CN215574857U

CN215574857U - Adjustable support that locomotive detected

Info

Publication number: CN215574857U
Application number: CN202121331585.7U
Authority: CN
Inventors: 李燕玲; 肖志明
Original assignee: Nanjing Pufu Locomotive Assembly Co ltd
Current assignee: Nanjing Pufu Locomotive Assembly Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-18
Anticipated expiration: 2031-06-16

Abstract

The utility model provides an adjustable support for locomotive detection, which is applied to a locomotive wheel flaw detection device and comprises a bottom plate, two sliding rails, two support main bodies and two driving assemblies, wherein the two sliding rails are arranged on the bottom plate in an opposite mode, the two support main bodies are arranged at two ends of the bottom plate, two end parts of each support main body are arranged above the two sliding rails and are in sliding connection with the two sliding rails, and the driving assemblies are arranged on the outer sides of the support main bodies and are in transmission connection with bottom end parts of the support main bodies and are used for driving the two support main bodies to be far away from or close to each other. According to the utility model, the two support main bodies are arranged on the sliding rail in a sliding manner, and the walking motor is adopted to drive the two support main bodies to mutually approach or separate, so that the distance between the two support main bodies is adjusted to adapt to the wheel flaw detection of different sizes.

Description

Adjustable support that locomotive detected

Technical Field

The utility model relates to the technical field of locomotive detection, in particular to an adjustable support for locomotive detection.

Background

The wheels of the rail locomotive have fatigue cracks due to long-term use, and the driving safety is affected, so that the wheels of the locomotive must be periodically subjected to flaw detection to be timely maintained or replaced.

At present, the operation flow of the locomotive wheel flaw detection device is as follows: the wheel to be detected is placed on the fixed support, the tread and the inner side face of the wheel to be detected are respectively provided with the ultrasonic probes, and after the wheel to be detected is driven to rotate for a circle, flaw detection on the tread and the inner side face of the wheel to be detected is completed. However, the support of the device is fixed and cannot be adjusted, so that the device cannot be suitable for flaw detection of wheels with different specifications and sizes, and has low adaptability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable support for locomotive detection, and solves the problems that a fixed support of a flaw detection device in the prior art cannot adapt to the flaw detection of wheels with different specifications and sizes, and the adaptability is low.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides an adjustable support that locomotive detected, is applied to on the locomotive wheel device of detecting a flaw, the support includes the bottom plate and locates two slide rails, two support main parts and two drive assembly of relative setting on the bottom plate, two the bottom plate both ends are located to the slide rail, support main part both ends are located two slide rail tops and rather than sliding connection, drive assembly is located the support main part outside and rather than bottom portion transmission connection for two support main parts are kept away from each other or are close to.

Preferably, the driving assembly comprises a walking motor, a first bearing seat, a second bearing seat, a screw rod and a nut seat, the first bearing seat and the second bearing seat are fixedly arranged on the bottom plate, the nut seat is positioned between the two bearing seats and is fixedly connected with the bottom end part of the bracket main body, the screw rod penetrates through the nut seat, two end parts of the screw rod are respectively and rotatably connected with the first bearing seat and the second bearing seat, and the walking motor is fixedly arranged on the bottom plate and is in transmission connection with the end part of the screw rod.

As the preferred scheme, the support main part includes the horizontal pole of two level settings and the montant of two vertical settings, horizontal pole and montant end to end make up into the rectangle framework.

As an optimal scheme, the middle parts of two ends of one side, close to each other, of the two support main bodies are respectively and fixedly provided with a first baffle plate and a second baffle plate, and the first baffle plates and the second baffle plates are arranged in a staggered mode and used for limiting the displacement of the wheel to be measured.

According to the preferable scheme, the outer side ends of the two support main bodies are respectively provided with a limiting plate and a sleeve which are matched with each other, the limiting plate is inserted into the sleeve, the upper surface of the limiting plate is provided with a plurality of positioning holes, the positioning holes are matched with through holes arranged on the sleeve, and fixing bolts are inserted into the positioning holes and the through holes.

According to a preferable scheme, the flaw detection device comprises a supporting plate arranged on a bottom plate, and side plates, a first roller, a second roller, a rotating motor and a transmission part which are arranged on the supporting plate, wherein the two side plates are respectively arranged on two sides of the supporting plate, the first roller and the second roller are rotatably arranged between the two side plates, and the rotating motor is fixedly arranged on the supporting plate and is connected with the first roller through the transmission part.

Preferably, wheel carriers are fixedly arranged at two ends of the upper part of the bracket main body, and side wheels are rotatably connected to the wheel carriers and used for abutting against the inner side surface of the wheel to be detected.

Compared with the prior art, the utility model has the beneficial effects that: the two support main bodies are arranged on the sliding rail in a sliding mode, and the walking motor is adopted to drive the two support main bodies to get close to or get away from each other, so that the distance between the two support main bodies is adjusted to adapt to the wheel flaw detection of different sizes; the walking motor adopts a ball screw structure, the screw rod is driven to rotate after the walking motor is started, the support main body is pushed to move back and forth along the direction of the slide rail, the control is accurate, and the movement is stable and reliable; through set up limiting plate and sleeve in the support main part outside, after the support main part has adjusted the position, adopt fixing bolt to pass the locating hole on the limiting plate and fix, increased overall structure's reliability.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic diagram of an adjustable support for locomotive inspection according to an embodiment of the present invention;

FIG. 2 is a front view of an adjustable stand for locomotive testing according to an embodiment of the present invention;

FIG. 3 is a top view of an adjustable support for locomotive testing according to an embodiment of the present invention;

FIG. 4 is a side view of an adjustable stand for locomotive testing according to an embodiment of the present invention.

Reference numbers in the figures: the device comprises a base plate 1, a sliding rail 2, a bracket main body 3, a sliding block 4, a side plate 5, a first roller 6, a second roller 7, a rotating motor 8, a transmission part 9, a wheel frame 10, a side wheel 11, a first baffle 12, a limiting plate 13, a sleeve 14, a positioning hole 15, a second baffle 16, a traveling motor 17, a nut seat 18, a screw rod 19, a supporting plate 20, an operation table 21, a fixing bolt 22, a first bearing seat 23 and a second bearing seat 24.

Detailed Description

It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

An embodiment according to the utility model is shown in connection with fig. 1 to 4. The utility model provides an adjustable support that locomotive detected, be applied to on the locomotive wheel flaw detection device, this support includes bottom plate 1 and locates two slide rails 2, two support main parts 3 and two drive assembly of relative setting on the bottom plate 1, two slide rails 2 are located bottom plate 1 both ends, 3 both ends of support main part are located two slide rails 2 tops and rather than sliding connection, drive assembly is located the 3 outsides of support main part and is connected rather than the transmission of bottom end portion for drive two support main parts 3 keep away from each other or be close to.

Above-mentioned support main part 3 includes the horizontal pole of two levels settings and the montant of two vertical settings, and horizontal pole and montant end to end make up into the rectangle framework, and rectangle framework bottom both ends have set firmly slider 4 respectively, and

slider

4 and 2 cooperation sliding connection of slide rail.

The middle parts of two ends of one side of two support main parts 3 that are close to each other are respectively fixedly provided with a first baffle 12 and a second baffle 16, and the first baffle 12 and the second baffle 16 are arranged in a staggered manner and are used for limiting the displacement of the wheel to be measured.

In this embodiment, the driving assembly includes a walking motor 17, a first bearing seat 23, a second bearing seat 24, a screw rod 19 and a nut seat 18, the first bearing seat 23 and the second bearing seat 24 are fixedly disposed on the base plate 1, the nut seat 18 is disposed between the two bearing seats and fixedly connected to the bottom end of the bracket body 3, the screw rod 19 passes through the nut seat 18, and two end portions of the screw rod are rotatably connected to the first bearing seat 23 and the second bearing seat 24, respectively, and the walking motor 17 is fixedly disposed on the base plate 1 and is in transmission connection with the end portion of the screw rod 19. After the walking motor 17 is started, the screw rod 19 is driven to rotate through the coupler, the screw rod 19 and the nut seat 18 are of a ball screw structure, the rotary motion of the screw rod 19 is converted into the linear motion of the support main body 3, the support main body 3 moves back and forth along the direction of the slide rail 2, and the control is accurate, and the motion is stable and reliable.

Furthermore, the outer ends of the two bracket bodies 3 are respectively provided with a limiting plate 13 and a sleeve 14 which are matched with each other, the limiting plate 13 is inserted into the sleeve 14, the upper surface of the limiting plate is provided with a plurality of positioning holes 15, the positioning holes 15 are matched with through holes arranged on the sleeve 14, and fixing bolts 22 are inserted into the positioning holes 15 and the through holes. After the position of the support main body 3 is adjusted, the fixing bolt 22 is adopted to penetrate through the positioning hole 15 on the limiting plate 13 for fixing, and the reliability of the whole structure is improved.

In this embodiment, the flaw detection device includes a supporting plate 20 disposed on the bottom plate 1, and a side plate 5, a first roller 6, a second roller 7, a rotating motor 8 and a transmission member 9 disposed on the supporting plate 20, where the two side plates 5 are disposed on two sides of the supporting plate 20 respectively, the first roller 6 and the second roller 7 are rotatably disposed between the two side plates 5, and the rotating motor 8 is fixedly disposed on the supporting plate 20 and connected to the first roller 6 through the transmission member 9. The two ends of the upper part of the bracket main body 3 are fixedly provided with wheel frames 10, and the wheel frames 10 are rotatably connected with side wheels 11 which are used for abutting against the inner side surfaces of the wheels to be measured. In addition, operation platforms 21 are provided on both sides of the base plate 1, and operators can stand.

During flaw detection, an operator stands on the operating platform 21, a wheel to be detected is placed on the adjustable support, the inner side face of the wheel to be detected is abutted to the side wheel 11, the tread of the wheel to be detected falls on the first roller 6 and the second roller 7, the tread and the inner side face of the wheel to be detected are respectively provided with the ultrasonic probes, the rotating motor 8 is started, the rotating motor 8 drives the first roller 6 to rotate through the transmission piece 9, the wheel to be detected is driven to rotate, the transmission piece 9 can adopt a chain wheel assembly or a belt wheel assembly, after the wheel to be detected rotates for a circle, flaw detection on the tread and the inner side face of the wheel to be detected is completed, and the operation is convenient.

In summary, the beneficial effects of the utility model include: the two support main bodies 3 are arranged on the sliding rail 2 in a sliding mode, and the two support main bodies 3 are driven to mutually approach or separate by the traveling motor 17, so that the distance between the two support main bodies 3 is adjusted to adapt to the wheel flaw detection of different sizes; the walking motor 17 adopts a ball screw structure, the walking motor 17 drives the screw rod 19 to rotate after being started, the bracket main body 3 is pushed to move back and forth along the direction of the slide rail 2, the control is accurate, and the movement is stable and reliable; by arranging the limiting plate 13 and the sleeve 14 outside the bracket main body 3, after the position of the bracket main body 3 is adjusted, the fixing bolt 22 is adopted to penetrate through the positioning hole 15 on the limiting plate 13 for fixing, and the reliability of the whole structure is improved.

The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.

Claims

1. The utility model provides an adjustable support that locomotive detected, is applied to on locomotive wheel flaw detection device, its characterized in that, the support includes the bottom plate and locates two slide rails, two support main parts and two drive assembly of relative setting on the bottom plate, two the slide rail is located the bottom plate both ends, support main part both ends are located two slide rail tops and rather than sliding connection, drive assembly is located the support main part outside and rather than bottom portion transmission connection for two support main parts of drive keep away from each other or are close to.

2. The adjustable bracket for locomotive detection according to claim 1, wherein the driving assembly comprises a walking motor, a first bearing seat, a second bearing seat, a lead screw and a nut seat, the first bearing seat and the second bearing seat are fixedly arranged on the bottom plate, the nut seat is arranged between the two bearing seats and fixedly connected with the bottom end part of the bracket main body, the lead screw passes through the nut seat, two end parts of the lead screw are respectively and rotatably connected with the first bearing seat and the second bearing seat, and the walking motor is fixedly arranged on the bottom plate and is in transmission connection with the end part of the lead screw.

3. The locomotive detection adjustable support according to claim 1, wherein the support body comprises two horizontally disposed cross bars and two vertically disposed vertical bars, the cross bars and the vertical bars being combined into a rectangular frame body end to end.

4. The adjustable bracket for locomotive detection according to claim 1, wherein the middle parts of the two ends of the two bracket bodies close to one side of each other are respectively and fixedly provided with a first baffle plate and a second baffle plate, and the first baffle plates and the second baffle plates are arranged in a staggered manner and used for limiting the displacement of the wheel to be detected.

5. The adjustable bracket for locomotive inspection according to claim 1, wherein the outer ends of the two bracket bodies are respectively provided with a limiting plate and a sleeve which are matched with each other, the limiting plate is inserted into the sleeve, the upper surface of the limiting plate is provided with a plurality of positioning holes, the positioning holes are matched with through holes arranged on the sleeve, and fixing bolts are inserted into the positioning holes and the through holes.

6. The adjustable bracket for locomotive inspection according to claim 1, wherein the inspection device comprises a supporting plate disposed on the bottom plate, and a side plate, a first roller, a second roller, a rotating motor and a transmission member disposed on the supporting plate, wherein the side plate is disposed on both sides of the supporting plate, the first roller and the second roller are rotatably disposed between the two side plates, and the rotating motor is fixed on the supporting plate and connected to the first roller through the transmission member.

7. The adjustable bracket for locomotive detection according to claim 1, wherein wheel frames are fixedly arranged at two ends of the upper part of the bracket main body, and side wheels are rotatably connected to the wheel frames and used for abutting against the inner side surfaces of the wheels to be detected.