CN216231524U

CN216231524U - Trailer device based on low entry bears formula city passenger train entirely

Info

Publication number: CN216231524U
Application number: CN202122932451.7U
Authority: CN
Inventors: 朱前兵; 黄利; 李建芳; 马星星; 张永
Original assignee: Chery and Wanda Guizhou Bus Co Ltd
Current assignee: Chery and Wanda Guizhou Bus Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a trailer device based on a low-inlet full-bearing type urban passenger car, which comprises connecting plates, U-shaped chutes and a large-arm beam, wherein the two connecting plates are horizontally arranged in the middle of the large-arm beam and are respectively and fixedly connected with the top end surface and the bottom end surface of the large-arm beam, the two U-shaped chutes are sleeved on the large-arm beam and are respectively positioned on two sides of the connecting plates, the opening end surfaces of the U-shaped chutes are fixedly connected with an L-shaped base side plate, a middle connecting piece is arranged on the L-shaped base bottom plate, the top of the middle connecting piece is connected with an upper cover plate, through holes are correspondingly formed in the upper cover plate and the L-shaped base bottom plate, a central positioning shaft sleeve is fixedly arranged between the upper cover plate and the L-shaped base through the through holes, and an upper fork arm is inserted in the central positioning shaft sleeve. The utility model solves the problem that the vehicle types with various lengths and widths cannot be effectively fixed due to different structures, meets the requirements of trailers of various vehicle types in a full-load series, and ensures the universality, safety and reliability in the using process.

Description

Trailer device based on low entry bears formula city passenger train entirely

Technical Field

The utility model belongs to the technical field of passenger car manufacturing, and particularly relates to a trailer device based on a low-inlet full-bearing type urban passenger car.

Background

In recent years, pure electric city buses with full-load type vehicle body structures are more and more appeared in various cities in China, and the good performance of the full-load type vehicle body structures is widely accepted. Adopt full bearing structure, make the driving of passenger train have agility, stationarity, travelling comfort and security more, including its humanized configuration, low emission, the design such as environmental protection ization, passenger space are big, embody that "science and technology that modern society advocated is leading, the theory of people oriented", also made full bearing type city, the unique product advantage of passenger train, specifically as follows:

1) the whole vehicle body adopts a closed ring structure, the whole vehicle body participates in load, the upper part and the lower part of the vehicle body are integrated, and when the vehicle body bears the load, the whole vehicle body shell reaches a stable balance state;

2) the strength and the rigidity of the whole vehicle are increased; because the urban passenger car has bad running conditions, such as serious overload, frequent starting and braking, and the car body framework is required to have enough strength, numerous passenger car manufacturers in China cannot solve the problem, after the car runs for one or two years, the passenger door upright posts are cracked one after another, and the full-bearing car body structure can effectively avoid the problem;

3) the comfort is good, and the noise is low; in the fully-bearing type vehicle body structure, all connecting parts of a vehicle body and an underframe are welded to form a whole without relative movement, so that a plurality of noise sources are reduced compared with other vehicle bodies;

4) the window glass is maximized and the visual field is widened; the same height dimension, use the full formula of bearing body structure, side window glass can make the maximize, is favorable to appreciating city beautiful scenery, and the driver's field of vision is more open simultaneously, convenient operation.

Because of the whole car structure needs and the national standard requirement that needs satisfied the one-level of low entry full-bearing formula city passenger train and mark time, the distance of plane and ground is less under the frame front end, and in order to guarantee rigidity and the intensity requirement of whole car structure, the upper and lower crossbeam height of frame should not the undersize, consequently, when whole car breaks down and needs long distance to drag the vehicle, present trailer device can't drag the vehicle smoothly.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides the trailer device based on the low-entrance full-bearing type urban passenger car, and the universality, the safety and the reliability of the trailer device in the using process are improved.

The utility model adopts the technical scheme that the trailer device based on the low-inlet full-bearing type urban passenger car comprises an upper fork arm, an upper cover plate, a central positioning shaft sleeve, a middle connecting piece, an L-shaped base, connecting plates, U-shaped chutes and a big arm beam, wherein the two connecting plates are horizontally arranged in the middle of the big arm beam and are respectively and fixedly connected with the top end surface and the bottom end surface of the big arm beam, the openings of the two U-shaped chutes are forwards sleeved on the big arm beam and are respectively positioned on two sides of the connecting plates, the front end surface of each U-shaped chute is fixedly connected with an L-shaped base side plate, the middle connecting piece is arranged on a bottom plate of the L-shaped base, the top of the middle connecting piece is connected with the upper cover plate, through holes are correspondingly formed in the upper cover plate and the bottom plate of the L-shaped base, the central positioning shaft sleeve is fixedly arranged between the upper cover plate and the L-shaped base through the through holes, and the upper fork arm is inserted in the central positioning shaft sleeve.

Preferably, a plurality of adjusting holes are correspondingly formed in the side wall of the large-arm beam at intervals of a preset distance, and bolts and nuts are arranged in the adjusting holes in a matched mode.

Preferably, the upper fork arm comprises a U-shaped arm and a fixed rod, the top end of the fixed rod is fixedly connected with the bottom end of the U-shaped arm, the fixed rod is matched with the central positioning shaft sleeve, the upper fork arm is connected with the central positioning shaft sleeve in an inserting mode through the fixed rod, and the U-shaped arm is located above the upper cover plate.

Preferably, the front end of the connecting plate is flush with the side wall of the front end of the big arm beam, the rear end of the connecting plate extends out of the side wall of the rear end of the big arm beam, and the connecting plate is correspondingly provided with a fixing hole.

Preferably, the middle part of the joint of the upper cover plate, the L-shaped base side plate and the U-shaped sliding groove is fixedly connected with a middle reinforcing rib, and the two sides of the middle reinforcing rib are fixedly connected with reinforcing ribs.

Preferably, the reinforcing rib, the middle reinforcing rib, the upper cover plate, the central positioning shaft sleeve, the middle connecting piece, the L-shaped base and the U-shaped chute are welded into a component assembly I by adopting carbon dioxide arc welding.

Preferably, the connecting plate and the cantilever beam are welded into a component assembly II by adopting carbon dioxide arc welding.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is suitable for the city passenger car with the full-bearing type car body structure, and based on the requirement of the whole car structure of the low-entrance full-bearing type city passenger car and the national standard requirement that the whole car structure of the low-entrance full-bearing type city passenger car needs to meet the first-level stepping, the structure of the trailer device is designed, so that the connection integrity of the trailer device and the car body is improved, the reliability of the whole structure of the full-bearing type car body is ensured, the advantage maximization is realized, the front end cross beam of the car frame can be smoothly and reliably utilized, and the purpose of smoothly dragging the car is achieved; in addition, the problem that various length and width motorcycle type structures are different and can not be effectively fixed is solved to this device, satisfies the trailer demand that bears the various motorcycle types of series entirely, guarantees its commonality, security and the reliability at the in-process that uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the upper yoke structure of the present invention;

FIG. 3 is a schematic view of a sub-assembly of the present invention;

FIG. 4 is a schematic view of the construction of a component of the sub-assembly of the present invention;

FIG. 5 is a schematic structural view of a subassembly of the present invention;

FIG. 6 is a schematic structural view of two parts of the sub-assembly of the present invention;

the labels in the figure are: 1. go up yoke, 101, U type arm, 102, dead lever, 2, strengthening rib, 3, middle part strengthening rib, 4, upper cover plate, 5, central locating axle sleeve, 6, middle part connecting piece, 7, L type base, 8, connecting plate, 9, U type spout, 10, big armed beam, 11, bolt, 12, nut.

Detailed Description

The utility model 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.

Example 1

As shown in fig. 1-6, a trailer device based on a low-inlet full-load type urban bus comprises an upper yoke 1, reinforcing ribs 2, middle reinforcing ribs 3, an upper cover plate 4, a central positioning shaft sleeve 5, a middle connecting piece 6, an L-shaped base 7, a connecting plate 8, a U-shaped chute 9 and a boom beam 10.

The large arm beam 10 is a rectangular tube, the two connecting plates 8 are horizontally arranged in the middle of the large arm beam 10 and are respectively and fixedly connected with the top end face and the bottom end face of the large arm beam 10, the openings of the two U-shaped chutes 9 are forwards sleeved on the large arm beam 10 and are respectively positioned on two sides of the connecting plates 8, the front end face of each U-shaped chute 9 is fixedly connected with the side plate of the L-shaped base 7, and the bottom plate of the L-shaped base 7 is flush with the bottom end face of the U-shaped chute 9; the middle connecting piece 6 is a rectangular tube with an opening at the top end and the bottom end, the middle connecting piece 6 is arranged on a bottom plate of the L-shaped base 7, the top of the middle connecting piece 6 is connected with the upper cover plate 4, the central positioning shaft sleeve 5 is fixedly arranged between the upper cover plate 4 and the L-shaped base 7, through holes are formed in the upper cover plate 4 and the bottom plate of the L-shaped base 7 corresponding to the central positioning shaft sleeve 5, the upper end face and the lower end face of the central positioning shaft sleeve 5 are respectively flush with the end faces of the upper cover plate 4 and the bottom plate of the L-shaped base 7, and the upper fork arm 1 is connected with the central positioning shaft sleeve 5 in an inserting mode.

Specifically, the reinforcing rib 2, the middle reinforcing rib 3, the upper cover plate 4, the central positioning shaft sleeve 5, the middle connecting piece 6, the L-shaped base 7 and the U-shaped chute 9 are welded into a component assembly I by adopting carbon dioxide arc welding; the connecting plate 8 and the cantilever beam 10 are welded into a component assembly II by adopting carbon dioxide arc welding; the connection firmness of the structure of the reinforcing device is enhanced, and the reinforcing device is convenient to assemble and disassemble and flexible to use.

Preferably, a plurality of adjusting holes are correspondingly formed in the side wall of the large-arm beam 10 at intervals of a preset distance, bolts 11 and nuts 12 are arranged in the adjusting holes in a matched mode, the fixing position of the U-shaped sliding groove 9 is adjusted through the adjusting holes, the problem that vehicle types with various lengths and widths are different in structure and cannot be effectively fixed is solved, and the requirements of trailers of various vehicle types in a full-bearing series are met.

Preferably, the upper yoke 1 comprises a U-shaped arm 101 and a fixing rod 102, the top end of the fixing rod 102 is fixedly connected with the bottom end of the U-shaped arm 101, the fixing rod 102 is matched with the central positioning shaft sleeve 5, the upper yoke 1 is inserted into the central positioning shaft sleeve 5 through the fixing rod 102, and the U-shaped arm 101 is located above the upper cover plate 4; go up yoke 1 and connect the trailer rope through U type arm 101, dead lever 102 pegs graft with central positioning axle sleeve 5, is favorable to rotating angle regulation, uses in a flexible way, and is convenient for load and unload.

Preferably, the front end of the connecting plate 8 is flush with the side wall of the front end of the large-arm beam 10, the rear end of the connecting plate 8 extends out of the side wall of the rear end of the large-arm beam 10, fixing holes are correspondingly formed in the connecting plate 8, and the trailer device is fixed to the front end of the vehicle body or a rear end cross beam through the fixing holes of the connecting plate 8.

Preferably, the middle part of the joint of the upper cover plate 4 and the side plate of the L-shaped base 7 and the U-shaped sliding groove 9 is fixedly connected with the middle reinforcing rib 3, the two sides of the middle reinforcing rib 3 are fixedly connected with the reinforcing ribs 2, and the connection firmness of the upper cover plate 4 and the L-shaped base 7 and the U-shaped sliding groove 9 is enhanced.

The use principle is as follows: the second sub-assembly is installed on a cross beam at the front end or the rear end of the vehicle body through a fixing hole in the connecting plate 8, the first sub-assembly after welding is sleeved into the second sub-assembly, the position of the first sub-assembly is determined according to the vehicle type, the first sub-assembly is fixed through adjusting holes in two sides of the first sub-assembly through bolts 11 and nuts 12, the upper fork arm 1 is inserted into the central positioning shaft sleeve 5, and the U-shaped arm 101 is connected with a trailer rope.

The trailer device provided by the utility model is designed based on the requirements of the whole vehicle structure of a low-entrance full-bearing type urban passenger vehicle and the national standard requirement that one-level stepping needs to be met, ensures the reliability of the whole structure of a full-bearing type vehicle body, realizes the maximization of advantages, can smoothly and reliably utilize the front end cross beam of the vehicle frame, achieves the aim of smoothly dragging the vehicle, and improves the universality, safety and reliability of the trailer device in the using process.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims

1. A trailer device based on a low-entrance full-load-bearing type urban bus is characterized by comprising an upper yoke (1), an upper cover plate (4), a central positioning shaft sleeve (5), a middle connecting piece (6), an L-shaped base (7), connecting plates (8), U-shaped chutes (9) and a boom beam (10), wherein the two connecting plates (8) are horizontally arranged in the middle of the boom beam (10) and are respectively and fixedly connected with the top end surface and the bottom end surface of the boom beam (10), the openings of the two U-shaped chutes (9) are forwards sleeved on the boom beam (10) and are respectively positioned on the two sides of the connecting plates (8), the front end surface of the U-shaped chute (9) is fixedly connected with the side plates of the L-shaped base (7), the middle connecting piece (6) is arranged on the bottom plate of the L-shaped base (7), the top of the middle connecting piece (6) is connected with the upper cover plate (4), and the central positioning shaft sleeve (5) is longitudinally and fixedly arranged between the upper cover plate (4) and the L-shaped base (7), and through holes are formed in the upper cover plate (4) and the bottom plate of the L-shaped base (7) corresponding to the central positioning shaft sleeve (5), and the upper fork arm (1) is inserted into the central positioning shaft sleeve (5).

2. The low-entrance full-load type urban passenger car-based trailer device according to claim 1, wherein a plurality of adjusting holes are correspondingly formed in the side wall of the cantilever beam (10) at intervals of a preset distance, and a bolt (11) and a nut (12) are arranged in the adjusting holes in a matching manner.

3. The low-entrance full-load type urban passenger vehicle-based trailer device according to claim 1, wherein the upper yoke (1) comprises a U-shaped arm (101) and a fixing rod (102), the top end of the fixing rod (102) is fixedly connected with the bottom end of the U-shaped arm (101), the fixing rod (102) is matched with the central positioning shaft sleeve (5), the upper yoke (1) is inserted into the central positioning shaft sleeve (5) through the fixing rod (102), and the U-shaped arm (101) is located above the upper cover plate (4).

4. The low-entrance full-load type urban passenger car-based trailer device according to claim 1, wherein the front end of the connecting plate (8) is flush with the front end side wall of the boom beam (10), the rear end of the connecting plate (8) extends out of the rear end side wall of the boom beam (10), and the connecting plate (8) is correspondingly provided with a fixing hole.

5. The trailer device based on the low-inlet full-load type urban bus according to claim 1, wherein the middle part of the joint of the upper cover plate (4) and the side plate of the L-shaped base (7) and the U-shaped sliding groove (9) is fixedly connected with the middle reinforcing rib (3), and the two sides of the middle reinforcing rib (3) are fixedly connected with the reinforcing ribs (2).

6. The trailer device based on the low-inlet full-load type urban bus according to claim 5, wherein the reinforcing rib (2), the middle reinforcing rib (3), the upper cover plate (4), the central positioning shaft sleeve (5), the middle connecting piece (6), the L-shaped base (7) and the U-shaped chute (9) are welded into a first component assembly by carbon dioxide arc welding.

7. The low-entrance full-load type city bus-based trailer device as claimed in claim 1, wherein the connecting plate (8) and the boom beam (10) are welded by carbon dioxide arc welding to form a second component assembly.