CN113941813A

CN113941813A - Sleeper beam assembly welding positioning frame, assembly welding device and method

Info

Publication number: CN113941813A
Application number: CN202111340208.4A
Authority: CN
Inventors: 黄祎; 尹雪峰; 宾健; 胡江; 杨钱; 邹红亮; 刘成艺; 姚元文; 刘建华; 范一
Original assignee: CRRC Zhuzhou Vehicle Co Ltd
Current assignee: CRRC Zhuzhou Vehicle Co Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-01-18
Anticipated expiration: 2041-11-12
Also published as: CN113941813B

Abstract

The invention discloses a sleeper beam assembly welding locating rack, an assembly welding device and a method, wherein the locating rack is used for assembling a sleeper beam, the locating rack comprises a support and two groups of locating groups which are respectively used for clamping two webs, the two locating groups are respectively arranged on two sides of the support in a first direction, each group of locating groups comprises a plurality of locating mechanisms which are sequentially arranged along the first direction, each locating mechanism comprises a locating component and a limiting component, the locating component and the limiting component are fixedly arranged on the support, the limiting component is provided with a telescopic end which is telescopic along a second direction, and the telescopic end of the limiting component is operable to be close to the locating component along the second direction so that the limiting component and the locating component can jointly clamp the corresponding webs; the first direction is vertical to the second direction; the assembling and welding device comprises a sleeper beam assembling table and a positioning frame; the assembly welding method is a method using an assembly welding device. The invention has the advantages of accurate web positioning, convenient positioning frame taking out and no influence on the welded web.

Description

Sleeper beam assembly welding positioning frame, assembly welding device and method

Technical Field

The invention belongs to the technical field of sleeper beam welding equipment, and particularly relates to a sleeper beam assembly welding positioning frame, an assembly welding device and an assembly welding method.

Background

The sleeper beam is formed by assembling and welding parts such as a bottom plate, a web plate, a reinforcing plate, a rib plate and the like, and when the sleeper beam is assembled by adopting the traditional tool, the relative position precision of the two web plates is low, and the relative perpendicularity and straightness deviation of the web plate and the bottom plate are large, so that the web plates are easy to deform during welding, the finished sleeper beam is low in qualification rate, and the welding efficiency is low.

Disclosure of Invention

The technical problems that traditional tools are low in assembly efficiency and finished sleeper beam products are low in qualified rate are solved to a certain extent, and therefore the sleeper beam assembly welding locating frame, the assembly welding device and the method are provided.

The technical scheme of the application is as follows:

a sleeper beam assembly welding locating frame is used for assembling a sleeper beam, the sleeper beam comprises a bottom plate and two webs oppositely arranged on the bottom plate, and the sleeper beam assembly welding locating frame comprises:

a support;

the two positioning groups are respectively used for clamping two webs and are respectively arranged on two sides of the bracket in the first direction, each positioning group comprises a plurality of positioning mechanisms which are sequentially arranged along the first direction, each positioning mechanism comprises a positioning component and a limiting component, the positioning components and the limiting components are fixedly arranged on the bracket, each limiting component is provided with a telescopic end which can be stretched along the second direction, and the telescopic end of each limiting component can be close to the positioning component along the second direction in an operable manner, so that the limiting component and the positioning components can clamp the corresponding webs together;

the first direction and the second direction are perpendicular.

In some embodiments, the positioning mechanisms of the first positioning group are in one-to-one correspondence with the positioning mechanisms of the second positioning group.

In some embodiments, the positioning assembly includes a first positioning block, one end of the first positioning block is fixedly connected to the bracket, a positioning surface is disposed on one side of the first positioning block facing the limiting assembly, and a normal of the positioning surface is parallel to the second direction.

In some embodiments, the length of the first positioning block in the second direction increases in a direction approaching the bracket.

In some embodiments, the bracket further comprises a third direction perpendicular to the first direction and the second direction, and the length of the first positioning block along the third direction is not less than half of the width of the corresponding position of the web.

In some embodiments, the limiting assembly includes a supporting seat and a screw rod, the supporting seat is fixedly disposed on the bracket, the screw rod is rotatably disposed on the supporting seat, and an axial direction of the screw rod is parallel to the second direction.

In some embodiments, the lead screw has relative first end and second end, the first end of lead screw is equipped with the handle, the second end of lead screw is equipped with the stopper, the stopper orientation one side of locating component is equipped with spacing face, the normal of spacing face with the second direction is parallel, spacing face with the locating surface sets up relatively.

In some embodiments, the bracket comprises two longitudinal beams arranged in parallel and at least one cross beam connecting the two longitudinal beams;

the side surfaces of the longitudinal beams are flush with the side surfaces of the cross beams.

The system comprises a sleeper beam assembling table and the sleeper beam assembling and welding positioning frame, wherein a plurality of bottom plate positioning mechanisms are arranged on the sleeper beam assembling table.

A sleeper beam assembling and welding method is applied to the sleeper beam assembling and welding device and comprises the following steps:

assembling a bottom plate on the sleeper beam assembling table;

hoisting two webs to the top surface of the bottom plate;

hoisting the sleeper beam assembly welding positioning frame to the top ends of the two webs to enable the webs to be located between the positioning assemblies and the limiting assemblies of the positioning mechanisms of each group of positioning groups;

operating the limiting assemblies of each positioning group to enable the positioning mechanisms of the positioning groups to clamp the corresponding webs;

assembling the web plate and the bottom plate to complete the assembling operation of the sleeper beam;

when the welding line is cooled to normal temperature, the assembled sleeper beam and the sleeper beam assembly welding positioning frame are lifted away from a sleeper beam assembly table;

and separating the welded sleeper beam from the sleeper beam assembly welding positioning frame.

The embodiment of the application has at least the following beneficial effects:

according to the technical scheme, in the sleeper beam assembly welding positioning frame, the assembly welding device and the method, the web plates are respectively clamped through the positioning mechanisms of the first positioning group and the second positioning group which are arranged on the positioning frame in the same direction, so that the positioning is accurate and the welding of the web plates is facilitated; when dismantling the locating rack, the micro deformation of web does not influence taking out of locating rack, and the process of taking out the locating rack can not influence the welding effect of web, has ensured the welding precision of web, and the web that welds well also can not lead to the fact the influence to the locating rack, makes the locating precision of locating rack can keep accurate, long service life in the longer time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view showing a spacer and a bolster in embodiment 1 of the present application;

FIG. 2 shows a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 shows a schematic view of the structure of FIG. 1 from another perspective;

FIG. 4 shows a schematic view of the structure of FIG. 1 from another perspective;

FIG. 5 is a schematic flow chart illustrating a sleeper beam assembly welding method in embodiment 3 of the present application;

the labels in the figure are: 100-bracket, 101-longitudinal beam, 102-cross beam, 103-longitudinal beam rib plate, 104-cross beam rib plate, 200-positioning component, 300-limiting component, 301-supporting seat, 302-screw rod, 303-handle, 304-limiting block, 400-first web plate, 500-second web plate and 600-bottom plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Fig. 1 is a schematic perspective view showing a spacer and a bolster in embodiment 1 of the present application; FIG. 2 shows a schematic view of the structure of FIG. 1 from another perspective; FIG. 3 shows a schematic view of the structure of FIG. 1 from another perspective; FIG. 4 shows a schematic view of the structure of FIG. 1 from another perspective; FIG. 5 is a schematic flow chart illustrating a sleeper beam assembly welding method in embodiment 3 of the present application;

the application is described below with reference to specific embodiments in conjunction with the following drawings:

example 1

As shown in fig. 1-4, the present embodiment provides a sleeper beam assembly welding positioner, which includes a bracket 100 and a positioning mechanism.

The stent 100 has a first direction and a second direction perpendicular to each other, and it is understood that the first direction and the second direction may be a length direction and a width direction of the stent 100.

Referring to fig. 1-3, the positioning mechanism is disposed on the bracket 100, the positioning mechanism includes a positioning assembly 200 and a limiting assembly 300, both the positioning assembly 200 and the limiting assembly 300 are fixedly mounted on the bracket 100, the limiting assembly 300 has a telescopic end which is telescopic along a second direction, and the limiting assembly 300 is operable to approach the positioning assembly 200 along the second direction, so that the limiting assembly 300 and the positioning assembly 200 can clamp a corresponding web together.

Referring to fig. 1 and 2, the sleeper beam includes a bottom plate 600 and two webs oppositely disposed on the bottom plate 600, the two webs are a first web 400 and a second web 500 respectively, thereby, two positioning groups are disposed on the bracket 100, the two positioning groups are a first positioning group and a second positioning group respectively, the first positioning group includes at least one positioning mechanism for clamping the first web 400; the second positioning group comprises at least one positioning mechanism for clamping the second web 500; the first and second positioning groups are respectively disposed at both sides of the bracket 100 in the first direction such that the first and

second webs

400 and 500 are parallel to each other.

Referring to fig. 2, the positioning mechanisms of the first positioning group and the positioning mechanisms of the second positioning group are arranged in the same direction, that is, the limiting assembly 300 and the positioning assembly 200 of each positioning mechanism on the bracket 100 are sequentially arranged along the second direction.

Referring to fig. 2, when the corbel assembly welding jig in this embodiment is used, the distance between the positioning assemblies 200 and the limiting assemblies 300 in the first positioning group and the second positioning group is adjusted, so that the end of the first web 400 can be clamped between the positioning assemblies 200 and the limiting assemblies 300 in the first positioning group, the end of the second web 500 can be clamped between the positioning assemblies 200 and the limiting assemblies 300 in the second positioning group, and each limiting assembly 300 is driven to move towards the corresponding positioning assembly 200 along the second direction, so that the first positioning group can clamp the first web 400, and the second positioning group can clamp the second web 500. After the installation of first web 400, second web 500 and bottom plate 600 is accomplished, when the locating rack needs to be dismantled, drive each spacing subassembly 300 and keep away from corresponding locating component 200, at this moment, the interval between spacing subassembly 300 and the locating component 200 is big, and the interval between spacing subassembly 300 and the web all lies in same one side, when taking out the locating rack from the web that the welding is good, lift support 100 and make support 100 along the reverse removal of second direction, make the web not contact with positioning mechanism after, can easily take off the locating rack from the web.

After the corbel assembly welding was accomplished, because produce welding stress, the web takes place the microdeformation and can lead to the web to produce a clamp force to every group setpoint, this embodiment is through the positioning mechanism of the first positioning group and the positioning mechanism of second positioning group that the syntropy set up, when dismantling the locating rack, the microdeformation of web does not influence taking out of locating rack, the process of taking out the locating rack can not influence the welding effect of web, the welding precision of web has been promoted, the web that welds well also can not lead to the fact the influence to the locating rack, the positioning precision that makes the locating rack can keep accurate in the longer time, long service life.

It can be understood, if the area of contact of positioning mechanism and web is great, then first positioning group can only include that a positioning mechanism just can obtain the location effect that satisfies the location demand, in order to further improve the positioning mechanism to the location effect of web, refer to fig. 1, first positioning group includes positioning mechanism more than two in this embodiment, positioning mechanism more than two sets up along the first direction interval of support 100, through the multiple spot location, can realize the location to the lateral wall homoenergetic of the direction of web length, fix a position more accurately.

The positioning frame needs to be erected on the web plate when in use, so that referring to fig. 1, the second positioning group also comprises more than two positioning mechanisms, and the positioning mechanisms of the first positioning group and the positioning mechanisms of the second positioning group are in one-to-one correspondence, so that the stress of the first web plate 400 and the stress of the second web plate 500 are balanced.

Referring to fig. 1 and 2, the positioning assembly 200 in this embodiment includes a first positioning block, one end of the first positioning block is fixedly connected to the bracket 100, a positioning surface is disposed on one side of the first positioning block facing the limiting assembly 300, and a normal of the positioning surface is parallel to the second direction, so that when the web side wall is attached to the positioning surface, the position of the web relative to the bracket 100 can meet the positioning requirement.

Referring to fig. 2, the length of the first positioning block in the second direction increases progressively along the direction close to the bracket 100, that is, the first positioning block can be triangular or fan-shaped, so that the material consumption of the first positioning block is reduced, the weight of the positioning frame is reduced, and the positioning frame conforms to engineering mechanics.

The web on the prior art sleeper beam has opposite first end and second end along its length direction, and the width of the second end of web is more than the width of first end, therefore, in order to improve the location effect of locating component 200 to the web, first locating piece can be customized according to the shape of web, and support 100 still includes the third direction, and the third direction is perpendicular to first direction and second direction respectively, refer to fig. 1 and 2, and the length of first locating piece along the third direction is not less than half of the corresponding position width of web.

Referring to fig. 2, the limiting assembly 300 includes a supporting seat 301 and a screw rod 302, the supporting seat 301 is fixedly disposed on the bracket 100, the screw rod 302 is rotatably disposed on the supporting seat 301, an axial direction of the screw rod 302 is parallel to the second direction, the screw rod 302 is rotated to enable the screw rod 302 to be close to the positioning assembly 200, specifically, the screw rod 302 has a first end and a second end opposite to each other along a length direction thereof, the first end of the screw rod 302 can be provided with a handle 303 facilitating to rotate the screw rod 302, the second end of the screw rod 302 can be provided with a limiting block 304, the limiting block 304 has a limiting surface, a normal line of the limiting surface is parallel to the second direction, the limiting surface is opposite to the positioning surface, that is, the limiting surface is parallel to the positioning surface, and an area of the limiting surface is larger than an area of an end of the screw rod 302, so as to increase a contact area between the limiting assembly 300 and a web.

Referring to fig. 1 and 4, the bracket 100 includes two longitudinal beams 101 and at least one cross beam 102, the two longitudinal beams 101 are disposed in parallel, and the cross beam 102 connects the two longitudinal beams 101, so as to improve the integrity of the spacer and the convenience of use of the spacer. The side of the longitudinal beam 101 facing the bottom plate 600 is flush with the side of the cross beam 102 facing the bottom plate 600, so that the side wall of the longitudinal beam 101 and the side wall of the cross beam 102 can be provided with the positioning assembly 200 and the limiting assembly 300. It will be appreciated that, with reference to FIG. 1, in the present embodiment, where there are three positioning mechanisms in the first positioning group, three beams 102 may be provided on the bracket 100.

Further, in order to improve the strength and stability of the whole mechanism of the bracket 100, referring to fig. 1, the side wall of the longitudinal beam 101 facing away from the bottom plate 600 is provided with a longitudinal rib plate, the side wall of the cross beam 102 facing away from the bottom plate 600 is provided with a transverse rib plate, and the longitudinal rib plate and the transverse rib plate are connected with each other, so as to further enhance the deformation resistance of the bracket 100 and prolong the service life of the positioning frame.

Example 2

This embodiment 1 provides a sleeper beam assembly welding device, and the system includes sleeper beam assembly bench and the sleeper beam assembly welding location in embodiment 1, and the fixed bottom plate 600 positioning mechanism and the web positioning mechanism that are equipped with in the sleeper beam assembly bench, bottom plate 600 positioning mechanism are used for spacing and fixed the bottom plate 600 of sleeper beam, and web positioning mechanism is used for carrying out preliminary location to the web to make first web 400 and second web 500 be fixed a position to waiting to install the department.

Example 3

A sleeper beam assembly welding method applied to the sleeper beam assembly welding apparatus in embodiment 2, comprising the steps of, with reference to fig. 5:

step 1: the base plate 600 is assembled on the sleeper beam assembling table.

The bottom plate 600 is fixed by a bottom plate 600 positioning mechanism of the bolster assembly table.

Step 2: and hoisting the two webs to the top surface of the bottom plate.

The web is preliminarily positioned by the web positioning mechanism so that the first web 400 and the second web 500 are respectively placed at corresponding positions of the bottom plate 600.

And step 3: hoisting the sleeper beam assembly welding positioning frame to the top ends of the two webs, and enabling the webs to be located between the positioning assembly 200 and the limiting assembly 300 of the positioning mechanism of each positioning group;

and 4, step 4: the limiting assemblies 300 of each positioning group are operated to enable the positioning mechanisms of the positioning groups to clamp the corresponding webs.

In step 3 and step 4, the top end of the first web 400 and the top end of the second web 500 are both in contact with the bracket 100 of the positioning frame, that is, the first web 400 and the second web 500 support the positioning frame together, and the positioning frame accurately positions and limits the first web 400 and the second web 500 through the positioning structure, and the support and the positioning of the sleeper beam welding are completed through the sleeper beam assembling table and the positioning frame.

And 5: and welding the web plate and the bottom plate 600 to complete the welding operation of the sleeper beam.

Because the thermal deformation exists in the web plate gusset of sleeper beam when the welding, from this, before sleeper beam welding is accomplished, the locating rack sets up all the time on first web 400 and second web 500 to reduce the deformation that welding process produced, improve sleeper beam's welding precision, promote sleeper beam's finished product qualification rate. It will be appreciated that in order to further reduce thermal distortion, tack welding may be performed only between the web and the base plate 600, followed by a welding operation.

Step 6: and when the welding line is cooled to normal temperature, lifting the welded sleeper beam and the sleeper beam assembly welding positioning frame away from the sleeper beam assembly table.

And 7: and separating the welded sleeper beam from the sleeper beam assembly welding positioning frame.

In addition, the sleeper beam can also include reinforcing plate and gusset, for the convenience of welding, still can use the turn-over welding platform in the welding process, specifically include step 601: and (4) hoisting the welded sleeper beam and the sleeper beam assembly welding positioning frame to a welding overturning platform, and carrying out secondary welding operation.

Specifically, after the positioning frame and the sleeper beam are hoisted into the overturning welding table, the overturning welding table is overturned to enable the welding seam to be in a ship-shaped welding position, and the welding seam of the web plate and the sleeper beam bottom plate 600 is welded; turning the welding table to be normal, and performing positioning welding on accessories such as reinforcing plates, rib plates and the like of the sleeper beam; turning over the welding table to enable the welding seam to be in a flat fillet welding position, and welding accessories such as reinforcing plates, rib plates and the like of the sleeper beam; and (3) turning the sleeper beam over and welding the positioner, separating the positioning frame from the over-welding table along with the sleeper beam, placing the sleeper beam into the area to be detected to clean spatters, and separating the welded sleeper beam from the sleeper beam assembly welding positioning frame when the temperature of the welding line is cooled to normal temperature, so that the assembly and welding of the sleeper beam are completed.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise" indicate orientations or positional relationships based on the orientation or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A sleeper beam assembly welding locating rack for the assembly of sleeper beams, the sleeper beam includes bottom plate and two relative settings web on the bottom plate, its characterized in that includes:

a support;

the first direction and the second direction are perpendicular.

2. The tie beam assembly welding positioner of claim 1, wherein the positioning mechanisms of the first positioning group are in one-to-one correspondence with the positioning mechanisms of the second positioning group.

3. The assembly welding positioning frame for the sleeper beam according to claim 1, wherein the positioning assembly comprises a first positioning block, one end of the first positioning block is fixedly connected with the support, one side, facing the limiting assembly, of the first positioning block is provided with a positioning surface, and a normal line of the positioning surface is parallel to the second direction.

4. The tie beam assembly and welding spacer of claim 3, wherein the length of the first spacer in the second direction increases in a direction approaching the bracket.

5. The assembly welding spacer of claim 4, wherein the bracket further comprises a third direction perpendicular to the first and second directions, respectively, and a length of the first positioning block along the third direction is not less than half a width of a corresponding position of the web.

6. The assembly welding positioning frame for the sleeper beam as defined in claim 1, wherein the limiting assembly comprises a supporting seat and a lead screw, the supporting seat is fixedly arranged on the bracket, the lead screw is rotatably arranged on the supporting seat, and the axial direction of the lead screw is parallel to the second direction.

7. The assembly welding positioning frame for a sleeper beam as defined in claim 6, wherein the screw rod has a first end and a second end which are opposite to each other, the first end of the screw rod is provided with a handle, the second end of the screw rod is provided with a limiting block, one side of the limiting block facing the positioning assembly is provided with a limiting surface, a normal line of the limiting surface is parallel to the second direction, and the limiting surface is opposite to the positioning surface.

8. The assembly welding spacer of claim 1, wherein said bracket comprises two longitudinal beams and at least one cross beam, said longitudinal beams being disposed in parallel, said cross beam connecting said longitudinal beams;

9. A sleeper beam assembly welding apparatus, characterized in that the system comprises a sleeper beam assembly table on which a plurality of floor positioning mechanisms are provided, and a sleeper beam assembly welding jig according to claims 1 to 8.

10. A sleeper beam assembly welding method characterized by being applied to the sleeper beam assembly welding apparatus according to claim 9, comprising the steps of:

assembling a bottom plate on the sleeper beam assembling table;

hoisting two webs to the top surface of the bottom plate;

welding the web plate and the bottom plate to complete the welding operation of the sleeper beam;