CN212400896U - Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus - Google Patents
Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus Download PDFInfo
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- CN212400896U CN212400896U CN202022149378.1U CN202022149378U CN212400896U CN 212400896 U CN212400896 U CN 212400896U CN 202022149378 U CN202022149378 U CN 202022149378U CN 212400896 U CN212400896 U CN 212400896U
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Abstract
The utility model discloses a hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus, which comprises a hydrogen cylinder, a hoop assembly and a frame base; the frame base is of a hollow box body frame structure with an opening at the top end, the positions, close to the two ends, of the bottom in the frame base are respectively provided with a middle bottom longitudinal beam, and the hoop assemblies are provided with a plurality of hoop assemblies and are respectively and symmetrically arranged on the middle bottom longitudinal beams; the hoop assembly comprises a fixed base and an upper hoop, the center of the top end of the fixed base is inwards sunken to form an arc-shaped mounting groove matched with the hydrogen cylinder, table tops are arranged at two ends of the mounting groove, and mounting holes are formed in the table tops; the upper hoop is arc-shaped with an opening at the bottom end, the two ends of the upper hoop are respectively provided with a hoop fixing block corresponding to the table top, the hoop fixing block is provided with a through hole corresponding to the mounting hole, and a hoop fixing bolt is adopted to penetrate through the mounting hole and the through hole to connect the fixing base and the upper hoop. The device simple structure, simple to operate, it is fixed firm, later stage easy maintenance, whole mounting structure has more the aesthetic property.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy passenger train, concretely relates to hydrogen cylinder fixed frame structure of hydrogen fuel cell city passenger train.
Background
The hydrogen fuel cell automobile is an automobile which uses hydrogen as energy to provide power for movement. While a typical internal combustion engine is typically filled with diesel or gasoline, a hydrogen vehicle uses gaseous hydrogen instead. The fuel cell and the motor replace a common engine, namely the hydrogen fuel cell has the principle that hydrogen is input into the fuel cell, electrons of hydrogen atoms are blocked by a proton exchange membrane and are conducted to a positive electrode from a negative electrode through an external circuit to form an electric energy driving motor; protons can be discharged through the proton exchange membrane and oxidized to form pure water mist.
The hydrogen fuel cell city bus stores hydrogen gas in a plurality of gas cylinders on the bus under the pressure of about 35MPa and is used as the supply of automobile fuel. The passenger car using hydrogen as fuel has the characteristics of high pressure, flammability and explosiveness when the hydrogen is stored on the passenger car, so the requirements on the arrangement and installation reliability of the hydrogen gas cylinder are high, and the safety and the reliability of the gas cylinder are fully considered when the hydrogen gas cylinder is arranged. At present, the gas cylinders of a hydrogen fuel cell city bus are generally arranged at the top, namely the gas cylinders are arranged at the top of the bus. However, the gas cylinder must be set top in consideration of convenience in installation and maintenance; in addition, when the vehicle runs under various road conditions, each hydrogen cylinder cannot be displaced, and various adverse factors influencing safe driving, such as looseness, structural deformation, cracking and the like cannot be generated on the fixing frame.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that will solve is: the hydrogen cylinder fixing frame structure of the hydrogen fuel cell city bus ensures the convenience of installing and maintaining the top of the hydrogen cylinder, avoids the adverse factors of safe driving, such as displacement of each hydrogen cylinder, easy looseness of a fixing frame, structural deformation, cracking and the like, and enables the whole bus to be more attractive.
The utility model adopts the technical proposal that:
a hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus comprises hydrogen cylinders, a hoop assembly and a frame base; the frame base is of a hollow box body frame structure with an opening at the top end and can be detachably mounted on a passenger car, the positions, close to the two ends, of the bottom in the frame base are respectively provided with a middle bottom longitudinal beam, and the hoop assemblies are provided with a plurality of hollow box body frame structures and are respectively symmetrically mounted on the middle bottom longitudinal beams; the hoop assembly comprises a fixed base and an upper hoop, the center of the top end of the fixed base is inwards sunken to form an arc-shaped installation groove matched with the hydrogen cylinder, table tops are arranged at two ends of the installation groove, and installation holes are formed in the table tops; go up the staple bolt and be bottom open-ended circular-arc, go up the staple bolt both ends and correspond the mesa and be equipped with the staple bolt fixed block respectively, correspond the mounting hole on the staple bolt fixed block and set up the through-hole, adopt staple bolt fixing bolt to pass mounting hole and through-hole connection unable adjustment base and go up the staple bolt, go up the staple bolt and be connected constitution circular staple bolt with the mounting groove, this staple bolt and hydrogen cylinder adaptation.
Through the technical scheme, the fixing base and the upper hoop are connected in a combined mode to form the circular hoop for fastening the hydrogen cylinder, the circular hoop is matched with the outer diameter of the hydrogen cylinder, the fixing mode is more closely contacted with the hydrogen cylinder, the fixing effect is better, the hoop assemblies are symmetrically fixed to the bottom of the frame base respectively, the hoop assemblies are fixed from two ends of the hydrogen cylinder, the stabilizing effect is enhanced, the frame base assembly is of a hollow box body structure, the hydrogen cylinder is limited and fixed from the side, and the firm stability of the structure is further enhanced.
Furthermore, the hoop assembly also comprises an upper rubber sleeve and a lower rubber sleeve, wherein the lower rubber sleeve is matched with the mounting groove and fixedly connected to the upper surface of the mounting groove, the upper rubber sleeve is matched with the upper hoop and fixedly mounted on the inner wall surface of the upper hoop, the axial width of the upper rubber sleeve is greater than that of the upper hoop, and fastening seam allowance flanges are arranged on two sides of the upper rubber sleeve upwards; the lower rubber sleeve and the upper rubber sleeve are directly contacted with the hydrogen cylinder, so that friction is increased, the hydrogen cylinder is prevented from loosening, the outer surface of the hydrogen cylinder is prevented from being abraded, and the upper rubber sleeve is provided with a fastening spigot flanging to prevent the upper hoop from slipping.
Furthermore, the table top at the two ends of the mounting groove on the fixed base inclines outwards and downwards, a hollow cavity is arranged in the fixed base, a plurality of reinforcing plates are vertically arranged in the hollow cavity, and mounting holes are formed at the two ends of the bottom of the fixed base; mounting groove both ends mesa outwards slopes down, forms annular protection to it from the mounting groove both ends, is favorable to hydrogen cylinder to stably place to be convenient for and last staple bolt be connected, the reinforcing plate is used for increasing unable adjustment base support intensity.
Furthermore, a hoop reinforcing rib is arranged at the joint of the hoop fixing block and the upper hoop, and the hoop reinforcing rib is arranged along the end face of the side edge of the upper hoop; the deformation of the hoop fixing block is prevented.
Further, a middle bottom cross beam is arranged between middle bottom longitudinal beams in the base and is perpendicular to the middle bottom longitudinal beams; the strength of the middle bottom longitudinal beam is enhanced by the middle bottom cross beam.
Further, fixing supports are respectively arranged on the frame base close to the four corners and the middle of the middle bottom longitudinal beam, and fixing support reinforcing ribs are respectively arranged at the joints of the fixing supports and the frame base and the joints of the fixing supports and the middle bottom longitudinal beam; the fixed bolster is used for the fixed frame base, and fixed bolster strengthening rib reinforcing fixed bolster stability.
Furthermore, reinforcing ribs are respectively arranged at the right-angle connecting positions of the frame at the side surface and the bottom of the frame base; the overall strength of the structure is increased.
Furthermore, a plurality of hoisting supports are symmetrically arranged at the top end of the frame base, and the hoisting supports are close to four corners of the frame base; be convenient for through the fixed assembly structure of hoist and mount installation hydrogen cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a circular staple bolt assembly of fixed base and last staple bolt built-up connection formation and hydrogen cylinder external diameter adaptation, and fixed base symmetry is installed respectively on the middle part end longeron of frame base bottom, after placing hydrogen cylinder head end and tail end on corresponding fixed base, cover the upper staple bolt from the hydrogen cylinder top and connect fixed base again, this fixed mode and hydrogen cylinder contact are inseparabler, and the fixed effect is better, the frame base adopts the fretwork box structure, and spacing fixed to the hydrogen cylinder from the side, further strengthens the firm stability of structure, and whole mounting structure is compacter, has the aesthetic property;
2. the lower rubber sleeve and the upper rubber sleeve are arranged between the fixed base and the upper hoop and are directly contacted with the hydrogen cylinder, so that friction is increased, the hydrogen cylinder is prevented from loosening, the outer surface of the hydrogen cylinder is prevented from being abraded, and fastening seam allowance flanging is arranged on two sides of the upper rubber sleeve to prevent the upper hoop from slipping;
3. the table surfaces at the two ends of the mounting groove of the fixed base are outwards and downwards inclined, and are inwards supported from the two ends of the mounting groove to form annular protection, so that the hydrogen cylinder is favorably and stably placed and is conveniently connected with the upper hoop;
4. the frame base is formed by connecting an upper frame and a lower frame through upright posts, a hollow box body structure with the height equivalent to that of the hydrogen cylinder is formed, the hydrogen cylinder is limited and fixed from the side, the mounting stability of the hydrogen cylinder is further improved, the hydrogen cylinder is prevented from shaking when a vehicle moves, the safety performance is improved, the hydrogen cylinder is mounted by arranging a middle bottom longitudinal beam, the middle bottom cross beam is used for enhancing the strength of the middle bottom longitudinal beam, the frame base is simple and compact in structure, the material consumption is reduced, the overall structural weight is reduced, and the light weight design requirement is met;
5. reinforcing ribs are arranged at the right-angle joint of the side surface and the bottom of the frame base, so that the structural connection stability is improved; the frame base is respectively provided with a fixed support near the four corners and the middle part of the middle bottom longitudinal beam, the frame base is arranged on the vehicle body through the fixed supports, the four corners are connected to ensure the balance and stability of the whole structure, and the middle part is connected to further enhance the connection firmness;
6. the top ends of the frame bases are respectively symmetrically provided with a hoisting bracket, and the hydrogen cylinder fixing assembly structure is installed by hoisting, so that the installation and the replacement are convenient;
7. the utility model discloses compact structure, the installation of being convenient for, it is fixed firm to install to the later stage maintenance of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the frame base assembly of the present invention;
fig. 3 is a schematic structural view of the hoop assembly of the present invention;
fig. 4 is the schematic view of the structure of the hoop base of the present invention.
The figure is marked with: 1. a hydrogen cylinder 2, a hoop assembly 3 and a frame base; 21. the hoop fixing device comprises an upper hoop, a 211 hoop fixing block, 212, hoop reinforcing ribs, 213, hoop fixing bolts, 22, a fixing base, 23, a lower rubber sleeve, 24, an upper rubber sleeve, 241 and a fastening spigot flanging; 31. the lifting device comprises front and rear upper cross beams 311, a lifting support 32, front and rear lower cross beams 33, left and right upper longitudinal beams 34, left and right lower longitudinal beams 35, upright columns 36, a middle bottom longitudinal beam 37, a middle bottom cross beam 38, reinforcing ribs 39, a fixing support 391 and fixing support reinforcing ribs.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Referring to fig. 1-4, a hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus comprises hydrogen cylinders 1, hoop assemblies 2 and a frame base 3, wherein the frame base 3 is a hollow box frame structure with an open top end and is detachably mounted at the top end of the rear portion of the bus, the number of the hoop assemblies 2 is 8, the hoop assemblies are symmetrically mounted at two ends of the bottom of the frame base 3, and the hydrogen cylinders 1 are fixedly mounted in the frame base 3 through the hoop assemblies 2.
The frame base 3 comprises a front upper cross beam 31, a rear lower cross beam 32, a left upper longitudinal beam 33, a right upper longitudinal beam 34, a left lower longitudinal beam 34, a right lower longitudinal beam 35, an upper frame formed by connecting the front upper cross beam 31, the rear upper cross beam 31, the left upper longitudinal beam 33, the right upper longitudinal beam 33, the front lower cross beam 32, the left lower longitudinal beam 34, the right lower longitudinal beam 34, a lower frame, and four corners of the upper frame and the lower frame at two ends of the upright post 35 respectively to form a hollow box frame structure, wherein the height of the frame base assembly 3 is equal to that of the hydrogen cylinders 1, the length of the frame base assembly is matched with the length of the hydrogen cylinders 1, and the width of the frame base assembly. The two ends of the front and rear lower cross beams 32 close to the left and right lower longitudinal beams 34 are respectively provided with a middle bottom longitudinal beam 36, the middle bottom longitudinal beam 36 is parallel to the left and right lower longitudinal beams 34, and the middle bottom longitudinal beam 36 is respectively provided with 8 mounting holes at uniform intervals for fixedly connecting the hoop assembly 2; a middle bottom cross beam 37 is arranged between the middle bottom longitudinal beams 36 in the frame base 3, the middle bottom cross beam 37 is perpendicular to the middle bottom longitudinal beams 36, the strength of the middle bottom longitudinal beams 36 is enhanced by the middle bottom cross beam 37, the connection stability of the middle bottom longitudinal beams 36 is improved, and the gravity of the hydrogen cylinders 1 is dispersed.
For the stability and the fastness of reinforcing structure connection, the junction of front and back entablature 31 and stand 35 is equipped with strengthening rib 38, and front and back bottom end rail 32 is equipped with strengthening rib 38 with the junction of stand 35, and the junction of longeron 36 and middle part bottom end rail 37, middle part bottom end rail 36 and front and back bottom end rail 32 is equipped with strengthening rib 38, strengthening rib 38 is the set-square, and the right angle limit of set-square is the connection limit.
In addition, the bottom of the frame base 3 is provided with fixing brackets 39 near the four corners, the middle parts of the middle bottom longitudinal beams 36 are respectively provided with the fixing brackets 39, the fixing brackets 39 are used for fixing the frame base 3, and the frame base 3 is fixed from the four corners and the middle part of the frame base 3, so that the bottom of the frame base 3 is ensured to be tightly connected with a vehicle body, and the mounting and connecting stability is improved; and a fixed bracket reinforcing rib 391 is arranged at the joint of the fixed bracket 39 and the frame base 3 and the joint of the fixed bracket and the middle bottom longitudinal beam 36, so as to enhance the stability of the fixed bracket 39.
Furthermore, the lifting brackets 311 are symmetrically arranged at the positions, close to the two ends, of the front and rear upper beams 31 at the top end of the frame base 3, so that the frame base 3 structure can be fixed by conveniently lifting and mounting the hydrogen cylinders 1.
The hoop assembly 2 comprises a fixed base 22 and an upper hoop 21, the center of the top end of the fixed base 22 is inwards recessed to form an arc-shaped mounting groove 221 matched with the hydrogen cylinder 1, table tops 222 are arranged at two ends of the mounting groove 221, the table tops 222 outwards incline downwards, mounting holes are formed in the table tops 222 and used for connecting the upper hoop 21, the table tops 222 outwards incline downwards to form inward-supporting annular protection for the mounting groove 221, stable placement of the hydrogen cylinder 1 is facilitated, and connection with the upper hoop 21 is facilitated; unable adjustment base 22 is semi-closed box type structure, and inside is the cavity, and vertical symmetry sets up 5 reinforcing plates 223 in the cavity, when lightening structure weight, guarantees unable adjustment base 22's intensity through reinforcing plate 223, and the mounting hole is seted up at stable support hydrogen cylinder 1, unable adjustment base 22 bottom both ends, through base fixing bolt 224 and middle part end longeron 36 fixed connection.
Go up staple bolt 21 and be bottom open-ended circular-arc, go up staple bolt 21 both ends and correspond mesa 222 and be equipped with staple bolt fixed block 211 respectively, the through-hole is seted up to corresponding the mounting hole on the staple bolt fixed block 211, adopts staple bolt fixing bolt 213 to pass mounting hole and through-hole and connect unable adjustment base 22 and last staple bolt 21, goes up staple bolt 21 and is connected with mounting groove 221 and constitutes circular staple bolt, this staple bolt and hydrogen cylinder adaptation. Staple bolt fixed block 211 sets up staple bolt strengthening rib 212 with the junction of last staple bolt 21, staple bolt strengthening rib 212 sets up along last staple bolt 21 side terminal surface, prevents that staple bolt fixed block 211 from warping.
The hoop assembly 2 further comprises an upper rubber sleeve 24 and a lower rubber sleeve 23, the lower rubber sleeve 23 is matched with the installation groove 221 and fixedly connected to the upper surface of the installation groove 221, the upper rubber sleeve 24 is matched with the upper hoop 21 and fixedly installed on the inner wall surface of the upper hoop 21, the axial width of the upper rubber sleeve 24 is larger than that of the upper hoop 21, and fastening seam allowance flanges 241 are upwards arranged on two sides of the upper rubber sleeve 24 to prevent the upper hoop 21 from slipping; the lower rubber sleeve 23 and the upper rubber sleeve 24 are directly contacted with the hydrogen cylinder 1, so that the friction force is increased, the hydrogen cylinder 1 is prevented from loosening, and the outer surface of the hydrogen cylinder 1 is prevented from being abraded.
The utility model discloses after setting up according to the aforesaid, arrange hydrogen cylinder 1 head end and tail end in corresponding middle part end longeron 36 back on, will go up staple bolt 21 again and cover and connect unable adjustment base 22 from hydrogen cylinder 1 top, this fixed mode is inseparabler with hydrogen cylinder 1 contact, and fixed effect is better. When the vehicle operates on various road conditions, each hydrogen cylinder cannot be displaced, and various adverse factors influencing safe driving, such as looseness, structural deformation, cracking and the like cannot occur to the frame base assembly.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a hydrogen cylinder fixed frame structure of hydrogen fuel cell city passenger train, includes hydrogen cylinder (1), staple bolt assembly (2) and frame base (3), its characterized in that:
the frame base (3) is of a hollow box body frame structure with an opening at the top end and can be detachably mounted on a passenger car, the positions, close to the two ends, of the bottom in the frame base (3) are respectively provided with a middle bottom longitudinal beam (36), and the hoop assemblies (2) are provided with a plurality of hollow box body frame structures and are respectively symmetrically mounted on the middle bottom longitudinal beams (36);
the hoop assembly (2) comprises an upper hoop (21) and a fixed base (22), the center of the top end of the fixed base (22) is inwards recessed to form an arc-shaped installation groove (221) matched with the hydrogen cylinder (1), table tops (222) are arranged at two ends of the installation groove (221), and installation holes are formed in the table tops (222); go up staple bolt (21) and be bottom open-ended circular-arc, go up staple bolt (21) both ends and correspond mesa (222) and be equipped with staple bolt fixed block (211) respectively, correspond the mounting hole on staple bolt fixed block (211) and set up the through-hole, adopt staple bolt fixing bolt (213) to pass mounting hole and through-hole and connect unable adjustment base (22) and go up staple bolt (21), go up staple bolt (21) and be connected with mounting groove (221) and constitute circular staple bolt, this staple bolt and hydrogen cylinder (1) adaptation.
2. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: staple bolt assembly (2) still include gum cover (24) and gum cover (23) down, gum cover (23) and mounting groove (221) phase-match down, fixed connection is on mounting groove (221) upper surface, gum cover (24) and last staple bolt (21) phase-match, fixed mounting is on last staple bolt (21) internal face, and the axial width of going up gum cover (24) is greater than the axial width of last staple bolt (21), goes up gum cover (24) both sides and upwards is equipped with straining tang turn-ups (241).
3. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: mesa (222) that lie in mounting groove (221) both ends on unable adjustment base (22) outwards slope down to be the cavity in unable adjustment base (22), vertically in the cavity set up a plurality of reinforcing plates (223), the mounting hole is seted up at unable adjustment base (22) bottom both ends.
4. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: the staple bolt fixed block (211) sets up staple bolt strengthening rib (212) with the junction of last staple bolt (21), staple bolt strengthening rib (212) are along last staple bolt (21) side terminal surface setting.
5. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: a middle bottom cross beam (37) is arranged between middle bottom longitudinal beams (36) in the frame base (3), and the middle bottom cross beam (37) is perpendicular to the middle bottom longitudinal beams (36).
6. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: the frame base (3) is close to four corners and the middle of the middle bottom longitudinal beam (36) and is provided with a fixed support (39), and fixed support reinforcing ribs (391) are arranged at the joints of the fixed support (39) and the frame base (3) and the joints of the fixed support (39) and the middle bottom longitudinal beam (36).
7. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: and reinforcing ribs (38) are respectively arranged at the right-angle connection parts of the frame at the side surface and the bottom of the frame base (3).
8. A hydrogen cylinder fixing frame structure of a hydrogen fuel cell city bus as claimed in claim 1, wherein: the frame base (3) top symmetry sets up a plurality of supports of lifting by crane (311), lift by crane support (311) and be close to frame base (3) four corners department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149378.1U CN212400896U (en) | 2020-09-27 | 2020-09-27 | Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149378.1U CN212400896U (en) | 2020-09-27 | 2020-09-27 | Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus |
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| CN212400896U true CN212400896U (en) | 2021-01-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046273A (en) * | 2020-09-27 | 2020-12-08 | 奇瑞万达贵州客车股份有限公司 | Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus |
| CN113715612A (en) * | 2021-09-01 | 2021-11-30 | 三一汽车制造有限公司 | Multi-bottle group structure and vehicle |
-
2020
- 2020-09-27 CN CN202022149378.1U patent/CN212400896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046273A (en) * | 2020-09-27 | 2020-12-08 | 奇瑞万达贵州客车股份有限公司 | Hydrogen cylinder fixing frame structure of hydrogen fuel cell city bus |
| CN113715612A (en) * | 2021-09-01 | 2021-11-30 | 三一汽车制造有限公司 | Multi-bottle group structure and vehicle |
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