CN210707063U - Bottom protection structure of lightweight carriage - Google Patents
Bottom protection structure of lightweight carriage Download PDFInfo
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- CN210707063U CN210707063U CN201921139825.6U CN201921139825U CN210707063U CN 210707063 U CN210707063 U CN 210707063U CN 201921139825 U CN201921139825 U CN 201921139825U CN 210707063 U CN210707063 U CN 210707063U
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Abstract
The utility model discloses a bottom protection structure of a light-weight carriage, which is a protection steel plate with the appearance matched with the bottom of the carriage, the protection steel plate comprises a bottom steel plate and side steel plates respectively arranged at two sides of the bottom steel plate, wherein the bottom steel plate is arranged above the carriage bottom plate and is adaptive to the size of the carriage bottom plate, a through hole is also arranged on the edge beam of the carriage bottom plate, a supporting bolt is connected in the through hole in a threaded manner, two sides of the bottom steel plate are supported on the top of the supporting bolt and the carriage edge beam, the edges of two sides of the bottom steel plate are respectively fixedly connected with two sides of the carriage bottom plate, the side steel plates are attached to the joint of the carriage bottom plate and the carriage side plates, and the lower side of the side steel plate is fixedly connected with the carriage bottom plate, and the upper side of the side steel plate is fixedly connected with the bottom of the carriage side plate. The fixed connection between the steel plate and the aluminum material is realized, and the shock resistance and the deformation resistance of the carriage bottom plate are enhanced.
Description
Technical Field
The utility model relates to lightweight carriage production technical field, concretely relates to bottom protective structure in lightweight carriage.
Background
The traditional self-discharging carriage body has two main flow structures: the rectangular carriage and the U-shaped carriage are basically the same in structure and are formed by welding or hinging a front carriage plate, a rear carriage plate, a pair of symmetrical side carriage plates and a carriage bottom plate.
At present, light weight is the mainstream of the development of a self-discharging carriage, and increasing rigidity is an effective way for meeting the geometric dimension of a carriage body, and especially, the structural strength needs to be ensured for a bottom plate which often bears the impact of goods. In traditional technology, the lightweight of carriage adopts the aluminum alloy to realize usually, avoids the direct impact to the relatively poor aluminum alloy bottom plate of anti deformability of goods, sets up the protection steel sheet in the bottom of carriage usually. However, the protective steel plate and the aluminum bed plate are made of different materials, and the protective steel plate and the aluminum bed plate cannot be directly welded and fixed, so that how to realize the connection between the steel plate and the aluminum bed plate is a difficult problem in the industry. Meanwhile, heat is generated in the welding process, and the heat can cause the loss of the strength of the base metal, so that the integral strength of the carriage bottom plate is strong.
Disclosure of Invention
The utility model aims at providing a bottom protective structure in lightweight carriage can strengthen the shock resistance and the anti deformability of carriage bottom plate to utilize T type groove and T font steel component to realize the combined use between the different material materials, to the weakening of mother metal intensity when can avoiding welding, effectively guarantee carriage bottom plate's bulk strength.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bottom protective structure of lightweight carriage, its key lies in: the bottom protective structure is the protective steel plate that appearance and carriage bottom suited, the protective steel plate includes bottom steel sheet and the side steel sheet of branch locating this bottom steel sheet both sides, wherein the bottom steel sheet sets up in the top of carriage bottom plate and suits with the size of carriage bottom plate still seted up the via hole on the boundary beam of carriage bottom plate, there is supporting bolt at this via hole female connection, the both sides of bottom steel sheet are supported on the top of this supporting bolt and carriage boundary beam, just the both sides edge of bottom steel sheet respectively with the both sides fixed connection of carriage bottom plate, the side steel sheet pastes the junction of covering in carriage bottom plate and carriage curb plate, and the downside of this side steel sheet with the carriage bottom plate is connected fixedly, the upside of side steel sheet is connected fixedly with the bottom of carriage curb plate.
Furthermore, inverted T-shaped mounting grooves are formed in the boundary beams on the left side and the right side of the platform floor respectively, the mounting grooves are arranged along the length direction of the platform, T-shaped steel connecting pieces are clamped in the mounting grooves, the transverse parts of the steel connecting pieces are clamped in the mounting grooves, the vertical parts of the steel connecting pieces are arranged upwards, the upper ends of the steel connecting pieces protrude out of the upper side edges of the mounting grooves, and the lower side edges of the bottom steel plate and the side steel plates are welded and fixed with the side walls on the two sides of the steel connecting pieces; the utility model discloses a railway carriage with side steel plate, including carriage curb plate, draw-in groove, side steel plate, the T font draw-in groove has been seted up to one side of carriage curb plate near the carriage, the built-in T word steel that is equipped with of draw-in groove, the vertical portion of T word steel stretches out the draw-in groove, the upside edge of side steel plate with the downside lateral wall welded fastening.
Further, the mounting groove is formed on one side of the side beam, which is far away from the interior of the carriage.
Furthermore, one side of the boundary beam close to the carriage is provided with a supporting step, one side of the carriage far away from the boundary beam is provided with a limiting bulge, and the mounting groove is located between the supporting step and the limiting bulge.
Furthermore, the edge beam and the mounting groove are integrally extruded and formed.
Furthermore, the section of the protective steel plate formed by connecting the bottom steel plate and the side steel plate is of a C-shaped structure.
The utility model discloses a show the effect and be: the shock resistance and the deformation resistance of the carriage bottom plate are enhanced by the arranged carriage bottom protective steel plate; meanwhile, the T-shaped mounting groove and the clamping groove are matched with the T-shaped steel connecting piece and the T-shaped steel on the side beam, so that the fixed connection between the protective steel plate at the bottom of the carriage and the aluminum carriage bottom plate is realized, the composite use of different materials is realized, and the problem that different materials cannot be directly welded and fixed in the prior art is solved; in addition, the protection steel plate is indirectly connected with the aluminum bottom plate edge beam through the connecting piece, so that the influence of welding heat on the strength of the base material of the bottom plate is avoided, and the overall strength of the carriage floor is powerfully guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1;
fig. 3 is a partially enlarged schematic view of B in fig. 1.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 3, a bottom protection structure of a lightweight car comprises an aluminum car floor 1 and car side plates 2, the bottom protection structure is a protection steel plate 3 whose shape is adapted to the car floor, the protection steel plate 3 is composed of a bottom steel plate 3a and side steel plates respectively arranged at two sides of the bottom steel plate 3a, wherein the bottom steel plate 3a is supported above the car floor 1 and adapted to the size of the car floor, a through hole (not shown) is further formed in a side beam 41 of the car floor 1, a support bolt 8 is connected in the through hole in a threaded manner, two sides of the bottom steel plate 3a are supported on the top of the support bolt 8 and the car side beam 41, and the cross section of the support bolt 8 is T-shaped in this example, so as to facilitate installation and processing; the both sides edge of bottom steel sheet 3a respectively with the boundary beam 41 fixed connection of carriage bottom plate 1 both sides, side steel sheet 3b pastes and covers in the junction of carriage bottom plate 1 and carriage curb plate 2, the downside of side steel sheet 3b with carriage bottom plate 1's boundary beam 41 is connected fixedly, its upside with the bottom of carriage curb plate 2 is connected fixedly, and concrete connected mode is as follows:
regarding the connections between the floor steel plate 3a, the side steel plates 3b, and the floor panel 1:
be formed with the mounting groove 4 that is the font of falling T on the boundary beam 41 of the 1 left and right sides of platform floor respectively, mounting groove 4 sets up along the length direction in carriage 4 inside callipers of mounting groove are equipped with T font steel connecting piece 5, the horizontal part card of steel connecting piece 5 is located in the mounting groove 4, the vertical part of steel connecting piece 5 sets up, and upper end protrusion in the upside edge of mounting groove 4, bottom steel sheet 3a, side steel sheet 3 b's downside edge and steel connecting piece 5's both sides lateral wall welded fastening.
Regarding the connection between the side steel plate 3b and the compartment side plate 2:
the utility model discloses a railway carriage with side steel plate, including carriage curb plate 2, draw-in groove 6, T font steel 7, draw-in groove 6, the vertical part of T font steel 7 stretches out draw-in groove 6, the upside edge of side steel plate 3b with the downside lateral wall welded fastening of the vertical part of T font steel 7.
As can also be seen from fig. 2, a side of the side frame 41 close to the compartment is formed with a supporting step 41a, and the supporting step 41a is used for supporting the first bottom plate body 6 and the second bottom plate body 7; a limiting bulge 41b is formed on one side of the far side carriage of the edge beam 41, and the limiting bulge 3b is used for being clamped with a carriage plate to realize the closed connection of the carriage side plate and the carriage bottom plate 1; the mounting groove 4 is located between the supporting step 41a and the limiting protrusion 41 b.
In this embodiment, the edge beam 41 and the mounting groove 4 are integrally formed by extrusion, so as to simplify the manufacturing process and enhance the structural strength of the edge beam 41.
As is well known, steel material and aluminum material can not be connected fixedly through the welded mode, so this embodiment has realized through above-mentioned connection structure that the connection of different material materials between steel sheet and the aluminum plate is fixed, has realized the combined use of different material materials, has laid the basis for realizing the lightweight and the high strength in carriage.
It should be understood that although the embodiment only describes the connection relationship between the protection steel plate 3 located at the lower part of the car and the car floor 1 and the car side plates 2, the connection manner described in this embodiment can be adopted for the remaining side edges of the protection steel plate 3 and the protection steel plates 3 located at other positions of the car, so as to achieve the connection and fixation between the steel plates and the aluminum plates.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a bottom protective structure of lightweight carriage which characterized in that: the bottom protective structure is the protective steel plate that appearance and carriage bottom suited, the protective steel plate includes bottom steel sheet and the side steel sheet of branch locating this bottom steel sheet both sides, wherein the bottom steel sheet sets up in the top of carriage bottom plate and suits with the size of carriage bottom plate still seted up the via hole on the boundary beam of carriage bottom plate, there is supporting bolt at this via hole female connection, the both sides of bottom steel sheet are supported on the top of this supporting bolt and carriage boundary beam, just the both sides edge of bottom steel sheet respectively with the both sides fixed connection of carriage bottom plate, the side steel sheet pastes the junction of covering in carriage bottom plate and carriage curb plate, and the downside of this side steel sheet with the carriage bottom plate is connected fixedly, the upside of side steel sheet is connected fixedly with the bottom of carriage curb plate.
2. The bottom protective structure of a lightweight vehicle compartment according to claim 1, characterized in that: the side beams on the left side and the right side of the carriage bottom plate are respectively provided with an inverted T-shaped mounting groove, the mounting grooves are arranged along the length direction of the carriage, T-shaped steel connecting pieces are clamped in the mounting grooves, the transverse parts of the steel connecting pieces are clamped in the mounting grooves, the vertical parts of the steel connecting pieces are arranged upwards, the upper ends of the steel connecting pieces protrude out of the upper side edges of the mounting grooves, and the lower side edges of the bottom steel plate and the side steel plates are welded and fixed with the side walls on the two sides of the steel connecting pieces; the utility model discloses a railway carriage with side steel plate, including carriage curb plate, draw-in groove, side steel plate, the T font draw-in groove has been seted up to one side of carriage curb plate near the carriage, the built-in T word steel that is equipped with of draw-in groove, the vertical portion of T word steel stretches out the draw-in groove, the upside edge of side steel plate with the downside lateral wall welded fastening.
3. The bottom protective structure of a lightweight vehicle compartment according to claim 2, characterized in that: the mounting groove is formed on one side of the side beam far away from the interior of the carriage.
4. The bottom protective structure of a lightweight vehicle compartment according to claim 2, characterized in that: one side of the boundary beam close to the carriage is provided with a supporting step, one side of the carriage far away from the boundary beam is provided with a limiting bulge, and the mounting groove is located between the supporting step and the limiting bulge.
5. The bottom protective structure for a lightweight vehicle compartment according to any one of claims 2 to 4, wherein: the edge beam and the mounting groove are integrally extruded and formed.
6. The bottom protective structure of a lightweight vehicle compartment according to claim 1, characterized in that: the section of the protective steel plate formed by connecting the bottom steel plate and the side steel plate is of a C-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139825.6U CN210707063U (en) | 2019-07-19 | 2019-07-19 | Bottom protection structure of lightweight carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139825.6U CN210707063U (en) | 2019-07-19 | 2019-07-19 | Bottom protection structure of lightweight carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707063U true CN210707063U (en) | 2020-06-09 |
Family
ID=70956273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139825.6U Active CN210707063U (en) | 2019-07-19 | 2019-07-19 | Bottom protection structure of lightweight carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707063U (en) |
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2019
- 2019-07-19 CN CN201921139825.6U patent/CN210707063U/en active Active
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| GR01 | Patent grant | ||
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Address after: 408000 Chongqing Fuling District Hefeng Avenue 43 Industrial Park standardized workshop area a No.2 workshop Patentee after: Chongqing new aluminum times Technology Co.,Ltd. Address before: 408000 Chongqing Fuling District Hefeng Avenue 43 Industrial Park standardized workshop area a No.2 workshop Patentee before: CHONGQING NANFULV TECHNOLOGY Co.,Ltd. |