CN214823586U - Auxiliary steering device and vehicle - Google Patents

Abstract

The utility model provides an auxiliary steering device and vehicle, auxiliary steering device is suitable for supplementary long-distance vehicle to turn to, include: the controller respectively with first telescopic machanism reaches second telescopic machanism electric connection, the support rotates and connects in automobile body rear end below, first telescopic machanism with second telescopic machanism symmetry sets up the left and right sides of automobile body below, and the two one end respectively with the automobile body rotates to be connected, the other end respectively with the front end both sides of support rotate to be connected. The utility model discloses can reduce whole car turning radius effectively, reduce the long-distance vehicle and turn to, turn around the difficulty through narrow highway section, reduce the driving pressure of driver's turn, turn around department, reduce its intensity of labour, and then improve its driving safety nature.

Description

Auxiliary steering device and vehicle

Technical Field

The utility model relates to a vehicle a steering system technical field particularly, relates to a be applied to long-distance vehicle a steering system's supplementary device and vehicle that turns to.

Background

At present, about long-range vehicle, for example, pull heavily block, packing cupboard formula long-range freight train, storehouse fence formula long-range freight train, the packing box all can be used to the AGV etc. is transported to the container, and the box all adopts the mode with chassis system fixed connection, because overlength packing box, can lead to turning radius too big, on the way in transporting this kind of overlength packing box, if meet the turn, the turn round crossing, narrow commodity circulation garden district, when block up when needs turn such as port region, the driver need carry out adjustment whole car gesture many times and just can pass through, and at the whole car position in-process of adjustment, because the freight train is bulky, the packing box overlength very easily causes traffic jam.

In order to solve the problems and reduce the turning radius of the whole vehicle, in the prior art, a trailer plate is divided into two parts, so that the turning radius is reduced to a certain extent, but a container or goods conveyed by the trailer plate can collide when turning, and damage is caused. And the versatility is not strong.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above problems to a certain extent.

Therefore, the utility model provides an auxiliary steering device is suitable for supplementary long-range vehicle to turn to, include: the controller respectively with first telescopic machanism reaches second telescopic machanism electric connection, the support rotates and connects in automobile body rear end below, first telescopic machanism with second telescopic machanism symmetry sets up the left and right sides of automobile body below, and the two one end respectively with the automobile body rotates to be connected, the other end respectively with the front end both sides of support rotate to be connected.

The utility model discloses in, this supplementary device that turns to is suitable for supplementary long-range vehicle and turns to, generally installs and even carries out supplementary steering in the below of long-range vehicle automobile body back half. The first telescopic mechanism, the second telescopic mechanism and the support are rotatably connected with the vehicle body, and are controlled to stretch and retract through the controller, the first telescopic mechanism and the second telescopic mechanism, when the long-distance vehicle turns, the controller can receive a turning instruction of a main steering system of the vehicle, the first telescopic mechanism and the second telescopic mechanism are controlled to perform telescopic motion, the first telescopic mechanism and the second telescopic mechanism are symmetrically arranged through the first telescopic mechanism and the second telescopic mechanism and are respectively rotatably connected with the vehicle body and the support, one of the first telescopic mechanism and the second telescopic mechanism can perform telescopic motion and the other can perform stretching motion when the vehicle turns, so that the support is driven to rotate relative to the vehicle body, wheel sets of the rear half part of the whole vehicle are arranged below the support, and the rear half part of the whole vehicle can also make corresponding turning postures along with the main steering system of the whole vehicle.

Compared with the prior art, the utility model provides an auxiliary steering device is on the structure basis that does not change whole car automobile body, original automobile body and wheel system's connected mode has been changed, but change relative pivoted swing joint into by original rigid connection, under two power transmission chain effects that form through first telescopic machanism and second telescopic machanism, can carry out corresponding steering posture adjustment to the wheel group of the latter half of automobile body according to whole car owner steering system's steering action, the angle of turning to the latter half of whole car has been adjusted promptly, the main wheel that turns to of whole car is coordinated, can reduce whole car turning radius effectively, reduce long-distance vehicle and turn to through narrow highway section, the difficulty of turning round, the driver has been reduced and has turned round, the driving pressure of department, the labor intensity is reduced, and then its driving safety has been improved. Meanwhile, containers, goods and the like transported by the vehicle can not be damaged, the maneuverability of long-distance vehicles is improved, and the transportation efficiency and quality are ensured. And the utility model provides an auxiliary steering device has changed the condition of traditional long-distance vehicle latter half wheel group for pulling the turn when the turn, improves latter half wheel group for carrying out the structural form that initiatively turns to according to whole car steering needs, has reduced the wearing and tearing to latter half wheel group, has improved the life of latter half wheel group, and then has saved the cost.

Optionally, the first telescopic mechanism and the second telescopic mechanism are hydraulic telescopic cylinders electrically connected with the controller, telescopic rods of the hydraulic telescopic cylinders are rotatably connected with the vehicle body, and the rear ends of cylinder bodies of the hydraulic telescopic cylinders are rotatably connected with the support.

The utility model discloses in, through all setting up first telescopic machanism and second telescopic machanism into hydraulic telescoping cylinder, be convenient for purchase and installation, the assembly of conveniently producing, and adopt hydraulic telescoping cylinder as this supplementary drive mechanism who turns to the device, structure and power are stable, turn to required according to whole car, can pass through the concrete flexible volume of controller control hydraulic telescoping cylinder, the accurate control of being convenient for, and then reach the accurate steering angle who adjusts first half of whole car, come to cooperate with whole car owner steering system, reduce whole car turning radius in controllable range, guarantee driving safety.

Optionally, the left side and the right side of the lower portion of the vehicle body are symmetrically provided with a connecting frame, and the front end of a telescopic rod of the hydraulic telescopic cylinder is rotatably connected to the connecting frame.

The utility model discloses in, the front end through the telescopic link with hydraulic telescoping cylinder rotates with the link of setting in the automobile body below to be connected, overall structure's stability can be guaranteed effectively, the front end of having guaranteed this supplementary steering device has been connected with the automobile body stably, can carry out balanced stable joint support to this supplementary steering device, meanwhile, connect through the form of rotating the connection, when also having guaranteed that hydraulic telescoping cylinder carries out concertina movement, this supplementary steering device adjusts when turning to the gesture to first half of whole car promptly, can not interfere holistic steering adjustment motion, hydraulic telescoping cylinder can rotate the link relatively when doing concertina movement promptly, reach this supplementary steering device and turn to corresponding gesture's purpose to first half of adjustment of whole car. Rational in infrastructure, design benefit, and connect stably.

Optionally, the left side and the right side of the front end of the bracket are symmetrically provided with connecting ends, and the rear end of the cylinder body of the hydraulic telescopic cylinder is rotatably connected to the connecting ends.

The utility model discloses in, rotate through the rear end with the cylinder body of hydraulic telescoping cylinder and connect on the connection of support, when having guaranteed connection stability, hydraulic telescoping cylinder can rotate relative support, can drive the support through hydraulic telescoping cylinder's concertina movement promptly and carry out corresponding gesture adjustment that turns to, and then make corresponding gesture adjustment that turns to through the wheel group that the support drove whole car back half. And then can reduce the turning radius when long-distance vehicle turns, rational in infrastructure, design benefit, and connect stably.

Optionally, universal joints are respectively arranged between the connecting frame and the front end of the telescopic rod of the hydraulic telescopic cylinder and between the rear end of the cylinder body of the hydraulic telescopic cylinder and the connecting end, and the hydraulic telescopic cylinder is respectively rotatably connected with the connecting frame and the connecting end through the universal joints.

In the utility model, the universal joint is arranged to effectively rotate and connect the connecting frame below the vehicle body, the hydraulic telescopic cylinder and the connecting end at the front end of the bracket, thereby forming two flexible transmission chains, namely, the hydraulic telescopic cylinder can relatively rotate left and right around the connecting frame and the connecting end and can rotate up and down, because the condition of uneven or jolt road surface can be frequently met in the driving process, and because the whole vehicle has longer length, the wheels of the front half part and the wheel group of the rear half part are frequently positioned on different planes, namely, when the whole vehicle turns, the telescopic motion of the hydraulic telescopic cylinder and the rotation of the connecting frame and the connecting end can be subjected to resistance, the friction between the structures is increased, and through the arrangement of the universal joint, the auxiliary steering device can effectively adjust the steering gesture even under the condition of the road surface, interference can not be generated, the structural design is ingenious, the connection is stable and reliable, the durability of the whole structure is further ensured, and the service life is prolonged.

Optionally, the universal joint includes a first transfer end, a cross rotating shaft, and a second transfer end, the first transfer end is articulated with the second transfer end through the cross rotating shaft, the first transfer end is rotatably connected to the connecting frame and the connecting end, and the second transfer end is rotatably connected to the front end of the telescopic rod of the hydraulic telescopic cylinder and the rear end of the cylinder body.

The utility model discloses in, through the setting to the concrete structural of universal joint, just realized first link and second link and can reach the left and right sides rotation relatively through simple structure and less spare part, and then realized the relative link of hydraulic telescoping cylinder and the link about and rotate, simple structure, design benefit, and firm in connection is reliable, has saved material cost simultaneously.

Optionally, a saddle is arranged on the support, and the saddle is rotatably connected with the lower part of the rear end of the vehicle body.

The utility model discloses in, rotate the support and be connected the saddle through the setting with the rear end below of automobile body and realize, on the one hand, the saddle is as the adapting unit comparatively commonly used of the equidistance vehicle such as towed heavily block, be convenient for purchase and assembly, can utilize the saddle in original whole car system as this auxiliary steering device and the adapting unit of automobile body, design benefit and reasonable, when not carrying out big change to whole car, reached this auxiliary steering device and carried out the purpose that auxiliary steering turned to, the time and the cost of production assembly have been saved. On the other hand, the saddle can effectively draw the rear half part of the whole vehicle when being used as a rotating connecting part of the auxiliary steering device on the vehicle body, and the effectiveness and the reliability of the power transmission of the whole vehicle are ensured in the processes of straight running and turning of the whole vehicle.

Optionally, the left side, the right side and the rear end of the support are respectively provided with a camera electrically connected with the controller.

The utility model discloses in, be equipped with the camera respectively through the left and right sides at the support and rear end, and communicate with the controller, the controller can shoot the real-time video image transmission that shoots with the camera of above-mentioned three places to the display screen of driver's cabin on, can provide bigger and more comprehensive field of vision scope for the driver, and because the isometric vehicle of overlength packing box and overlength automobile body all can cause great field of vision blind area, through the setting of above-mentioned camera, can effectively reduce the field of vision blind area, reduce its turn, cause the probability of injury to pedestrian etc. when turning round, and then guaranteed driving safety.

Optionally, the rear end of the bracket is provided with an audible and visual integrated alarm electrically connected with the controller.

The utility model discloses in, through the integrative alarm of reputation that sets up at the support rear end to carry out the communication with the controller, can be according to the running state of whole car, control integrative alarm of reputation through the controller and effectively remind pedestrian or other vehicles on the road, for example when whole car turns or turns round, the integrative alarm of reputation carries out the red light scintillation, reminds pedestrian or other vehicles on the road to turn or turn round the operation, and the integrative alarm of accessible reputation is reported like turning left, turning right, reversing light alarm suggestion sound. And then through the setting of integrative alarm of reputation, can improve whole car and in the driving process to the warning effect of reminding of pedestrian or other vehicles, reduced the probability that the accident takes place, further guaranteed driving safety.

In addition, in order to solve the above problems, the present invention also provides a vehicle including the above-mentioned auxiliary steering apparatus.

Compared with the prior art, the technical effects of the vehicle and the auxiliary steering device are substantially the same, and the detailed description is omitted.

Drawings

Fig. 1 is a schematic perspective view of an auxiliary steering apparatus according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another angle of the auxiliary steering apparatus according to the embodiment of the present invention;

FIG. 3 is a schematic perspective view of FIG. 2 at another angle;

fig. 4 is a partial schematic structural view of an auxiliary steering apparatus according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a first flexible transmission chain according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a universal joint according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a bracket and a wheel set according to an embodiment of the present invention.

Description of reference numerals:

the device comprises a vehicle body 1, a connecting frame 11, a first hydraulic telescopic cylinder 2, a first telescopic rod 21, a first cylinder body 22, a second hydraulic telescopic cylinder 3, a second telescopic rod 31, a second cylinder body 32, a support 4, a connecting end 41, a wheel group 5, a wheel rotating shaft 51, a universal joint 6, a first connecting end 61, a cross rotating shaft 62, a second connecting end 63, a saddle 7, a camera 8 and an acousto-optic integrated alarm 9.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that in the description of the present disclosure, the directions or positional relationships indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer" are used as the directions or positional relationships indicated in the drawings, which are only for convenience of describing the present disclosure, but do not indicate or imply that the device referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be interpreted as limiting the scope of the present disclosure.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Please refer to fig. 1 to 4, which are schematic perspective views, schematic perspective views at another two angles, and partial schematic structural views of an auxiliary steering apparatus according to an embodiment of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides an auxiliary steering apparatus, which is suitable for assisting a long-distance vehicle to steer, and includes: controller, first telescopic machanism, second telescopic machanism and support 4, the controller respectively with first telescopic machanism reaches second telescopic machanism electric connection, support 4 rotates to be connected in 1 rear end below of automobile body, first telescopic machanism with second telescopic machanism symmetry sets up the left and right sides of 1 below of automobile body, and the two one end respectively with 1 rotation of automobile body is connected, the other end respectively with the front end both sides of support 4 are rotated and are connected.

In the present embodiment, the auxiliary steering apparatus is suitable for assisting a long-distance vehicle in steering, and is generally mounted below the rear half of the long-distance vehicle body 1 in steering assistance. The first telescopic mechanism, the second telescopic mechanism and the support 4 are rotatably connected with the vehicle body 1, and are controlled to stretch and retract through the controller, the first telescopic mechanism and the second telescopic mechanism are controlled to stretch and retract, when the long-distance vehicle turns, the controller can receive a turning instruction of a main steering system of the vehicle, the first telescopic mechanism and the second telescopic mechanism are controlled to stretch and retract, the first telescopic mechanism and the second telescopic mechanism are symmetrically arranged and are respectively rotatably connected with the vehicle body 1 and the support 4, one of the first telescopic mechanism and the second telescopic mechanism can contract and extend when the vehicle turns, the other one of the first telescopic mechanism and the second telescopic mechanism can rotate relative to the vehicle body 1, the wheel set 5 at the rear half part of the whole vehicle is arranged below the support 4, and the rear half part of the whole vehicle can also make a corresponding turning gesture along with the main steering system of the whole vehicle.

Compared with the prior art, the utility model provides an auxiliary steering device is on the structure basis that does not change whole car automobile body 1, original automobile body 1 and wheel system's connected mode has been changed, but change relative pivoted swing joint into by original rigid connection, under two power transmission chain effects that form through first telescopic machanism and second telescopic machanism, can carry out corresponding steering posture adjustment to the wheelset 5 of the first half of automobile body 1 according to whole car main steering system's steering action, the angle of turning to first half of whole car has been adjusted promptly in other words, the cooperation mainly turns to the wheel, can reduce whole car turning radius effectively, it turns to through narrow highway section to reduce long-distance vehicle, the difficulty of turning round, the driver has been reduced and has turned round, the driving pressure of department turns round, the intensity of labour has been reduced, and then its driving safety has been improved. Meanwhile, containers, goods and the like transported by the vehicle can not be damaged, the maneuverability of long-distance vehicles is improved, and the transportation efficiency and quality are ensured. And the utility model provides an auxiliary steering device has changed the condition of traditional long-distance vehicle latter half's wheel group 5 for pulling the turn when turning, improves latter half's wheel group 5 for carrying out the structure form that initiatively turns to according to whole car steering needs, has reduced the wearing and tearing to latter half wheel group 5, has improved the life of latter half wheel group, and then has saved the cost.

Preferably, as shown in fig. 1 to 5, an embodiment of the present invention provides that the first telescopic mechanism and the second telescopic mechanism are the hydraulic telescopic cylinder electrically connected to the controller, and the telescopic rod of the hydraulic telescopic cylinder and the vehicle body 1 are connected in a rotating manner, and the rear end of the cylinder body of the hydraulic telescopic cylinder and the support 4 are connected in a rotating manner.

In this embodiment, all set up to hydraulic telescoping cylinder through first telescopic machanism and second telescopic machanism, be convenient for purchase and installation, convenient production assembly, and adopt hydraulic telescoping cylinder as this supplementary drive mechanism who turns to device, structure and power are stable, it is required to turn to according to whole car, can control the specific flexible volume of hydraulic telescoping cylinder through the controller, the accurate control of being convenient for, and then reach the steering angle of accurate regulation whole car back half, come to cooperate with whole car owner a steering system, reduce whole car turning radius in controllable within range, guarantee driving safety.

Specifically, first telescopic machanism is first hydraulic telescoping cylinder 2, installs in the left side of 1 latter half below of automobile body, the second telescopic machanism is second hydraulic telescoping cylinder 3, installs in the right side of 1 latter half below of automobile body, and first hydraulic telescoping cylinder 2 has first telescopic link 21, first cylinder body 22 respectively with second hydraulic telescoping cylinder 3 to and second telescopic cylinder 31, second cylinder body 32, the telescopic link can be controlled to the controller and be concertina movement in the cylinder body, and can control its volume of specifically stretching out and drawing back, combine above and fig. 1, fig. 4, do further explanation to the utility model discloses the theory of operation of the supplementary device that turns to that the embodiment provided.

Before this, it should be noted that, a coordinate system XYZ is provided herein, wherein a forward direction of the X axis represents a left direction, i.e., a left side of the entire vehicle and a left turning direction when the entire vehicle is running, a reverse direction of the X axis represents a right direction, i.e., a right side of the entire vehicle and a right turning direction when the entire vehicle is running, a forward direction of the Y axis represents a front direction, i.e., a front direction of the entire vehicle and a normal straight running direction of the entire vehicle, a reverse direction of the Y axis represents a rear direction, i.e., a rear direction of the entire vehicle and a reverse direction of the entire vehicle, a forward direction of the Z axis represents an upper direction, i.e., an upper direction of the entire vehicle, and a reverse direction of the Z axis represents a lower direction, i.e., a lower direction of the entire vehicle.

When the whole vehicle normally travels straight, the first hydraulic telescopic cylinder 2 and the second hydraulic telescopic cylinder 3 do not do telescopic motion, are connected to the left side and the right side of the rear half part of the vehicle body 1 in a parallel and symmetrical rotating manner, are combined with the support 4 and serve as two power transmission chains of the rear half part of the vehicle body 1 to support and pull the rear half part of the vehicle body 1.

When the whole vehicle encounters a left-turn intersection or turns left, the whole main steering system makes a left-turn action, the controller receives a left-turn instruction, the first hydraulic telescopic cylinder 2 positioned on the left side below the vehicle body 1 is controlled to contract, namely, the first telescopic rod 21 retracts into the first cylinder body 22, meanwhile, the controller controls the second hydraulic telescopic cylinder 3 to extend, namely, the second telescopic rod 31 extends out of the second cylinder body 32, meanwhile, the first hydraulic telescopic cylinder 2 and the second hydraulic telescopic cylinder 3 simultaneously rotate relative to the vehicle body 1, and the support 4 is driven to rotate relative to the rear end of the vehicle body 1, namely, the wheel group 5 on the rear half part of the whole vehicle below the support 4 is driven to make a left-turn posture, and further, the turning radius is reduced.

In the same way, when the whole vehicle turns right or turns right, the first hydraulic telescopic cylinder 2 performs extension action and the second hydraulic telescopic cylinder 3 performs contraction action relatively, so that the rear half part of the whole vehicle is adjusted to perform adjustment of the turning posture in the right direction, and the turning radius is reduced simultaneously.

Preferably, as shown in fig. 1 to 3, the embodiment of the present invention provides that the left and right sides below the vehicle body 1 are symmetrically provided with a connecting frame 11, and the front end of the telescopic rod of the hydraulic telescopic cylinder is rotatably connected to the connecting frame.

In this embodiment, the front end of the telescopic rod of the hydraulic telescopic cylinder is rotatably connected with the connecting frame 11 arranged below the vehicle body 1, so that the stability of the whole structure can be effectively ensured, the front end of the auxiliary steering device is stably connected with the vehicle body 1, the auxiliary steering device can be stably connected and supported in a balanced manner, meanwhile, the auxiliary steering device is connected in a rotating manner, the hydraulic telescopic cylinder is also ensured to perform telescopic motion, namely, the auxiliary steering device adjusts the steering posture of the rear half part of the whole vehicle, the whole steering adjustment motion cannot be interfered, namely, the hydraulic telescopic cylinder can rotate relative to the connecting frame when performing telescopic motion, and the purpose that the auxiliary steering device adjusts the steering corresponding posture of the rear half part of the whole vehicle is achieved. Rational in infrastructure, design benefit, and connect stably.

Preferably, as shown in fig. 1 to 4, the left and right sides of the front end of the bracket 4 provided by the embodiment of the present invention are symmetrically provided with connecting ends 41, and the rear end of the cylinder body of the hydraulic telescopic cylinder is rotatably connected to the connecting ends 41.

The utility model discloses in, rotate through the rear end with the cylinder body of hydraulic telescoping cylinder and connect on the link 41 of support 4, when having guaranteed connection stability, hydraulic telescoping cylinder can rotate relative support 4, can drive support 4 through the concertina movement of hydraulic telescoping cylinder promptly and carry out corresponding gesture adjustment that turns to, and then drive wheel group 5 of the first half of whole car back through support 4 and do corresponding gesture adjustment that turns to. And then can reduce the turning radius when long-distance vehicle turns, rational in infrastructure, design benefit, and connect stably.

Preferably, as shown in fig. 1 to 5, an embodiment of the present invention provides a connecting frame 11 with between the front ends of the telescopic rods of the hydraulic telescopic cylinder and the rear end of the cylinder body of the hydraulic telescopic cylinder and between the connecting ends 41, universal joints 6 are respectively provided, and the hydraulic telescopic cylinder passes through the universal joints 6 respectively with the connecting frame 11 and the connecting ends 41 are rotatably connected.

In this embodiment, the universal joint 6 is arranged to effectively and rotatably connect the connecting frame 11 below the vehicle body 1, the hydraulic telescopic cylinder and the connecting end 41 at the front end of the bracket 4, so as to form two flexible transmission chains, that is, the hydraulic telescopic cylinder can not only relatively rotate left and right around the connecting frame 11 and the connecting end 41, but also can rotate up and down, because the vehicle may often encounter the condition of uneven or bumpy road surface during driving, and because the length of the whole vehicle is long, the wheels of the front half part and the wheel set 5 of the rear half part are often on different planes, that is, when the whole vehicle turns, the telescopic motion of the hydraulic telescopic cylinder and the rotation relative to the connecting frame 11 and the connecting end 41 may be subjected to resistance, so as to increase the friction between the structures, and through the arrangement of the universal joint 6, the auxiliary steering device can effectively solve the problem that even under the condition of uneven road surface, the steering attitude adjustment action can be smoothly performed, interference can not be generated, the structural design is ingenious, the connection is stable and reliable, the durability of the whole structure is further ensured, and the service life is prolonged.

Preferably, as shown in fig. 4 to 6, an embodiment of the present invention provides universal joint 6 includes a first transfer end 61, a cross shaft 62 and a second transfer end 63, the first transfer end 61 with the second transfer end 63 passes through the cross shaft 62 is engaged and hinged, the first transfer end 61 respectively with the connecting frame 11 with the connecting end 41 is rotated and connected, the second transfer end 63 respectively with the front end of the telescopic rod of the hydraulic telescopic cylinder and the rear end of the cylinder body are rotated and connected.

In this embodiment, through the specific structural arrangement of the universal joint 6, the first connecting end 61 and the second connecting end 63 can rotate up and down and left and right relatively through a simple structure and fewer parts, so that the hydraulic telescopic cylinder can rotate up and down and left and right relatively to the connecting frame 11 and the connecting end 41, the structure is simple, the design is ingenious, the connection is stable, firm and reliable, and the material cost is saved.

In particular, the two flexible transmission connecting structures described above are further described with reference to fig. 4 to 6.

The two flexible transmission chains are arranged on the left side and the right side below the rear half part of the vehicle body 1 and are symmetrically arranged in parallel, taking the first flexible transmission chain as an example, the first flexible transmission chain is arranged on the left side below the rear half part of the vehicle body 1 and comprises a first hydraulic telescopic cylinder 2 and two universal joints 6 which are rotatably connected with the front end and the rear end of the first hydraulic telescopic cylinder 2, the front end of the telescopic rod 21 of the first hydraulic telescopic cylinder 2 is rotatably connected with a second transfer end 63 of one universal joint 6, the first transfer end 61 of the universal joint 6 is rotatably connected on a connecting frame 11 on the left side below the rear half part of the vehicle body 1, the rear end of the cylinder body 22 of the first hydraulic telescopic cylinder 2 is rotatably connected with a second transfer end 63 of the other universal joint 6, and the first transfer end 61 of the universal joint 6 is rotatably connected on a connecting end 41 on the left side of the front end of the support 4 and is further connected into a first flexible transmission chain. The second flexible transmission chain and the first flexible transmission chain which are positioned on the right side below the rear half part of the vehicle body 1 have the same connecting structure for the vehicle, and the description is omitted.

Preferably, as shown in fig. 1 to 4, a saddle 7 is provided on the support 4, and the saddle 7 is rotatably connected to the lower portion of the rear end of the vehicle body 1.

In this embodiment, rotate the support 4 and be connected the saddle 7 that realizes through the setting with the rear end below of automobile body 1, on the one hand, saddle 7 is as the comparatively commonly used adapting unit of the equidistance vehicle such as towed heavy truck, be convenient for purchase and assembly, can utilize saddle 7 in original whole car system as this auxiliary steering device and automobile body 1's adapting unit, design benefit and reasonable, when not carrying out big change to whole car, reached this auxiliary steering device and carried out the purpose that the auxiliary steering turned to, the time and the cost of production assembly have been saved. On the other hand, the saddle 7 can effectively draw the rear half part of the whole vehicle while serving as a rotating connecting part of the auxiliary steering device on the vehicle body, and the effectiveness and the reliability of the power transmission of the whole vehicle are ensured in the processes of straight running and turning of the whole vehicle.

Preferably, as shown in fig. 1 to 3 and 7, the left and right sides and the rear end of the bracket 4 provided by the embodiment of the present invention are respectively provided with a camera 8 electrically connected to the controller.

In this embodiment, be equipped with camera 8 respectively through the left and right sides at support 4 and rear end, and communicate with the controller, the controller can transmit the real-time video image that camera 8 of above-mentioned three places was shot with to the display screen of driver's cabin on, can provide bigger and more comprehensive field of vision scope for the driver, and because the isometric vehicle of overlength packing box and overlength automobile body all can lead to the fact great field of vision blind area, through the setting of above-mentioned camera 8, can effectively reduce the field of vision blind area, reduce its turn, cause the probability of injury to pedestrian etc. when turning round, and then guaranteed driving safety.

Preferably, as shown in fig. 1 to 3 and 7, an acousto-optic integrated alarm 9 electrically connected to the controller is disposed at the rear end of the bracket 4 according to an embodiment of the present invention.

In this embodiment, through the integrative alarm 9 of reputation that sets up at support 4 rear end to communicate with the controller, can be according to the running state of whole car, through the integrative alarm 9 of controller control reputation to pedestrian or other vehicles on the road effectively remind, for example when whole car turns or turns round, the integrative alarm 9 of reputation carries out red light scintillation, reminds pedestrian or other vehicles on the road to turn or turn round the operation, and the integrative alarm 9 of accessible reputation reports like turning left, turning right, reversing light alarm suggestion sound. And then through the setting of integrative alarm 9 of reputation, can improve whole car and in the driving process to the warning effect of reminding of pedestrian or other vehicles, reduced the probability that the accident takes place, further guaranteed driving safety.

Another embodiment of the present invention provides a vehicle including the above-mentioned auxiliary steering apparatus.

Preferably, as shown in fig. 1 and 7, the vehicle provided by this embodiment is a heavy-duty tractor, and includes a body 1, and the auxiliary steering device installed below the rear half of the body 1, where the auxiliary steering device includes a bracket 4, and a wheel set 5 is rotatably connected below the bracket 4, and the wheel set 5 includes three wheel rotating shafts 51.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. An auxiliary steering device adapted to assist steering of a long-range vehicle, characterized by comprising: controller, first telescopic machanism, second telescopic machanism and support (4), the controller respectively with first telescopic machanism reaches second telescopic machanism electric connection, support (4) rotate to be connected in automobile body (1) rear end below, first telescopic machanism with second telescopic machanism symmetry sets up the left and right sides of automobile body (1) below, and the two one end respectively with automobile body (1) rotates to be connected, the other end respectively with the front end both sides of support (4) are rotated and are connected.

2. The auxiliary steering device according to claim 1, wherein the first telescopic mechanism and the second telescopic mechanism are hydraulic telescopic cylinders electrically connected with the controller, telescopic rods of the hydraulic telescopic cylinders are rotatably connected with the vehicle body (1), and rear ends of cylinder bodies of the hydraulic telescopic cylinders are rotatably connected with the bracket (4).

3. The auxiliary steering device according to claim 2, wherein the left and right sides of the lower part of the vehicle body (1) are symmetrically provided with connecting frames (11), and the front ends of the telescopic rods of the hydraulic telescopic cylinders are rotatably connected to the connecting frames (11).

4. The auxiliary steering apparatus according to claim 3, wherein the bracket (4) is provided with connecting ends (41) at left and right sides of the front end thereof symmetrically, and the rear end of the cylinder body of the hydraulic telescopic cylinder is rotatably connected to the connecting ends (41).

5. The auxiliary steering apparatus according to claim 4, wherein universal joints (6) are respectively provided between the connecting frame (11) and the front end of the telescopic rod of the hydraulic telescopic cylinder and between the rear end of the cylinder body of the hydraulic telescopic cylinder and the connecting end (41), and the hydraulic telescopic cylinder is rotatably connected with the connecting frame (11) and the connecting end (41) through the universal joints (6).

6. The auxiliary steering device according to claim 5, wherein the universal joint (6) comprises a first connecting end (61), a cross-shaped rotating shaft (62) and a second connecting end (63), the first connecting end (61) and the second connecting end (63) are hinged through the cross-shaped rotating shaft (62), the first connecting end (61) is respectively and rotatably connected with the connecting frame (11) and the connecting end (41), and the second connecting end (63) is respectively and rotatably connected with the front end of the telescopic rod of the hydraulic telescopic cylinder and the rear end of the cylinder body.

7. The auxiliary steering apparatus according to claim 1, wherein a saddle (7) is provided on the bracket (4), and the saddle (7) is rotatably connected to a lower portion of the rear end of the vehicle body (1).

8. The auxiliary steering apparatus according to claim 1, wherein the left and right sides and the rear end of the bracket (4) are respectively provided with a camera (8) electrically connected to the controller.

9. The auxiliary steering device according to claim 1, wherein the rear end of the bracket (4) is provided with an audible and visual integrated alarm (9) electrically connected with the controller.

10. A vehicle characterized by comprising the auxiliary steering device according to any one of claims 1 to 9.

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