CN214215959U - Double-torsion-bar turnover mechanism and vehicle - Google Patents

Abstract

The embodiment of the utility model provides a two torsion bar tilting mechanism and vehicle, two torsion bar tilting mechanism's central siphon rotation assembly rotatably sets up for the limiting plate assembly, and the central siphon can drive the second end of first torsion bar, the second end of second torsion bar is rotatory when rotatory, and the moment of torsion can be saved simultaneously to first torsion bar and second torsion bar, and when the driver's cabin overturns back, the moment of torsion of the aforesaid accumulation can provide the upset power for the driver's cabin to help the driver's cabin upset. The utility model discloses in two torsion bar tilting mechanism, the central siphon first torsion bar the coaxial setting of second torsion bar for the center of upset of driver's cabin coincides with the center of rotation of first torsion bar and second torsion bar, has avoided wearing and tearing and abnormal sound among the rotatory process.

Description

Double-torsion-bar turnover mechanism and vehicle

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a two torsion bar tilting mechanism and vehicle.

Background

For a flathead truck, the engine is generally arranged at the lower part of the cab, and when the vehicle is repaired, the cab needs to be turned over to perform maintenance on the engine. Since the cab of a truck is heavy, it needs to be tilted by means of a hydraulic mechanism or a torsion bar tilting mechanism.

In the prior art, a torsion bar turnover mechanism of a cab is generally divided into a single torsion bar turnover mechanism and a double torsion bar turnover mechanism. In the traditional single torsion bar turnover mechanism, one end of a torsion bar is fixed on the left side of the turnover mechanism of a vehicle and a cab, the other end of the torsion bar is fixed on the right side of the turnover mechanism, a cab turnover center and a torsion bar rotation center are arranged in a superposition mode, and torque is generated through the torsion bar to assist the cab turnover. Two torsion bars of the traditional double-torsion-bar turnover mechanism are arranged front and back, and the left end and the right end of each torsion bar are respectively connected with the rocker arm and the fixing seat. One end of the rocker arm is fixedly connected with the torsion bars, the other end of the rocker arm is supported at the lower part of the cab longitudinal beam, and the two torsion bars simultaneously generate torque to assist the cab to overturn.

However, in the process of using the single torsion bar turnover mechanism, the left and right stress of the cab is uneven, so that the cab is easy to deflect. The cab tilting center of the double-torsion bar tilting mechanism is not coincident with the rotation center of the torsion bar, so that relative displacement can be generated between the rocker arm and the cab longitudinal beam, and abrasion and abnormal sound are easily generated between the rocker arm and the cab longitudinal beam due to friction.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a two torsion bar tilting mechanism and vehicle to solve between rocking arm and the driver's cabin longeron easily because the problem of friction production wearing and tearing and abnormal sound.

In order to solve the technical problem, the utility model discloses a realize like this:

in a first aspect, an embodiment of the present invention provides a double torsion bar turnover mechanism, including: the device comprises an axle tube rotating assembly, a first torsion bar, a second torsion bar and a limiting plate assembly; wherein the content of the first and second substances,

the shaft tube rotating assembly comprises a shaft tube, the first torsion bar is sleeved in the first end of the shaft tube, the second torsion bar is sleeved in the second end of the shaft tube, the first torsion bar and the second torsion bar are coaxially arranged, and the first torsion bar and the second torsion bar are symmetrically arranged relative to the central plane between the first end and the second end of the shaft tube;

the limiting plate assembly comprises a first limiting plate and a second limiting plate, the first end of the first torsion bar is fixedly connected with the first limiting plate, the second end of the first torsion bar is fixedly connected with the axle tube, the first end of the second torsion bar is fixedly connected with the second limiting plate, and the second end of the second torsion bar is fixedly connected with the axle tube;

the axle tube rotation assembly is rotatably disposed relative to the limit plate assembly.

Furthermore, a gap is formed in the center position between the first end and the second end of the shaft tube, and the first limiting plate and the second limiting plate penetrate into the gap and are fixedly connected with the first torsion bar and the second torsion bar respectively.

Further, the limiting plate assembly further comprises a support, and the first limiting plate and the second limiting plate are fixedly connected with the support respectively.

Furthermore, a guide surface is arranged on the support, and protrusions sliding along the guide surface are respectively arranged on the first limiting plate and the second limiting plate.

Further, the guide surface is an arc surface, and the protrusion is an arc protrusion matched with the arc surface.

Furthermore, the guiding surfaces are two and are symmetrically arranged on two sides of the support, one of the guiding surfaces corresponds to the protrusion of the first limiting plate, and the other guiding surface corresponds to the protrusion of the second limiting plate.

Furthermore, the number of the supports is two, one guide surface is arranged on each support, one guide surface of each support corresponds to the protrusion of the first limiting plate, and the other guide surface of each support corresponds to the protrusion of the second limiting plate.

Further, a plurality of splines and a plurality of fasteners are also included; wherein the content of the first and second substances,

the first end of the first torsion bar is fixedly connected with the first limiting plate through the spline, the second end of the first torsion bar is fixedly connected with the shaft tube through the spline, the first end of the second torsion bar is fixedly connected with the second limiting plate through the spline, and the second end of the second torsion bar is fixedly connected with the shaft tube through the spline;

the first limiting plate and the second limiting plate are fixedly connected with the support through the fasteners respectively.

Further, the central siphon rotation assembly still includes two support arms and two roating seats, two the support arm is fixed on the central siphon, the rotatable cover of central siphon is established two on the roating seat.

In a second aspect, the embodiment of the present invention further provides a vehicle, where the vehicle includes a cab, a vehicle body, and the above dual torsion bar turnover mechanism; wherein the content of the first and second substances,

and an axle tube rotating assembly of the double-torsion bar turnover mechanism is fixedly connected with the cab, and a limiting plate assembly of the double-torsion bar turnover mechanism is fixedly connected with the vehicle body.

In the embodiment of the present invention, by providing the above-mentioned dual torsion bar turnover mechanism, the dual torsion bar turnover mechanism is rotatably disposed relative to the limiting plate assembly through the shaft tube rotation assembly, and can drive the shaft tube to rotate, the first end of the shaft tube is sleeved with the first torsion bar, the second end of the shaft tube is sleeved with the second torsion bar, the shaft tube drives the second end of the first torsion bar and the second end of the second torsion bar to rotate during the rotation process, because the first end of the first torsion bar is fixed on the first limiting plate, and the first end of the second torsion bar is fixed on the second limiting plate, the first torsion bar and the second torsion bar can accumulate the torque during the rotation process, when the shaft tube rotation assembly is connected with the cab, when the cab is overturned, the shaft tube can rotate together with the first torsion bar and the second torsion bar, and drive the first torsion bar and the second torsion bar to accumulate the torque simultaneously, when the cab is overturned, the accumulated torque may provide a rollover force to the cab to assist the cab rollover. Because the first torsion bar and the second torsion bar are symmetrically arranged relative to the central plane between the first end and the second end of the axle tube, the first torsion bar and the second torsion bar can keep the left and right stress of the cab uniform in the rotating process, and the phenomenon that the cab is inclined is avoided. Just in the utility model discloses among the two torsion bar tilting mechanism, the central siphon first torsion bar the coaxial setting of second torsion bar for the center of overturning of driver's cabin coincides with the center of rotation of first torsion bar and second torsion bar, has avoided wearing and tearing and abnormal sound among the rotatory process. First torsion bar, second torsion bar respectively with first limiting plate, second limiting plate fixed connection, avoided the unable problem of adjusting well that leads to of two torsion bars of only limiting plate connection, the installation is easier.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of a double torsion bar turnover mechanism according to an embodiment of the present invention;

fig. 2 is a schematic diagram showing a longitudinal sectional structure of a double torsion bar turnover mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural view illustrating that the first limiting plate and the second limiting plate are arranged at two ends of the shaft tube according to the embodiment of the present invention;

fig. 4 is a schematic view showing a position relationship between a support and a first limiting plate according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a position relationship between the support and the first limiting plate according to an embodiment of the present invention.

Description of reference numerals:

10-shaft tube rotating assembly; 101-an axle tube; 102-a support arm; 103-a rotating base; 104-a shaft sleeve; 105-a fixation plate; 20-a first torsion bar; 30-a second torsion bar; 40-a limiting plate assembly; 401-a first limit plate, 402-a second limit plate; 403-support; 404-a guide surface; 405-convex.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

An embodiment of the utility model provides a two torsion bar tilting mechanism can be arranged in the device that needs overturn, for example, the driver's cabin of truck, when needing to reply after the driver's cabin upset, two torsion bar tilting mechanism can provide the upset power to in the driver's cabin resets fast.

Referring to fig. 1, a structural schematic diagram of a dual torsion bar turnover mechanism according to an embodiment of the present invention is shown, referring to fig. 2, a longitudinal sectional structural schematic diagram of a dual torsion bar turnover mechanism according to an embodiment of the present invention is shown, as shown in fig. 1-2, the dual torsion bar turnover mechanism may specifically include: the shaft tube rotating assembly 10, the first torsion bar 20, the second torsion bar 30 and the limit plate assembly 40; the shaft tube rotating assembly 10 includes a shaft tube 101, the first torsion bar 20 is sleeved in a first end of the shaft tube 101, the second torsion bar 30 is sleeved in a second end of the shaft tube 101, the first torsion bar 20 and the second torsion bar 30 are coaxially disposed, and when the shaft tube 101 rotates, the first torsion bar 20 and the second torsion bar 30 can be driven to rotate. The first torsion bar 20 and the second torsion bar 30 are symmetrically arranged relative to the central plane between the first end and the second end of the axle tube 101, so that when the axle tube 101 drives the first torsion bar 20 and the second torsion bar 30 to rotate, the two ends of the axle tube 101 can be uniformly stressed, and the stability of turnover mechanisms such as a cab and the like connected with the axle tube rotating assembly 10 in the turnover process can be improved.

The embodiment of the utility model provides an in, limiting plate assembly 40 includes first limiting plate 401 and second limiting plate 402, the first end of first torsion bar 20 with first limiting plate 401 fixed connection, the second end of first torsion bar 20 with central siphon 101 fixed connection, central siphon 101 can drive the second end of first torsion bar 20 rotatory at rotatory in-process, because the first end of first torsion bar 20 is fixed on first limiting plate 401, and first torsion bar 20 can take place to twist reverse when its second end takes place to save the moment of torsion, thereby can be when the driver's cabin replies, apply moment. In addition, the first end of the second torsion bar 30 is fixedly connected to the second limiting plate 402, the second end of the second torsion bar 30 is fixedly connected to the axle tube 101, the axle tube 101 drives the second end of the second torsion bar 30 to rotate when rotating, and the first end of the second torsion bar 30 is fixed to the second limiting plate 402, so that the second torsion bar 30 is twisted when the second end of the second torsion bar 30 rotates, and torque is accumulated, and thus torque can be applied when the cab returns.

The axle tube rotation assembly 10 is rotatably disposed relative to the limit plate assembly 40, that is, the axle tube 101 can rotate relative to the first limit plate 401 and the second limit plate 402, and in the process of rotation, the first torsion bar 20 and the second torsion bar 30 can be driven to twist, and torque is accumulated, when the axle tube rotation assembly 10 is connected to the cab, when the cab is overturned, the axle tube 101 rotates together, and the first torsion bar 20 and the second torsion bar 30 are driven to simultaneously accumulate torque, and when the cab is overturned, the accumulated torque can provide overturning force for the cab to help the cab to return. Because the first torsion bar 20 and the second torsion bar 30 are symmetrically arranged relative to the central plane between the first end and the second end of the axle tube 101, the first torsion bar 20 and the second torsion bar 30 can keep the left and right stress of the cab uniform in the rotating process, and the phenomenon that the cab is deflected is avoided. Just in the utility model discloses in two torsion bar tilting mechanism, central siphon 101 first torsion bar 20 the coaxial setting of second torsion bar 30 for the upset center of driver's cabin with first torsion bar 20 with the coincidence of the rotation center of second torsion bar 30 has avoided wearing and tearing and abnormal sound among the rotatory process. First torsion bar 20, second torsion bar 30 respectively with first limiting plate 401, second limiting plate 402 fixed connection, avoided the unable problem of adjusting well that leads to of two torsion bars of only a limiting plate connection, the installation is easier.

In practical applications, the second end of the first torsion bar 20 may be fixedly connected to the first end of the shaft tube 101, and the second end of the second torsion bar 30 may be fixedly connected to the second end of the shaft tube 101, so that the first limit plate 401 and the second limit plate 402 may be disposed at a central position of the shaft tube 101. In an embodiment of the present invention, in order to facilitate the first limiting plate 401, the second limiting plate 402 respectively with the first torsion bar 20 the second torsion bar 30 is connected, the central position department between the first end and the second end of central tube 101 is provided with a notch, the first limiting plate 401 the second limiting plate 402 penetrates the notch respectively with the first torsion bar 20 the second torsion bar 30 fixed connection, specifically, the first limiting plate 401 is fixedly connected with the first end of the first torsion bar 20, the second limiting plate 402 is fixedly connected with the first end of the second torsion bar 30.

In practical application, for the intensity of reinforcing central siphon 101, prevent central siphon 101 because the fracture from taking place in breach department because long-term rotation repeatedly, the embodiment of the utility model provides an, breach department still is provided with axle sleeve 104, and axle sleeve 104 cover is established in the outside of breach, is provided with on the axle sleeve 104 equally be convenient for first limiting plate 401 the via hole that second limiting plate 402 passed, the position of via hole is relative with the position of breach, and the size of via hole and the size of breach then can be confirmed according to the size of first limiting plate 401 and second limiting plate 402 of reality.

As can be understood by those skilled in the art, a fixing plate may also be disposed inside the shaft tube 101, so that the second end of the first torsion bar 20 and the second end of the second torsion bar 30 are respectively and fixedly connected to the fixing plate, and thus the first limiting plate 401 may be directly disposed at the first end of the shaft tube 101, and the second limiting plate 402 may be disposed at the second end of the shaft tube 101, so as to avoid a gap being formed on the shaft tube 101, and enhance the strength of the shaft tube 101. Referring to fig. 3, showing the first limiting plate and the second limiting plate of the embodiment of the present invention are disposed at two ends of the axle tube, in fig. 3, the number of the fixing plates 105 is two, and the two fixing plates 105 are disposed at the center of the axle tube 101.

In practical applications, the number of the fixing plates 105 may be one or two. When the number of the fixing plates 105 is one, the second end of the first torsion bar 20 and the second end of the second torsion bar 30 may be fixedly connected to both sides of the same fixing plate 105; when the number of the fixing plates 105 is two, the two fixing plates 105 are respectively fixedly connected to the second end of the first torsion bar 20 and the second end of the second torsion bar 30, the number of the specific fixing plates 105 can be determined according to the distance between the first torsion bar 20 and the second torsion bar 30, when the first torsion bar 20 and the second torsion bar 30 are relatively close to each other, only one fixing plate 105 can be disposed, and when the first torsion bar 20 and the second torsion bar 30 are relatively far from each other, the two fixing plates 105 can be disposed, and the specific number of the fixing plates 105 is not limited by the embodiment of the present invention.

In an embodiment of the present invention, the dual torsion bar turnover mechanism may further include: a plurality of splines, a first end of the first torsion bar 20 is fixedly connected with the first limit plate 401 through the splines, a second end of the first torsion bar 20 is fixedly connected with the shaft tube 101 through the splines, a first end of the second torsion bar 30 is fixedly connected with the second limit plate 402 through the splines, and a second end of the second torsion bar 30 is fixedly connected with the shaft tube 101 through the splines; because the stress of the spline connection is uniform, the grooves on the spline are generally shallow, the stress concentration at the tooth root is small, and the strength is weakened less; the splines are mainly contacted through a plurality of teeth, and the total contact area is large, so that a large load can be borne; the transmission of the torque is facilitated. Those skilled in the art will appreciate that the spline connection may be realized by other linkage connection methods according to different design requirements.

The embodiment of the utility model provides an in, first torsion bar 20 and second torsion bar 30 pass through splined connection with two limiting plates of first limiting plate 401, second limiting plate 402 respectively, and in the process of installation, need not consider first torsion bar 20 and second torsion bar 30 to aim at the problem. When two torsion bars of the first torsion bar 20 and the second torsion bar 30 are connected with the same limiting plate, after one torsion bar is aligned, the second torsion bar is difficult to align with spline teeth on the limiting plate, so that the installation is more convenient, and the installation speed is increased.

It will be appreciated by those skilled in the art that the first torsion bar 20 and the second torsion bar 30 are structural members having suitable elasticity. Within the specified limits, the elastic deformability of the structural element allows it to withstand a certain load and store energy, and to recover to its natural state after the load has been removed without permanent deformation. Preferably, the first torsion bar 20 and the second torsion bar 30 are made of a spring steel material.

The embodiment of the present invention provides a structure of the first torsion bar 20 and the second torsion bar 30 is the same, and the effective working length of the first torsion bar 20 and the second torsion bar 30 can be a circular section, and also can be a section of other forms, wherein the effective working length refers to the length of the twisted portion.

In the embodiment of the present invention, the limiting plate assembly 40 further includes a support 403, the first limiting plate 401 and the second limiting plate 402 respectively with the support 403 fixed connection, the support 403 is used for fixing on the frame of the vehicle, so as to fix the whole limiting plate assembly 40 on the frame of the vehicle, for the limiting plate assembly 40 can be rotatably disposed the axle tube rotating assembly 10 can rotate for the frame of the vehicle.

In practical application, one or two supports 403 may be provided, and when one support 403 is provided, the first limiting plate 401 and the second limiting plate 402 are symmetrically disposed on two sides of the support 403; when there are two supports 403, the first limiting plate 401 is fixedly connected to one of the supports 403, and the second limiting plate 402 is fixedly connected to the other support 403.

The embodiment of the utility model provides an in, first limiting plate 401 and second limiting plate 402 are close to each other to set up on same support 403, thereby can reduce the size of support 403, practice thrift the cost, and the size of via hole and the size of breach also can reduce correspondingly, thereby can also strengthen the intensity of central siphon 101.

Referring to fig. 4, showing a schematic diagram of a position relationship between a support and a first limiting plate according to an embodiment of the present invention, referring to fig. 5, showing a schematic diagram of a position relationship between a support and a first limiting plate according to an embodiment of the present invention, referring to fig. 4-5, in an embodiment of the present invention, a guide surface 404 is disposed on the support 403, a protrusion 405 sliding along the guide surface 404 is disposed on the first limiting plate 401, similarly, a protrusion 405 sliding along the guide surface 404 is also disposed on the second limiting plate 402, and by the cooperation of the protrusion 405 and the guide surface 404, the first limiting plate 401 and the second limiting plate 402 can rotate along a fixed track, so that when the first limiting plate 401 and the second limiting plate 402 are installed, axial position deviation of splines on the first limiting plate 401 and the second limiting plate 402 can be avoided, the first torsion bar 20 and the second torsion bar 30 are more aligned when they are installed, and the installation is facilitated. Fig. 4 shows a position where the first stopper plate 401 is fixed to the holder 403, and fig. 5 shows a position where the first stopper plate 401 is fixed to the holder 403.

In practical applications, in order that the first and second limiting plates 401 and 402 rotate along the axes of the first and second torsion bars 20 and 30 when the support 403 is mounted on the first and second limiting plates 401 and 402, the guide surface 404 is an arc surface, and the protrusion 405 is an arc protrusion matching with the arc surface.

In the case that there is one support 403, there are two guide surfaces 404, and the two guide surfaces 404 are symmetrically disposed on two sides of the support 403, wherein one guide surface 404 corresponds to the protrusion 405 of the first limiting plate 401, and the other guide surface 404 corresponds to the protrusion 405 of the second limiting plate 402.

In the case that there are two supports 403, each support 403 is provided with one guide surface 404, wherein the guide surface 404 of one support 403 corresponds to the protrusion 405 of the first stopper plate 401, and the guide surface 404 of the other support 403 corresponds to the protrusion 405 of the second stopper plate 402.

In the embodiment of the present invention, the dual torsion bar turnover mechanism further includes a plurality of fasteners, the first limiting plate 401 the second limiting plate 402 respectively pass through the fasteners and the support 403 is fixedly connected, specifically, the first limiting plate 401 the second limiting plate 402 reaches the support 403 is provided with corresponding mounting holes, and the fasteners pass through the mounting holes to play the role of fixed connection.

In the embodiment of the present invention, the shaft tube rotating assembly 10 further includes two supporting arms 102 and two rotating bases 103, the two supporting arms 102 are fixed on the shaft tube 101, and are used for being fixedly connected with the cab and driving the shaft tube 101 to rotate along with the cab; the axle tube 101 can be rotatably sleeved on the two rotating seats 103, and the rotating seats 103 are fixed on the frame of the vehicle to play a role in supporting the axle tube 101 and ensure that the axle tube 101 rotates around an axis without deviation.

In the embodiment of the utility model provides an in order to improve central siphon 101 in rotatory process, the symmetry at central siphon 101 both ends, two support arms 102 for central plane symmetry between the first end of central siphon 101 and the second end sets up, two roating seats 103 for central plane symmetry between the first end of central siphon 101 and the second end sets up.

In practical applications, the working surface of the support arm 102, which is matched with the cab, may be streamlined to increase the contact area between the support arm 102 and the cab, and improve the stability of the connection between the support arm 102 and the cab.

The embodiment of the utility model provides a two torsion bar tilting mechanism includes following advantage:

the embodiment of the utility model provides an in, because the central siphon rotation assembly for limiting plate assembly rotatably sets up, the first end endotheca of central siphon is equipped with first torsion bar, the second end endotheca of central siphon is equipped with the second torsion bar, the central siphon is at rotatory in-process, can drive the second end of first torsion bar, the second end of second torsion bar is rotatory, because the first end of first torsion bar is fixed on first limiting plate, the first end of second torsion bar is fixed on the second limiting plate, the moment of torsion can be saved simultaneously at rotatory in-process to first torsion bar and second torsion bar, when the axis pipe rotation assembly is connected with the driver's cabin, when the driver's cabin overturns, the central siphon can rotate together along with, and drive first torsion bar and second torsion bar and save the moment of torsion simultaneously, when the driver's cabin overturns back, the moment of torsion that above-mentioned accumulation can provide upset power for the driver's cabin, in order to help the driver's cabin upset. Because the first torsion bar and the second torsion bar are symmetrically arranged relative to the central plane between the first end and the second end of the axle tube, the first torsion bar and the second torsion bar can keep the left and right stress of the cab uniform in the rotating process, and the phenomenon that the cab is inclined is avoided. Just in the utility model discloses among the two torsion bar tilting mechanism, the central siphon first torsion bar the coaxial setting of second torsion bar for the center of overturning of driver's cabin coincides with the center of rotation of first torsion bar and second torsion bar, has avoided wearing and tearing and abnormal sound among the rotatory process. First torsion bar, second torsion bar respectively with first limiting plate, second limiting plate fixed connection, avoided the unable problem of adjusting well that leads to of two torsion bars of only limiting plate connection, the installation is easier.

The embodiment of the utility model also provides a vehicle, the vehicle includes driver's cabin, automobile body and foretell two torsion bar tilting mechanism; the specific structural form and the working principle of the double torsion bar turnover mechanism have been described in detail in the above embodiments, which are not limited by the embodiments of the present invention.

In the embodiment of the present invention, the axle tube rotating assembly 10 of the dual-torsion bar turnover mechanism is fixedly connected to the cab, and the limiting plate assembly 40 of the dual-torsion bar turnover mechanism is fixedly connected to the vehicle body. In the process of rotating and lifting the cab, the axle tube 101 of the axle tube rotating assembly 10 is driven to rotate, the rotation of the axle tube 101 drives the first torsion bar 20 and the second torsion bar 30 to twist, and the first torsion bar 20 and the second torsion bar 30 accumulate torque in the twisting process; the torque accumulated in the first torsion bar 20 and the second torsion bar 30 provides a rollover force to assist the cab to roll over when the cab rolls back to the home position.

It can be understood by those skilled in the art that the dual torsion bar turnover mechanism provided by the embodiment of the present invention may also be installed in other types of vehicles or equipment according to the design requirement of the cab, and the embodiment of the present invention is not limited thereto.

The embodiment of the utility model provides a vehicle includes following advantage:

the vehicle of the embodiment of the present invention is provided with the above-mentioned dual torsion bar turnover mechanism, the dual torsion bar turnover mechanism is rotatably disposed relative to the limiting plate assembly through the shaft tube rotation assembly, and can drive the shaft tube to rotate, the first end of the shaft tube is sleeved with the first torsion bar, the second end of the shaft tube is sleeved with the second torsion bar, the shaft tube can drive the second end of the first torsion bar and the second end of the second torsion bar to rotate in the rotation process, because the first end of the first torsion bar is fixed on the first limiting plate, the first end of the second torsion bar is fixed on the second limiting plate, the first torsion bar and the second torsion bar can accumulate the torque in the rotation process, when the shaft tube rotation assembly is connected with the cab, when the cab is overturned, the shaft tube can rotate together, and drive the first torsion bar and the second torsion bar to accumulate the torque simultaneously, when the cab is overturned, the accumulated torque may provide a rollover force to the cab to assist the cab rollover. Because the first torsion bar and the second torsion bar are symmetrically arranged relative to the central plane between the first end and the second end of the axle tube, the first torsion bar and the second torsion bar can keep the left and right stress of the cab uniform in the rotating process, and the phenomenon that the cab is inclined is avoided. Just in the utility model discloses among the two torsion bar tilting mechanism, the central siphon first torsion bar the coaxial setting of second torsion bar for the center of overturning of driver's cabin coincides with the center of rotation of first torsion bar and second torsion bar, has avoided wearing and tearing and abnormal sound among the rotatory process. First torsion bar, second torsion bar respectively with first limiting plate, second limiting plate fixed connection, avoided the unable problem of adjusting well that leads to of two torsion bars of only limiting plate connection, the installation is easier.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.

The above detailed description is given to a dual torsion bar turnover mechanism and a vehicle provided by the present invention, and the specific examples are applied herein to explain the principles and embodiments of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. A dual torsion bar canting mechanism comprising: the device comprises an axle tube rotating assembly, a first torsion bar, a second torsion bar and a limiting plate assembly; wherein the content of the first and second substances,

the shaft tube rotating assembly comprises a shaft tube, the first torsion bar is sleeved in the first end of the shaft tube, the second torsion bar is sleeved in the second end of the shaft tube, the first torsion bar and the second torsion bar are coaxially arranged, and the first torsion bar and the second torsion bar are symmetrically arranged relative to the central plane between the first end and the second end of the shaft tube;

the limiting plate assembly comprises a first limiting plate and a second limiting plate, the first end of the first torsion bar is fixedly connected with the first limiting plate, the second end of the first torsion bar is fixedly connected with the axle tube, the first end of the second torsion bar is fixedly connected with the second limiting plate, and the second end of the second torsion bar is fixedly connected with the axle tube;

the axle tube rotation assembly is rotatably disposed relative to the limit plate assembly.

2. The dual torsion bar turnover mechanism as recited in claim 1, wherein a notch is formed at a central position between the first end and the second end of the shaft tube, and the first limiting plate and the second limiting plate penetrate through the notch to be fixedly connected to the first torsion bar and the second torsion bar, respectively.

3. The dual torsion bar turnover mechanism as recited in claim 1, wherein the limiting plate assembly further includes a support, and the first limiting plate and the second limiting plate are respectively and fixedly connected to the support.

4. A double torsion bar turnover mechanism as set forth in claim 3 wherein said support is provided with a guide surface, and said first and second limit plates are provided with a protrusion sliding along said guide surface.

5. A double torsion bar turnover mechanism as set forth in claim 4 in which said guide surface is a circular arc surface and said protrusions are circular arc protrusions matching said circular arc surface.

6. The dual torsion bar turnover mechanism as recited in claim 4, wherein there are two guide surfaces, two of the guide surfaces are symmetrically disposed on both sides of the support, one of the guide surfaces corresponds to the protrusion of the first limit plate, and the other guide surface corresponds to the protrusion of the second limit plate.

7. The dual torsion bar turnover mechanism as recited in claim 4, wherein there are two of said supports, and each of said supports has one of said guide surfaces, and wherein one of said guide surfaces of said supports corresponds to said protrusion of said first restriction plate, and the other of said guide surfaces of said supports corresponds to said protrusion of said second restriction plate.

8. A dual torsion bar canting mechanism in accordance with claim 3 further comprising a plurality of splines and a plurality of fasteners; wherein the content of the first and second substances,

the first end of the first torsion bar is fixedly connected with the first limiting plate through the spline, the second end of the first torsion bar is fixedly connected with the shaft tube through the spline, the first end of the second torsion bar is fixedly connected with the second limiting plate through the spline, and the second end of the second torsion bar is fixedly connected with the shaft tube through the spline;

the first limiting plate and the second limiting plate are fixedly connected with the support through the fasteners respectively.

9. The dual torsion bar turnover mechanism as recited in claim 1, wherein the shaft tube rotation assembly further includes two support arms and two rotation bases, the two support arms are fixed on the shaft tube, and the shaft tube is rotatably fitted over the two rotation bases.

10. A vehicle, characterized in that the vehicle comprises a cab, a vehicle body, and a double torsion bar turnover mechanism as recited in any one of claims 1 to 9; wherein the content of the first and second substances,

and an axle tube rotating assembly of the double-torsion bar turnover mechanism is fixedly connected with the cab, and a limiting plate assembly of the double-torsion bar turnover mechanism is fixedly connected with the vehicle body.

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