CN110696571A - Coupler connecting device and middle axle trailer using same - Google Patents

Coupler connecting device and middle axle trailer using same Download PDF

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Publication number
CN110696571A
CN110696571A CN201911081704.5A CN201911081704A CN110696571A CN 110696571 A CN110696571 A CN 110696571A CN 201911081704 A CN201911081704 A CN 201911081704A CN 110696571 A CN110696571 A CN 110696571A
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CN
China
Prior art keywords
coupler
connecting device
connection
plates
connecting portion
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Granted
Application number
CN201911081704.5A
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Chinese (zh)
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CN110696571B (en
Inventor
郏连喜
唐华
张海朋
焦旭
刘志方
孙林明
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Zhumadian Vast Hongyuan Vehicle Industry Co Ltd
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Zhumadian Vast Hongyuan Vehicle Industry Co Ltd
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Application filed by Zhumadian Vast Hongyuan Vehicle Industry Co Ltd filed Critical Zhumadian Vast Hongyuan Vehicle Industry Co Ltd
Priority to CN201911081704.5A priority Critical patent/CN110696571B/en
Publication of CN110696571A publication Critical patent/CN110696571A/en
Application granted granted Critical
Publication of CN110696571B publication Critical patent/CN110696571B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/248Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for measuring, indicating or displaying the weight

Abstract

The invention belongs to the field of connecting devices, and particularly relates to a coupler connecting device and a centrally-mounted shaft trailer using the coupler connecting device, wherein the coupler connecting device is applied to the centrally-mounted shaft trailer and comprises a coupler connecting device body and a weighing sensor connected with a controller in a tractor of the corresponding centrally-mounted shaft trailer, the coupler connecting device body comprises an upper connecting part connected with a longitudinal beam of the corresponding tractor and a lower connecting part connected with a corresponding coupler assembly, the left end and the right end of the bottom of the upper connecting part are provided with lower bending parts bent to be horizontal, the left end and the right end of the top of the lower connecting part are provided with upper bending parts bent to be horizontal, and the weighing sensor is arranged between the lower bending part and the upper bending part on the same side. The invention is used for solving the technical problem that the existing middle axle trailer cannot master the load of the coupler in real time.

Description

Coupler connecting device and middle axle trailer using same
Technical Field
The invention belongs to the field of connecting devices, and particularly relates to a coupler connecting device and a centrally-mounted axle trailer using the coupler connecting device.
Background
With the continuous development of the Chinese expressway and the increasing importance of the nation on the safe operation of the vehicle, the middle-mounted shaft trailer has the advantage that the vehicle type has very excellent trafficability because the middle-mounted shaft trailer is mainly connected with the articulated shaft and the articulated point is close to the middle part of the train.
GB1589-2016 has a clear definition of a mid-axle trailer: the towing attachment cannot move vertically (relative to the trailer), the axle is located close to the center of gravity of the trailer (when evenly loaded), and such vehicles have only a small vertical static load on the towing attachment, not exceeding a load corresponding to 10% of the maximum mass of the trailer or 10000N (whichever is smaller). One or more of the shafts may be driven by a towing vehicle.
The coupler is used for connecting the tractor and the trailer in the middle-axle trailer, the coupler bears the vertical static load of the trailer, if the load of the coupler exceeds 10% or 10000N of the maximum total mass of the trailer or is lower than the maximum total mass of the trailer, the potential hazard is brought to the safe operation of the vehicle, and no effective means for grasping the load of the coupler in real time exists at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a coupler connecting device and a middle-mounted axle trailer using the coupler connecting device, which are used for solving the technical problem that the existing middle-mounted axle trailer cannot master the load of a coupler in real time.
In order to achieve the purpose, the technical scheme of the invention is as follows: coupler connecting device is applied to and puts a trailer in, including coupler connecting device body and with the corresponding weighing sensor who puts a trailer in the tractor that the controller is connected in, coupler connecting device body is including being used for the last connecting portion be connected with corresponding tractor longeron and being used for the lower connecting portion be connected with corresponding coupler assembly, both ends have the lower kink portion of buckling to the horizontally about going up the connecting portion bottom, both ends have the last kink of buckling to the horizontally about the connecting portion top down, the homonymy the lower kink portion reaches set up between the last kink weighing sensor.
Preferably, the weighing sensor is arranged along the front-back direction of the coupler connecting device body, the middle of the weighing sensor is connected with the upper connecting part, and two ends of the weighing sensor are connected with the lower connecting part.
Preferably, the weighing sensor and the upper connecting part are detachably connected through a bolt.
Preferably, the weighing sensor and the lower connecting part are detachably connected through a bolt.
Preferably, the upper connecting portion has upper connecting plates at left and right ends thereof, the upper connecting plates are of a bent plate structure including an upper straight plate extending vertically and a lower bent plate extending horizontally, and the lower bent plate forms the lower bent portion.
Preferably, a connecting beam is arranged in the middle of the upper connecting portion and connected between the two upper connecting plates, U-shaped steel used for being connected with the longitudinal beam of the tractor is arranged on the inner side of each upper connecting plate, and the two U-shaped steel are arranged oppositely.
Preferably, the left end and the right end of the lower connecting part are provided with lower connecting plates, the lower connecting plates are of bending plate structures comprising lower straight plates extending vertically and upper bending plates extending horizontally, and the upper bending plates form the upper bending parts.
Preferably, a coupler fixing cross beam is arranged in the middle of the lower connecting portion, cross beam end plates perpendicular to the coupler fixing cross beam are arranged at two ends of the coupler fixing cross beam, the coupler fixing cross beam is connected between the two lower connecting plates through the cross beam end plates, and a connecting portion used for being connected with a coupler assembly is arranged in the middle of the coupler fixing cross beam.
Preferably, a reinforcing rib is arranged at the joint of the coupler fixing cross beam and the cross beam end plate.
The utility model provides a put a trailer in, includes coupler connecting device, coupler connecting device include coupler connecting device body and with put the weighing sensor that the interior controller of tractor of a trailer is connected in, coupler connecting device body is including being used for the last connecting portion be connected with corresponding tractor longeron and being used for the lower connecting portion be connected with corresponding coupler assembly, both ends have the lower kink portion of buckling to the horizontally about going up the connecting portion bottom, both ends have the last kink of buckling to the horizontally about the connecting portion top down, the homonymy the lower kink portion reaches go up and set up between the kink weighing sensor.
Preferably, the weighing sensor is arranged along the front-back direction of the coupler connecting device body, the middle of the weighing sensor is connected with the upper connecting part, and two ends of the weighing sensor are connected with the lower connecting part.
Preferably, the weighing sensor and the upper connecting part are detachably connected through a bolt.
Preferably, the weighing sensor and the lower connecting part are detachably connected through a bolt.
Preferably, the upper connecting portion has upper connecting plates at left and right ends thereof, the upper connecting plates are of a bent plate structure including an upper straight plate extending vertically and a lower bent plate extending horizontally, and the lower bent plate forms the lower bent portion.
Preferably, a connecting beam is arranged in the middle of the upper connecting portion and connected between the two upper connecting plates, U-shaped steel used for being connected with the longitudinal beam of the tractor is arranged on the inner side of each upper connecting plate, and the two U-shaped steel are arranged oppositely.
Preferably, the left end and the right end of the lower connecting part are provided with lower connecting plates, the lower connecting plates are of bending plate structures comprising lower straight plates extending vertically and upper bending plates extending horizontally, and the upper bending plates form the upper bending parts.
Preferably, a coupler fixing cross beam is arranged in the middle of the lower connecting portion, cross beam end plates perpendicular to the coupler fixing cross beam are arranged at two ends of the coupler fixing cross beam, the coupler fixing cross beam is connected between the two lower connecting plates through the cross beam end plates, and a connecting portion used for being connected with a coupler assembly is arranged in the middle of the coupler fixing cross beam.
Preferably, a reinforcing rib is arranged at the joint of the coupler fixing cross beam and the cross beam end plate.
The technical scheme adopted by the invention has the beneficial effects that:
through the pattern that sets up the coupler connection frock into components of a whole that can function independently from top to bottom, be provided with down kink and last kink on last connecting portion and the lower connecting portion respectively, be provided with weighing sensor between lower kink and the last kink, coupler assembly and the coupler assembly that connecting portion connect down pass through the traction lever and the trailer is connected during the use, the trailer drives connecting portion down for the perpendicular dead load of coupler, the power that force cell between lower kink and the last kink detected this moment, be the perpendicular dead load that the coupler assembly received promptly, force cell's detected value transmits the controller in the tractor, the load situation of coupler has been mastered in real time to the driver has been made things convenient for, promote intelligence and security.
Drawings
FIG. 1 is a front view of an embodiment of a coupler attachment device;
FIG. 2 is a left side view of an embodiment of the coupler connection device in use;
FIG. 3 is a schematic view of an upper connection plate of the coupler connection device;
fig. 4 is a schematic view of a lower connection plate of the coupler connection device.
In FIGS. 1-4, 1-upper connecting part, 11-upper connecting plate, 111-upper straight plate, 112-lower bent plate, 12-connecting beam, 13-U-shaped steel, 2-lower connecting part, 21-lower connecting plate, 211-lower straight plate, 212-upper bent plate, 22-beam end plate, 23-coupler fixing beam, 24-reinforcing rib, 3-weighing sensor, 4-upper bolt, 5-lower bolt, 6-coupler assembly, 7-traction rod and 8-tractor longitudinal beam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Embodiment 1 of the coupler connecting device, as shown in fig. 1-4, includes a coupler connecting device body and a weighing sensor 3 connected with a corresponding tractor inner controller, the coupler connecting device body includes an upper connecting portion 1 for connecting with a tractor longitudinal beam 8 and a lower connecting portion 2 for connecting with a corresponding coupler assembly 6, the left and right ends of the bottom of the upper connecting portion 1 have lower bent portions bent to the horizontal, the left and right ends of the top of the lower connecting portion 2 have upper bent portions bent to the horizontal, the upper bent portions are suspended to the upper side of the lower bent portions at the same side, and the weighing sensor 3 is disposed between the lower bent portions and the upper bent portions at the same side; go up connecting portion 1 and the longeron of corresponding tractor and connect, lower connecting portion 2 passes through bolted connection coupler assembly 6, coupler assembly 6 connects the trailer through traction lever 7, the vertical gravity of trailer passes through traction lever 7 and transmits to coupler assembly 6, the lower connecting portion 2 that is connected with coupler assembly 6 this moment receives decurrent power, and then go up the kink and act on weighing sensor 3, weighing sensor 3 detects the force-bearing signal and transmits to the controller, the atress that weighing sensor 3 detected is the vertical load of coupler assembly 6 promptly.
Further, the weighing sensor 3 is arranged along the front-back direction of the coupler connecting device body, the middle of the weighing sensor 3 is connected with the upper connecting part 1, and two ends of the weighing sensor 3 are connected with the lower connecting part 2; in this way, the downward force of the lower connecting part 2 acts completely on the load cell 3, so that the load cell 3 can better detect the vertical load of the coupler assembly 6
Furthermore, the middle of the weighing sensor 3 is detachably connected with the lower bent plate 112 through a lower bolt 5, and the two ends of the weighing sensor 3 are detachably connected with the upper bent plate 212 through an upper bolt 4; the detachable connection between the weighing sensor 3 and the upper connecting part 1 and the lower connecting part 2 facilitates the individual replacement of damaged parts.
Furthermore, the left end and the right end of the upper connecting part 1 are provided with upper connecting plates 11, the upper connecting plates 11 are of a bent plate structure comprising an upper straight plate 111 extending vertically and a lower bent plate 112 extending horizontally outwards, and the lower bent plate 112 forms a lower bent part; the middle of the upper connecting part 1 is provided with a connecting beam 12, the connecting beam 12 is connected between two upper connecting plates 11, U-shaped steel 13 used for being connected with the longitudinal beam 8 of the tractor is arranged on the inner side of each upper connecting plate 11, and the two U-shaped steel 13 are oppositely arranged; the U-shaped steel 13 and the longitudinal beam of the tractor are fixed together, so that the upper connecting part and the tractor are connected together, and the two ends of the connecting beam 12 are connected with the upper connecting plate 11, so that the structure of the upper connecting part 1 is more stable; the lower bent plate 112 supports the load cell 3, and the load cell 3 is pressed to be weighed when the lower connecting portion 2 is pressed down.
Furthermore, the left and right ends of the lower connecting part 2 are provided with lower connecting plates 21, the lower connecting plates 21 are of a bending plate structure comprising a lower straight plate 211 extending vertically and an upper bending plate 212 extending horizontally towards the inner side, and the upper bending plate 212 forms an upper bending part; a coupler fixing cross beam 23 is arranged in the middle of the lower connecting part 2, cross beam end plates 22 perpendicular to the coupler fixing cross beam 23 are arranged at two ends of the coupler fixing cross beam 23, the coupler fixing cross beam 23 is connected between the two lower connecting plates 21 through the cross beam end plates 22, a connecting part used for being connected with the coupler assembly 6 is arranged in the middle of the coupler fixing cross beam 23, and reinforcing ribs 24 are arranged at the connecting part of the coupler fixing cross beam 23 and the cross beam end plates 22; the coupler fixing cross beam 23 is connected with the two lower connecting plates 21 through the cross beam end plates 22 at the two ends of the coupler fixing cross beam 23 to form the lower connecting part 2, the structure is stable, and meanwhile, the arrangement of the reinforcing ribs 24 further enhances the internal stability of the lower connecting part 2; the load cell 3 is installed between the upper bending plate 212 and the lower bending plate 112, the load of the coupler assembly 6 acts on the lower connecting portion 2, the lower connecting portion 2 presses the load cell 3 through the upper bending plate 212 overhanging over the lower bending plate 112, and the force detected by the load cell 3 at this time is the vertical load of the coupler assembly 6.
In other embodiments, the upper bending portion is suspended below the lower bending portion on the same side as the upper bending portion, two ends of the weighing sensor are connected with the lower bending portion, the middle of the weighing sensor is connected with the upper bending portion, and other structures are not described herein again.
A mid-axle trailer, as shown in fig. 1-4, includes a coupler attachment arrangement according to any of the embodiments described above.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without modification.

Claims (10)

1. Coupler connecting device is applied to and puts a trailer in, its characterized in that, including coupler connecting device body and with the corresponding weighing sensor who puts a trailer in the tractor of trailer in and be connected, coupler connecting device body is including being used for the last connecting portion be connected with corresponding tractor longeron and being used for the lower connecting portion be connected with corresponding coupler assembly, both ends have the lower kink portion of buckling to the horizontally about going up the connecting portion bottom, both ends have the last kink of buckling to the horizontally about the lower connecting portion top, the homonymy the lower kink portion reaches set up between the last kink weighing sensor.
2. The coupler connecting device according to claim 1, wherein the load cell is disposed along a front-rear direction of the coupler connecting device body, a middle of the load cell is connected to the upper connecting portion, and both ends of the load cell are connected to the lower connecting portion.
3. The coupler connection device according to claim 2, wherein the load cell and the upper connection portion are detachably connected by a bolt.
4. The coupler connection device according to claim 3, wherein the load cell and the lower connection portion are detachably connected by a bolt.
5. The coupler connecting device according to any one of claims 1 to 4, wherein the upper connecting portion has upper connecting plates at left and right ends thereof, the upper connecting plates being of a bent plate structure including an upper straight plate extending vertically and a lower bent plate extending horizontally, the lower bent plate forming the lower bent portion.
6. The coupler connection device according to claim 5, wherein the upper connection portion has a connection beam in the middle, the connection beam is connected between two upper connection plates, U-shaped steel for connection with a tractor longitudinal beam is arranged inside the upper connection plates, and the two U-shaped steel are arranged oppositely.
7. The coupler connecting device according to any one of claims 1 to 4, wherein the lower connecting portion has lower connecting plates at left and right ends thereof, the lower connecting plates are of a bent plate structure including a lower straight plate extending vertically and an upper bent plate extending horizontally, and the upper bent plate forms the upper bent portion.
8. The coupler connecting device according to claim 7, wherein the lower connecting portion has a coupler fixing beam in the middle, the coupler fixing beam is provided with beam end plates perpendicular to the coupler fixing beam at two ends, the coupler fixing beam is connected between the two lower connecting plates through the beam end plates, and the coupler fixing beam is provided with a connecting portion in the middle for connecting with a coupler assembly.
9. The coupler connecting device according to claim 8, wherein a reinforcing rib is provided at a connection of the coupler fixing beam and the beam end plate.
10. A mid-axle trailer comprising a coupler attachment arrangement as claimed in any one of claims 1 to 9.
CN201911081704.5A 2019-11-07 2019-11-07 Coupler connecting device and middle-mounted axle trailer using same Active CN110696571B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907600A (en) * 2020-07-20 2020-11-10 东风商用车有限公司 Chassis connecting device suitable for middle axle trailer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2267455Y (en) * 1996-10-21 1997-11-12 丰建国 Arrangement for assembling weighing sensor
DE10154733A1 (en) * 2001-11-09 2003-05-22 Amazonen Werke Dreyer H Weighing device for determining the weight of material in a hopper carried on a single axle trailer has weighing cells between chassis and axle and between the drawbar and a pulling lug in a simple easily fitted arrangement
DE102005030441A1 (en) * 2005-06-30 2007-01-04 Guido Weckelmann Weighing scales at the towing link between a tractor vehicle and a trailer, to show the weight on the tow bar as the trailer is loaded, has a joint showing the angular shift between the tow bar and the shaft and a sliding pin indicator
EP2261613A1 (en) * 2009-06-10 2010-12-15 Quasard Investissements Device for measuring weights and accelerations experienced by the content of a container, surveillance method for this content
US20130253814A1 (en) * 2012-03-24 2013-09-26 Alvin R. Wirthlin System and Method for Gauging Safe Towing Parameters
CN206417092U (en) * 2016-12-29 2017-08-18 北京福田戴姆勒汽车有限公司 Central axle towing motorcar
CH714330A2 (en) * 2017-11-15 2019-05-15 Larag Ag Drawbar weighing system for mounting on a towing vehicle.
CN208984201U (en) * 2018-11-06 2019-06-14 长沙智能驾驶研究院有限公司 Semitrailer vehicle-mounted weighing system and semitrailer
CN109932034A (en) * 2019-03-01 2019-06-25 利康森隆(丹阳)智能机械有限公司 A kind of vehicle-mounted Weighing mechanism of central axle and its weighing method
US20190232740A1 (en) * 2018-01-29 2019-08-01 Progress Mfg. Inc. Apparatus and method for measuring force on weight distribution hitches

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2267455Y (en) * 1996-10-21 1997-11-12 丰建国 Arrangement for assembling weighing sensor
DE10154733A1 (en) * 2001-11-09 2003-05-22 Amazonen Werke Dreyer H Weighing device for determining the weight of material in a hopper carried on a single axle trailer has weighing cells between chassis and axle and between the drawbar and a pulling lug in a simple easily fitted arrangement
DE102005030441A1 (en) * 2005-06-30 2007-01-04 Guido Weckelmann Weighing scales at the towing link between a tractor vehicle and a trailer, to show the weight on the tow bar as the trailer is loaded, has a joint showing the angular shift between the tow bar and the shaft and a sliding pin indicator
EP2261613A1 (en) * 2009-06-10 2010-12-15 Quasard Investissements Device for measuring weights and accelerations experienced by the content of a container, surveillance method for this content
US20130253814A1 (en) * 2012-03-24 2013-09-26 Alvin R. Wirthlin System and Method for Gauging Safe Towing Parameters
CN206417092U (en) * 2016-12-29 2017-08-18 北京福田戴姆勒汽车有限公司 Central axle towing motorcar
CH714330A2 (en) * 2017-11-15 2019-05-15 Larag Ag Drawbar weighing system for mounting on a towing vehicle.
US20190232740A1 (en) * 2018-01-29 2019-08-01 Progress Mfg. Inc. Apparatus and method for measuring force on weight distribution hitches
CN208984201U (en) * 2018-11-06 2019-06-14 长沙智能驾驶研究院有限公司 Semitrailer vehicle-mounted weighing system and semitrailer
CN109932034A (en) * 2019-03-01 2019-06-25 利康森隆(丹阳)智能机械有限公司 A kind of vehicle-mounted Weighing mechanism of central axle and its weighing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907600A (en) * 2020-07-20 2020-11-10 东风商用车有限公司 Chassis connecting device suitable for middle axle trailer

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Denomination of invention: Coupler connection device and center axle trailer using the coupler connection device

Effective date of registration: 20230725

Granted publication date: 20221101

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