CN218236717U

CN218236717U - Railway power supply overload protection device

Info

Publication number: CN218236717U
Application number: CN202221937072.5U
Authority: CN
Inventors: 郑章杰; 刘振; 李栋; 李建兴; 郑红桃; 廉世龙
Original assignee: Beijing Saiweida Technology Co ltd
Current assignee: Beijing Saiweida Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-06
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to a railway power supply overload protection device, the device comprises a device body, the base has been placed to the lower surface of device body, and the right side of device body is equipped with installation mechanism, the left and right sides of device body all is fixed with the reinforcement piece, the lower surface of device body is equipped with fixed establishment. This railway power supply overload protection device, installation mechanism has been set up in this power supply overload protection device, through the mutually supporting between each structure in the installation mechanism, the dismouting of staff to this overload protection device has been made things convenient for, when needs maintain the maintenance to the inside electrical components of overload protection device, the degree of difficulty when having reduced the staff and dismantling, staff's work efficiency has been improved, facilitate for subsequent maintenance, the fixed establishment of deuterogamying, the stability of this power supply overload protection device in the railway transportation has been improved, and then this overload protection device's normal operating has been guaranteed.

Description

Railway power supply overload protection device

Technical Field

The utility model relates to a railway power supply overload protection technical field specifically is a railway power supply overload protection device.

Background

The overload protection of the power supply is overload protection equipment which is additionally arranged for preventing a protector from being damaged due to overheating caused by overload of a main power supply line, the overload is a relatively wide word and can refer to the condition that electric equipment is overloaded and also refers to the condition that an acting force borne by an object is overlarge, and the overload protection is generally called overload protection.

Chinese patent CN 208489646U discloses an overload protection device for LED power supply, including protector shell, fixed bolster, controlling means, protection device and monitoring device, the inside upper surface of protector shell is provided with controlling means, protector shell downside is provided with the fixed bolster, the inside lower surface of protector shell is provided with protection device, protection device one side is provided with monitoring device, controlling means includes control box, chip board, control chip, wireless communication chip, switch, speaker, audio control chip, display screen and display driver chip, protection device includes semiconductor chip, absorption capacitor, heat-conducting plate, monitoring device includes current monitoring chip, temperature sensor, temperature signal conversion chip, beneficial effects lie in, the utility model discloses can realize carrying out the overload protection of LED power supply fully-automatically to can carry out the remote signal transmission and send the sound and remind managers, the overload protection device in the utility model discloses in the device still has the inconvenient problem of dismouting in the use, because the inside of overload protection device is electrical component, need maintain it after using mostly, because this utility model discloses protector is the integrated structure, has carried out the maintenance work load for its long-time, has reduced the long-time maintenance work load greatly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a railway power supply overload protection device possesses the advantage of making things convenient for the dismouting, has solved the inconvenient problem of maintaining overload protection device.

In order to achieve the above object, the utility model provides a following technical scheme: a railway power supply overload protection device comprises a device body, wherein a base is placed on the lower surface of the device body, an installation mechanism is arranged on the right side of the device body, reinforcing blocks are fixed on the left side and the right side of the device body, and a fixing mechanism is arranged on the lower surface of the device body;

the installation mechanism is including overhauing subassembly and grafting subassembly, overhaul the subassembly including seting up at the access hole on device body right side, the right flank activity laminating of device body has the closing plate, the left side of closing plate is fixed with the fixture block that is located the access hole inside, the right side of closing plate is fixed with the handle.

Furthermore, the plug-in assembly comprises two springs fixed on the upper surface of the device body, a movable plate is fixed on one side of each spring, which is far away from the device body, a bolt rod is fixed on the lower surface of the movable plate, the other end of the bolt rod penetrates through the movable plate and extends into the device body, and a handle is fixed on the upper surface of the movable plate.

Furthermore, the upper surface of the device body is provided with a through hole for the bolt rod to penetrate through, and the through hole is in clearance fit with the bolt rod.

Furthermore, the upper surface of the clamping block is provided with a fastening groove for inserting the bolt rod, and the bolt rod is inserted into the fastening groove.

Further, fixed establishment is including fixing the fixed block at device body lower surface, the left and right sides of base all is fixed with the motor, the outside of motor output shaft is fixed with the other end and runs through and extend to the inside connecting rod of base, two the one end that the connecting rod is relative all is fixed with the driving gear, the outside meshing of driving gear has driven gear, driven gear's inside is fixed with the threaded rod, the outside threaded connection of threaded rod has the sleeve, two one side that the sleeve carried on the back mutually all is fixed with the dead lever.

Furthermore, two one end that the dead lever carried on the back mutually all is fixed with the L shaped plate, the lower surface of L shaped plate is fixed with the briquetting.

Furthermore, the upper surface of reinforcing block is seted up and is supplied briquetting male fixed slot, the size of fixed slot and the big or small looks adaptation of briquetting.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this railway power supply overload protection device has set up installation mechanism in this power supply overload protection device, through the mutually supporting between each structure in the installation mechanism, has made things convenient for the dismouting of staff to this overload protection device, when needs maintain the maintenance to the inside electrical components of overload protection device, has reduced the degree of difficulty when the staff dismantles, has improved staff's work efficiency, provides convenience for subsequent maintenance.

2. This railway power supply overload protection device has set up fixed establishment in this power supply overload protection device, through the mutual cooperation between each structure in the fixed establishment, can firmly fix the device body on the base, has improved the stability of this power supply overload protection device in the railway transportation, and then has guaranteed this overload protection device's normal operating.

Drawings

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

FIG. 2 is a schematic view of the installation mechanism of the present invention;

fig. 3 is a schematic view of the fixing mechanism of the present invention.

In the figure: the device comprises a device body 1, a base 2, a mounting mechanism 3, a 301 access hole, a 302 sealing plate, a 303 clamping block, a 304 handle, a 305 spring, a 306 movable plate, a 307 bolt rod, a 308 lifting handle, a 4 reinforcing block, a 5 fixing mechanism, a 501 fixing block, a 502 motor, a 503 connecting rod, a 504 driving gear, a 505 driven gear, a 506 threaded rod, a 507 sleeve and a 508 fixing rod.

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, the overload protection device for a railway power supply in the embodiment includes a device body 1, a base 2 is disposed on a lower surface of the device body 1, an installation mechanism 3 is disposed on a right side of the device body 1, reinforcing blocks 4 are fixed on left and right sides of the device body 1, the reinforcing blocks 4 play a role in reinforcing, and a fixing mechanism 5 is disposed on the lower surface of the device body 1.

Please refer to fig. 2, in order to facilitate the maintenance of the overload protection apparatus by the worker, the mounting mechanism 3 in this embodiment includes an overhaul assembly and a plug assembly, the overhaul assembly includes an overhaul port 301 disposed on the right side of the apparatus body 1, the overhaul port 301 is a passage for the worker to maintain the electrical components inside the apparatus body 1, a sealing plate 302 is movably attached to the right side of the apparatus body 1, when the maintenance is not needed, the sealing plate 302 covers the overhaul port 301, a fixture block 303 located inside the overhaul port 301 is fixed on the left side of the sealing plate 302, a handle 304 is fixed on the right side of the sealing plate 302, the handle 304 is a common component on the market, which is not described in detail herein, the fixture block 303 is plugged inside the overhaul port 301, and the mating manner is clearance fit.

The plug assembly includes two springs 305 fixed on the upper surface of the device body 1, a movable plate 306 is fixed on one side of the spring 305 away from the device body 1, a latch rod 307 is fixed on the lower surface of the movable plate 306, the other end of the latch rod penetrates through and extends into the device body 1, a handle 308 is fixed on the upper surface of the movable plate 306, and the handle 308 is a common component in the market and is not described herein in detail.

The upper surface of the device body 1 is provided with a through hole for the plug rod 307 to penetrate through, the through hole is in clearance fit with the plug rod 307, the upper surface of the fixture block 303 is provided with a fastening groove for the plug rod 307 to insert, and the plug rod 307 is inserted into the fastening groove.

It can be understood that when latch rod 307 is completely separated from the fastening groove formed on the upper surface of latch 303, the worker can pull handle 304 to pull sealing plate 302 and latch 303 to the right, and after latch 303 is separated from access opening 301, the worker can start maintenance of the electrical components inside device body 1.

Referring to fig. 3, in order to improve the stability of the overload protection device in railway transportation, the fixing mechanism 5 in this embodiment includes fixing blocks 501 fixed on the lower surface of the device body 1, motors 502 are fixed on both left and right sides of the base 2, connecting rods 503 are fixed on the outer sides of output shafts of the motors 502, the other ends of the connecting rods pass through and extend into the base 2, driving gears 504 are fixed on opposite ends of the two connecting rods 503, a driven gear 505 is engaged with the outer side of the driving gear 504, a threaded rod 506 is fixed inside the driven gear 505, sleeves 507 are screwed on the outer sides of the threaded rod 506, and fixing rods 508 are fixed on opposite sides of the two sleeves 507.

Wherein, the one end that two dead levers 508 carried on the back mutually all is fixed with the L shaped plate, and the lower fixed surface of L shaped plate has the briquetting, and the upper surface of reinforcing block 4 is seted up and is supplied briquetting male fixed slot, the size of fixed slot and the big or small looks adaptation of briquetting.

It should be noted that, the upper surface of the base 2 is provided with a splicing groove for inserting the fixing block 501, the size of the splicing groove is matched with that of the fixing block 501, and after the fixing block 501 is completely inserted into the splicing groove, the lower surface of the device body 1 is attached to the upper surface of the base 2.

The left and right sides of base 2 all has seted up the recess, and threaded rod 506 rotates through the bearing and connects in the inside of recess.

The working principle of the embodiment is as follows:

(1) When the railway power overload protection device needs to be used, firstly, the fixing block 501 on the lower surface of the device body 1 is aligned to the splicing groove formed in the upper surface of the base 2, after the fixing block 501 is completely inserted into the splicing groove formed in the upper surface of the base 2, at the moment, the device body 1 is attached to the upper surface of the base 2, then a worker drives the two motors 502, the output shafts of the motors 502 start to rotate, the connecting rod 503 is driven to rotate, the driving gear 504 is driven to rotate by the rotation of the connecting rod 503, the driven gear 505 meshed with the driving gear 504 rotates, the threaded rod 506 is driven to rotate by the rotation of the driven gear 505, at the moment, the sleeve 507 in threaded connection with the upper surface of the threaded rod 506 moves outside the threaded rod 506, and when the device body 1 needs to be fixed, the two sleeves 507 move downwards, and the two fixing rods 508 are driven to move downwards at the same time.

(2) The fixing rod 508 moves downwards to drive the two L-shaped plates to move downwards, the pressing blocks on the lower surfaces of the L-shaped plates move towards the two reinforcing blocks 4, after the pressing blocks completely enter fixing grooves formed in the upper surfaces of the reinforcing blocks 4, the motor 502 is turned off, the lower surfaces of the L-shaped plates are attached to the upper surfaces of the reinforcing blocks 4 at the moment, the device body 1 is firmly fixed on the upper surface of the base 2, when a worker needs to maintain the overload protection device, the worker pulls the lifting handle 308 on the upper surface of the movable plate 306 to lift the lifting handle 308 upwards, the lifting handle 308 moves upwards to drive the movable plate 306 and the bolt rod 307 to move upwards, the bolt rod 307 slides inside the through hole at the moment, the two springs 305 are stretched, after the bolt rod 307 completely leaves fastening grooves formed in the upper surface of the clamping block 303, the worker pulls the pull handle on the right side of the sealing plate 302 and the clamping block 302 to pull the right side, and after the clamping block 302 leaves the maintenance opening 301, the worker can maintain the interior of the device body 1 through the maintenance opening 301 formed in the right side of the device body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 railway power supply overload protection device, includes device body (1), its characterized in that: a base (2) is placed on the lower surface of the device body (1), an installation mechanism (3) is arranged on the right side of the device body (1), reinforcing blocks (4) are fixed on the left side and the right side of the device body (1), and a fixing mechanism (5) is arranged on the lower surface of the device body (1);

installation mechanism (3) are including overhauing subassembly and grafting subassembly, overhaul the subassembly including offering at access hole (301) on device body (1) right side, the right flank activity laminating of device body (1) has closing plate (302), the left side of closing plate (302) is fixed with fixture block (303) that are located access hole (301) inside, the right side of closing plate (302) is fixed with handle (304).

2. A railway power supply overload protection apparatus as claimed in claim 1, wherein: the plug-in connection assembly comprises two springs (305) fixed on the upper surface of the device body (1), a movable plate (306) is fixed on one side, away from the device body (1), of each spring (305), a bolt rod (307) is fixed on the lower surface of the corresponding movable plate (306), the other end of the bolt rod penetrates through the corresponding movable plate and extends into the device body (1), and a lifting handle (308) is fixed on the upper surface of the corresponding movable plate (306).

3. A railway power supply overload protection apparatus as claimed in claim 2, wherein: the upper surface of the device body (1) is provided with a through hole for the bolt rod (307) to penetrate through, and the through hole is in clearance fit with the bolt rod (307).

4. A railway power supply overload protection apparatus as claimed in claim 2, wherein: the upper surface of the clamping block (303) is provided with a fastening groove for inserting the plug pin rod (307), and the plug pin rod (307) is inserted into the fastening groove.

5. A railway power supply overload protection apparatus as claimed in claim 1, wherein: fixed establishment (5) are including fixing fixed block (501) at device body (1) lower surface, the left and right sides of base (2) all is fixed with motor (502), the outside of motor (502) output shaft is fixed with the other end and runs through and extend to inside connecting rod (503) of base (2), two the relative one end of connecting rod (503) all is fixed with driving gear (504), the outside meshing of driving gear (504) has driven gear (505), the inside of driven gear (505) is fixed with threaded rod (506), the outside threaded connection of threaded rod (506) has sleeve (507), two one side that back on the back of the body of sleeve (507) all is fixed with dead lever (508).

6. A railway power supply overload protection apparatus as claimed in claim 5, wherein: and L-shaped plates are fixed at the opposite ends of the two fixing rods (508), and press blocks are fixed on the lower surfaces of the L-shaped plates.

7. A railway power supply overload protection apparatus as claimed in claim 6, wherein: the upper surface of the reinforcing block (4) is provided with a fixing groove for inserting the pressing block, and the size of the fixing groove is matched with that of the pressing block.