CN217167309U

CN217167309U - Automatic dismounting device for wheel pair shaft box of electric passenger car

Info

Publication number: CN217167309U
Application number: CN202220202532.3U
Authority: CN
Inventors: 杨吉胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-12
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses an automatic dismounting device of [ electric ] motor coach wheel pair axle box, including the bottom plate, the both ends at bottom plate top all are provided with wheel pair positioning mechanism, and the both ends at bottom plate top and the equal fixed mounting in one side that is located wheel pair positioning mechanism have two pneumatic cylinders, and the top of bottom plate just is located and corresponds equal fixed mounting between two pneumatic cylinders and have magnetic grid formula displacement sensor, corresponds equal fixedly connected with lifter plate between the piston rod of two pneumatic cylinders, the equal fixedly connected with second slide rail in both ends at lifter plate top, the utility model discloses the beneficial effect who reaches is: the utility model discloses a two wheel pair positioning mechanism between two dismantlement boards, can be quick carry out positioning operation to the wheel pair, the servo electric cylinder drive of cooperation simultaneously dismantlement board removes, can pull out axle box from the bearing to realize the automatic dismantlement of axle box, and then broken away from traditional artifical dismantlement mode, not only improved dismantlement efficiency, but also reduced the potential safety hazard, be favorable to practical application and operation.

Description

Automatic dismounting device for wheel pair shaft box of electric passenger car

Technical Field

The utility model belongs to the technical field of the [ electric ] motor coach maintains, specifically be the [ electric ] motor coach wheel pair axle box automatic dismounting device.

Background

In the existing life, the electric bus mainly refers to a pure electric bus, all the electric bus runs by using electric energy, the noise of the product is low, the running stability is high, and zero emission is realized, although the electric bus has no emission pollution, the indirect pollution is not negligible, for example, lead in a lead-acid battery, pollution can be caused to the environment from mining and smelting to production pollution discharge, and for example, for the used electric energy, a large part of the electric bus comes from thermal power generation, and the coal fuel can also cause air pollution, and in the running process of the electric bus, the wheel set class usually needs to disassemble and maintain the axle box body of the electric bus.

But among the prior art, mostly dismantle through the manual work when the motor coach axle box is dismantled to wheel pair class, two people use the crowbar to prize the axle box with the help of the strong point, if two people that use the crowbar cooperate not well, very easily cause the potential safety hazard, such dismantlement mode is consuming time power simultaneously, and efficiency is lower to rusty serious axle box, there is the problem that is difficult to dismantle, be unfavorable for actual operation.

The utility model has the following contents:

the utility model aims at providing an automatic dismounting device of [ electric ] motor car wheel set axle box just in order to solve above-mentioned problem, solved the problem of mentioning in the background art.

In order to solve the above problem, the utility model provides a technical scheme:

automatic dismounting device of [ electric ] motor coach wheel set axle box, comprising a base plate, the both ends at bottom plate top all are provided with wheel set positioning mechanism, the both ends at bottom plate top and the equal fixed mounting in one side that is located wheel set positioning mechanism have two pneumatic cylinders, the top of bottom plate just is located and corresponds equal fixed mounting between two pneumatic cylinders and has magnetic grid formula displacement sensor, corresponds two equal fixedly connected with lifter plate between the piston rod of pneumatic cylinder, the equal fixedly connected with second slide rail in both ends at lifter plate top, the top of lifter plate just is located equal fixed mounting between two second slide rails and has two servo electric jar, corresponds two equal sliding connection has the stripper plate between the top of second slide rail, corresponds two the piston rod of servo electric jar all with the bottom fixed connection of stripper plate.

As preferred, wheel set positioning mechanism includes the fixed plate, the equal fixedly connected with fixed plate in both ends at bottom plate top, two the equal fixedly connected with two first slide rails in one side that the fixed plate is close to mutually correspond two equal sliding connection has the backup pad between the outside of first slide rail, the equal fixedly connected with rack in one side that the fixed plate was kept away from to the backup pad, the top of bottom plate just is located the equal fixedly connected with mount pad in below of rack, the equal fixed mounting in top of mount pad has servo motor, the equal fixedly connected with gear of servo motor's output shaft, the gear all is connected with the rack toothing that corresponds.

Preferably, the disassembling plates are all arranged in an L-shaped structure.

As preferred, the constant head tank has all been seted up at the top of backup pad, the constant head tank all sets up to V style of calligraphy structure.

Preferably, the hydraulic cylinder, the magnetic grid type displacement sensor, the servo electric cylinder and the servo motor are electrically connected with external control equipment.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a two wheel pair positioning mechanism between two dismantlement boards, can be quick carry out positioning operation to the wheel pair, the servo electric cylinder drive of cooperation simultaneously dismantlement board removes, can pull out axle box from the bearing to realize the automatic dismantlement of axle box, and then broken away from traditional artifical dismantlement mode, not only improved dismantlement efficiency, but also reduced the potential safety hazard, be favorable to practical application and operation.

Description of the drawings:

the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the structure of the disassembled part of the present invention;

fig. 3 is the structural schematic diagram of the wheel set positioning mechanism of the present invention.

In the figure: 1. a base plate; 2. a wheel set positioning mechanism; 21. a fixing plate; 22. a first slide rail; 23. a support plate; 24. a rack; 25. a mounting seat; 26. a servo motor; 27. a gear; 28. positioning a groove; 3. a hydraulic cylinder; 4. a magnetic grid displacement sensor; 5. a lifting plate; 6. a second slide rail; 7. a servo electric cylinder; 8. and (6) disassembling the plate.

The specific implementation mode is as follows:

the preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Example (b):

as shown in fig. 1-3, the utility model provides an automatic dismounting device for a passenger car axle box, including a bottom plate 1, both ends of the top of the bottom plate 1 are all provided with a wheel set positioning mechanism 2, both ends of the top of the bottom plate 1 and one side of the wheel set positioning mechanism 2 are all fixedly provided with two hydraulic cylinders 3, a magnetic grid type displacement sensor 4 is fixedly arranged on the top of the bottom plate 1 and between the two corresponding hydraulic cylinders 3, a lifting plate 5 is fixedly connected between piston rods corresponding to the two hydraulic cylinders 3, the lifting plate 5 can be conveniently and better adjusted in height by controlling the hydraulic cylinders 3 to work, and the magnetic grid type displacement sensor 4 is controlled to work at the same time, so that the displacement of the lifting plate 5 can be better detected; the equal fixedly connected with second slide rail 6 in both ends at lifter plate 5 top, lifter plate 5's top just is located equal fixed mounting between two second slide rails 6 and has two servo electric jar 7, equal sliding connection has stripper plate 8 between the top of two corresponding second slide rails 6, the piston rod that corresponds two servo electric jar 7 all with stripper plate 8's bottom fixed connection, work through controlling servo electric jar 7, be convenient for better drive stripper plate 8 removes, simultaneously through second slide rail 6's effect, be convenient for better remove to stripper plate 8 spacing.

Further, wheel set positioning mechanism 2 includes fixed plate 21, the equal fixedly connected with fixed plate 21 in both ends at 1 top of bottom plate, two first slide rails 22 of the equal fixedly connected with in one side that two fixed plates 21 are close to mutually, equal sliding connection has backup pad 23 between the outside of corresponding two first slide rails 22, the equal fixedly connected with rack 24 in one side of fixed plate 21 is kept away from to backup pad 23, the top of bottom plate 1 and the equal fixedly connected with mount pad 25 in below that is located rack 24, the equal fixed mounting in top of mount pad 25 has servo motor 26, the equal fixedly connected with gear 27 of output shaft of servo motor 26, gear 27 all is connected with the meshing of the rack 24 that corresponds, through setting up wheel set positioning mechanism 2, be convenient for better carry out the location operation to the wheel set axle box that needs to dismantle, thereby make follow-up dismantlement operation go on smoothly.

Furthermore, the dismounting plate 8 is arranged to be of an L-shaped structure, so that the shaft box body can be pulled out of the bearing through better movement of the dismounting plate 8, and automatic dismounting operation of the shaft box body is achieved.

Furthermore, constant head tank 28 has all been seted up at the top of backup pad 23, and constant head tank 28 all sets up to V style of calligraphy structure, and the better matching axletree of being convenient for uses.

Furthermore, the hydraulic cylinder 3, the magnetic grid type displacement sensor 4, the servo electric cylinder 7 and the servo motor 26 are electrically connected with external control equipment, so that the overall control operation of the equipment can be better completed.

Specifically, the method comprises the following steps: in practical application, firstly, the equipment is stably placed below a wheel set shaft box body to be disassembled through a bottom plate 1, a positioning groove 28 is positioned right below an axle, the equipment is electrified, the hydraulic cylinder 3, the magnetic grid type displacement sensor 4, the servo electric cylinder 7 and the servo motor 26 are electrically connected with external control equipment, then the servo motor 26 is controlled to work through the external control equipment to drive a gear 27 to rotate, a supporting plate 23 is driven to move upwards under the limiting action of a first sliding rail 22 through the meshing action between the gear 27 and a rack 24, so that the axle is positioned through the positioning groove 28, meanwhile, the step angle of the output shaft of the servo motor 26 during rotation is recorded through the external control equipment, the ascending distance is calculated, and the hydraulic cylinder 3 is controlled to work through conversion and utilization of the external control equipment,

drive lifter plate

5 and 8 rebound of stripper plate, make the bottom contact of 8 top and axle box bodies of stripper plate, meanwhile, utilize magnetic grid formula displacement sensor 4, the displacement volume passback that the record rises gives external controlgear, thereby reach the automatic control operation to equipment, then work through the servo electric jar 7 of external controlgear control, drive stripper plate 8 and remove under the limiting displacement of second slide rail 6, thereby pull out the axle box body from the bearing, and then realize the automatic dismantlement operation to the axle box body.

In addition, because of axle box dead weight about has 80 kilograms, and for irregular shape, the focus does not rise simultaneously when two heavy pneumatic cylinders 3 rise in need of selecting admittedly at the geometric centre point, and balanced axle box that can be better chooses for use the pneumatic cylinder 3 that the model is HBO 100-300, and concrete parameter is as follows:

name (R)	Performance parameter
		Cylinder diameter	100mm
Maximum stroke	300mm
		Withstand voltage value	14Mpa
Rated pressure	70KG/cm ²
		Using media	Hydraulic oil

Meanwhile, the magnetic grid type displacement sensor 4 is a displacement sensor which utilizes the magnetic action of the magnetic grid and the magnetic head to measure, is a novel digital sensor, can adopt laser positioning to record magnetism, thereby improving the precision of displacement, and selects a high-precision linear sensor with the model of MR50 series, and the specific parameters are as follows:

name (R)	Performance parameter
		Read head	MR50
Matched magnetic ruler	MS50
		Resolution ratio	5μm
Operating voltage
		5—30V/DC
Output signal			RS232
	Mounting gap	Maximum 2.5mm

And, axle box and bearing are clearance fit, nevertheless can touch the condition of being difficult to dismantle because of the corrosion often when dismantling, and great operating allowance should be satisfied in the chooseing of servo electric jar 7, chooses the servo electric jar 7 that the model is YJR series for use, and concrete parameter is as follows:

name (R)	Performance parameter
		Power of servo motor	700W
Stroke control	30—1300mm
		Maximum thrust	2000N.m
Operating voltage	220V/AC

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 automatic dismounting device for the wheel set shaft box body of the electric passenger car comprises a bottom plate (1) and is characterized in that wheel set positioning mechanisms (2) are arranged at two ends of the top of the bottom plate (1), two hydraulic cylinders (3) are fixedly arranged at two ends of the top of the bottom plate (1) and located at one side of the wheel set positioning mechanisms (2), a magnetic grid type displacement sensor (4) is fixedly arranged at the top of the bottom plate (1) and located between the two corresponding hydraulic cylinders (3), a lifting plate (5) is fixedly connected between piston rods corresponding to the two hydraulic cylinders (3), second sliding rails (6) are fixedly connected at two ends of the top of the lifting plate (5), two servo electric cylinders (7) are fixedly arranged at the top of the lifting plate (5) and located between the two second sliding rails (6), and a dismounting plate (8) is slidably connected between the tops of the two corresponding second sliding rails (6), piston rods corresponding to the two servo electric cylinders (7) are fixedly connected with the bottom of the dismounting plate (8).

2. The automatic dismounting device for the electric passenger car wheel pair axle box body as claimed in claim 1, the wheel set positioning mechanism (2) comprises fixing plates (21), the fixing plates (21) are fixedly connected to both ends of the top of the bottom plate (1), two first sliding rails (22) are fixedly connected to one sides of the two fixing plates (21) close to each other, a supporting plate (23) is connected between the outer sides of the two corresponding first sliding rails (22) in a sliding way, one side of the supporting plate (23) far away from the fixed plate (21) is fixedly connected with a rack (24), the top of the bottom plate (1) and the lower part of the rack (24) are fixedly connected with mounting seats (25), the top of the mounting seat (25) is fixedly provided with a servo motor (26), the output shafts of the servo motors (26) are fixedly connected with gears (27), and the gears (27) are meshed with corresponding racks (24).

3. The automatic dismounting device for the electric passenger car wheel pair axle box body as claimed in claim 1, wherein the dismounting plates (8) are all arranged in an L-shaped structure.

4. The automatic dismounting device for the electric passenger car wheel pair axle box body according to claim 2, characterized in that positioning grooves (28) are formed in the top of the supporting plate (23), and the positioning grooves (28) are arranged in a V-shaped structure.

5. The device for automatically dismounting the axle box of the electric passenger car wheel pair according to claim 2, is characterized in that the hydraulic cylinder (3), the magnetic grid type displacement sensor (4), the servo electric cylinder (7) and the servo motor (26) are electrically connected with external control equipment.