CN220996233U - Center distance adjustable semi-trailer cab apron - Google Patents

Center distance adjustable semi-trailer cab apron Download PDF

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Publication number
CN220996233U
CN220996233U CN202322844381.9U CN202322844381U CN220996233U CN 220996233 U CN220996233 U CN 220996233U CN 202322844381 U CN202322844381 U CN 202322844381U CN 220996233 U CN220996233 U CN 220996233U
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CN
China
Prior art keywords
shaft sleeve
transverse
cab apron
oil cylinder
trailer
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CN202322844381.9U
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Chinese (zh)
Inventor
叶红霞
张超
刘浩
安留学
戚加凯
刘圣杰
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China National Heavy Duty Truck Group Taian Wuyue Special Vehicle Co Ltd
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China National Heavy Duty Truck Group Taian Wuyue Special Vehicle Co Ltd
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Priority to CN202322844381.9U priority Critical patent/CN220996233U/en
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Abstract

The utility model provides a semitrailer cab apron with adjustable center distance, which comprises: a fixed shaft mounted on the frame cross member; the semi-trailer ferry plate also comprises: the device comprises a cab apron assembly, a transverse shaft sleeve assembly and a transverse oil cylinder; the transverse oil cylinder is arranged on the frame cross beam; one end of the cab apron assembly is provided with a long shaft sleeve and a short shaft sleeve; a hollowed-out part is arranged between the long shaft sleeve and the short shaft sleeve; the transverse moving shaft sleeve assembly is provided with a shaft sleeve, a vertical plate and a push plate; the vertical plate is provided with a slide rail embedded groove, one side of the groove wall of the slide rail embedded groove is fixedly connected with the push plate, and the shaft sleeve is clamped into the slide rail embedded groove; the shaft sleeve is arranged on the hollowed-out part; the frame cross beam is provided with a sliding groove, and the first end of the push plate penetrates through the sliding groove to be connected with the transverse oil cylinder. The utility model can change the relative distance between the two ferry plates, has the requirements of climbing operation of engineering machinery and wheeled vehicles with different center distances, reduces the labor intensity of operators, is safe and reliable, and improves the operation efficiency.

Description

Center distance adjustable semi-trailer cab apron
Technical Field
The utility model relates to the technical field of semi-trailer ferrying plates, in particular to a semi-trailer ferrying plate with an adjustable center distance.
Background
Most low-bed semitrailers at present use a cab apron, wherein the cab apron disclosed in the prior art is as follows: the folding cab apron device comprises two sections of folding cab apron mechanisms, a spring mechanism and a mounting seat, wherein the cab apron mechanisms comprise an upper cab apron, a lower cab apron, a clamping shaft and a hinge shaft, the mounting seat is hinged with the upper cab apron and the upper end of the spring mechanism respectively through an upper cab apron rotating shaft and a spring mechanism upper rotating shaft to form a rotatable kinematic pair, the lower end of the spring mechanism is hinged with the lower cab apron through a spring mechanism lower rotating shaft, the clamping shaft is arranged on the upper cab apron in a welding or threaded connection mode, the upper cab apron is connected with the lower cab apron through the hinge shaft, the lower cab apron can be turned 180 degrees relative to the upper cab apron around the hinge shaft, the spring mechanism is in a compression stress state when the cab apron mechanism is put down, the lower cab apron is turned inwards relative to the upper cab apron and is folded upwards automatically, and when the cab apron is put down, the lower cab apron is turned outwards by 180 degrees relative to the upper cab apron and is clamped on the clamping shaft to form a rigid carrier with the upper cab apron. The device can realize self-driving of a large engineering machine such as a wheel loader and the like to go up and down a flatcar or a semitrailer.
At present, most of the ferry plates used by the low-bed semitrailers are overturned by means of manpower or a power assisting device, the center distances of the ferry plates cannot be adjusted, the requirements of climbing operation of engineering machinery and wheeled vehicles with different center distances cannot be met, the semi-trailer cannot be compatible with the engineering machinery and the wheeled vehicles with smaller transportation center distances, great transport capacity waste is caused, the specificity is too strong, the compatibility is not high, and therefore, a time-saving and labor-saving semitrailer ferry plate mechanism with adjustable width needs to be designed.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the semi-trailer cab apron with the adjustable center distance, which can improve the compatibility of equipment with different center distances for transporting the semi-trailer and meet the use requirement.
The semitrailer cab apron of adjustable centre distance includes: a fixed shaft mounted on the frame cross member; the semi-trailer ferry plate also comprises: the device comprises a cab apron assembly, a transverse shaft sleeve assembly and a transverse oil cylinder; the transverse oil cylinder is arranged on the frame cross beam;
One end of the cab apron assembly is provided with a long shaft sleeve and a short shaft sleeve; a hollowed-out part is arranged between the long shaft sleeve and the short shaft sleeve;
The transverse moving shaft sleeve assembly is provided with a shaft sleeve, a vertical plate and a push plate;
The vertical plate is provided with a slide rail embedded groove, one side of the groove wall of the slide rail embedded groove is fixedly connected with the push plate, and the shaft sleeve is clamped into the slide rail embedded groove; the shaft sleeve is arranged on the hollowed-out part; the frame cross beam is provided with a sliding groove, and the first end of the push plate penetrates through the sliding groove to be connected with the transverse oil cylinder.
The bottom of the cab apron assembly is provided with a turnover oil cylinder; an oil cylinder connecting section is arranged on the other side of the groove wall of the slide rail embedded groove and is connected with the overturning oil cylinder.
The end part of the oil cylinder connecting section is provided with a turnover connecting hole; the overturning connecting hole is connected with the end part of the telescopic section of the overturning oil cylinder through a bolt.
The frame cross beam is also provided with a transverse sliding rail which is arranged in parallel with the fixed shaft; the setting position of the transverse sliding rail is matched with the position of the sliding groove; the outer wall of the other side of the embedded groove in the sliding rail is provided with a transverse moving clamping groove which is clamped on the transverse moving sliding rail.
The cab apron assembly is provided with a web plate, an upper wing plate and a lower wing plate; a plurality of connecting cross beams are arranged among the web plate, the upper wing plate and the lower wing plate. The middle part of cab apron assembly is equipped with a plurality of fretwork areas.
It is further noted that the center line of the sleeve, the center line of the long shaft sleeve, and the center line of the short shaft sleeve are collinear.
It is further to be noted that the second end of the push plate is provided with a transverse moving hole, and the transverse moving hole is connected with the end part of the telescopic section of the transverse cylinder through a bolt. The cross section of the push plate is L-shaped.
It is further noted that the second end of the push plate is connected with the vertical plate in a welding manner; the shaft sleeve is connected with the embedded groove of the sliding rail in a welding mode.
From the above technical scheme, the utility model has the following advantages:
The utility model provides a center distance adjustable semi-trailer cab apron which comprises a cab apron assembly, a transverse sliding shaft sleeve assembly, a transverse sliding rail, a fixed shaft, a turnover oil cylinder and a transverse oil cylinder. According to the utility model, the overturning and translation actions of the cab apron assembly are realized by virtue of the overturning oil cylinder and the transverse oil cylinder, and the overturning oil cylinder pushes the cab apron assembly to rotate around the fixed shaft; the transverse oil cylinder pushes the transverse shaft sleeve assembly to drive the cab apron assembly to realize translational movement of the cab apron, so that the adjustment of the relative distance between the two cab apron is realized. The utility model meets the requirements of climbing operation of engineering machinery and wheeled vehicles with different center distances, reduces the labor intensity of operators, is safe and reliable, and improves the operation efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a center distance adjustable semi-trailer cab apron;
FIG. 2 is a schematic diagram of a cab apron assembly;
FIG. 3 is a schematic view of a traversing bushing assembly;
Fig. 4 is a schematic diagram of an embodiment of a center distance adjustable semi-trailer cab apron structure.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 4, the center distance adjustable semi-trailer ferry provided by the utility model comprises: a fixed shaft 4 mounted on the frame cross member 7; the semi-trailer ferry plate also comprises: the device comprises a cab apron assembly 1, a transverse shaft sleeve assembly 2 and a transverse oil cylinder 5; the transverse oil cylinder 5 is arranged on the frame cross beam 7;
The cab apron assembly 1 is provided with a web plate, an upper wing plate and a lower wing plate; a plurality of connecting cross beams are arranged among the web plate, the upper wing plate and the lower wing plate, so that the supporting effect is achieved. The middle part of cab apron assembly 1 is equipped with a plurality of fretwork areas.
One end of the cab apron assembly 1 is provided with a long shaft sleeve 101 and a short shaft sleeve 102; a hollowed-out part 8 is arranged between the long shaft sleeve 101 and the short shaft sleeve 102; the other end of the cab apron assembly 1 is provided with a slope plate which is used for guiding the vehicle to the semi-trailer cab apron. The bottom of the cab apron assembly 1 is provided with supporting legs.
The traversing shaft sleeve assembly 2 is provided with a shaft sleeve 201, a vertical plate 202 and a push plate 203; the cross section of the push plate 203 is L-shaped to meet the installation size of the transverse cylinder. The vertical plate 202 is provided with a slide rail embedded groove, one side of the groove wall of the slide rail embedded groove is fixedly connected with the push plate 203, and the shaft sleeve 201 is clamped into the slide rail embedded groove; the shaft sleeve 201 is connected with the embedded groove of the sliding rail in a welding mode. The second end of the push plate 203 is connected with the vertical plate 202 in a welding mode;
The shaft sleeve 201 is arranged at the hollowed-out part; the center line of the sleeve 201, the center line of the long shaft sleeve 101 and the center line of the short shaft sleeve 102 are collinear.
The transverse oil cylinder 5 is arranged on one side of a frame cross beam, the fixed shaft 4 is arranged on the other side of the frame cross beam, a sliding groove is formed in the frame cross beam in order to enable the push plate 203 to penetrate through the frame cross beam, and the first end of the push plate 203 penetrates through the sliding groove and is connected with the transverse oil cylinder 5.
Wherein, the second end of push plate 203 is provided with a transverse moving hole, and the transverse moving hole is connected with the end of the telescopic section of transverse cylinder 5 through a bolt. The push plate 203 and the telescopic section of the transverse oil cylinder 5 are convenient to assemble and disassemble. The transverse oil cylinder 5 can drive the push plate 203 to move horizontally, so as to drive the shaft sleeve 201 and the cab apron assembly 1 to move horizontally, thereby realizing the adjustment of the horizontal position of the cab apron assembly and meeting the use requirement.
In order to stabilize the horizontal movement process, the transverse sliding rail 3 which is parallel to the fixed shaft 4 is also arranged on the frame cross beam; the setting position of the transverse sliding rail 3 is matched with the position of the sliding groove; the outer wall of the other side of the embedded groove of the sliding rail is provided with a transverse moving clamping groove 9, and the transverse moving clamping groove 9 is clamped on the transverse moving sliding rail 3.
Thus, when the transverse oil cylinder works, the shaft sleeve 201 pushes the long shaft sleeve 101 or the short shaft sleeve 102 of the cab apron assembly to realize transverse movement of the cab apron after being stressed. The embedded groove of the slide rail on the vertical plate 202 is matched with the transverse sliding rail 3 on the frame tail cross beam, so as to play a role in guiding and limiting.
Illustratively, the transverse sliding rail 3 is mounted on the outer vertical surface of a frame tail beam, a slot is reserved on the frame tail beam, and the push plate 203 passes through the slot and is connected with the transverse cylinder 5 in the frame. The push plate 203 is L-shaped to meet the installation size of the horizontal cylinder 5. The other end of the transverse oil cylinder 5 is connected with an ear plate which is fixed on the frame longitudinal beam.
The overturning process of the utility model is that an overturning oil cylinder 6 is arranged at the bottom of the cab apron assembly 1; an oil cylinder connecting section is arranged on the other side of the groove wall of the slide rail embedded groove and is connected with the overturning oil cylinder 6. The end part of the oil cylinder connecting section is provided with a turnover connecting hole; the overturning connecting hole is connected with the end part of the telescopic section of the overturning oil cylinder 6 through a bolt, so that the overturning oil cylinder 6 and the oil cylinder connecting section can be conveniently disassembled and assembled.
The working principle of the utility model is as follows: the transverse oil cylinder 5 acts to drive the push plate 203 of the transverse shaft sleeve assembly 2 to move, so that the cab apron assembly is pushed to move along the fixed shaft. When the cab apron assembly 1 and the shaft sleeve 201 synchronously move, the transverse sliding rail 3 is matched with the transverse sliding clamping groove of the vertical plate 202 to prevent the transverse sliding shaft sleeve assembly from rotating after being stressed.
When the center distance of the cab apron reaches a preset position, the control switch drives the overturning oil cylinder to act, and the overturning oil cylinder drives the cab apron assembly 1 to rotate around the fixed shaft through telescopic action. At the moment, the transverse moving shaft sleeve assembly 2 does not move, and the vertical plate of the transverse moving shaft sleeve assembly is contacted with the rear tail beam of the frame to provide an acting force fulcrum for the overturning oil cylinder. Thereby changing the relative distance between the two ferry plates so as to meet the climbing operation requirements of equipment with different center distances.
It will be appreciated that the center-to-center adjustable semi-trailer ferry provided by the present utility model, when referred to as a certain element or layer being "on" another element or layer being "connected" or "coupled" to another element or layer, may be directly on the other element or layer, be directly connected or coupled to the other element or layer, or may have intermediate elements or layers present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The center-to-center adjustable semi-trailer ferry provided by the present utility model may use spatially relative terms such as "under …," "below," "lower," "above," etc. to describe the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" may include both an orientation above and below. Other orientations of the device (90 degrees or other orientations) are possible, and spatially relative descriptors used herein interpreted accordingly.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A center distance adjustable semi-trailer cab apron, comprising: a fixed shaft (4) mounted on the frame cross member; the semi-trailer ferry plate is characterized by further comprising: the transverse shaft sleeve assembly comprises a cab apron assembly (1), a transverse shaft sleeve assembly (2) and a transverse oil cylinder (5); the transverse oil cylinder (5) is arranged on the frame cross beam;
One end of the cab apron assembly (1) is provided with a long shaft sleeve (101) and a short shaft sleeve (102); a hollowed-out part is arranged between the long shaft sleeve (101) and the short shaft sleeve (102);
The transverse moving shaft sleeve assembly (2) is provided with a shaft sleeve (201), a vertical plate (202) and a push plate (203);
The vertical plate (202) is provided with a slide rail embedded groove, one side of the groove wall of the slide rail embedded groove is fixedly connected with the push plate (203), and the shaft sleeve (201) is clamped into the slide rail embedded groove; the shaft sleeve (201) is arranged at the hollowed-out part; the frame cross beam is provided with a sliding groove, and the first end of the push plate (203) passes through the sliding groove and is connected with the transverse oil cylinder (5).
2. The center distance adjustable semi-trailer ferry according to claim 1, wherein,
The bottom of the cab apron assembly (1) is provided with a turnover oil cylinder (6);
An oil cylinder connecting section is arranged on the other side of the groove wall of the slide rail embedded groove and is connected with the overturning oil cylinder (6).
3. The center distance adjustable semi-trailer ferry according to claim 2, wherein,
The end part of the oil cylinder connecting section is provided with a turnover connecting hole; the overturning connecting hole is connected with the end part of the telescopic section of the overturning oil cylinder (6) through a bolt.
4. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The frame cross beam is also provided with a transverse sliding rail (3) which is arranged in parallel with the fixed shaft (4); the setting position of the transverse sliding rail (3) is matched with the position of the sliding groove;
The outer wall of the other side of the embedded groove in the sliding rail is provided with a transverse moving clamping groove which is clamped on the transverse moving sliding rail (3).
5. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The cab apron assembly is provided with a web plate, an upper wing plate and a lower wing plate;
A plurality of connecting cross beams are arranged among the web plate, the upper wing plate and the lower wing plate.
6. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The middle part of cab apron assembly (1) is equipped with a plurality of fretwork areas.
7. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The center line of the shaft sleeve (201), the center line of the long shaft sleeve (101) and the center line of the short shaft sleeve (102) are collinear.
8. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The second end of the push plate (203) is provided with a transverse moving hole, and the transverse moving hole is connected with the end part of the telescopic section of the transverse cylinder (5) through a bolt.
9. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The cross section of the push plate (203) is L-shaped.
10. The center distance adjustable semi-trailer ferry according to claim 1 or 2, wherein,
The second end of the push plate (203) is connected with the vertical plate (202) in a welding mode;
the shaft sleeve (201) is connected with the embedded groove of the sliding rail in a welding mode.
CN202322844381.9U 2023-10-23 2023-10-23 Center distance adjustable semi-trailer cab apron Active CN220996233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322844381.9U CN220996233U (en) 2023-10-23 2023-10-23 Center distance adjustable semi-trailer cab apron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322844381.9U CN220996233U (en) 2023-10-23 2023-10-23 Center distance adjustable semi-trailer cab apron

Publications (1)

Publication Number Publication Date
CN220996233U true CN220996233U (en) 2024-05-24

Family

ID=91123304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322844381.9U Active CN220996233U (en) 2023-10-23 2023-10-23 Center distance adjustable semi-trailer cab apron

Country Status (1)

Country Link
CN (1) CN220996233U (en)

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