CN218716969U

CN218716969U - Automatic opening device suitable for tunnel escape system

Info

Publication number: CN218716969U
Application number: CN202222646389.XU
Authority: CN
Inventors: 张霆; 刘洪涛; 潘红兵; 刘效东; 戴王伟; 孙伟; 李刚
Original assignee: Nanjing Traffic Operation Management Group Co ltd
Current assignee: Nanjing Traffic Operation Management Group Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-24
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses an automatic opening device suitable for tunnel escape system, including square pipe, emergency ladder and end cover, square nose end slidable mounting has the end cover, square pipe internally mounted has the emergency ladder, driving motor is installed to square pipe one end, install the gear on the driving motor output shaft, the rack is installed to the end cover bottom, rack one end meshes with gear annular side mutually, driving motor output shaft top fixed mounting has the cam, and the cam is located the end cover upside. The utility model discloses not only can be convenient for the end cover through the design of square and stopper and remove before, the cam carries out 90 rotations, can drive the end cover through gear revolve moreover and remove, and then make square pipe open, can also cross the kelly and pass the slider joint inside the guide arm, and then the position of fixed end cover.

Description

Automatic opening device suitable for tunnel escape system

Technical Field

The utility model relates to a tunnel escape system technical field especially relates to an automatic opening device suitable for tunnel escape system.

Background

Along with the rapid development of railway and highway, the scale and the degree of difficulty of tunnel construction are also bigger and bigger, and the tunnel accident of collapsing also takes place constantly, for this reason, must set up the passageway of fleing during tunnel construction, install the emergency ladder in the square pipe of fleing, and then the constructor of being convenient for flees, installs the end cover on square pipe top, and then when avoiding the tunnel to collapse, the stone falls to square intraduct and causes the pipeline of fleing to block up.

Generally when using escape way, because lack the automatic function of opening of end cover, need the user of service manually to pull open the end cover, when the tunnel collapses, the inside rubble in tunnel can fall on the end cover top for the end cover pulling degree of difficulty grow, can not in time open the end cover and flee, and then reduced escape device's practicality, consequently, propose one kind and be applicable to tunnel automatic opening device of system of fleing and seem very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic opening device suitable for a tunnel escape system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic opening device suitable for tunnel escape system, includes square pipe, emergency ladder and end cover, square pipe top slidable mounting has the end cover, square intraductal internally mounted has the emergency ladder, driving motor is installed to square pipe one end, install the gear on the driving motor output shaft, the rack is installed to the end cover bottom, rack one end meshes with gear annular side mutually, driving motor output shaft top fixed mounting has the cam, and the cam is located the end cover upside, two push rods of end cover top symmetry slidable mounting, end cover both ends symmetry slidable mounting has the movable plate, push rod one end fixed mounting is on the movable plate, there is the movable plate to be close to square pipe one end fixed mounting and has the kelly.

Further, a strip-shaped groove is formed in the middle position of the bottom end of the end cover, and a rack is fixedly mounted inside the strip-shaped groove.

Further, the two ends of the square pipe are symmetrically and fixedly provided with rectangular frames, guide rods are fixedly arranged inside the rectangular frames, sliders are arranged on annular side faces of the guide rods, the top ends of the sliders are fixedly arranged at the bottom ends of the end covers, and one ends of the clamping rods penetrate through the rectangular frames and the sliders and extend to the insides of the guide rods.

Furthermore, a limiting hole is formed in the annular side face of the guide rod, a circular through hole is formed in one end of the sliding block, and the circular through hole and the limiting hole are aligned and are connected with a clamping rod in an inserted mode.

Furthermore, a sliding groove is formed in one end of the rectangular frame, and the clamping rod is slidably mounted inside the sliding groove.

Further, information receiver and switch are installed to square pipe one end, switch and information receiver and driving motor electric connection.

Further, logical groove has been seted up on the push rod top, end cover top fixed mounting has T type fixture block, and T type fixture block slidable mounting leads to inslot portion, T type fixture block one end fixed mounting has the spring, and spring other end fixed mounting leads to inslot portion, the push rod is close to cam one end and installs the ball.

Furthermore, four square blocks are uniformly and fixedly installed on the annular side face of the output shaft of the driving motor, a groove is formed in the gear, and four limiting blocks are uniformly and fixedly installed in the groove.

The beneficial effects of the utility model are that:

1. before the design through square and stopper was convenient for the end cover to remove, the cam carried out 90 rotations, square anticlockwise rotation and the stopper separation of original contact, when the square rotated 90 with another stopper laminating, driving motor rotated and drives the gear and rotate, at square rotation 90 in-process, driving motor drove the cam simultaneously and rotated 90, the cam rotates and extrudees the push rod, the push rod removes and drives the movable plate and removes, the movable plate removes and drives the kelly and remove and break away from guide arm and slider are inside.

2. The end cover is driven to move through gear rotation, so that the square pipe is opened, the driving motor continues to rotate to drive the gear to rotate, the gear rotates to drive the rack to move, the end cover is driven to move, the sliding block is driven to move along the guide rod in the end cover moving process, and the clamping rod is driven to move through the push rod and the moving plate in the end cover moving process, so that the clamping rod is staggered with the limiting hole in the guide rod.

3. Pass the slider joint inside the guide arm through the kelly, and then the position of fixed end cover, driving motor reverse rotation makes the square clockwise rotation separate with the stopper of contact, laminate with other stopper, drive gear reverse rotation then, realize the function of closed end cover, because the end cover is opened and is the same with closed in-process displacement, so the cam rotates to original position when the end cover closes, under the effect of spring force, the push rod passes inside the slider inserts the guide arm through the movable plate drive kelly, and then the position of fixed end cover.

Drawings

Fig. 1 is a schematic perspective view of an automatic opening device for a tunnel escape system according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of an automatic opening device for a tunnel escape system according to the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a position a of the automatic opening device for a tunnel escape system according to the present invention;

fig. 4 is a schematic view of the moving plate assembly structure of the automatic opening device for a tunnel escape system according to the present invention;

fig. 5 is a schematic view of a partial enlarged structure at a position B suitable for the automatic opening device of the tunnel escape system provided by the utility model;

fig. 6 is a schematic view of the gear assembly structure of the automatic opening device for tunnel escape system of the present invention.

In the figure: 1. a square tube; 2. an escape ladder; 3. an end cap; 4. a drive motor; 5. a gear; 6. a rack; 7. a cam; 8. a push rod; 9. moving the plate; 10. a clamping rod; 11. a rectangular frame; 12. a guide bar; 13. a slider; 14. a T-shaped fixture block; 15. a spring; 16. a ball bearing; 17. a through groove; 18. a square block; 19. a limiting block; 20. an information receiver; 21. and (4) switching.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-6, an automatic opening device suitable for a tunnel escape system comprises a square tube 1, an escape ladder 2 and an end cover 3, wherein the end cover 3 is slidably mounted at the top end of the square tube 1, the end cover 3 is designed to facilitate sealing protection of the square tube 1, the escape ladder 2 is mounted inside the square tube 1, a user can escape from the square tube 1 conveniently by designing the escape ladder 2, a driving motor 4 is mounted at one end of the square tube 1 through a hoop, a gear 5 is mounted on an output shaft of the driving motor 4, the driving motor 4 can drive the gear 5 to rotate conveniently by the design, a rack 6 is mounted at the bottom end of the end cover 3, one end of the rack 6 is meshed with the annular side surface of the gear 5, the gear 5 rotates to drive the rack 6 to move, and then the end cover 3 is pulled to move and is opened, the top end of an output shaft of the driving motor 4 is connected with the cam 7 through a key, the cam 7 is located on the upper side of the end cover 3, two push rods 8 are symmetrically and slidably mounted on the top end of the end cover 3, the two push rods 8 are close to one end and are respectively attached to the cam 7, and then the cam 7 is convenient to rotate to push the push rods 8 to move, the movable plates 9 are symmetrically and slidably mounted at the two ends of the end cover 3, one ends of the push rods 8 are fixedly mounted on the movable plates 9, the push rods 8 move to drive the movable plates 9 to move, and the movable plates 9 are fixedly mounted with clamping rods 10 close to one ends of the square tubes 1.

The utility model discloses in, it is required to explain, 3 bottom intermediate position processing of end cover have the bar groove, bar inslot portion screw mounting has rack 6, this design is convenient for rack 6's installation, 1 both ends symmetric welding of square pipe has rectangle frame 11, rectangle frame 11 internal weld has guide arm 12, install slider 13 on the 12 annular sides of guide arm, and slider 13 top fixed mounting is in 3 bottoms of end cover, the slidable mounting of end cover 3 is convenient for in the design of guide arm 12 and slider 13, rectangular frame 11 and slider 13 are passed to kelly 10 one end and extend to inside the guide arm 12, the design of kelly 10 is convenient for fix slider 13 joint on guide arm 12, and then play the purpose of fixed end cover 3 positions, the spacing hole has been seted up on the 12 annular sides of guide arm, circular through-hole has been seted up to slider 13 one end, circular through-hole and spacing hole align and have plug-connected kelly 10, the design of spacing hole and circular through-hole is convenient for kelly 10 to carry out the joint fixed to slider 13, the sliding tray has been seted up to rectangle frame 11 one end, the sliding tray, kelly 10 slidable mounting has been seted up inside the sliding tray, the sliding tray is convenient for kelly 10 to move along with 3 along with the design of sliding tray.

Particularly, an information receiver 20 and a switch 21 are installed at one end of a square tube 1, the switch 21 is electrically connected with the information receiver 20 and a driving motor 4, the information receiver 20 is designed to be convenient for remotely controlling the end cover 3 to be opened, the switch 21 is designed to be convenient for controlling the driving motor 4 to work, a through groove 17 is processed at the top end of a push rod 8, a T-shaped fixture block 14 is welded at the top end of the end cover 3, the T-shaped fixture block 14 is slidably installed inside the through groove 17, the T-shaped fixture block 14 and the through groove 17 are designed to be convenient for slidably installing the push rod 8, a spring 15 is welded at one end of the T-shaped fixture block 14, the other end of the spring 15 is welded inside the through groove 17, the spring 15 is designed to be convenient for moving and resetting of the push rod 8, and further to be convenient for moving and resetting of a clamping rod 10, a ball 16 is installed at one end of the push rod 8 close to a cam 7, four blocks 18 are uniformly welded on the annular side surface of an output shaft of the driving motor 4, a groove is formed inside the gear 5, four limit blocks 19 are uniformly welded inside the groove, the groove is formed by facilitating relative rotation between the output shaft of the driving motor 4 and the gear 5, and further facilitating the non-moving of the end cover 3 and further facilitating the rotation of the cam 7, and further pushing out the sliding block 13 from the inside of the cam 10.

The working principle is as follows: when the end cover 3 needs to be opened, the driving motor 4 is controlled to work through a remote starting signal or a manual opening switch 21, the driving motor 4 works to drive the square block 18 to rotate anticlockwise, the square block 18 rotates anticlockwise to be separated from the limiting block 19 which is originally contacted, when the square block 18 rotates 90 degrees to be attached to another limiting block 19, the driving motor 4 rotates to drive the gear 5 to rotate, in the process that the square block 18 rotates 90 degrees, the driving motor 4 simultaneously drives the cam 7 to rotate 90 degrees, the cam 7 rotates to extrude the push rod 8, the push rod 8 is extruded to move along the T-shaped clamping block 14 and stretches the spring 15, the push rod 8 moves to drive the moving plate 9 to move, the moving plate 9 moves to drive the clamping rod 10 to move to be separated from the inner parts of the guide rod 12 and the sliding block 13, the sliding block 13 further moves along the guide rod 12, the driving motor 4 continues to rotate to drive the gear 5 to rotate, and the gear 5 rotates to drive the rack 6 to move, and then drive the end cap 3 to move, drive the slide block 13 to move along the guide rod 12 in the course of moving the end cap 3, drive the clamping rod 10 to move through push rod 8 and shifting plate 9 in the course of moving the end cap 3, make the clamping rod 10 stagger with spacing hole on the guide rod 12, drive the cam 7 to rotate continuously in the course of working of the driving motor 4, and then under the influence of elasticity of the spring 15, when the cam 7 rotates and separates from push rod 8, the push rod 8 moves in the opposite direction, and then drive the clamping rod 10 to move and come into contact with the annular side of the guide rod 12, the end cap 3 continues to move and drive the clamping rod 10 to slide along the annular side of the guide rod 12, and then will not be to the position of the fixed end cap 3, and then facilitate the opening of the end cap 3, realize the function of the convenient use escape ladder 2, when needing to close the end cap 3, control the driving motor 4 to rotate in the opposite direction through the switch 21, the driving motor 4 rotates in the opposite direction to make the square 18 rotate clockwise and separate from the stopper 19 that contacts, with the laminating of other stopper 19, drive gear 5 antiport then, realize the function of closed end cover 3, because end cover 3 opens and the same with closed in-process migration distance, so cam 7 rotates to the original position when end cover 3 is closed, and under the effect of spring 15 elasticity, push rod 8 passes through movable plate 9 and drives kelly 10 and pass inside slider 13 inserts guide arm 12, and then the position of fixed end cover 3.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components.

Claims

1. The utility model provides an automatic opening device suitable for tunnel escape system, includes square pipe (1), emergency ladder (2) and end cover (3), square pipe (1) top slidable mounting has end cover (3), square pipe (1) internally mounted has emergency ladder (2), its characterized in that, driving motor (4) are installed to square pipe (1) one end, install gear (5) on driving motor (4) the output shaft, rack (6) are installed to end cover (3) bottom, rack (6) one end meshes with gear (5) annular side mutually, driving motor (4) output shaft top end fixed mounting has cam (7), and cam (7) are located end cover (3) upside, two push rod (8) of end cover (3) top symmetry slidable mounting, end cover (3) both ends symmetry slidable mounting has movable plate (9), push rod (8) one end fixed mounting is on movable plate (9), there is movable plate (9) to be close to square pipe (1) one end fixed mounting and has kelly (10).

2. The automatic opening device suitable for the tunnel escape system according to claim 1, wherein a strip-shaped groove is formed in the middle of the bottom end of the end cover (3), and a rack (6) is fixedly installed inside the strip-shaped groove.

3. The automatic opening device for the tunnel escape system according to claim 1, wherein rectangular frames (11) are symmetrically and fixedly installed at two ends of the square tube (1), guide rods (12) are fixedly installed inside the rectangular frames (11), sliders (13) are installed on annular side surfaces of the guide rods (12), top ends of the sliders (13) are fixedly installed at the bottom ends of the end covers (3), and one end of the clamping rod (10) penetrates through the rectangular frames (11) and the sliders (13) and extends into the guide rods (12).

4. The automatic opening device for the tunnel escape system according to claim 3, wherein the guide rod (12) is provided with a limiting hole on the annular side surface, one end of the sliding block (13) is provided with a circular through hole, and the circular through hole and the limiting hole are aligned and inserted with the clamping rod (10).

5. The automatic opening device for the tunnel escape system according to claim 3, wherein one end of the rectangular frame (11) is provided with a sliding groove, and the clamping rod (10) is slidably installed inside the sliding groove.

6. The automatic opening device for the tunnel escape system according to claim 1, wherein an information receiver (20) and a switch (21) are installed at one end of the square tube (1), and the switch (21) is electrically connected with the information receiver (20) and the driving motor (4).

7. The automatic opening device suitable for the tunnel escape system according to claim 1, wherein a through groove (17) is formed at the top end of the push rod (8), a T-shaped fixture block (14) is fixedly installed at the top end of the end cover (3), the T-shaped fixture block (14) is slidably installed inside the through groove (17), a spring (15) is fixedly installed at one end of the T-shaped fixture block (14), the other end of the spring (15) is fixedly installed inside the through groove (17), and a ball (16) is installed at one end of the push rod (8) close to the cam (7).

8. The automatic opening device for the tunnel escape system according to claim 1, wherein four blocks (18) are uniformly and fixedly mounted on the annular side surface of the output shaft of the driving motor (4), a groove is formed in the gear (5), and four limit blocks (19) are uniformly and fixedly mounted in the groove.