CN216467202U

CN216467202U - Telescopic rigid traction arm for heavy-duty vehicle

Info

Publication number: CN216467202U
Application number: CN202122638933.1U
Authority: CN
Inventors: 冯广斌; 赵虎; 李万领; 梁伟杰; 王正军; 毛向东; 刘永进; 张连武; 黄文斌; 赵哗; 蔡娜; 鲁吉林
Original assignee: 32181 Troops of PLA
Current assignee: 32181 Troops of PLA
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-10
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a telescopic rigid traction arm of a heavy vehicle, belonging to the technical field of vehicle emergency repair, comprising a connecting part, a first traction rod and a second traction rod, wherein the end parts of the first traction rod and the second traction rod are respectively provided with a fault connecting part, the connecting part is provided with two oppositely arranged clamping hooks, the two clamping hooks are rotatably arranged on the connecting part, and the connecting part is provided with a clamping driving mechanism for driving the clamping hooks to rotate. When the telescopic rigid traction arm of the heavy vehicle provided by the utility model is used for towing a fault vehicle, the second traction rod is hinged to the side surface of the connecting part, so that the angle between the first traction rod and the second traction rod can be conveniently adjusted. Can press from both sides tight actuating mechanism and drive two tight couples of clamp and rotate and realize opening and the closure that the tight couple of clamp, can realize adapting unit and salvage the connection installation of vehicle fast, make the connection installation of trailing arm more convenient, improve the work efficiency that the rescue was salvageed to the vehicle.

Description

Telescopic rigid traction arm for heavy-duty vehicle

Technical Field

The utility model belongs to the technical field of vehicle emergency repair, and particularly relates to a telescopic rigid traction arm of a heavy vehicle.

Background

With the progress and development of society, vehicles are increasingly used in daily life of people, wherein heavy vehicles play an important role in traffic logistics, but when the heavy vehicles have faults and cannot move, emergency repair vehicles are required to be used for towing the heavy vehicles to repair plants or safe areas for maintenance, and a towing arm is generally required to be used for connecting the emergency repair vehicles with accident vehicles in the towing process. However, the end part of the conventional traction arm is difficult to connect and install with an emergency repair rescue vehicle when the conventional traction arm is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic rigid traction arm of a heavy vehicle, and aims to solve the problem that the end part of the traction arm is difficult to connect and mount with an emergency repair rescue vehicle in the prior art.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a flexible rigidity draft arm of heavy-duty car, is in including adapting unit, the tip setting that is used for fixing on salvageing the vehicle first traction lever on the adapting unit side and the articulated setting of tip are in adapting unit side just is the second traction lever that the contained angle set up with first traction lever, first traction lever all is provided with the trouble connecting portion that are used for connecting the trouble vehicle with the tip of second traction lever, set up the tight couple of clamp of two relative settings on the adapting unit, two it rotates the setting to press from both sides tight couple and is in on the adapting unit, be provided with on the adapting unit and be used for the drive it presss from both sides tight actuating mechanism to press from both sides tight couple pivoted.

As another embodiment of this application, press from both sides tight actuating mechanism including slide setting be in drive slider on the adapting unit, run through drive slider setting and with drive slider threaded connection's rotation screw rod and setting are in drive slider with press from both sides the promotion connecting rod between the tight couple, a rotation of rotation screw rod is connected on the adapting unit.

As another embodiment of this application, it is close to another to press from both sides tight couple be provided with first overlap joint piece on the tip of pressing from both sides tight couple, it is adjacent the tip department that presss from both sides tight couple also is provided with the second overlap joint piece, first overlap joint piece and the mutual dislocation set of second overlap joint piece.

As another embodiment of the present application, each of the first traction bar and the second traction bar includes a main supporting portion, a sub-supporting portion movably connected to an end of the main supporting portion, and a rotation locking mechanism disposed between the main supporting portion and the sub-supporting portion.

As another embodiment of this application, it includes that two settings are in to rotate locking mechanism the installation splint that main tributary supporting part and mutual interval set up, set up and be in the tip department of inferior supporting part and be located two installation turning blocks between the splint and run through the installation splint with the rotation pivot that the turning block set up, still be provided with the chucking subassembly between installation splint and the turning block.

As another embodiment of the application, the number of the clamping assemblies is two, and the two clamping assemblies are respectively arranged on two opposite side surfaces of the rotating block.

As another embodiment of this application, chucking subassembly is including setting up the turning block is close to the sliding tray on installation splint one side, the slip setting is in the inside slip dog of sliding tray, setting are in first elastic component between slip dog and the sliding tray bottom and the setting clamp the recess on the installation splint, still be provided with ejecting unit on the installation splint.

As another embodiment of the application, the ejection unit comprises an ejection pin which penetrates through the installation clamping plate and the end part of the ejection pin is positioned in the clamping groove, and a pressing rod of which one end part is hinged to the outside of the installation clamping plate, and the other end of the ejection pin is hinged to the pressing rod.

As another embodiment of the present application, a second elastic member for pulling the pressing rod to rotate is further disposed between the mounting clamp plate and the pressing rod.

As another embodiment of this application, the trouble connecting portion include that the articulated setting is in the first articulated joint of first pull rod tip and the articulated setting is in first articulated joint side and axis of rotation and the perpendicular second articulated joint that sets up of first articulated joint axis of rotation.

The telescopic rigid traction arm of the heavy vehicle provided by the utility model has the beneficial effects that: compared with the prior art, the first traction rod is arranged on the side face of the connecting part, the end part of the second traction rod is hinged to the side face of the connecting part and forms an included angle with the first traction rod, and the end parts of the first traction rod and the second traction rod are provided with fault connecting parts used for connecting fault vehicles. The ends of the first and second tow bars may be connected to the faulty vehicle by faulty connections. The connecting part is provided with two opposite clamping hooks, the two clamping hooks are rotatably arranged on the connecting part, and the connecting part is provided with a clamping driving mechanism for driving the clamping hooks to rotate. Can press from both sides tight actuating mechanism and drive two tight couples of clamp and rotate and realize opening and the closure that press from both sides tight couple, can realize adapting unit and the installation of being connected of salvageing vehicle fast, make the connection installation of trailing arm more convenient, improve the work efficiency of salvageing rescue.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a telescopic rigid towing arm of a heavy vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a clamping driving mechanism employed in an embodiment of the present invention;

fig. 3 is a schematic structural view of a chucking assembly employed in an embodiment of the present invention.

In the figure: 1. a connecting member; 2. clamping the hook; 3. a clamping drive mechanism; 31. driving the slide block; 32. rotating the screw; 33. pushing the connecting rod; 4. a first traction rod; 41. a main supporting section; 42. a secondary support portion; 5. a second traction rod; 6. a rotation locking mechanism; 61. installing a clamping plate; 62. rotating the block; 63. rotating the shaft pin; 64. a clamping assembly; 641. a sliding stopper; 642. a first elastic member; 643. ejecting a pin; 644. a hold down bar; 645. a second elastic member; 7. a failed connection; 71. a first hinge joint; 72. and a second hinge joint.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, the telescopic rigid towing arm of the heavy vehicle according to the present invention will be described. The telescopic rigid traction arm for the heavy vehicle is used for connecting a rescue vehicle and a fault vehicle, and comprises a connecting part 1 fixed on the rescue vehicle, a first traction rod 4 with the end part arranged on the side surface of the connecting part 1, and a second traction rod 5 with the end part hinged to the side surface of the connecting part 1 and arranged at an included angle with the first traction rod 4, wherein the end parts of the first traction rod 4 and the second traction rod 5 are respectively provided with a fault connecting part 7 used for connecting the fault vehicle, the connecting part 1 is provided with two opposite clamping hooks 2, the two clamping hooks 2 are rotatably arranged on the connecting part 1, and the connecting part 1 is provided with a clamping driving mechanism 3 used for driving the clamping hooks 2 to rotate.

Compared with the prior art, the telescopic rigid traction arm for heavy vehicles provided by the embodiment is characterized in that a first traction rod 4 is arranged on the side surface of the connecting part 1, and a second traction rod 5 is hinged to the side surface of the connecting part 1 and has an included angle with the first traction rod 4, and the end parts of the first traction rod 4 and the second traction rod 5 are both provided with a fault connecting part 7 for connecting a fault vehicle. The ends of the first and second traction rods 4, 5 may be connected to the faulty vehicle by a faulty connection 7. The connecting part 1 is provided with two clamping hooks 2 which are oppositely arranged, the two clamping hooks 2 are rotatably arranged on the connecting part 1, and the connecting part 1 is provided with a clamping driving mechanism 3 for driving the clamping hooks 2 to rotate. Can press from both sides tight actuating mechanism 3 and drive two tight couples 2 rotations and realize opening and closure that press from both sides tight couple 2, can realize adapting unit 1 fast and salvage the connection installation of vehicle, make the connection installation of trailing arm more convenient, improve the work efficiency that the rescue was salvageed to the vehicle.

In this embodiment, two clamping hook 2 are always in opposite directions or relative rotation, and when the tip of two clamping hook 2 contacted each other, two clamping hook 2 enclosed and set up into a complete annular and are connected with the vehicle of salvageing.

Referring to fig. 3 together, as a specific embodiment of the telescopic rigid draft arm of the heavy vehicle according to the present invention, the clamp driving mechanism 3 includes a driving slider 31 slidably disposed on the connecting member 1, a rotating screw 32 disposed through the driving slider 31 and threadedly coupled to the driving slider 31, and a push link 33 disposed between the driving slider 31 and the clamp hook 2, and one end of the rotating screw 32 is rotatably coupled to the connecting member 1. When connecting part 1 is connected with the vehicle of salvageing, rotate screw rod 32 and drive slider 31 threaded connection, accessible rotates the rotation of screw rod 32 and realizes that drive slider 31 slides along rotating the spiral shaft axial, still be provided with between drive slider 31 and the tight couple 2 of clamp and promote connecting rod 33, the one end of promoting connecting rod 33 articulates on drive slider 31 and the other end articulates the middle part region that sets up at the tight couple 2 of clamp, and be the contained angle setting between two promotion connecting rods 33, consequently can promote two tight couples 2 of clamp and fold and enclose and establish into an annular when drive slider 31 moves to the direction that is close to the tight couple 2 of clamp, make connecting part 1 and the connection installation of vehicle of salvageing more swift convenient, also make connecting part 1's installation more firm reliable simultaneously.

Referring to fig. 1 and 2, a first overlapping block is disposed on an end portion of one clamping hook 2 close to another clamping hook 2, a second overlapping block is disposed on an end portion of an adjacent clamping hook 2, and the first overlapping block and the second overlapping block are arranged in a staggered manner. The setting of first overlap joint piece and second overlap joint piece can be more inseparabler that combines when the tip of two tight couples 2 of clamp contacts each other, and first overlap joint piece and the mutual dislocation set of second overlap joint piece can make first overlap joint piece and the mutual overlap joint of second overlap joint piece, prevent that two tight couples 2 of clamp from breaking away from when pressing from both sides tight couple 2 atress.

Referring to fig. 1 and 3, the first traction rod 4 and the second traction rod 5 each include a main supporting portion 41, a sub-supporting portion 42 movably connected to an end of the main supporting portion 41, and a rotation locking mechanism 6 disposed between the main supporting portion 41 and the sub-supporting portion 42. The first traction rod 4 and the second traction rod 5 are respectively divided into two parts, and the rotation locking mechanism 6 is arranged to enable the main supporting part 41 and the secondary supporting part 42 to rotate mutually when the first traction rod 4 is connected with the second traction rod 5, and to be locked into a rigid whole when the main supporting part 41 and the secondary supporting part 42 are positioned on the same axis.

Referring to fig. 3, the rotation locking mechanism 6 includes two mounting plates 61 disposed at the main supporting portion 41 and spaced apart from each other, a rotation block 62 disposed at an end of the secondary supporting portion 42 and located between the two mounting plates 61, and a rotation shaft pin 63 disposed through the mounting plates 61 and the rotation block 62, and a clamping assembly 64 is disposed between the mounting plates 61 and the rotation block 62. When the main supporting part 41 and the secondary supporting part 42 need to rotate mutually, the clamping assembly 64 can be loosened, so that the secondary supporting part 42 can rotate around the rotating shaft pin 63, and the connection and installation of the first traction rod 4 and the second traction rod 5 are more convenient. The main supporting part 41 and the secondary supporting part 42 can be locked through the clamping assembly 64 in the traction process of the fault vehicle, so that the main supporting part 41 and the secondary supporting part 42 form a rigid whole, and the traction of the fault vehicle is more convenient and faster.

Referring to fig. 1 and 3, the number of the clamping assemblies 64 is two, and the two clamping assemblies 64 are respectively disposed on two opposite side surfaces of the rotating block 62. The two clamping assemblies 64 are respectively arranged on two sides of the rotating block 62, so that the rotating block 62 is stressed more uniformly.

Referring to fig. 1 and 3, as an embodiment of the telescopic rigid towing arm of the heavy vehicle provided by the present invention, the clamping assembly 64 includes a sliding groove disposed on one side of the rotating block 62 close to the mounting clamp plate 61, a sliding stop 641 slidably disposed inside the sliding groove, a first elastic member 642 disposed between the sliding stop 641 and the bottom of the sliding groove, and a clamping groove disposed on the mounting clamp plate 61, and the mounting clamp plate 61 is further provided with an ejecting unit. The length direction of the clamping groove is arranged along the axial direction of the main supporting portion 41, when the main supporting portion 41 and the sub supporting portion 42 need to rotate mutually, the sliding stopper 641 can be ejected out of the clamping groove through the ejecting unit, so that the rotating block 62 can slide relative to the mounting clamp plate 61, and at this time, the sliding stopper 641 abuts against the side surface of the mounting clamp plate 61 to slide. When the main supporting part 41 and the sub supporting part 42 are rotated to the coaxial position, the sliding stopper 641 abuts against the inside of the clamping groove by the first elastic member 642, thereby clamping the mounting clamp 61 and the rotating block 62, so that the first traction rod 4 forms a rigid whole.

Referring to fig. 1 and 3, the ejection unit includes an ejection pin 643 penetrating through the mounting plate 61 and having an end portion located inside the clamping groove, and a pressing rod 644 having an end portion hinged to the outside of the mounting plate 61, wherein the other end of the ejection pin 643 is hinged to the pressing rod 644. The ejector pin 643 is driven to eject the sliding stopper 641 from the clamping groove by pressing the pressing lever 644.

Referring to fig. 1 and 3, a second elastic element 645 for pulling the pressing rod 644 to rotate is further disposed between the mounting clamp plate 61 and the pressing rod 644. The second elastic element 645 is arranged to fix the pressing rod 644 during the pulling process, so as to prevent the pressing rod 644 from being loosened to cause the ejection pin 643 to be released from the through hole on the mounting clamp plate 61, thereby making the use of the ejection unit safer.

Referring to fig. 1 and 3, the failure connection portion 7 includes a first hinge joint 71 hinged to an end of the first traction rod 4, and a second hinge joint 72 hinged to a side of the first hinge joint 71 and having a rotation axis perpendicular to a rotation axis of the first hinge joint 71. The arrangement of the first hinge joint 71 and the second hinge joint 72 enables the fault connecting part 7 to rotate at multiple angles, so that the connection between the first traction rod 4 and the second traction rod 5 and a fault vehicle is more convenient and flexible.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flexible rigidity draft arm of heavy-duty car, its characterized in that is in including adapting unit, the tip setting that are used for fixing on rush-repair vehicle first traction lever on the adapting unit side and the articulated setting of tip are in adapting unit side and be the second traction lever that the contained angle set up with first traction lever, first traction lever all is provided with the trouble connecting portion that are used for connecting the trouble vehicle with the tip of second traction lever, set up the tight couple of clamp of two relative settings on the adapting unit, two it rotates to press from both sides tight couple and sets up on the adapting unit, be provided with on the adapting unit and be used for the drive it presss from both sides tight actuating mechanism to press from both sides tight couple pivoted.

2. The telescopic rigid trailing arm of heavy vehicles according to claim 1, characterized in that the clamping drive mechanism comprises a drive slider slidably arranged on the connecting member, a rotating screw rod arranged through the drive slider and threadedly connected to the drive slider, and a push link arranged between the drive slider and the clamping hook, one end of the rotating screw rod being rotatably connected to the connecting member.

3. The telescopic rigid trailing arm of heavy vehicles of claim 2, wherein the clamp hitch has a first block disposed on the end adjacent to the other clamp hitch and a second block disposed adjacent to the end of the clamp hitch, the first and second blocks being offset from each other.

4. The telescopic rigid trailing arm for heavy vehicles according to claim 1, characterised in that the first and second traction rods each comprise a primary support, a secondary support articulated at the end of the primary support, and a rotation-locking mechanism arranged between the primary and secondary supports.

5. The telescopic rigid trailing arm of heavy vehicles according to claim 4, characterized in that the rotation locking mechanism comprises two mounting brackets provided at the primary support part and spaced apart from each other, a turning block provided at the end of the secondary support part between the two mounting brackets, and a turning axle pin provided through the mounting brackets and the turning block, a clamping assembly being further provided between the mounting brackets and the turning block.

6. The telescopic rigid trailing arm for heavy vehicles according to claim 5, characterized in that the number of said gripping members is two, said gripping members being arranged on opposite sides of said turning block.

7. The telescopic rigid trailing arm for heavy vehicles according to claim 5, wherein the clamping assembly comprises a sliding groove provided on a side of the turning block adjacent to the mounting clamp plate, a sliding block slidably disposed inside the sliding groove, a first elastic member disposed between the sliding block and a bottom of the sliding groove, and a clamping groove provided on the mounting clamp plate, and the mounting clamp plate is further provided with an ejecting unit.

8. The telescopic rigid trailing arm of heavy vehicles of claim 7, characterized in that the ejector unit comprises an ejector pin disposed through the mounting clamp plate and having an end portion inside the clamping groove, and a pressing rod having one end portion hinged to the outside of the mounting clamp plate, the other end portion of the ejector pin being hinged to the pressing rod.

9. The telescopic rigid trailing arm of heavy vehicle according to claim 8, characterized in that a second elastic member for pulling the rotation of the hold-down bar is further provided between the mounting clamp and the hold-down bar.

10. The telescopic rigid trailing arm for heavy vehicles according to claim 1, characterized in that the failed connection comprises a first joint hingedly arranged at the end of the first trailing bar and a second joint hingedly arranged at the side of the first joint and having a rotation axis perpendicular to the rotation axis of the first joint.