CN214001353U

CN214001353U - Locomotive city rail brake resistor accessory

Info

Publication number: CN214001353U
Application number: CN202023033941.5U
Authority: CN
Inventors: 连建玲
Original assignee: Shanghai Runzi Electric Co ltd
Current assignee: Shanghai Runzi Electric Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-20
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a braking resistor cabinet technical field just discloses a locomotive city rail braking resistance accessory, including the resistor cabinet, the left and right sides of resistor cabinet all is fixed with two sliders, the through-hole has been seted up on the slider, the below of resistor cabinet is provided with the base, the upper surface four corners of base all is fixed with the gag lever post, the top of gag lever post is run through the through-hole and is fixed with the spacing piece, the surface of gag lever post just is located and overlaps between slider and the base and is equipped with the spring, the inside middle part of resistor cabinet and bottom all are provided with the resistance mounting panel, the lower surface rear side of resistance mounting panel is fixed with the diaphragm. This locomotive city rail brake resistance accessory through the cooperation of spring, slider and gag lever post, can reduce the influence to equipment in the resistance cabinet, when needs maintenance resistance equipment, opens the motor and can drive the resistance mounting panel and stretch out from the resistance cabinet to be convenient for maintain the resistance equipment in the resistance cabinet, improved maintenance efficiency.

Description

Locomotive city rail brake resistor accessory

Technical Field

The utility model relates to a brake resistor cabinet technical field specifically is a locomotive city rail brake resistor accessory.

Background

The resistance braking device is adopted on the electric transmission diesel locomotive of the railway trunk line, because the locomotive takes a diesel engine as power and is connected with a main generator through an elastic coupling, and the generated electricity provides a power supply for a traction motor on a locomotive wheel pair through an electric control cabinet; the traction motor is transmitted to a driven gear on the wheel pair through a driving gear to drive the wheel train to run, and the whole process is a conversion process of mechanical energy-electric energy-mechanical energy. When the locomotive is braked, the rotor speed of the traction motor is higher than the stator rotating magnetic field speed, at the moment, the traction motor is changed from an electromagnetic power input state to an electromagnetic power output state (namely, the condition of a generator), the force which acts on the locomotive in a reaction manner is the braking force of the train, the alternating current is rectified by an inverter and then directly added to a braking resistance device to be converted into heat energy, and the heat energy is taken away and consumed by cooling air blown in by a fan. This is a conversion process of mechanical energy-electric energy-heat energy.

And the inside resistance equipment of present locomotive city rail brake resistance cabinet breaks down, when needing to maintain, because the space in the resistance cabinet is narrow and small, inconvenient dismantlement, and then lead to the maintenance inconvenient, and the vibration of locomotive causes the influence to the resistance cabinet internal plant easily simultaneously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough of prior art in to above-mentioned background art, the utility model provides a locomotive city rail brake resistance accessory to it is narrow and small to overcome the current locomotive city rail brake resistance cabinet space that proposes in the above-mentioned background art, inconvenient maintenance, and the vibration of locomotive causes the shortcoming of influence to the inside equipment of resistance cabinet easily simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a locomotive city rail brake resistor accessory comprises a resistor cabinet, wherein two sliding blocks are fixed on the left side and the right side of the resistor cabinet respectively, through holes are formed in the sliding blocks, a base is arranged below the resistor cabinet, limiting rods are fixed on four corners of the upper surface of the base respectively, the top ends of the limiting rods penetrate through the through holes and are fixed with limiting blocks, springs are sleeved on the outer surfaces of the limiting rods and located between the sliding blocks and the base, and resistor mounting plates are arranged at the middle part and the bottom inside the resistor cabinet;

a transverse plate is fixed at the rear side of the lower surface of the resistor mounting plate, a threaded hole is arranged in the middle of the transverse plate, round holes are arranged on the transverse plate and positioned at the left side and the right side of the threaded hole, a motor is arranged behind the transverse plate, a screw rod is fixed at the output end of the motor, one end of the screw rod, which is far away from the motor, penetrates through the threaded hole and is rotatably connected with a fixing plate through a bearing, the left side of the fixed plate is fixed with the inner wall of the left side of the resistance cabinet, the right side of the fixed plate is fixed with the inner wall of the right side of the resistance cabinet, round rods are arranged on the left side and the right side of the motor, the back surface of each round rod is fixed with the inner wall of the back surface of the resistor cabinet, the front surface of the round rod penetrates through the round hole and is fixed with the back surface of the fixed plate, a supporting rod is arranged in front of the fixed plate, the outer surface of the supporting rod is rotatably connected with a supporting roller through a bearing, and the outer surface of the supporting roller is in contact with the lower surface of the resistor mounting plate.

As an optimal technical solution of the utility model: the positive left and right sides of resistance cabinet all articulates through the hinge has the cabinet door, cabinet door and resistance cabinet looks adaptation set up the cabinet door and can protect the resistance equipment in the resistance cabinet.

Furthermore, the through hole is matched with the limiting rod, and the diameter of the limiting block is larger than that of the through hole.

Furthermore, one end of the spring is fixed to the lower surface of the sliding block, and the other end of the spring is fixed to the upper surface of the base.

Further, leave the clearance between the left side of resistance mounting panel and the left side inner wall of resistance cabinet, leave the clearance between the right side of resistance mounting panel and the right side inner wall of resistance cabinet.

Furthermore, the back of the motor is fixed with the inner wall of the back of the resistor cabinet, and a gap is reserved between the upper surface of the motor and the lower surface of the resistor mounting plate.

Furthermore, the screw rod is matched with the threaded hole, and the round hole is matched with the round rod.

The theory of operation, this locomotive city rail braking resistance accessory, transmit the gag lever post for through the base during locomotive vibrations, the slider slides on the gag lever post this moment, the stopper is spacing to the slider, buffering through the spring can reduce the influence to equipment in the resistance cabinet, when needing to maintain the resistance equipment in the resistance cabinet, at first open the cabinet door, then it is rotatory to open the motor and drive the lead screw, the lead screw is at rotatory in-process and screw hole cooperation, make the diaphragm along the axial displacement of person's lead screw, the diaphragm drives the outside that the resistance cabinet stretches out the resistance cabinet this moment, the backing roll rotates on the bracing piece simultaneously and supports the resistance mounting panel, through exposing the resistance mounting panel, can be convenient for maintain the resistance equipment in the resistance cabinet, maintenance efficiency is improved.

The electrical components presented therein may be electrically connected to an external controller, and the controller may be electrically connected to an external commercial power, and the controller may be a conventional known device that functions as a control for a computer or the like.

(III) advantageous effects

The utility model provides a locomotive city rail braking resistance accessory possesses following beneficial effect:

(1) this locomotive city rail brake resistance accessory through the cooperation of spring, slider and gag lever post, can reduce the influence to equipment in the resistance cabinet, when needs maintenance resistance equipment, opens the motor and can drive the resistance mounting panel and stretch out from the resistance cabinet to be convenient for maintain the resistance equipment in the resistance cabinet, improved maintenance efficiency.

(2) This locomotive city rail braking resistance accessory sets up the cabinet door and can protects the resistance equipment in the resistance cabinet, through the cooperation of round bar and round hole, makes more steady that the resistance mounting panel removed, can avoid it to follow the lead screw rotation.

Drawings

FIG. 1 is a schematic perspective view of a braking resistor fitting for an urban rail of a locomotive according to the present invention;

FIG. 2 is a schematic diagram of the front view structure of the braking resistor fitting for the urban rail of the locomotive of the present invention;

FIG. 3 is a schematic diagram of a right-side sectional structure of the braking resistor fitting of the locomotive urban rail of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2 of the present invention;

fig. 5 is a schematic structural diagram of the resistor mounting plate of the locomotive urban rail brake resistor fitting of the present invention.

In the figure: 1. a resistor cabinet; 2. a slider; 3. a through hole; 4. a base; 5. a limiting rod; 6. a limiting block; 7. a spring; 8. a resistor mounting plate; 9. a transverse plate; 10. a threaded hole; 11. a circular hole; 12. a motor; 13. a screw rod; 14. a fixing plate; 15. a round bar; 16. a support bar; 17. a support roller; 18. a cabinet door.

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.

Referring to fig. 1-5, the present invention provides a brake resistor assembly for city rail of a locomotive;

according to the figure 1-2, the resistance cabinet comprises a resistance cabinet 1, two sliding blocks 2 are fixed on the left side and the right side of the resistance cabinet 1, through holes 3 are formed in the sliding blocks 2, a base 4 is arranged below the resistance cabinet 1, limiting rods 5 are fixed on four corners of the upper surface of the base 4, the top ends of the limiting rods 5 penetrate through the through holes 3 and are fixed with limiting blocks 6, the through holes 3 are matched with the limiting rods 5, the diameter of the limiting blocks 6 is larger than that of the through holes 3, springs 7 are sleeved on the outer surface of the limiting rods 5 and positioned between the sliding blocks 2 and the base 4, one ends of the springs 7 are fixed with the lower surface of the sliding blocks 2, the other ends of the springs 7 are fixed with the upper surface of the base 4, the springs are transmitted to the limiting rods 5 through the base 4 when a locomotive vibrates, the sliding blocks 2 slide on the limiting rods 5 at the moment, the limiting blocks 6 limit the, the middle part and the bottom part of the interior of the resistor cabinet 1 are provided with resistor mounting plates 8, a gap is reserved between the left side of the resistor mounting plate 8 and the inner wall of the left side of the resistor cabinet 1, a gap is reserved between the right side of the resistor mounting plate 8 and the inner wall of the right side of the resistor cabinet 1, and resistor equipment is mounted on the resistor mounting plate 8;

according to the illustration of fig. 3-5, a transverse plate 9 is fixed on the rear side of the lower surface of the resistance mounting plate 8, the transverse plate 9 can drive the resistance mounting plate 8 to extend out of the resistance cabinet 1, a threaded hole 10 is formed in the middle of the transverse plate 9, round holes 11 are formed in the transverse plate 9 and located on the left side and the right side of the threaded hole 10, a motor 12 is arranged behind the transverse plate 9, the back of the motor 12 is fixed with the inner wall of the back of the resistance cabinet 1, a gap is reserved between the upper surface of the motor 12 and the lower surface of the resistance mounting plate 8, a lead screw 13 is fixed on the output end of the motor 12, one end of the lead screw 13, which is far away from the motor 12, penetrates through the threaded hole 10 and is rotatably connected with a fixing plate 14 through a bearing, the lead screw 13 is matched with the threaded hole 10 in the rotating process, the right side of the fixed plate 14 is fixed with the inner wall of the right side of the resistor cabinet 1, round rods 15 are arranged on the left side and the right side of the motor 12, the back of each round rod 15 is fixed with the inner wall of the back of the resistor cabinet 1, the front of each round rod 15 penetrates through the round hole 11 and is fixed with the back of the fixed plate 14, the round holes 11 are matched with the round rods 15, the resistor mounting plate 8 can move more stably by matching the round rods 15 with the round holes 11, the resistor mounting plate can be prevented from rotating along with the lead screw 13, a supporting rod 16 is arranged in front of the fixed plate 14, the outer surface of the supporting rod 16 is rotatably connected with a supporting roller 17 through a bearing, the outer surface of the supporting roller 17 is contacted with the lower surface of the resistor mounting plate 8, and the supporting roller 17 rotates on the supporting rod 16 to support the resistor mounting plate 8;

as shown in fig. 1, a preferred embodiment of the present invention is: the positive left and right sides of resistance cabinet 1 all articulates through the hinge has cabinet door 18, and

cabinet door

18 and 1 looks adaptation of resistance cabinet set up cabinet door 18 and can protect the resistance equipment in the resistance cabinet 1.

It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The locomotive city rail brake resistor accessory comprises a resistor cabinet (1) and is characterized in that two sliders (2) are fixed to the left side and the right side of the resistor cabinet (1), through holes (3) are formed in the sliders (2), a base (4) is arranged below the resistor cabinet (1), limiting rods (5) are fixed to four corners of the upper surface of the base (4), the top ends of the limiting rods (5) penetrate through the through holes (3) and are fixed with limiting blocks (6), springs (7) are sleeved on the outer surfaces of the limiting rods (5) and located between the sliders (2) and the base (4), and resistor mounting plates (8) are arranged in the middle and at the bottom of the interior of the resistor cabinet (1);

the lower surface rear side of resistance mounting panel (8) is fixed with diaphragm (9), screw hole (10) is seted up at the middle part of diaphragm (9), round hole (11) have all been seted up to the left and right sides that just is located screw hole (10) on diaphragm (9), the rear of diaphragm (9) is provided with motor (12), the output of motor (12) is fixed with lead screw (13), the one end that motor (12) were kept away from in lead screw (13) runs through screw hole (10) and is connected with fixed plate (14) through the bearing rotation, the left side of fixed plate (14) is fixed with the left side inner wall of resistance cabinet (1), the right side of fixed plate (14) is fixed with the right side inner wall of resistance cabinet (1), the left and right sides of motor (12) all are provided with round bar (15), the back of round bar (15) is fixed with the back inner wall of resistance cabinet (1), the front of round bar (15) runs through round hole (11) and is fixed with the back of fixed plate (14), the place ahead of fixed plate (14) is provided with bracing piece (16), the surface of bracing piece (16) rotates through the bearing and is connected with backing roll (17), the surface of backing roll (17) contacts with the lower surface of resistance mounting panel (8).

2. A locomotive city rail brake resistor accessory according to claim 1, characterized in that the left and right sides of the front face of the resistor cabinet (1) are hinged with cabinet doors (18) through hinges, and the cabinet doors (18) are matched with the resistor cabinet (1).

3. A locomotive city rail brake resistance accessory according to claim 1, characterized in that the through hole (3) is adapted with a stopper rod (5), the diameter of the stopper (6) being larger than the diameter of the through hole (3).

4. A locomotive city rail brake resistor accessory according to claim 1, characterized in that one end of the spring (7) is fixed with the lower surface of the slider (2), and the other end of the spring (7) is fixed with the upper surface of the base (4).

5. A locomotive city rail brake resistance accessory according to claim 1, characterized in that a gap is left between the left side of the resistance mounting plate (8) and the left side inner wall of the resistance cabinet (1), and a gap is left between the right side of the resistance mounting plate (8) and the right side inner wall of the resistance cabinet (1).

6. A locomotive city rail brake resistor accessory according to claim 1, characterized in that the back of the motor (12) is fixed with the inner wall of the back of the resistor cabinet (1), and a gap is left between the upper surface of the motor (12) and the lower surface of the resistor mounting plate (8).

7. A locomotive city rail brake resistor accessory according to claim 1, characterized in that the screw (13) is adapted to the threaded hole (10), and the round hole (11) is adapted to the round rod (15).