CN211569974U - Supporting frame - Google Patents

Abstract

The utility model provides a support frame, include: the base comprises a first frame body and a second frame body which are arranged oppositely and a connecting piece connected between the first frame body and the second frame body, and the first frame body and the second frame body are both provided with wheel covers; the supporting wheel is movably arranged in the wheel cover in the vertical direction; and the elastic assembly is arranged between the inner wall of the wheel cover and the upper part of the support wheel. The technical scheme of this application has solved effectively that the locomotive of passenger train and rear of a vehicle department are in unsettled state among the correlation technique, has the problem of potential safety hazard among the welder operation process.

Description

Supporting frame

Technical Field

The utility model relates to a passenger train field of making particularly, relates to a support frame.

Background

As shown in figure 1, on the welding station of the welding production line of the passenger car 1, the middle underground lifting machine 2 is used for lifting the car body framework of the passenger car 1 by about 1 m, so that a welder can conveniently weld a welding seam at the bottom side. Because of the restriction of ground rail and rail transport trolley 3, the platform of machine 2 of lifting can only support the bottom skeleton at 1 middle part of passenger train, and locomotive and rear of a vehicle department all are in unsettled state, have the potential safety hazard among the welder operation process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a support frame to the locomotive and the rear of a vehicle department of passenger train all are in unsettled state among the solution correlation technique, have the problem of potential safety hazard among the welder operation process.

In order to achieve the above object, the utility model provides a support frame, include: the base comprises a first frame body and a second frame body which are arranged oppositely and a connecting piece connected between the first frame body and the second frame body, and the first frame body and the second frame body are both provided with wheel covers; the supporting wheel is movably arranged in the wheel cover in the vertical direction; and the elastic assembly is arranged between the inner wall of the wheel cover and the upper part of the support wheel.

Furthermore, the elastic component comprises a guide post arranged on the supporting wheel and an elastic piece sleeved on the guide post, and an avoiding hole for avoiding the guide post is formed in the top wall of the wheel cover.

Furthermore, the side wall of the wheel cover is provided with a strip hole, and the supporting wheel comprises a wheel frame, a roller arranged in the wheel frame and a wheel shaft arranged in the roller, the wheel frame and the strip hole in a penetrating manner.

Further, the wheel casing includes roof and lateral wall, and the lateral wall is including relative first plate body and the second plate body that sets up and the third plate body of connection between first plate body and second plate body, and the position relative with the third plate body of lateral wall is provided with the opening, and first plate body, second plate body and third plate body enclose into installation space, and the supporting wheel is located installation space.

Further, the support frame still includes back timber and screw thread subassembly, and screw thread subassembly movably sets up on first support body and/or second support body, and the back timber is connected with screw thread subassembly detachably.

Further, be provided with the arch on the back timber, threaded component is including setting up screw on first support body and/or second support body, setting up the bolt in the screw, supporting pivot seat on the bolt and wear to establish the anticreep spare in arch and pivot seat.

Furthermore, the bottom of the pivot seat is provided with a blind hole, and one part of the bolt is in clearance fit with the blind hole.

Furthermore, a first pivot hole is formed in the protrusion, a second pivot hole is formed in the pivot seat, the anti-falling part is a pin shaft, and the pin shaft penetrates through the first pivot hole and the second pivot hole.

Further, the first pivot hole is a strip-shaped hole.

Further, the first frame body and the second frame body are both hollow structures; the first frame body comprises a plurality of first frame bodies and first support legs arranged on the first frame bodies, and the first frame bodies and the first support legs are arranged in a bending mode; the second support body includes a plurality of second body frames and sets up the second landing leg on each second body frame, and second body frame and second landing leg are buckled and are set up.

Use the technical scheme of the utility model, the support frame includes: base, supporting wheel and elastic component. The base includes relative first support body and the connecting piece of connection between first support body and second support body that sets up and second support body. Wheel covers are arranged on the first frame body and the second frame body. The support wheel is movably arranged in the wheel cover in the vertical direction. The elastic component is arranged between the inner wall of the wheel cover and the upper part of the supporting wheel. When the supporting frame is unloaded, under the effect of elastic component, the supporting wheel removes in order to bulge the wheel casing outside, and the wheel casing is unsettled at this moment and not contact with ground. Under the action of the supporting wheels, a welder can move the supporting frame to the bottom framework of the head and/or the tail of the vehicle; when the support frame bears the automobile body skeleton of passenger train, under the action of gravity of automobile body skeleton, elastic component receives the compression to make the supporting wheel be located the wheel casing, make wheel casing contact ground, and can increase the friction between support frame and the ground, the support frame auto-lock can not remove. Like this, the bottom skeleton of locomotive and/or rear of a vehicle can be supported to the support frame, avoids the automobile body skeleton unexpected slip, has eliminated the problem that has the potential safety hazard among the welder operation process, and then has reduced workshop production incident's probability effectively. Therefore, the technical scheme of the application has solved effectively that the locomotive of passenger train and rear of a vehicle department are all in unsettled state among the correlation technique, have the problem of potential safety hazard among the welder operation process.

Drawings

The accompanying drawings, which form a part of the present application, 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 partial schematic view showing a welding line of a passenger car in the related art;

fig. 2 shows a schematic perspective view of an embodiment of a support according to the present invention;

FIG. 3 shows a schematic front view of the support stand of FIG. 2; and

fig. 4 shows a left side schematic view of the support stand of fig. 2.

Wherein the figures include the following reference numerals:

1. a passenger car; 2. a lifter; 3. a rail transport trolley; 10. a base; 11. a first frame body; 111. a first main frame; 112. a first leg; 12. a second frame body; 121. a second main frame; 122. a second leg; 13. a connecting member; 14. a wheel cover; 141. a strip hole; 142. a top wall; 143. a first plate body; 144. a second plate body; 145. a third plate body; 20. a top beam; 21. a protrusion; 211. a first pivot hole; 30. a support wheel; 31. a wheel carrier; 32. a roller; 33. a wheel axle; 40. an elastic component; 41. a guide post; 42. an elastic member; 50. a threaded assembly; 51. a bolt; 52. a pivoting seat; 53. and (4) a drop-proof piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 2 to 3, the support frame of the present embodiment includes: base 10, support wheels 30 and resilient assembly 40. The base 10 includes a first frame 11 and a second frame 12 which are oppositely disposed, and a connecting member 13 connected between the first frame 11 and the second frame 12. The first frame body 11 and the second frame body 12 are both provided with wheel covers 14. The support wheel 30 is disposed movably in the vertical direction inside the wheel house 14. The resilient assembly 40 is disposed between the inner wall of the wheel cover 14 and above the support wheel 30.

By applying the technical solution of this embodiment, the wheel covers 14 are disposed on the first frame body 11 and the second frame body 12. The support wheel 30 is disposed movably in the vertical direction inside the wheel house 14. The resilient assembly 40 is disposed between the inner wall of the wheel cover 14 and above the support wheel 30. When the support frame is unloaded, the support wheel 30 moves to protrude out of the wheel cover 14 under the action of the elastic component 40, and the wheel cover 14 is suspended and does not contact with the ground. Under the action of the supporting wheels 30, a welder can move the supporting frame to the bottom frameworks of the head and the tail of the vehicle; when the support frame bears the automobile body skeleton of passenger train, under the action of gravity of automobile body skeleton, elastic component 40 receives the compression to make supporting wheel 30 be located the wheel casing, make wheel casing 14 contact ground, and can increase the friction between support frame and the ground, the support frame auto-lock can not remove. Like this, the bottom skeleton of locomotive and rear of a vehicle can be supported to the support frame, avoids the automobile body skeleton unexpected slip, has eliminated the problem that has the potential safety hazard among the welder operation process, and then has reduced workshop production incident's probability of appearance effectively. Therefore, the technical scheme of this embodiment has solved effectively that the locomotive of passenger train and rear of a vehicle department are in unsettled state among the relevant art, has the problem of potential safety hazard among the welder operation process.

It should be noted that, according to the requirement of supporting the passenger car, the support frame can only be supported at the bottom frame of the car head, can only be supported at the bottom frame of the car tail, and certainly can also be placed and supported at the bottom frames of the car head and the car tail. The structural strength of the support frame can support the car body framework of about 4 tons, the car body is prevented from accidentally slipping, and the safety of welder personnel is ensured.

In the present embodiment, the number of the connecting members 13 is preferably four, and the four connecting members 13 are arranged at intervals. This ensures the coupling strength between the first frame 11 and the second frame 12. The support wheels 30 and the resilient assemblies 40 are preferably four each.

As shown in fig. 2 and 4, in the present embodiment, the elastic member 40 includes a guide post 41 disposed on the support wheel 30 and an elastic member 42 fitted over the guide post 41. An avoidance hole for avoiding the guide post 41 is provided on the top wall of the wheel cover 14. The guide posts 41 are provided for positioning the elastic members 42 to facilitate the installation of the elastic members 42. The avoidance hole is arranged so that the guide post 41 does not interfere with the top wall of the wheel cover 14 during movement. The elastic member 42 of the present embodiment is preferably a compression spring.

As shown in fig. 2 and 3, in the present embodiment, the side wall of the wheel housing 14 is provided with a long hole 141, and the supporting wheel 30 includes a wheel frame 31, a roller 32 disposed in the wheel frame 31, and a wheel axle 33 disposed through the roller 32, the wheel frame 31, and the long hole 141. The long hole 141 is provided to enable the axle 33 to have a certain moving range, so that the axle 33 drives the wheel frame 31 and the roller 32 to move together in the moving process.

As shown in fig. 2 and 4, in the present embodiment, the wheel cover 14 includes a top wall 142 and side walls. The side wall includes a first plate 143 and a second plate 144 disposed opposite to each other, and a third plate 145 connected between the first plate 143 and the second plate 144. In the process of moving the support frame, an opening is formed in the position of the side wall opposite to the third plate 145. The third plate 145 can block foreign materials on the ground and prevent the foreign materials from entering the wheel house 14. The openings provide direct visibility of the support wheel 30 from the exterior of the wheel cover 14 for easy access by a welder. The first plate 143, the second plate 144, and the third plate 145 enclose an installation space, and the support wheel 30 is located in the installation space. The installation space is provided to facilitate installation of the support wheel 30 in the wheel housing 14.

As shown in fig. 2 to 4, in this embodiment, the support frame further includes a top beam 20 and a screw assembly 50, the screw assembly 50 is movably disposed on the first frame body 11 and the second frame body 12, and the top beam 20 is detachably connected to the screw assembly 50. The threaded assembly 50 can support the cap 20, on the one hand, and the cap 20 can be adjusted in height by the threaded assembly 50, on the other hand. Such that the cooperation of the header 20 and the threaded assembly 50 can support different models of passenger vehicles or different configurations of the underlying frame.

Of course, in the embodiment not shown in the drawings, the screw assembly may be movably disposed on one of the first frame body or the second frame body, and the pivot assembly may be disposed on the other of the first frame body or the second frame body, and one end of the top beam can be rotated around the other end to achieve height adjustment during height adjustment of the top beam.

As shown in fig. 2 to 4, the top beam 20 is provided with a protrusion 21, and the screw assembly 50 includes screw holes provided on the first frame body 11 and the second frame body 12, a bolt 51 provided in the screw holes, a pivot seat 52 supported on the bolt, and a retaining member 53 inserted in the protrusion 21 and the pivot seat 52. The screw hole, the bolt 51, the pivoting seat 52, the protrusion 21 and the anti-falling piece 53 are matched with each other, so that the structure is simple, the processing is convenient, and the cost is lower. In this embodiment, the screw assembly 50 includes a first screw assembly disposed on the first frame 11 and a second screw assembly disposed on the second frame 12. The first and second screw assemblies each include a screw hole, a bolt 51, a pivot seat 52, a protrusion 21, and a retaining member 53. When the bolt 51 in the first threaded assembly and the second threaded assembly is rotated, the top beam 20 can be adjusted up and down, and the bolt 51 rotates in the pivot seat 52, so that the requirement that the top beam 20 supports passenger cars of various types is met, and the universality is high. The first threaded assembly and the second threaded assembly of the embodiment can respectively adjust the heights of two ends of the top beam 20 and stably support the vehicle body framework so as to meet the use requirement of uneven ground.

Of course, in the embodiment shown in the figures, the screw hole, the bolt, the pivot seat and the protrusion on the first frame or the second frame are all one, so that the top beam at the first frame or the second frame can be adjusted in height.

As shown in fig. 2 and 3, in the present embodiment, a blind hole is provided on the bottom of the pivot base 52, and a part of the bolt 51 is clearance-fitted to the blind hole. The blind hole is arranged to enable the bolt 51 to rotate relative to the pivot seat 52, so that the height of the top beam 20 can be conveniently adjusted.

As shown in fig. 2 and 3, in the present embodiment, the projection 21 is provided with a first pivot hole 211. The pivot base 52 is provided with a second pivot hole. The anti-slip member 53 is a pin. The pin shaft is inserted into the first pivot hole 211 and the second pivot hole. The cooperation of the first pivot hole 211, the second pivot hole and the pin shaft makes the structure of the screw assembly 50 simpler.

As shown in fig. 2 and 3, in the present embodiment, the first pivot hole 211 is a strip-shaped hole. When the ground is uneven, the bolt 51 in the first threaded assembly and the anti-falling part 53 in the first threaded assembly can slide in the first pivot hole 211, fine adjustment can be achieved, so that the bolt 51 of the first threaded assembly and the bolt 51 of the second threaded assembly have a height difference, the top beam 20 is ensured to be flush, and then the support frame can stably support the vehicle body framework.

As shown in fig. 2 and 4, in the present embodiment, the first frame 11 and the second frame 12 are both hollow. The support frame is light in weight due to the hollow structure, can be quickly moved only by one person, reduces the labor intensity of manual carrying, and is light and convenient to use. When the top wall of the wheel house 14 escapes from the guide post 41, the first frame body 11 and the second frame body 12 can also escape from the guide post 41.

As shown in fig. 2 and 4, in the present embodiment, the first frame body 11 includes two first main frames 111 and first legs 112 provided on the respective first main frames 111, and the first main frames 111 and the first legs 112 are bent. The bending arrangement enables the distance between the two supporting wheels 30 to be short, so that the first frame body 11 can be supported better, and meanwhile, the structural strength of the first frame body 11 can be guaranteed. The second frame body 12 includes two second main frames 121 and second support legs 122 disposed on the second main frames 121, and the second main frames 121 and the second support legs 122 are bent. The bending arrangement enables the distance between the two support wheels 30 to be short, so that the second frame body 12 can be better supported, and meanwhile, the structural strength of the second frame body 12 can be guaranteed.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A support frame, comprising:

the base (10) comprises a first frame body (11) and a second frame body (12) which are arranged oppositely and a connecting piece (13) connected between the first frame body (11) and the second frame body (12), and the first frame body (11) and the second frame body (12) are both provided with wheel covers (14);

a support wheel (30) disposed inside the wheel housing (14) movably in a vertical direction;

an elastic member (40) disposed between an inner wall of the wheel housing (14) and above the support wheel (30).

2. A support frame as claimed in claim 1, wherein the resilient assembly (40) comprises a guide post (41) arranged on the support wheel (30) and a resilient member (42) arranged on the guide post (41) and sleeved thereon, and an avoiding hole for avoiding the guide post (41) is arranged on the top wall of the wheel cover (14).

3. The supporting frame as claimed in claim 1, wherein the side wall of the wheel housing (14) is provided with a long hole (141), and the supporting wheel (30) comprises a wheel frame (31), a roller (32) arranged in the wheel frame (31), and a wheel shaft (33) passing through the roller (32), the wheel frame (31) and the long hole (141).

4. The support bracket of claim 1, wherein the wheel cover (14) comprises a top wall (142) and a side wall, the side wall comprises a first plate body (143) and a second plate body (144) which are arranged oppositely and a third plate body (145) connected between the first plate body (143) and the second plate body (144), an opening is arranged at a position of the side wall opposite to the third plate body (145), the first plate body (143), the second plate body (144) and the third plate body (145) enclose an installation space, and the support wheel (30) is located in the installation space.

5. The support frame of claim 1, further comprising a top beam (20) and a screw assembly (50), wherein the screw assembly (50) is movably disposed on the first frame body (11) and/or the second frame body (12), and the top beam (20) is detachably connected with the screw assembly (50).

6. The supporting frame as claimed in claim 5, characterized in that the top beam (20) is provided with a protrusion (21), and the screw assembly (50) comprises a screw hole provided on the first frame body (11) and/or the second frame body (12), a bolt (51) provided in the screw hole, a pivot seat (52) supported on the bolt, and a separation preventing member (53) inserted in the protrusion (21) and the pivot seat (52).

7. Support frame according to claim 6, characterized in that the pivot seat (52) is provided with a blind hole on its bottom, a part of the bolt (51) being clearance fitted with the blind hole.

8. The supporting bracket as claimed in claim 6, characterized in that the protrusion (21) is provided with a first pivot hole (211), the pivot seat (52) is provided with a second pivot hole, and the anti-drop member (53) is a pin shaft which is inserted into the first pivot hole (211) and the second pivot hole.

9. The support bracket of claim 8 wherein the first pivot hole (211) is a strip hole.

10. A support frame as claimed in claim 1, characterised in that the first frame (11) and the second frame (12) are both hollow; the first frame body (11) comprises a plurality of first main frames (111) and first support legs (112) arranged on the first main frames (111), and the first main frames (111) and the first support legs (112) are arranged in a bending mode; the second frame body (12) comprises a plurality of second main frames (121) and second support legs (122) arranged on the second main frames (121), and the second main frames (121) and the second support legs (122) are arranged in a bending mode.

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