CN215954450U

CN215954450U - Smoke alarm device special for railway locomotive

Info

Publication number: CN215954450U
Application number: CN202121597644.5U
Authority: CN
Inventors: 金轶嵩; 周晓明; 葛成荣
Original assignee: CHANGZHOU KEXING RAILWAY EQUIPMENT CO LTD
Current assignee: CHANGZHOU KEXING RAILWAY EQUIPMENT CO LTD
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-04
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a special smoke alarm device for a railway locomotive, which comprises a power line, a smoke alarm and a positioning mechanism, wherein the positioning mechanism is arranged at the outer side of the smoke alarm, and enters the inner side of a clamping groove formed at the outer side of the smoke alarm through a trapezoidal clamping block for fixing, so that the smoke alarm is fixed, the smoke alarm can be protected through a shell in the using process, meanwhile, the shell and the smoke alarm can be protected by buffering through a buffering plate and a spring, the impact force of external articles on the smoke alarm is reduced, the service life of the smoke alarm is prolonged, the smoke alarm is convenient to mount quickly, the working efficiency is improved, and the smoke alarm is protected to prolong the service life.

Description

Smoke alarm device special for railway locomotive

Technical Field

The utility model particularly relates to a special smoke alarm device for a railway locomotive, and relates to the field related to smoke alarm devices.

Background

Locomotive fire is one of the biggest potential safety hazards of railway departments, and according to statistics, the direct loss of locomotive fire is hundreds of millions every year, so that casualties are caused, the casualties are rare, the locomotive fire threatens the railway driving safety, the railway transportation reputation is seriously damaged, and in order to prevent the fire, a smoke alarm device is generally installed on a locomotive.

When the smoke alarm device is damaged in the using process, the existing smoke alarm device is fixed by screws, so that the mounting efficiency is low, the smoke alarm device is poor in protection, and the smoke alarm device is easily damaged by external acting force, and the service life of the smoke alarm device is influenced.

SUMMERY OF THE UTILITY MODEL

Accordingly, to address the above-mentioned deficiencies, the present invention provides a smoke alarm device for railroad locomotives.

The utility model is realized in such a way, a special smoke alarm device for a railway locomotive is constructed, the device comprises a power line and a smoke alarm, the power line is connected with the power input end of the smoke alarm, a positioning mechanism is arranged at the outer side of the smoke alarm, the positioning mechanism comprises a shell, a buffer plate, a spring, a groove, a protective frame, an L-shaped plate, a circular plate, a placing groove, a transmission mechanism, a trapezoidal fixture block and a pore plate, the inner side of the shell is attached to the outer side end face of the smoke alarm, the buffer plate is connected with the inner side of the groove through the spring, the groove is arranged at the middle lower part of the outer side of the shell, the protective frame is arranged at the top of the outer side of the shell, the inner side of the protective frame covers the right end of the outer side of the L-shaped plate, the L-shaped plate is rotatably arranged at the right end of the front part of the inner side of the placing groove, the left side of the rear end of the L-shaped plate is connected with the middle part of the front end face of the circular plate, and the circular plate is connected with the trapezoidal fixture block through the transmission mechanism, the placing groove is formed in the middle upper portion of the outer side of the shell, the trapezoidal clamping block penetrates through the top of the left end of the inner side of the placing groove, the trapezoidal clamping block movably extends into the inner side of a clamping groove formed in the side surface of the smoke alarm, and the pore plate is fixedly locked at the bottom of the inner side of the shell.

Preferably, drive mechanism includes driving plate, connection shell, carriage and reset spring, the terminal surface left and right sides rotates with connection shell rear end face right-hand member and plectane rear end face border department respectively before the driving plate and is connected, connection shell slidable mounting is inboard in the carriage, and connects the inboard laminating of shell in trapezoidal fixture block outside end face, the inboard left end face top in standing groove is locked to the carriage, the spring both ends are connected respectively in connection shell inboard right-hand member face and trapezoidal fixture block right-hand member face.

Preferably, the shell is of a T-shaped structure, and four ends of the top end face of the shell are provided with through holes.

Preferably, the buffer plate, the spring and the groove are all provided with four ends outside the shell, and the end face of the outer side of the buffer plate protrudes out of the outer surface of the shell.

Preferably, the protection frame is of an L-shaped structure, and the width of the inner side of the protection frame corresponds to the rotating width of the L-shaped plate.

Preferably, the fender bracket, the L-shaped plate, the circular plate, the placing groove, the transmission mechanism and the trapezoidal fixture block are symmetrically provided with two ends which are arranged at the left end and the right end of the inner side of the shell.

Preferably, a round hole is formed in the middle of the top end face of the shell, and the position of the round hole corresponds to the power line.

Preferably, the two springs are arranged on the inner side of the groove, and the two springs are respectively arranged at the upper end and the lower end of the inner side of the groove.

The utility model has the following advantages: the utility model provides a smoke alarm device special for a railway locomotive through improvement, which has the following improvement compared with the same type of equipment:

the method has the advantages that: according to the special smoke alarm device for the railway locomotive, the positioning mechanism is arranged on the outer side of the smoke alarm, the trapezoidal clamping block enters the inner side of the clamping groove formed in the outer side of the smoke alarm under the elastic force of the reset spring to be fixed, so that the smoke alarm is fixed, the smoke alarm can be protected by the shell in the using process, meanwhile, the buffer plate is matched with the spring to provide buffer protection for the shell and the smoke alarm, the impact force of external articles on the smoke alarm is reduced, the service life of the smoke alarm is prolonged, the smoke alarm is convenient to mount quickly, the working efficiency is improved, and the smoke alarm is protected to prolong the service life.

The method has the advantages that: according to the special smoke alarm device for the railway locomotive, the round hole is formed in the middle of the top end face of the shell, the position of the round hole corresponds to that of the power line, and the power line can be conveniently connected to the smoke alarm after penetrating through the round hole.

Drawings

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

FIG. 2 is a schematic view of the positioning mechanism of the present invention in elevation, in cross-section;

FIG. 3 is a schematic view of the L-shaped plate connection structure of the present invention;

FIG. 4 is a schematic view of the housing construction of the present invention;

fig. 5 is an enlarged view of the structure at a in fig. 2 according to the present invention.

Wherein: the device comprises a power line-1, a smoke alarm-2, a positioning mechanism-3, a shell-31, a buffer plate-32, a spring-33, a groove-34, a protective frame-35, an L-shaped plate-36, a circular plate-37, a placing groove-38, a transmission mechanism-39, a trapezoidal fixture block-310, an orifice plate-311, a transmission plate-391, a connecting shell-392, a sliding frame-393 and a return spring-394.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the utility model provides a smoke alarm device for a railway locomotive, which comprises a power line 1 and a smoke alarm 2, wherein the power line 1 is connected with a power input end of the smoke alarm 2.

Referring to fig. 2 to 4, the present invention provides a smoke alarm device for a railway locomotive, by improvement, a positioning mechanism 3 is disposed at an outer side of a smoke alarm 2, the positioning mechanism 3 includes a housing 31, a buffer plate 32, a spring 33, a groove 34, a protection frame 35, an L-shaped plate 36, a circular plate 37, a placement groove 38, a transmission mechanism 39, a trapezoidal fixture block 310 and a hole plate 311, an inner side of the housing 31 is attached to an outer end face of the smoke alarm 2, the housing 31 is of a T-shaped structure, four ends of a top end face of the housing 31 are provided with through holes for fixedly mounting the housing 31 through the through holes, a circular hole is formed in a middle portion of the top end face of the housing 31, the circular hole has a position corresponding to a power line 1, an edge power line 1 is connected to the smoke alarm 2 after passing through the circular hole, the buffer plate 32 is connected to the inner side of the groove 34 through the spring 33, the buffer plate 32, the spring 33 and the groove 34 are provided with four ends at the outer side of the housing 31, the outer end face of the buffer plate 32 protrudes out of the outer surface of the shell 31, so that four outer ends of the shell 31 can be protected conveniently, the two springs 33 are arranged inside the groove 34, the two springs 33 are respectively arranged at the upper end and the lower end of the inner side of the groove 34, the buffer capacity of the buffer plate 32 is improved, the groove 34 is arranged at the middle lower part of the outer side of the shell 31, the protection frame 35 is arranged at the top of the outer side of the shell 31, the inner side of the protection frame 35 covers the right end of the outer side of the L-shaped plate 36, the protection frame 35 is of an L-shaped structure, the width of the inner side of the protection frame 35 corresponds to the rotating width of the L-shaped plate 36, so that the protection frame 35 can provide covering protection for the L-shaped plate 36, the L-shaped plate 36 is rotatably arranged at the right end of the front part of the inner side of the placement groove 38, the left end of the L-shaped plate 36 is connected with the middle part of the front end face of the circular plate 37, the circular plate 37 is connected with the trapezoidal fixture block 310 through a transmission mechanism 39, and the placement groove 38 is arranged at the middle upper part of the outer side of the shell 31, trapezoidal fixture block 310 runs through in the inboard left end top of standing groove 38, and trapezoidal fixture block 310 activity stretches into the draw-in groove inboard that the side surface was seted up in smoke alarm 2, and fender bracket 35, L template 36, plectane 37, standing groove 38, drive mechanism 39 and trapezoidal fixture block 310 all symmetry are provided with two in both ends about shell 31 inboard for smoke alarm 2 installs more stably, and orifice plate 311 lock is fixed in shell 31 inboard bottom.

Referring to fig. 5, the present invention provides a smoke alarm device for a railway locomotive by improvement, wherein the transmission mechanism 39 includes a transmission plate 391, a connecting shell 392, a sliding frame 393 and a return spring 394, the left and right sides of the front end surface of the transmission plate 391 are rotatably connected to the right end of the rear end surface of the connecting shell 392 and the edge of the rear end surface of the circular plate 37 respectively, the connecting shell 392 is slidably mounted inside the sliding frame 393, the inner side of the connecting shell 392 is attached to the outer end surface of the trapezoidal fixture block 310, the sliding frame 393 is locked on the top of the left end surface of the inner side of the placing groove 38, and the two ends of the spring 394 are connected to the right end surface of the inner side of the connecting shell 392 and the right end surface of the trapezoidal fixture block 310 respectively.

The utility model provides a special smoke alarm device for a railway locomotive by improvement, and the working principle is as follows;

firstly, fixedly mounting a shell 31 on a designated position on a locomotive, then placing a power line 1 driven by a smoke alarm 2 on the inner side of the shell 31, and enabling the power line 1 to penetrate through the inner side of a circular hole preset in the top of the inner side of the shell 31;

secondly, the smoke alarm 2 is pushed upwards, when the smoke alarm 2 contacts the trapezoidal fixture block 310 in the upward moving process, the smoke alarm 2 pushes the trapezoidal fixture block 310 to move outwards, the reset spring 394 is compressed by the pushing force of the trapezoidal fixture block 310, when the smoke alarm 2 completely enters the inner side of the shell 31, the trapezoidal fixture block 310 enters the inner side of a preset clamping groove in the outer surface of the smoke alarm 2 to be fixed by the elastic force of the reset spring 394, and at this time, the primary fixing of the smoke alarm 2 is completed;

third, then place orifice plate 311 in shell 31 inboard, stop the rebound orifice plate when orifice plate 311 top end face is contacting 2 bottom end face of smoke alarm, and the bolt that uses corresponding model carries out fixed connection with orifice plate 311 and shell 31, orifice plate 311 can provide the auxiliary stay power to smoke alarm 2 this moment, thereby realize carrying out the auxiliary fixation to smoke alarm 2, accessible shell 31 protects in smoke alarm 2 use, accessible buffer board 32 cooperates spring 33 to provide the buffer protection to shell and smoke alarm 2 simultaneously, reduce the impact force of outside article to smoke alarm 2, the life of smoke alarm 2 has been increased.

The utility model provides a special smoke alarm device for a railway locomotive by improvement, the smoke alarm device enters the inner side of a clamping groove arranged at the outer side of a smoke alarm 2 to be fixed by the trapezoidal clamping block 310 under the elastic force of a return spring 394, thereby realizing the fixation of the position of the smoke alarm 2, the smoke alarm 2 can be protected by the shell 31 during the use process, meanwhile, the buffer plate 32 is matched with the spring 33 to provide buffer protection for the shell and the smoke alarm 2, the impact force of external articles on the smoke alarm 2 is reduced, the service life of the smoke alarm 2 is prolonged, the smoke alarm 2 is convenient to mount quickly, the working efficiency is improved, meanwhile, the smoke alarm 2 is protected to improve the service life, by arranging the round hole at the middle part of the top end surface of the shell 31, and the position size of the round hole is corresponding to the power cord 1, so that the power cord 1 can be conveniently connected to the smoke alarm 2 after passing through the round hole.

Claims

1. A special smoke alarm device for a railway locomotive comprises a power line (1) and a smoke alarm (2), wherein the power line (1) is connected with the power input end of the smoke alarm (2); the method is characterized in that: the smoke alarm device is characterized by further comprising a positioning mechanism (3), the positioning mechanism (3) is arranged on the outer side of the smoke alarm device (2), the positioning mechanism (3) comprises a shell (31), a buffer plate (32), a spring (33), a groove (34), a protection frame (35), an L-shaped plate (36), a circular plate (37), a placing groove (38), a transmission mechanism (39), a trapezoidal clamping block (310) and a hole plate (311), the inner side of the shell (31) is attached to the outer end face of the smoke alarm device (2), the buffer plate (32) is connected to the inner side of the groove (34) through the spring (33), the groove (34) is arranged at the middle lower part of the outer side of the shell (31), the protection frame (35) is arranged at the top of the outer side of the shell (31), the inner side of the protection frame (35) covers the right end of the outer side of the L-shaped plate (36), the L-shaped plate (36) is rotatably arranged at the right end of the inner side of the placing groove (38), and L template (36) rear end left side is connected in plectane (37) preceding terminal surface middle part, plectane (37) are connected in trapezoidal fixture block (310) through drive mechanism (39), upper portion in shell (31) outside is seted up in standing groove (38), trapezoidal fixture block (310) run through in standing groove (38) inboard left end top, and trapezoidal fixture block (310) activity stretches into in the draw-in groove inboard that smoke alarm (2) side surface was seted up, orifice plate (311) lock is fixed in shell (31) inboard bottom.

2. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: drive mechanism (39) include driving plate (391), connect shell (392), carriage (393) and reset spring (394), the terminal surface left and right sides before driving plate (391) respectively with connect shell (392) rear end face right-hand member and plectane (37) rear end face border department rotate to be connected, connect shell (392) slidable mounting in carriage (393) inboard, and connect shell (392) inboard laminating in trapezoidal fixture block (310) outside end face, carriage (393) closure is in standing groove (38) inboard left end face top, spring (394) both ends are connected respectively in connecting shell (392) inboard right-hand member face and trapezoidal fixture block (310) right-hand member face.

3. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the shell (31) is of a T-shaped structure, and through holes are formed in four ends of the top end face of the shell (31).

4. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the buffer plates (32), the springs (33) and the grooves (34) are all provided with four ends outside the shell (31), and the end faces outside the buffer plates (32) protrude out of the outer surface of the shell (31).

5. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the protection frame (35) is of an L-shaped structure, and the width of the inner side of the protection frame (35) corresponds to the rotating width of the L-shaped plate (36).

6. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the protective frame (35), the L-shaped plate (36), the circular plate (37), the placing groove (38), the transmission mechanism (39) and the trapezoidal fixture block (310) are symmetrically arranged at the left end and the right end of the inner side of the shell (31).

7. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the middle part of the top end face of the shell (31) is provided with a round hole, and the position of the round hole corresponds to the power line (1).

8. A smoke alarm unit for a railway locomotive as claimed in claim 1, wherein: the two springs (33) are arranged on the inner side of the groove (34), and the two springs (33) are respectively arranged at the upper end and the lower end of the inner side of the groove (34).