CN112046224A - Structure based on 8 meters pure electric city passenger train bumper shock absorbers upper bracket assembly - Google Patents
Structure based on 8 meters pure electric city passenger train bumper shock absorbers upper bracket assembly Download PDFInfo
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- CN112046224A CN112046224A CN202011030152.8A CN202011030152A CN112046224A CN 112046224 A CN112046224 A CN 112046224A CN 202011030152 A CN202011030152 A CN 202011030152A CN 112046224 A CN112046224 A CN 112046224A
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- side plate
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- bracket assembly
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 22
- 230000035939 shock Effects 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 230000004089 microcirculation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/14—Buses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a structure of an upper bracket assembly of a shock absorber of a pure electric city bus based on 8 meters, which comprises a fixed bottom plate, an L-shaped structural part, an L-shaped reinforcing part, a special-shaped reinforcing rib and a shaft sleeve, wherein the L-shaped structural part comprises a first side plate and a second side plate, the first side plate is vertical to the second side plate, the bottom end of the first side plate is connected with the head end of the second side plate, the tail end of the second side plate is fixed on the fixed bottom plate, the second side plate is vertical to the fixed bottom plate, the first side plate is parallel to the fixed bottom plate, the top end of the first side plate is provided with a groove; the L-shaped reinforcing part is coated on the outer side of the L-shaped structural part, and the special-shaped reinforcing rib is arranged at the joint of the second side plate and the fixed bottom plate. According to the invention, the L-shaped structural part is used for replacing the fixed support body, so that the supporting and connecting effects are achieved, meanwhile, the cost caused by die development is avoided, the structure weight is reduced, and the connecting stability of the L-shaped structural part is further enhanced by arranging the special-shaped reinforcing ribs and the L-shaped reinforcing part.
Description
Technical Field
The invention belongs to the technical field of passenger car parts, and particularly relates to a structure of an upper bracket assembly of a shock absorber of a pure electric city passenger car based on 8 meters.
Background
The pure electric city bus is also a main vehicle in each city at present as a vehicle model widely popularized and used by the nation, and small micro streets and star chess are arranged around a main road of the city, but the road surfaces of the places are generally narrow, so that the pure electric city bus is not suitable for the driving of large buses. Therefore, public transportation enterprises can only purchase small vehicles to solve the travel problem of residents in the areas. The microcirculation bus route has the obvious characteristics of short distance, few stations, high speed and relatively concentrated passenger flow, is often used for connection transportation from the exit of a main trunk of public transportation to a citizen residential area or a working unit, is an effective supplement of the existing public transportation travel mode, is in conflict with the connection of the main trunk, jointly forms a modern organic public transportation network, and improves the efficiency of passenger travel and bus operation. Due to passenger flow limitation, the microcirculation bus line is usually provided with smaller vehicle types, most of the microcirculation bus lines are 8-meter buses, the microcirculation bus line is convenient to drive on narrower roads, the right of way is less in occupation, the single bus transportation efficiency is high, compared with the traditional buses, the microcirculation bus line can efficiently cope with traffic jam, and dense passenger flow is rapidly evacuated.
At present, 8 meters electricelectric moves bumper shock absorber upper bracket assembly's that city passenger train is commonly used global design structure, as shown in FIG. 1, this structure has following problem:
1. the fixing support body of the existing structure adopts an integral casting part, a mold needs to be developed in the early stage to realize the manufacture of products, the development cost of the whole vehicle is increased, the integral weight is heavier, and the light-weight design requirement is not met;
2. the box-type base with the existing structure adopts a hollow rectangular tube, the integral strength is not as good as that of an integral thick plate, the risk of fracture in operation exists, regular inspection is needed, and the later-stage operation potential safety hazard and the operation and maintenance cost of the whole vehicle are increased;
3. the fixed bolster body of existing structure adopts the connected mode of bolt plus nut with box type base, and this kind of connected mode must regularly maintain at the vehicle operation in-process, otherwise has the danger of pine and takes off and increased the operation maintenance cost of whole car.
Disclosure of Invention
The invention aims to solve the problems that: pure electric city passenger train's characteristic based on few leaf spring front leaf spring suspension structure makes it satisfy 8 meters pure electric city passenger train global design's structural requirement and the abominable condition of long-term overload operation through the global design structure of the bumper shock absorber upper bracket assembly of the few leaf spring front leaf spring suspension of adjustment, has also guaranteed the convenience of whole car installation, maintenance simultaneously and has reduced manufacturing cost.
The technical scheme adopted by the invention is as follows:
the utility model provides a structure based on 8 meters electricelectric moves city passenger train bumper shock absorber upper bracket assembly, bumper shock absorber upper bracket assembly includes PMKD, L type structure and axle sleeve, L type structure comprises first curb plate and second curb plate connection, and second curb plate head end is connected to first curb plate perpendicular to second curb plate and first curb plate bottom, second curb plate tail end is fixed on PMKD, and the second curb plate is perpendicular with PMKD, and first curb plate is parallel with PMKD to the recess is seted up on the top of first curb plate, the axle sleeve passes through recess and first curb plate fixed connection.
Furthermore, the L-shaped reinforcing part also comprises an L-shaped reinforcing part, the bottom end of the L-shaped reinforcing part is connected with the fixed bottom plate, the top end of the L-shaped reinforcing part is connected with the shaft sleeve, and the L-shaped reinforcing part is matched with the L-shaped structural part and covers the outer side of the L-shaped structural part; the strength of the L-shaped structural part is fully ensured through the L-shaped reinforcing part, and the shaft sleeve is further firmly connected.
Furthermore, a special-shaped reinforcing rib is arranged at the joint of the second side plate and the fixed bottom plate, and the special-shaped reinforcing rib is positioned on the outer side surface of the L-shaped structural member; the L-shaped structural member is supported by the special-shaped reinforcing ribs, so that the connection firmness of the L-shaped structural member and the fixed base plate is enhanced.
Further, the shaft sleeve is a hollow cylinder and is fixedly connected with the first side plate through a groove, and the shaft sleeve extends out of the first side plate towards one end far away from the fixed bottom plate; the device is used for ensuring the adaptive connection with other parts of the vehicle body.
Furthermore, the groove is in a circular shape with an opening at the top end, the inner diameter of the groove is matched with the outer diameter of the shaft sleeve, and the opening of the groove is smaller than the outer diameter of the shaft sleeve; further ensuring a secure connection with the sleeve.
Further, the bottom end of the first side plate is matched with the head end of the second side plate, and the first side plate and the second side plate are in a triangular or trapezoidal structure with a large bottom end and a small top end; and a triangular support is formed on the shaft sleeve in the groove, so that the stability is further enhanced, and materials are saved.
Further, the first side plate and the second side plate are integrally formed; reduce the welding volume, avoid the junction not hard up, guarantee the intensity of L nature structure.
Furthermore, the fixed bottom plate is rectangular, the tail end of the second side plate is close to one side edge of the fixed bottom plate and is parallel to the side edge, and a mounting hole is formed in one side, far away from the first side plate, of the fixed bottom plate; and the installation and connection conditions are met.
Compared with the prior art, the invention has the beneficial effects that:
1. on the basis of the existing commonly-used upper bracket assembly structure of the shock absorber, the overall design thought and the overall structural design are optimized and adjusted, and an L-shaped structural member is used for replacing a fixed bracket body, so that the supporting and connecting effect is achieved, meanwhile, the cost caused by mold development is avoided, the structural weight is reduced, and the design requirement of light weight of the whole vehicle is met;
2. the box-shaped base is changed into the fixed bottom plate, so that the overall strength is increased, the risk that the hollow rectangular tube of the box-shaped base is broken in the operation is avoided, the potential safety hazard of the operation is eliminated, and the operation and maintenance cost is reduced;
3. the elements are connected in a welding mode, so that looseness in operation is prevented, safety risks caused by falling of the elements are avoided, operation and maintenance costs are reduced, the connection stability of the L-shaped structural part is further enhanced by arranging the special-shaped reinforcing ribs and the L-shaped reinforcing parts, meanwhile, the L-shaped reinforcing parts play a role in firmly connecting the shaft sleeves, and the severe conditions of long-term overload operation are met;
4. the whole design structure is more compact, simpler and more convenient and more practical, and the convenience of the whole vehicle in installation and maintenance is ensured.
Drawings
FIG. 1 is a schematic view of the overall design structure of a conventional upper bracket assembly of a shock absorber;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a left side view of the present invention.
Detailed Description
The invention will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Referring to fig. 2-4, a structure of an upper bracket assembly of a shock absorber of a pure electric city bus based on 8 meters includes: the structure comprises a fixed bottom plate 1, an L-shaped structural member 2, a special-shaped reinforcing rib 3, an L-shaped reinforcing member 4 and a shaft sleeve 5.
L type structure 2 is connected by first curb plate 21 and second curb plate 22 and constitutes, and first curb plate 21 perpendicular to second curb plate 22 and second curb plate 22 head end is connected to first curb plate 21 bottom, first curb plate 21 avoids connecting not hard up with second curb plate 22 integrated into one piece, guarantees L nature structure 2's intensity. The tail end of the second side plate 22 is fixed on the fixed base plate 1, the second side plate 22 is perpendicular to the fixed base plate 1, the first side plate 21 is parallel to the fixed base plate 1, the fixed base plate 1 is a rectangular plate, the tail end of the second side plate 22 is close to one side of the fixed base plate 1 and is parallel to the side, and a mounting hole is formed in one side, far away from the first side plate 21, of the fixed base plate 1, so that the mounting and connecting conditions are met, and the structure balance is kept.
Further, the bottom end of the first side plate 21 is matched with the head end of the second side plate 22, the top end of the first side plate 21 is gradually closed to the middle, a triangular or trapezoidal structure with a large bottom end and a small top end is formed, a groove is formed in the top end of the first side plate 21, the groove is circular with an open top end, the shaft 5 is a hollow cylinder, the shaft sleeve 5 is fixedly connected with the first side plate 21 through the groove, and the first side plate 21 is extended out of one end, far away from the fixing base plate 1, of the shaft sleeve 5 and is used for ensuring the adaptive connection with other parts of. The inner diameter of the groove is matched with the outer diameter of the shaft sleeve 5, and the opening of the groove is smaller than the outer diameter of the shaft sleeve 5, so that firm connection with the shaft sleeve 5 is further ensured. The first side plate 21 forms a triangular support for the shaft sleeve 5 in the groove, and the stability of the shaft sleeve 5 is further enhanced.
The special-shaped reinforcing ribs 3 are arranged in two, the special-shaped reinforcing ribs 3 are located on the outer side face of the L-shaped structural member 2 and are symmetrically arranged at the joint of the second side plate 22 and the fixed base plate 1 respectively, the L-shaped structural member 2 is supported through the special-shaped reinforcing ribs 3, and the connection firmness of the L-shaped structural member 2 and the fixed base plate 1 is enhanced.
Specifically, when in use, according to the designed position and size, the outer side surface of the fixed bottom plate 1 in the welding assembly with the novel structure is welded with a rectangular tube on the whole vehicle frame; when the shock absorber is installed, the shock absorber only needs to be fixed on the outer side surface of the shaft sleeve 5 in a threaded connection mode.
The above-described examples are merely illustrative of preferred embodiments of the present invention and do not limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the spirit and principles of this invention, and it is intended to cover such modifications and alterations in the invention as fall within the true spirit and scope of the appended claims.
Claims (8)
1. The utility model provides a structure based on pure electric city passenger train bumper shock absorber upper bracket assembly of 8 meters, its characterized in that: the shock absorber upper bracket assembly comprises a fixed base plate (1), an L-shaped structural part (2) and a shaft sleeve (5), the L-shaped structural part (2) is formed by connecting a first side plate (21) and a second side plate (22), the first side plate (21) is perpendicular to the second side plate (22) and the bottom end of the first side plate (21) is connected with the head end of the second side plate (22), the tail end of the second side plate (22) is fixed on the fixed base plate (1), the second side plate (22) is perpendicular to the fixed base plate (1), the first side plate (21) is parallel to the fixed base plate (1), a groove is formed in the top end of the first side plate (21), and the shaft sleeve (5) is fixedly connected with the first side plate (21) through the groove.
2. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: it still includes L type reinforcement (4), PMKD (1) is connected to L type reinforcement (4) bottom, and axle sleeve (5) are connected on the top, and L type reinforcement (4) match L type structure (2) cladding is in L type structure (2) outside.
3. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: the joint of the second side plate (22) and the fixed bottom plate (1) is provided with a special-shaped reinforcing rib (3), and the special-shaped reinforcing rib (3) is positioned on the outer side surface of the L-shaped structural member (2).
4. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: the shaft sleeve (5) is a hollow cylinder and is fixedly connected with the first side plate (21) through a groove, and the shaft sleeve (5) extends out of the first side plate (21) towards one end far away from the fixed bottom plate (1).
5. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in accordance with claim 4, wherein: the groove is circular with an opening at the top end, the inner diameter of the groove is matched with the outer diameter of the shaft sleeve (5), and the opening of the groove is smaller than the outer diameter of the shaft sleeve (5).
6. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: the bottom end of the first side plate (21) is matched with the head end of the second side plate (22) and is of a triangular or trapezoidal structure with a large bottom end and a small top end.
7. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: the first side plate (21) and the second side plate (22) are integrally formed.
8. The structure of the upper bracket assembly of the shock absorber of the pure electric city bus based on 8 meters in the claim 1 is characterized in that: the fixed bottom plate (1) is rectangular, the tail end of the second side plate (22) is close to one side edge of the fixed bottom plate (1) and is parallel to the side edge, and a mounting hole is formed in one side, far away from the first side plate (21), of the fixed bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030152.8A CN112046224A (en) | 2020-09-27 | 2020-09-27 | Structure based on 8 meters pure electric city passenger train bumper shock absorbers upper bracket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030152.8A CN112046224A (en) | 2020-09-27 | 2020-09-27 | Structure based on 8 meters pure electric city passenger train bumper shock absorbers upper bracket assembly |
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| Publication Number | Publication Date |
|---|---|
| CN112046224A true CN112046224A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011030152.8A Pending CN112046224A (en) | 2020-09-27 | 2020-09-27 | Structure based on 8 meters pure electric city passenger train bumper shock absorbers upper bracket assembly |
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| Country | Link |
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| CN (1) | CN112046224A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110065203A (en) * | 2009-12-09 | 2011-06-15 | 한국철도기술연구원 | A shock device for a bus |
| CN203305801U (en) * | 2013-06-04 | 2013-11-27 | 东风襄阳旅行车有限公司 | Upper bracket for rearmounted shock absorber on bus |
| CN110861460A (en) * | 2019-12-25 | 2020-03-06 | 奇瑞万达贵州客车股份有限公司 | Structure of rear air suspension lower support based on 6-meter pure electric city bus |
| CN211075429U (en) * | 2019-11-27 | 2020-07-24 | 十堰市先发汽车部件有限公司 | Upper support structure of front shock absorber of urban electric light truck logistics vehicle |
-
2020
- 2020-09-27 CN CN202011030152.8A patent/CN112046224A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110065203A (en) * | 2009-12-09 | 2011-06-15 | 한국철도기술연구원 | A shock device for a bus |
| CN203305801U (en) * | 2013-06-04 | 2013-11-27 | 东风襄阳旅行车有限公司 | Upper bracket for rearmounted shock absorber on bus |
| CN211075429U (en) * | 2019-11-27 | 2020-07-24 | 十堰市先发汽车部件有限公司 | Upper support structure of front shock absorber of urban electric light truck logistics vehicle |
| CN110861460A (en) * | 2019-12-25 | 2020-03-06 | 奇瑞万达贵州客车股份有限公司 | Structure of rear air suspension lower support based on 6-meter pure electric city bus |
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