CN220220539U - Joist assembly structure for fire truck tank body and fire truck using same - Google Patents
Joist assembly structure for fire truck tank body and fire truck using same Download PDFInfo
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- CN220220539U CN220220539U CN202320405845.3U CN202320405845U CN220220539U CN 220220539 U CN220220539 U CN 220220539U CN 202320405845 U CN202320405845 U CN 202320405845U CN 220220539 U CN220220539 U CN 220220539U
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- joist
- reinforcing plate
- fire truck
- longitudinal
- assembly structure
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 80
- 238000003466 welding Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000004927 fusion Effects 0.000 claims abstract description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to the technical field of vehicle structures, and particularly discloses a joist assembly structure for a fire truck tank body and a fire truck using the same. It comprises the following steps: at least two vertical joists, two vertical joist parallel arrangement, two one side that vertical joist kept away from each other is connected with outside reinforcing plate, two one side that vertical joist kept close to each other is connected with inboard reinforcing plate, the top of vertical joist, outside reinforcing plate and inboard reinforcing plate all is connected with jar body bottom, but vertical joist, outside reinforcing plate and inboard reinforcing plate are fusion welding's nonmetallic material. Compared with the prior art, the utility model has the advantages that the welding structure has light weight, can be connected and fixed with the fire truck tank body which is made of nonmetal materials in a welding way, and greatly improves the damage condition of the welding part of the tank body and the joist assembly by arranging the outer reinforcing plates and the inner reinforcing plates on the two sides of the longitudinal joist.
Description
Technical Field
The utility model relates to the technical field of vehicle structures, and particularly discloses a joist assembly structure for a fire truck tank body and a fire truck using the same.
Background
The fire engine is a vehicle for fire extinguishment, auxiliary fire extinguishment or fire rescue, and common types of fire engines comprise a water tank fire engine, a foam fire engine, a dry powder fire engine, an aerial ladder ascending fire engine and the like, wherein the fire engines carrying fire extinguishing materials, such as the water tank fire engine, the foam fire engine, the dry powder fire engine and the like, are mainly loaded by virtue of a tank body.
The existing fire truck tank materials are mainly divided into steel materials and nonmetallic materials, but the steel tank has the defects of heavy quality, high requirements on welding equipment and welding workers, and the tank is subjected to post-process treatments such as pickling passivation, rust prevention and corrosion prevention after the welding is finished, so that the production efficiency is low, the cost is high, and the existing nonmetallic tank materials (such as PP materials) are gradually favored.
In addition, the tank body is generally installed on the fire truck through the joist, and because the tank body joist generally adopts a steel piece, the nonmetal tank body material is different from the joist material, and is difficult to connect through welding, and only a connecting hole is formed in the bottom of the tank body and is connected through a bolt (as shown in fig. 1). However, the existing connection mode through the perforated mounting bolts has the defects of weak connection strength and easy leakage of the connection part, and is unfavorable for fire-fighting operation, so that a new joist assembly structure for the tank body is needed to be improved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a joist assembly structure for a fire truck tank body and a fire truck using the same.
On one hand, the utility model discloses a joist assembly structure for a fire truck tank body, which adopts the following technical scheme:
a joist assembly structure for a fire truck tank, comprising: at least two vertical joists, two vertical joist parallel arrangement, two one side that vertical joist kept away from each other is connected with outside reinforcing plate, two one side that vertical joist kept close to each other is connected with inboard reinforcing plate, the top of vertical joist, outside reinforcing plate and inboard reinforcing plate all is connected with jar body bottom, but vertical joist, outside reinforcing plate and inboard reinforcing plate are fusion welding's nonmetallic material.
Preferably, the outer reinforcing plate and the inner reinforcing plate are respectively arranged on two opposite sides of the longitudinal joist, and the outer reinforcing plate and the inner reinforcing plate are positioned on the same axis.
Further preferably, the inner reinforcing plate is a triangle.
Preferably, two adjacent inner side reinforcing plates of the two longitudinal joists close to each other are connected into a whole.
Preferably, the longitudinal joist comprises a joist inner reinforcing plate, wherein the transverse section of the longitudinal joist is concave, and the longitudinal joist inner reinforcing plate is filled and fixed in a concave groove of the longitudinal joist.
Preferably, the end part of the outer reinforcing plate, which is close to the longitudinal joist, is provided with a first bulge, and the longitudinal joist is provided with a first connecting hole for embedding the first bulge.
Preferably, the end part of the inner side reinforcing plate, which is close to the longitudinal joist, is provided with a second bulge, and the longitudinal joist is provided with a second connecting hole for embedding the second bulge.
Preferably, the longitudinal joist is provided with a mounting hole, a supporting seat is arranged below the longitudinal joist and is fixed on the fire truck, and a bolt is arranged between the supporting seat and the longitudinal joist, penetrates through the mounting hole and is provided with a nut.
Further preferably, a bracket is provided between the longitudinal joist and the nut.
On the other hand, the utility model discloses a fire engine with a tank body, which adopts the following technical scheme:
the fire truck with the tank body is provided with the joist assembly structure, the tank body is made of a non-metal material capable of being welded in a melting mode, a joist positioning groove is formed in the bottom of the tank body of the fire truck, and the top end of the longitudinal joist is embedded into the joist positioning groove.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
compared with the prior art, the utility model has the advantages that the central force at the joint of the auxiliary frame of the original fire truck and the tank bottom plate is transmitted to each welding position of the tank bottom plate by arranging the outer reinforcing plate and the inner reinforcing plate at the two sides of the longitudinal joist, and the tensile force of the original bolt to the joist is dispersed to the longitudinal joist, the outer reinforcing plate and the inner reinforcing plate of the joist assembly, so that the stress distribution of the joist assembly is more uniform, and the damage condition of the welding position of the tank and the joist assembly in the past is greatly improved.
Drawings
FIG. 1 is a prior art joist to tank floor connection;
fig. 2 is a schematic diagram of the overall structure of a joist assembly for a fire truck tank according to the present embodiment;
fig. 3 is a schematic diagram of a split structure of a joist assembly structure for a fire truck tank body according to the present embodiment;
FIG. 4 is an enlarged view of FIG. 3A;
FIG. 5 is a schematic diagram showing the installation of a joist assembly for a fire truck tank according to the present embodiment;
FIG. 6 is a schematic view of the assembled tank and joist assembly of the fire truck according to the present embodiment;
fig. 7 is a front view of the fire truck tank and joist assembly of the present embodiment after installation.
Reference numerals illustrate: 1. a joist assembly; 11. longitudinal joists; 111. a first connection hole; 112. a second connection hole; 113. a mounting hole; 12. an outer reinforcing plate; 121. a first protrusion; 13. an inner reinforcing plate; 131. a second protrusion; 14. a joist inner reinforcing plate; 15. a support base; 16. a bracket; 2. a tank body; 21. joist positioning groove.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 2-4, the joist assembly structure 1 comprises two longitudinal joists 11 which are arranged in parallel, the transverse section of each longitudinal joist 11 is concave, one side, away from each other, of each longitudinal joist 11 is connected with an outer reinforcing plate 12, one side, close to each other, of each longitudinal joist 11 is connected with an inner reinforcing plate 13, the top ends of each longitudinal joist 11, each outer reinforcing plate 12 and each inner reinforcing plate 13 are connected with a bottom plate of a tank body 2 of the fire truck, and each longitudinal joist 11, each outer reinforcing plate 12 and each inner reinforcing plate 13 are made of a non-metallic material which can be welded in a melting mode.
Specifically 3-4, referring to the figure, the end of the outer reinforcing plate 12 near the longitudinal joist 11 is provided with a first protrusion 121, the longitudinal joist 11 is provided with a first connecting hole 111 for the first protrusion 121 to be embedded, so that the outer reinforcing plate 12 is embedded through matching of the first protrusion 121 and the first connecting hole 111, and is clamped on the outer side of the longitudinal joist 11, the side end of the outer reinforcing plate 12 is tightly attached to the outer side surface of the longitudinal joist 11, and the outer side surfaces are mutually fixed through fusion welding. The end of the inner reinforcing plate 13 near the longitudinal joist 11 is provided with a second bulge 131, and the longitudinal joist 11 is provided with a second connecting hole 112 for embedding the second bulge 131, so that the inner reinforcing plate 13 is embedded in the second connecting hole 112 through matching of the second bulge 131, thereby being clamped on the inner side of the longitudinal joist 11, and the side end of the inner reinforcing plate 13 is tightly attached to the inner side surface of the longitudinal joist 11 and is mutually fixed through fusion welding. In addition, the plate bodies of the outer reinforcing plate 12 and the inner reinforcing plate 13 are perpendicular to the longitudinal joist 11, and the outer reinforcing plate 12 and the inner reinforcing plate 13 are respectively arranged on two opposite sides of the longitudinal joist, so that the extending directions of the plate bodies of the outer reinforcing plate 12 and the inner reinforcing plate 13 are positioned on the same axis, thereby being beneficial to further improving the stress condition of the outer reinforcing plate 12 and the inner reinforcing plate 13 on the longitudinal joist 11 and improving the structural firmness of the joist assembly.
As a preferred scheme, the joist assembly structure 1 further comprises a joist inner reinforcing plate 14, wherein the bottom end and two side ends of the joist inner reinforcing plate 14 are tightly attached and welded with the concave inner wall of the longitudinal joist 11, so that the joist inner reinforcing plate 14 is filled and fixed in the concave groove of the longitudinal joist 11, and the transverse structural strength of the longitudinal joist 11 is further improved.
The inner reinforcing plate 13 shown in the drawings of the embodiment is a triangular plate, and two right-angle sides of the inner reinforcing plate 13 are respectively and closely attached and welded with the longitudinal joist 11 and the bottom plate of the tank body 2, so that the tank has good structural stability. In other embodiments, two adjacent inner reinforcing plates 13 on the inner sides of two longitudinal joists 11 close to each other may be connected together, and the inner reinforcing plates 13 have higher strength and firmness than two separate triangular plates.
Referring to fig. 2 and 7, a mounting hole 113 is formed in the longitudinal joist 11, a supporting seat 15 is arranged below the longitudinal joist 11 and is fixed on a subframe of the fire truck, a bolt is arranged between the supporting seat 15 and the longitudinal joist 11, penetrates through the mounting hole and is provided with a nut, a bracket 16 is arranged between the joist and the nut, and the bracket 16 can increase a compression surface in the vertical direction of the bolt and a contact surface in the horizontal direction.
Referring to fig. 5 and 6, after the longitudinal joist 11, the outer reinforcing plate 12, the inner reinforcing plate 13 and the inner reinforcing plate 14 are mounted, the joist assembly 1 is in a tree structure, and has enough welding strength in the transverse direction and the longitudinal direction to support the whole tank body 2, so that the concentrated force at the joint of the auxiliary frame of the fire truck and the bottom plate of the tank body 2 is transmitted to each welding position of the bottom plate of the tank body through the joist assembly 1 in the tree structure, the tensile force of the original bolt to the joist is dispersed to the longitudinal joist 11, the outer reinforcing plate 12, the inner reinforcing plate 13 and the inner reinforcing plate 14 of the joist assembly 1, the stress distribution is more uniform, and the condition that the original welding position is stressed too much and damaged is greatly improved.
The utility model also protects a fire truck with the tank body, the structure of the joist assembly 1 is applied, and the material of the tank body 2 is consistent with that of the joist assembly 1, and the tank body 2 and the joist assembly 1 are all made of non-metal materials which can be welded in a melting way, so that the tank body 2 and the joist assembly 1 can be fixed through welding. Preferably, the bottom plate of the fire truck tank body 2 is provided with a joist positioning groove 21, and the top end of the longitudinal joist 11 is embedded into the joist positioning groove 21 for welding and fixing, so that the connection firmness and the installation efficiency are improved.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present principles and embodiments may be better understood; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (10)
1. The utility model provides a fire engine joist assembly structure for jar body which characterized in that includes: at least two vertical joists, two vertical joist parallel arrangement, two one side that vertical joist kept away from each other is connected with outside reinforcing plate, two one side that vertical joist kept close to each other is connected with inboard reinforcing plate, the top of vertical joist, outside reinforcing plate and inboard reinforcing plate all is connected with jar body bottom, but vertical joist, outside reinforcing plate and inboard reinforcing plate are fusion welding's nonmetallic material.
2. The joist assembly structure for a fire truck tank according to claim 1, wherein the outer reinforcing plate and the inner reinforcing plate are disposed on opposite sides of the longitudinal joist, respectively, and the outer reinforcing plate and the inner reinforcing plate are located on the same axis.
3. The joist assembly structure for a fire truck tank according to claim 1, wherein said inner reinforcing plate is a triangle.
4. The joist assembly structure for a fire truck tank according to claim 1, wherein two adjacent inner side reinforcing plates of two longitudinal joists are connected to each other as a unit.
5. The joist assembly structure for a fire truck tank according to claim 1, further comprising a joist inner reinforcing plate, wherein the transverse cross section of the longitudinal joist is concave, and the longitudinal joist inner reinforcing plate is filled and fixed in the concave groove of the longitudinal joist.
6. The joist assembly structure for a fire truck tank according to claim 1, wherein the end of the outer reinforcing plate, which is close to the longitudinal joist, is provided with a first protrusion, and the longitudinal joist is provided with a first connecting hole into which the first protrusion is inserted.
7. The joist assembly structure for a fire truck tank according to claim 1, wherein the end of the inner reinforcing plate, which is close to the longitudinal joist, is provided with a second protrusion, and the longitudinal joist is provided with a second connecting hole into which the second protrusion is inserted.
8. The joist assembly structure for a fire truck tank according to claim 1, wherein the longitudinal joist is provided with a mounting hole, a supporting seat is arranged below the longitudinal joist and is fixed on the fire truck, and a bolt is arranged between the supporting seat and the longitudinal joist, penetrates through the mounting hole and is provided with a nut.
9. The joist assembly structure for a fire truck tank according to claim 8, wherein a bracket is provided between the longitudinal joist and the nut.
10. A fire truck using a joist assembly structure, characterized in that, a joist assembly structure for a fire truck tank body is used according to any one of claims 1-9, the tank body material is a non-metal material which can be welded in a melting way, a joist positioning groove is arranged at the bottom of the fire truck tank body, and the top end of the longitudinal joist is embedded in the joist positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320405845.3U CN220220539U (en) | 2023-03-06 | 2023-03-06 | Joist assembly structure for fire truck tank body and fire truck using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320405845.3U CN220220539U (en) | 2023-03-06 | 2023-03-06 | Joist assembly structure for fire truck tank body and fire truck using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220220539U true CN220220539U (en) | 2023-12-22 |
Family
ID=89187835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320405845.3U Active CN220220539U (en) | 2023-03-06 | 2023-03-06 | Joist assembly structure for fire truck tank body and fire truck using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220220539U (en) |
-
2023
- 2023-03-06 CN CN202320405845.3U patent/CN220220539U/en active Active
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