CN214504561U

CN214504561U - Subway construction foundation pit guardrail anti-damage alarm

Info

Publication number: CN214504561U
Application number: CN202121020792.0U
Authority: CN
Inventors: 吴耀辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-10-26
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a rail guard alarm technical field just discloses a subway construction foundation ditch guardrail anti-damage alarm, which comprises an outer shell, the top of shell fixed mounting respectively has first siren and second siren, all be provided with the protection fence around first siren and the second siren, the welding of protection fence is on the top of shell, the top fixed mounting of protection fence has the roof. This subway construction foundation ditch guardrail anti-damage alarm, through setting up the lead wire, and fix the lead wire winding on the foundation ditch guardrail, receive the pressure of climbing or produce the shake when being destroyed at the foundation ditch guardrail, then the lead wire can be tightened because of the shake of foundation ditch guardrail, and then pull insulating support arm, make insulating support arm side fixed mounting's contact pilotage and the contact on the baffle, thereby for the power supply of first siren, make first siren send out the police dispatch newspaper, the purpose of no dead angle monitoring foundation ditch guardrail has been reached.

Description

Subway construction foundation pit guardrail anti-damage alarm

Technical Field

The utility model relates to a rail guard alarm technical field specifically is a subway construction foundation ditch guardrail anti-damage alarm.

Background

As subways start to be popularized in various cities gradually, the safety problem of foundation pit guardrails excavated during subway construction is more and more emphasized by related departments, and in the process of subway construction, due to the foundation pit guardrails, the safety of construction workers has a relatively safe construction environment, so that the existing foundation pit guardrails can isolate dangerous areas and can also play a role in warning pedestrians to remind the pedestrians of keeping away from the construction areas.

In view of the fact that some young people who have more curiosity or like adventure are interested in crossing the foundation pit guardrail at present, meanwhile, the hidden danger of subway constructors and pedestrians caused by the fact that some anti-social idle personnel climb over or damage the foundation pit guardrail is avoided, therefore, the foundation pit guardrail needs to be specially provided with some alarm devices for reducing the working intensity of patrolling personnel and the blank period of patrolling, most of the existing few foundation pit guardrail alarm devices use infrared equipment to monitor personnel crossing and approaching the foundation pit guardrail, the infrared device is easy to leave dead corners during monitoring, and cannot completely monitor the guardrail, so that the guardrail is easy to be crossed or a destructive person finds a leak during use, and because infrared ray equipment needs to expose just can use light to monitor, when it is found by destroying the guardrail personnel, easily damaged by the first, can't in time send out the police dispatch newspaper.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a subway construction foundation ditch guardrail anti-destruction alarm possesses the advantage that can not have the dead angle to monitor the foundation ditch guardrail and can in time send out the police dispatch newspaper when being destroyed, has solved current partial foundation ditch monitoring facilities and has had the problem that the monitoring dead angle is easy to be found leak and alarm device and can't send out the police dispatch newspaper when discovering and destroying.

The utility model provides a following technical scheme: the utility model provides a subway construction foundation ditch guardrail anti-destruction alarm, includes the shell, there are first siren and second siren on the top of shell fixed mounting respectively, all be provided with the protection fence around first siren and the second siren, the welding of protection fence is on the top of shell, the top fixed mounting on protection fence has the roof, the side fixed mounting of shell inner wall has the terminal box, the skin weld of terminal box has the pipe, the one end fixed mounting that the terminal box was kept away from to the pipe has the fixed block, the surface of pipe is rotated and is cup jointed insulating support arm, the bottom of insulating support arm is seted up flutedly, the inner wall of recess rotates and is connected with the adaptor, the one end fixed mounting of adaptor has the lead wire, the through-hole has been seted up to the side of shell, the lead wire passes through the inside of through-hole from the shell and outwards extends.

Preferably, the bottom welding of shell has the mounting bracket, the side welding of mounting bracket has the installed part, U-shaped branch has been cup jointed in the inner wall activity of installed part, the nut has been cup jointed to the surface screw thread of U-shaped branch, the fixed slot has been seted up on the surface of mounting bracket, the inner wall sliding connection of fixed slot has the regulation splint, the fixed cover of regulation splint is on the surface of U-shaped branch.

Preferably, the inner wall of shell is provided with the baffle, the side fixed mounting of baffle has the contact, and the contact passes through the wire to be connected with first siren, the side fixed mounting of insulating support arm has the contact pilotage, the position of contact pilotage corresponds with the position of contact, and the contact pilotage passes through the wire and is connected with the power.

Preferably, the surface of the lead is movably sleeved with a spring, and two ends of the spring are respectively lapped with the surface of the adapter and the inner wall of the shell.

Preferably, the inner wall of pipe rotates and is connected with the bull stick, the one end of bull stick runs through the fixed block and welds and has the regulation cap, the other end of bull stick runs through the terminal box and welds and has the screw rod, the surface screw thread of screw rod has cup jointed the wire clamp, the side of wire clamp and the inner wall sliding connection of terminal box.

Preferably, two ends of the lead are respectively connected with two ends of the standby power supply through a lead and a lead clamp, and the standby power supply connects the first alarm and the second alarm in the adjacent equipment in series through the lead.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this subway construction foundation ditch guardrail anti-damage alarm, through setting up the lead wire, and fix the lead wire winding on the foundation ditch guardrail, receive the pressure of climbing or produce the shake when being destroyed at the foundation ditch guardrail, then the lead wire can be tightened because of the shake of foundation ditch guardrail, and then pull insulating support arm, make insulating support arm side fixed mounting's contact pilotage and the contact on the baffle, thereby for the power supply of first siren, make first siren send out the police dispatch newspaper, the purpose of no dead angle monitoring foundation ditch guardrail has been reached.

2. This subway construction foundation ditch guardrail prevents destroying alarm establishes ties through utilizing stand-by power supply with the first siren and the second siren in two adjacent sirens, and rethread lead wire makes stand-by power supply short circuit, and when the personnel of destruction guardrail were cut as the power cord at the lead wire, stand-by power supply can end the short circuit state at once, makes two adjacent alarms send out the police dispatch newspaper, has solved the problem that alarm device found easily and destroyed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the junction box in a top view;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;

fig. 6 is a schematic diagram of the circuit connection structure of the present invention.

In the figure: 1. a housing; 2. a mounting frame; 3. a mounting member; 4. a U-shaped strut; 5. a nut; 6. adjusting the clamping plate; 7. fixing grooves; 8. a guard rail; 9. a top plate; 10. a through hole; 11. a lead wire; 12. a first alarm; 13. a second alarm; 14. a partition plate; 15. an insulating support arm; 16. a junction box; 17. a fixed block; 18. an adjusting cap; 19. a stylus; 20. a contact piece; 21. a groove; 22. an adapter; 23. a spring; 24. a circular tube; 25. a rotating rod; 26. a screw; 27. a wire clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a subway construction foundation pit guardrail damage-proof alarm comprises a shell 1, a mounting frame 2 is welded at the bottom of the shell 1, a mounting part 3 is welded on the side surface of the mounting frame 2, a U-shaped support rod 4 is movably sleeved on the inner wall of the mounting part 3, a nut 5 is sleeved on the surface of the U-shaped support rod 4 through threads, a fixing groove 7 is formed in the surface of the mounting frame 2, an adjusting clamp plate 6 is slidably connected to the inner wall of the fixing groove 7, the adjusting clamp plate 6 is fixedly sleeved on the surface of the U-shaped support rod 4, the alarm device can be installed on various foundation pit guardrails by arranging the mounting frame 2, the alarm device can be fixed only by tightening the U-shaped support rod 4 through the nut 5, so that the application range of the alarm device is improved, a first alarm 12 and a second alarm 13 are fixedly installed at the top end of the shell 1 respectively, and protection fences 8 are arranged around the first alarm 12 and the second alarm 13, the protection fence 8 is welded on the top end of the shell 1, the top end of the protection fence 8 is fixedly provided with a top plate 9, the side surface of the inner wall of the shell 1 is fixedly provided with a junction box 16, the surface of the junction box 16 is welded with a round pipe 24, the inner wall of the round pipe 24 is connected with a rotating rod 25 in a rotating mode, one end of the rotating rod 25 penetrates through a fixing block 17 and is welded with an adjusting cap 18, the other end of the rotating rod 25 penetrates through the junction box 16 and is welded with a screw 26, the surface thread of the screw 26 is sleeved with a wire clamp 27, the side surface of the wire clamp 27 is connected with the inner wall of the junction box 16 in a sliding mode, the screw 26 can be directly rotated by rotating the adjusting cap 18 through a tool, the screw 26 can drive the wire clamp 27 to move to fix and connect two wires when rotating, the wires inside the shell 1 are conveniently connected in series, the fixing block 17 is fixedly arranged at one end, far away from the junction box 16, the surface of the round pipe 24 is sleeved with an insulating support arm 15, the inner wall of the shell 1 is provided with a partition 14, the side surface of the partition 14 is fixedly provided with a contact 20, the contact 20 is connected with the first alarm 12 through a lead, the side surface of an insulating support arm 15 is fixedly provided with a contact pin 19, the position of the contact pin 19 corresponds to the position of the contact 20, the contact pin 19 is connected with a power supply through a lead, after the lead 11 is subjected to the pulling force generated when the foundation pit guardrail shakes, the insulating support arm 15 can be directly pulled to connect the contact pin 19 with the contact 20, so that the switch of the first alarm 12 is opened to supply power to the first alarm 12, the bottom end of the insulating support arm 15 is provided with a groove 21, the inner wall of the groove 21 is rotatably connected with an adapter 22, one end of the adapter 22 is fixedly provided with the lead 11, the surface of the lead 11 is movably sleeved with a spring 23, the two ends of the spring 23 are respectively lapped with the surface of the adapter 22 and the inner wall of the shell 1, and through the arrangement of the spring 23, when the foundation pit guardrail slightly shakes, spring 23 can alleviate pulling of lead wire 11 to a certain extent, effectively avoided the alarm to take place the condition that the mistake touched, through-hole 10 has been seted up to the side of shell 1, the both ends of lead wire 11 are connected with stand-by power supply's both ends through wire and wire clamp 27 respectively, and stand-by power supply passes through the wire and establishes ties first siren 12 and second siren 13 in the adjacent equipment, through setting up stand-by power supply, when lead wire 11 is cut by destruction foundation ditch guardrail personnel, the alarm that can directly trigger the alarm, inform rapidly that relevant personnel arrive at the scene, the protection dynamics of alarm has been improved, lead wire 11 outwards extends through the inside of through-hole 10 follow shell 1.

The working principle is that after the alarm is installed, when a person climbs or destroys a foundation pit guardrail, the foundation pit guardrail shakes, the lead 11 is tightened through shaking, the insulating support arm 15 is pulled by the lead 11, the contact pin 19 fixedly installed on the side face of the insulating support arm 15 is in lap joint with the contact plate 20, the first alarm 12 is connected with a main power supply in series, then the first alarm 12 is powered to give an alarm, when a person who destroys the foundation pit guardrail finds the lead 11 and cuts the lead, a standby power supply arranged between two adjacent alarm devices can end a short-circuit state due to breakage of the lead 11, the first alarm 12 and the second alarm 13 of the two adjacent alarms are directly powered through leads connected in series, and the first alarm 12 and the second alarm 13 of the two adjacent alarms respectively give an alarm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a subway construction foundation ditch guardrail anti-damage alarm, includes shell (1), its characterized in that: the top of shell (1) is fixed mounting respectively has first siren (12) and second siren (13), all be provided with protection fence (8) around first siren (12) and second siren (13), protection fence (8) welding is on the top of shell (1), the top fixed mounting of protection fence (8) has roof (9), the side fixed mounting of shell (1) inner wall has terminal box (16), the skin weld of terminal box (16) has pipe (24), the one end fixed mounting that terminal box (16) were kept away from to pipe (24) has fixed block (17), insulating support arm (15) have been cup jointed in the rotation of the surface of pipe (24), recess (21) is seted up to the bottom of insulating support arm (15), the inner wall of recess (21) rotates and is connected with adaptor (22), the one end fixed mounting of adaptor (22) has lead wire (11), a through hole (10) is formed in the side face of the shell (1), and the lead (11) extends outwards from the inside of the shell (1) through the through hole (10).

2. The subway construction foundation pit guardrail anti-damage alarm device as claimed in claim 1, wherein: the welding of the bottom of shell (1) has mounting bracket (2), the side welding of mounting bracket (2) has installed part (3), U-shaped branch (4) have been cup jointed in the inner wall activity of installed part (3), nut (5) have been cup jointed to the surface thread of U-shaped branch (4), fixed slot (7) have been seted up on the surface of mounting bracket (2), the inner wall sliding connection of fixed slot (7) has adjusting splint (6), adjusting splint (6) are fixed cup joints the surface at U-shaped branch (4).

3. The subway construction foundation pit guardrail anti-damage alarm device as claimed in claim 1, wherein: the inner wall of shell (1) is provided with baffle (14), the side fixed mounting of baffle (14) has contact (20), and contact (20) are connected with first siren (12) through the wire, the side fixed mounting of insulating support arm (15) has contact pilotage (19), the position of contact pilotage (19) corresponds with the position of contact (20), and contact pilotage (19) are connected with the power through the wire.

4. The subway construction foundation pit guardrail anti-damage alarm device as claimed in claim 1, wherein: the surface activity of lead wire (11) has cup jointed spring (23), the both ends of spring (23) overlap joint with the surface of adaptor (22) and the inner wall of shell (1) respectively.

5. The subway construction foundation pit guardrail anti-damage alarm device as claimed in claim 1, wherein: the inner wall of pipe (24) rotates and is connected with bull stick (25), the one end of bull stick (25) is run through fixed block (17) and is welded and have regulation cap (18), the other end of bull stick (25) is run through terminal box (16) and is welded screw rod (26), the surface screw thread of screw rod (26) has cup jointed the wire and has pressed from both sides (27), the side of wire clamp (27) and the inner wall sliding connection of terminal box (16).

6. The subway construction foundation pit guardrail anti-damage alarm device as claimed in claim 1, wherein: two ends of the lead (11) are respectively connected with two ends of a standby power supply through a lead and a lead clamp (27), and the standby power supply connects the first alarm (12) and the second alarm (13) in adjacent equipment in series through the lead.