阅读说明：本技术 检测装置 (Detection device ) 是由 太万秋 韩东旭 古剑 于 2021-09-23 设计创作，主要内容包括：本发明提出一种检测装置,其包含支撑机构及测量机构；支撑机构包含第一导轨及至少两个支撑横梁；第一导轨沿第一方向设于地面或者基座；至少两个支撑横梁沿第一方向相间隔地设于第一导轨,并能沿第一导轨移动,每个支撑横梁均设有支撑柱；测量机构包含门式支架及多个激光测距传感器；门式支架具有顶梁和两根侧梁,并能沿第一方向移动,支撑机构支撑机车车体时,顶梁位于机车车体上方,两根侧梁分别位于机车车体两侧；多个激光测距传感器分别设于顶梁的下表面和两根侧梁的相对内侧表面；其中,检测装置被配置为通过移动门式支架,利用激光测距传感器测量机车车体多个位置的表面的点坐标信息,并据此得到机车车体的外形轮廓尺寸及整车挠度。(The invention provides a detection device, which comprises a supporting mechanism and a measuring mechanism; the supporting mechanism comprises a first guide rail and at least two supporting cross beams; the first guide rail is arranged on the ground or the base along a first direction; the at least two supporting cross beams are arranged on the first guide rail at intervals along a first direction and can move along the first guide rail, and each supporting cross beam is provided with a supporting column; the measuring mechanism comprises a portal bracket and a plurality of laser ranging sensors; the door type support is provided with a top beam and two side beams and can move along a first direction, when the support mechanism supports the locomotive body, the top beam is positioned above the locomotive body, and the two side beams are respectively positioned at two sides of the locomotive body; the laser ranging sensors are respectively arranged on the lower surface of the top beam and the opposite inner side surfaces of the two side beams; the detection device is configured to measure point coordinate information of the surfaces of a plurality of positions of the locomotive body by the laser ranging sensor through the movable portal support, and accordingly the outline dimension and the whole vehicle deflection of the locomotive body are obtained.)

1. A detection device is used for measuring the outline dimension of a locomotive body and the deflection of the whole locomotive, and is characterized by comprising:

a support mechanism comprising:

the first guide rail is arranged on the ground or the base along a first direction; and

the support beams are arranged on the first guide rail at intervals along the first direction and can move along the first guide rail, and each support beam is provided with a support column; and

a measurement mechanism comprising:

the door type support is provided with a top beam and two side beams and can move along the first direction, when the support mechanism supports the locomotive body, the top beam is positioned above the locomotive body, and the two side beams are respectively positioned at two sides of the locomotive body; and

the laser ranging sensors are respectively arranged on the lower surface of the top beam and the opposite inner side surfaces of the two side beams;

the detection device is configured to measure point coordinate information of surfaces of a plurality of positions of the locomotive body by the laser ranging sensor through moving the portal support, and accordingly the outline size of the locomotive body and the deflection of the whole locomotive are obtained.

2. The detection device according to claim 1, wherein a connecting plate is provided at a lower portion of the supporting beam, and the connecting plate is connected to the first guide rail by a first connecting member; wherein the detection device is configured to unlock or lock a fastening relationship between the connection plate and the first rail by adjusting the first connection member, so that the support beam can move along the first rail in an unlocked state.

3. The sensing device of claim 2, wherein the first rail is a T-shaped rail and the first connector is a T-bolt.

4. The detecting device according to claim 1, wherein each of the supporting beams is provided with two supporting columns, and the two supporting columns are arranged at intervals along a second direction perpendicular to the first direction.

5. The detecting device according to claim 4, wherein the upper portion of the supporting beams is provided with a sliding slot, the sliding slot extends along the second direction, and two supporting columns provided on one of the supporting beams are respectively in sliding fit with the sliding slot, so that the supporting columns can be adjusted in a moving manner relative to the supporting beams along the second direction.

6. The detecting device according to claim 5, wherein the supporting column is connected to the chute by a second connecting member; wherein the detection device is configured to unlock or lock the fastening relationship of the support column and the chute by adjusting the second connection member so that the support beam can move along the chute in an unlocked state.

7. The detection device according to claim 1, wherein:

the first guide rail is arranged on the ground or the base in a pre-buried mode; and/or

The supporting mechanism comprises at least two first guide rails which are arranged at intervals along a second direction perpendicular to the first direction.

8. The detection device according to claim 1, wherein:

the top end of the support column is provided with a hydraulic top plate, and the support column is configured to support the locomotive body through the hydraulic top plate, and the support height can be adjusted through the hydraulic top plate; and/or

Each support column comprises a body and a reinforcing rib, the body is vertically arranged on the support beam and used for supporting the locomotive body, and the reinforcing ribs are obliquely arranged and supported between the body and the support beam.

9. The detection device according to claim 1, wherein:

the laser ranging sensor is arranged on the top beam in a position-adjustable manner, and the position adjusting direction of the laser ranging sensor relative to the top beam at least comprises a first direction and a second direction perpendicular to the first direction; and/or

The laser ranging sensor is arranged on the side beam in a position-adjustable mode, and the position adjusting direction of the laser ranging sensor relative to the side beam at least comprises the first direction and the vertical direction.

10. The detection device according to claim 1, wherein:

the top beam is provided with at least two laser ranging sensors which are arranged at intervals along a second direction perpendicular to the first direction; and/or

The side beam is provided with at least two laser ranging sensors which are arranged at intervals along the vertical direction; and/or

The detection device further comprises two second guide rails, the two second guide rails are respectively arranged on two sides of the first guide rail in a second direction perpendicular to the first direction, the second guide rails extend in the first direction, and the lower ends of the two side beams of the portal support are respectively in sliding fit with the two second guide rails.

Technical Field

The invention relates to the technical field of rail vehicle detection equipment, in particular to a detection device.

Background

The manufacturing error of the car body steel structure is one of the key points of the quality control of the car manufacturing, the steel structure quality indexes such as the car body contour dimension, the flatness dimension and the like not only affect the car body appearance, but also have larger influence on the static limit and the dynamic limit of the car body steel structure, and the checking of the car body steel structure contour dimension is mainly carried out by a mode of template comparison or Leica measurement at present: the measuring precision of the template comparison mode is low, the influence of the skill and the working state of an operator is great, and the measuring result is unstable; the Lycra measurement mode has high measurement accuracy, but needs to set a target point, and has low measurement efficiency and high possibility of missing detection.

Disclosure of Invention

It is a primary object of the present invention to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a detection apparatus with high precision, fast measurement speed and stable measurement result.

In order to achieve the purpose, the invention adopts the following technical scheme:

according to one aspect of the invention, a detection device is provided for measuring the outline dimension and the finished vehicle deflection of a locomotive body, wherein the detection device comprises a supporting mechanism and a measuring mechanism; the supporting mechanism comprises a first guide rail and at least two supporting cross beams; the first guide rail is arranged on the ground or the base along a first direction; the at least two supporting cross beams are arranged on the first guide rail at intervals along the first direction and can move along the first guide rail, and each supporting cross beam is provided with a supporting column; the measuring mechanism comprises a portal bracket and a plurality of laser ranging sensors; the door type support is provided with a top beam and two side beams and can move along the first direction, when the support mechanism supports the locomotive body, the top beam is positioned above the locomotive body, and the two side beams are respectively positioned at two sides of the locomotive body; the laser ranging sensors are respectively arranged on the lower surface of the top beam and the opposite inner side surfaces of the two side beams; the detection device is configured to measure point coordinate information of surfaces of a plurality of positions of the locomotive body by the laser ranging sensor through moving the portal support, and accordingly the outline size of the locomotive body and the deflection of the whole locomotive are obtained.

According to one embodiment of the invention, a connecting plate is arranged at the lower part of the supporting beam, and the connecting plate is connected to the first guide rail through a first connecting piece; wherein the detection device is configured to unlock or lock a fastening relationship between the connection plate and the first rail by adjusting the first connection member, so that the support beam can move along the first rail in an unlocked state.

According to one embodiment of the present invention, the first rail is a T-shaped rail, and the first connecting member is a T-shaped bolt.

According to one embodiment of the present invention, each of the support beams is provided with two support columns spaced apart in a second direction perpendicular to the first direction.

According to one embodiment of the present invention, a sliding groove is formed in an upper portion of the supporting cross member, the sliding groove extends along the second direction, and two supporting columns disposed on one supporting cross member are respectively in sliding fit with the sliding groove, so that the supporting columns can move and adjust along the second direction relative to the supporting cross member.

According to one embodiment of the present invention, the supporting column is connected to the sliding groove by a second connecting member; wherein the detection device is configured to unlock or lock the fastening relationship of the support column and the chute by adjusting the second connection member so that the support beam can move along the chute in an unlocked state.

According to one embodiment of the invention: the first guide rail is arranged on the ground or the base in a pre-buried mode; and/or the supporting mechanism comprises at least two first guide rails which are arranged at intervals along a second direction perpendicular to the first direction.

According to one embodiment of the invention: the top end of the support column is provided with a hydraulic top plate, and the support column is configured to support the locomotive body through the hydraulic top plate, and the support height can be adjusted through the hydraulic top plate; and/or each support column comprises a body and a reinforcing rib, the body is vertically arranged on the support beam and used for supporting the locomotive body, and the reinforcing rib is obliquely arranged and supported between the body and the support beam.

According to one embodiment of the invention: the laser ranging sensor is arranged on the top beam in a position-adjustable manner, and the position adjusting direction of the laser ranging sensor relative to the top beam at least comprises a first direction and a second direction perpendicular to the first direction; and/or the laser ranging sensor is arranged on the side beam in a position-adjustable manner, and the position adjusting direction of the laser ranging sensor relative to the side beam at least comprises the first direction and the vertical direction.

According to one embodiment of the invention: the top beam is provided with at least two laser ranging sensors which are arranged at intervals along a second direction perpendicular to the first direction; and/or the side beam is provided with at least two laser ranging sensors which are arranged at intervals along the vertical direction; and/or, the detection device further comprises two second guide rails, the two second guide rails are respectively arranged on two sides of the first guide rail along a second direction perpendicular to the first direction, the second guide rails extend along the first direction, and the lower ends of two side beams of the portal support are respectively in sliding fit with the two second guide rails.

According to the technical scheme, the detection device provided by the invention has the advantages and positive effects that:

the invention provides a detection device which is easy to manufacture and low in cost, and can be used for measuring the outline dimension of the body of a locomotive and the deflection of the whole locomotive, so that the full-scale detection of the body outline can be realized, and an accurate outline graph can be drawn. After the deflection of the car body is prefabricated, the continuous outline dimensions of the car body are obtained through the device, and then the deflection data of the car body are obtained. The device can solve the difficulty that the appearance and deflection data of large-scale products of the locomotive cannot be detected, and provides a comprehensive data detection solution for the manufacturing and detection of the locomotive body.

Drawings

Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic diagram illustrating the structure of a measurement device according to an exemplary embodiment;

FIG. 2 is a left side view of the measuring device shown in FIG. 1;

fig. 3 is a top view of the support beam shown in fig. 2.

The reference numerals are explained below:

110. a support beam;

111. a connecting plate;

112. a chute;

120. a support pillar;

121. a body;

122. reinforcing ribs;

123. a hydraulic top sheet;

210. a door-type support;

211. a top beam;

212. a side beam;

220. a laser ranging sensor;

300. a locomotive body;

310. an end I;

320. end II;

measuring points a-h;

x. a first direction;

y. a second direction.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are accordingly to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.

Referring to fig. 1, a schematic structural diagram of a measuring device according to the present invention is representatively shown. In the exemplary embodiment, the measurement device proposed by the present invention is explained taking the measurement applied to the locomotive body 300 of the electric locomotive as an example. Those skilled in the art will readily appreciate that numerous modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to apply the inventive concepts described herein to the measurement of other types of locomotives, and still be within the scope of the principles of the measurement apparatus set forth herein.

As shown in fig. 1, in the present embodiment, the detection device according to the present invention is capable of measuring the outer contour dimension and the total deflection of the locomotive body 300, and the detection device includes a support mechanism and a measurement mechanism. Referring to fig. 2 and 3 in conjunction, fig. 2 representatively illustrates a left side view of a measurement device which can embody principles of the present invention; representatively illustrated in FIG. 3 is a top view of a support beam 110 of a measuring device which can embody principles of the present invention. The structure, connection mode and functional relationship of the main components of the measuring device proposed by the present invention will be described in detail below with reference to the above drawings.

As shown in fig. 1 to 3, in the present embodiment, the supporting mechanism includes a first guide rail and two supporting beams 110. The first guide rail is provided on the ground or the base in a first direction X (i.e., a length direction of the locomotive body 300). The two supporting beams 110 are arranged on the first guide rail at intervals along the first direction X, and the supporting beams 110 can move along the first guide rail, each supporting beam 110 is provided with a supporting column 120, and the supporting column 120 is used for supporting the locomotive body 300. The measuring mechanism includes a gantry 210 and a plurality of laser ranging sensors 220. This portal frame 210 has back timber 211 and two curb girders 212, and portal frame 210 can remove along first direction X to make laser rangefinder sensor 220 can remove to a plurality of measuring position of the different positions that correspond locomotive automobile body 300 along with portal frame 210, realize the detection to the different positions of locomotive automobile body 300. When the supporting mechanism supports the locomotive body 300, the top beam 211 is located above the locomotive body 300, and the two side beams 212 are respectively located at two sides of the locomotive body 300. A plurality of laser ranging sensors 220 are respectively provided on a lower surface of the top beam 211 and opposite inner side surfaces of the two side beams 212. Accordingly, the detection device measures the point coordinate information of the surface of the locomotive body 300 at a plurality of positions by using the laser ranging sensor 220 through the movable portal frame 210, and accordingly obtains the outline dimension and the finished vehicle deflection of the locomotive body 300.

Through the design, the detection device provided by the invention can realize the measurement of the outline dimension of the locomotive body 300 and the deflection of the whole locomotive, thereby realizing the full-scale detection of the outline of the locomotive body and the drawing of an accurate outline diagram. After the deflection of the car body is prefabricated, the continuous outline dimensions of the car body are obtained through the device, and then the deflection data of the car body are obtained. The device can solve the difficulty that the appearance and deflection data of large-scale products of the locomotive cannot be detected, and provides a comprehensive data detection solution for the manufacturing and detection of the locomotive body. In addition, the measuring device provided by the invention is easy to manufacture, has low cost and has the functions of realizing locomotive supporting, positioning, tensioning, prefabricated deflection and appearance detection. On the basis of each curve chart of the locomotive body, after data analysis is carried out, an accurate outline drawing of the locomotive body is drawn and used as a locomotive body inspection basis for archiving, and the method plays an active role in subsequent assembly, test and on-segment operation of the locomotive.

In other embodiments, the measuring device of the present invention may also include three or more supporting beams 110. In other words, in various possible embodiments consistent with the design concept of the present invention, the measuring device includes at least two supporting beams 110, and the supporting beams 110 are arranged at intervals along the first direction X.

Alternatively, as shown in fig. 3, in the present embodiment, a lower portion of the support beam 110 may be provided with a connection plate 111. Specifically, the connection plate 111 is connected to the first rail by a first connection member. Accordingly, the detection device can unlock or lock the fastening relationship between the connection plate 111 and the first guide rail by adjusting the first connection member, so that the support beam 110 can move along the first guide rail in an unlocked state and be fastened in place after moving to a desired position.

Further, based on the design that the connection plate 111 of the supporting beam 110 is connected to the first rail through the first connection member, in the present embodiment, the first rail may be a T-shaped rail, and the first connection member may be a T-shaped bolt. In other embodiments, the first guide rail and the first connecting element may also be in other matching structural forms, and the embodiment is not limited thereto.

Alternatively, as shown in fig. 2 and 3, in the present embodiment, two support columns 120 may be provided for each support beam 110, and the two support columns 120 are arranged at intervals in a second direction Y (i.e., a width direction of the locomotive body 300) perpendicular to the first direction X. In other embodiments, the number of the supporting pillars 120 disposed on each supporting beam 110 may also be one, three or more, and may be flexibly selected according to the specific structure of the locomotive body 300 to be supported. In addition, the number of the supporting columns 120 disposed on different supporting beams 110 may be, but is not limited to, the same, and is not limited to this embodiment.

Specifically, taking the design that the supporting mechanism in this embodiment includes two supporting beams 110, and two supporting columns 120 are respectively disposed on each supporting beam 110 as an example, the two groups of supporting columns 120 (one group of two supporting columns 120 disposed on the same supporting beam 110) can be supported at the connection portions (such as the secondary spring or rubber pile positions) of the car body steel structure and the bogie at the i end 310 and the ii end 320 of the locomotive body 300.

Further, as shown in fig. 3, based on the design in which two support columns 120 are provided per support beam 110, in the present embodiment, an upper portion of the support beam 110 may be provided with a slide groove 112, and the slide groove 112 may extend in the second direction Y. On this basis, two supporting columns 120 arranged on one supporting beam 110 can be respectively in sliding fit with the sliding grooves 112, so that the movement adjustment of the supporting columns 120 relative to the supporting beam 110 along the second direction Y is realized. Through the above design, the present invention can satisfy different support requirements for different types of locomotive bodies 300 by adjusting the position of the support post 120.

Further, based on the design of the sliding fit of the supporting column 120 to the sliding slot 112 of the supporting beam 110, in the present embodiment, the supporting column 120 may be connected to the sliding slot 112 through a second connecting member, and the sliding slot 112 may be, for example, but not limited to, a U-shaped sliding slot. Accordingly, the detection device can unlock or lock the fastening relationship between the supporting columns 120 and the sliding chute 112 (i.e., the supporting beam 110) by adjusting the second connecting member, so that the supporting columns 120 can move along the sliding chute 112 in the unlocked state and are fastened and positioned after moving to a required position, so that the transverse distance between the two supporting columns 120 can be adjusted according to the widths of the locomotive bodies 300 of different models.

Alternatively, in this embodiment, the first guide rail may be pre-embedded on the ground (e.g., a cement ground of a workshop) or the base.

Alternatively, in the present embodiment, the support mechanism may include two first guide rails that are arranged at intervals in the second direction Y. On the basis of this, the supporting beam 110 is movably arranged on the two first guide rails. Through the design, the invention can enable the supporting beam 110 to move on the first guide rail more stably. In other embodiments, the number of the first guide rails may be three or more, and is not limited to this embodiment. In addition, the number and position of the connection plates 111 may correspond to the number and position of the first guide rails, respectively, based on the design in which the support beam 110 is provided with the connection plates 111.

As shown in fig. 2 and 3, in the present embodiment, each support column 120 may include a body 121 and a reinforcing rib 122. Specifically, the body 121 is vertically provided to the support beam 110, and the body 121 can be used to support the locomotive body 300. The reinforcing rib 122 is obliquely disposed and supported between the body 121 and the supporting beam 110. Based on the design that the supporting column 120 is slidably fitted in the sliding groove 112 of the supporting beam 110, one end of the reinforcing rib 122 is connected to the middle of the body 121, and the other end thereof extends obliquely downward to the supporting beam 110 and is slidably connected to the sliding groove 112. Through the above design, the present invention can further enhance the structural strength of the support mechanism by using the reinforcing ribs 122, and optimize the stability and reliability of the support function for the locomotive body 300.

As shown in fig. 2 and 3, in the present embodiment, the top end of the support column 120 (i.e., the top end of the body 121) may be provided with a hydraulic top sheet 123. Accordingly, the support columns 120 can support the locomotive body 300 through the hydraulic top sheet 123, and can adjust the support height through the hydraulic top sheet 123.

Alternatively, in this embodiment, the position of the laser ranging sensor 220 disposed on the top beam 211 may be adjustable, that is, the laser ranging sensor 220 is adjustably disposed on the top beam 211. The position adjustment direction of the laser ranging sensor 220 relative to the top beam 211 may at least include a first direction X and a second direction Y. In addition, the positional movement of the laser ranging sensor 220 with respect to the top beam 211 may be driven by a driving unit, which may be, for example, but not limited to, a driving mechanism having fine adjustment and positioning functions.

Alternatively, in the present embodiment, the position of the laser distance measuring sensor 220 provided on the side member 212 may be designed to be adjustable, that is, the laser distance measuring sensor 220 may be adjustably provided on the side member 212. The position adjustment direction of the laser distance measuring sensor 220 relative to the side beam 212 may include at least a first direction X and a vertical direction. In addition, the positional movement of laser range sensor 220 relative to side beam 212 may be driven by a drive unit, which may be, for example and without limitation, a drive mechanism having fine adjustment and positioning functions.

Through the design, the invention can realize scanning measurement of the outline of the locomotive body 300 so as to obtain the coordinates of surface points, and the structure of the steel structure surface of the locomotive body 300 can be completed by utilizing the coordinates, so as to realize the dimension measurement of the steel structure outline of the locomotive body 300, such as the width, the length, the height, the side wall flatness, the chassis side bending, the locomotive body 300 deflection and the like of the locomotive body 300. Further, when the laser distance measuring sensor 220 moves, the spatial position thereof changes, and the position of the measured point on the locomotive body 300 also changes, and the spatial position of the sensor and the distance returned are continuously measured, whereby the point coordinate information of the surface of the locomotive body 300 can be obtained.

Specifically, in the present embodiment, the door bracket 210 may be made of a profile, and may be designed and welded according to the external contour dimension of the locomotive body 300.

Alternatively, as shown in fig. 2, in the present embodiment, the top beam 211 of the portal frame 210 may be provided with two laser ranging sensors 220, and the two laser ranging sensors 220 are spaced apart from each other in the second direction Y on the top beam 211. In other embodiments, the top beam 211 may also be provided with only one laser ranging sensor 220, or may be provided with three or more laser ranging sensors 220 according to different detection requirements, and the present embodiment is not limited thereto.

Alternatively, as shown in fig. 2, in the present embodiment, each side beam 212 of the door bracket 210 may be provided with two laser ranging sensors 220, and the two laser ranging sensors 220 provided at one side beam 212 are arranged at intervals in the vertical direction. In other embodiments, only one laser distance measuring sensor 220 may be provided for each side beam 212, or three or more laser distance measuring sensors 220 may be provided according to different detection requirements, and the present embodiment is not limited thereto. In addition, the number and positions of the laser ranging sensors 220 provided on the two side beams 212 may be, but are not limited to, the same.

Optionally, in this embodiment, the detection device provided by the present invention may further include two second guide rails. Specifically, the two second guide rails are respectively disposed on both sides of the first guide rail in the second direction Y, and the second guide rails extend in the first direction X. The lower ends of the two side beams 212 of the door type bracket 210 can be respectively in sliding fit with the two second guide rails. Through the design, the door-type support 210 can move along the first direction X by using the two second guide rails, so that the door-type support 210 can drive the laser ranging sensor 220 to move to the measuring positions corresponding to different positions of the locomotive body 300.

Based on the above detailed description of exemplary embodiments of the detection device proposed by the present invention, the operation principle of the detection device proposed by the present invention will be described below.

As shown in fig. 1, the supporting mechanism of the detecting device is adjusted according to the distance of the locomotive body 300 to be measured and the width dimension of the secondary mounting seat, and specifically, the two supporting beams 110 corresponding to the I end 310 and the II end 320 of the locomotive body 300 are moved on the first guide rail to satisfy the distance dimension of the locomotive body 300 to be measured. And moving and adjusting the two support columns 120 on the support cross beam 110 to enable the distance between the two support columns 120 to meet the width size of the secondary mounting seat of the locomotive body 300 to be measured, calculating the height difference between the secondary mounting seat and the reference according to the locomotive body 300, and measuring the overall flatness of the four support columns 120 by using a measuring mechanism.

As shown in fig. 1, the locomotive body 300 is lifted to the adjusted and measured supporting mechanism, the laser ranging sensor 220 is started, the portal frame 210 is moved according to the preset measuring point positions (for example, the portal frame 210 stops at the measuring point a, the measuring point b, the measuring point c, the measuring point d, the measuring point e, the measuring point f, the measuring point g, and the measuring point h), for example, the laser ranging sensor 220 is moved when the portal frame 210 stops at the measuring point a, the section data of the locomotive body 300 at the measuring point a is collected by the laser ranging sensor 220 on the left side, the right side, and the top side of the locomotive body 300, and other measuring points can be cycled according to the above process.

The measuring points can be selected according to the characteristics of the locomotive body, for example, stop points of the portal support can be preset at the end part of the locomotive body, the rear wall of a cab, the centers of two bogies, the center of a traction beam, the center of the locomotive body and other positions, and the other positions can also rotate according to actual conditions.

The measuring method based on the measuring device provided by the invention can realize the measurement of any section of the outline of the locomotive body, and pay attention to the continuous change of the full size of the outline of the locomotive body, so that the manufacturing quality of the steel structure of the locomotive body is improved, and the measuring device is better suitable for various application environments.

As mentioned above, data acquisition is performed by the laser ranging sensor, the detected coordinate result is transmitted to the terminal (for example, the processing unit) through data, and the coordinate data of the measured point is selected according to the measured point arrangement rule measured by the detection device and the structure condition of the locomotive body, and specifically, the coordinate data of the measured point can be automatically selected through the terminal or manually selected by the detection personnel. And the terminal draws a curve graph of each parameter of the locomotive body according to the selected measuring point coordinate data, and the profile and the manufacturing quality of the locomotive body can be more visually seen through the curve graph. The curve diagram includes, for example, a width curve, a height curve, a side wall flatness curve, an underframe side curve, a deflection curve of the locomotive body, and the like. In addition, on the basis of each curve graph of the locomotive body, after data analysis is carried out, an accurate outline drawing of the locomotive body is drawn and used as a locomotive body check basis to be filed, and the method plays an active role in the subsequent manufacture and the on-segment operation of the locomotive.

It is noted herein that the detection devices illustrated in the drawings and described in the present specification are but a few examples of the wide variety of detection devices that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any details of the detection device or any components of the detection device shown in the drawings or described in the present specification.

In conclusion, the invention provides the detection device which is easy to manufacture and low in cost, and can realize the measurement of the outline dimension of the locomotive body and the deflection of the whole locomotive, thereby realizing the full-scale detection of the outline of the locomotive body and the drawing of an accurate outline diagram. After the deflection of the car body is prefabricated, the continuous outline dimensions of the car body are obtained through the device, and then the deflection data of the car body are obtained. The device can solve the difficulty that the appearance and deflection data of large-scale products of the locomotive cannot be detected, and provides a comprehensive data detection solution for the manufacturing and detection of the locomotive body.

Exemplary embodiments of the detection device proposed by the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the detection apparatus of the present invention has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.