CN113524980A

CN113524980A - Trailer axle

Info

Publication number: CN113524980A
Application number: CN202110862392.2A
Authority: CN
Inventors: 辛龙飞; 孙昊盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of trailers, in particular to a trailer axle which comprises an axle main body, wherein hubs are symmetrically and threadedly connected to the outer surfaces of two ends of the axle main body, the axle main body is formed by connecting a first axle body and a second axle body, a connecting mechanism is fixedly connected between the first axle body and the second axle body, and the connecting mechanism comprises a first connecting block, a second connecting block, a groove, a hinging block, a fixing block, a first flange plate, a second flange plate and a bearing. According to the axle, the fixing sleeve is fixedly connected with the axle main body through the first flange plate and the second flange plate, so that the first axle body and the second axle body are fixed, the connection strength between the first axle body and the second axle body is increased, the strength of the axle main body is increased due to the fact that the first axle body and the second axle body are of solid structures, the axle main body can be prevented from deforming due to compression, the service life of the axle is prolonged, and the safety of a driver during driving is improved.

Description

Trailer axle

Technical Field

The invention relates to the technical field of trailers, in particular to a trailer axle.

Background

The axle of the semitrailer is connected with the frame through the suspension, wheels are arranged at two ends of the axle, the axle is used for bearing the load of the semitrailer and maintaining the normal running of the semitrailer on a road, and the axle can be divided into a disconnected axle and an integrated axle according to the structural form of the suspension, wherein the disconnected axle is of a movable joint structure and is matched with an independent suspension for use; the middle part of the integral axle is a rigid solid or hollow beam, and the semitrailer usually adopts the integral axle due to more cargos, and the axle has a larger structure in the production and storage of the traditional semitrailer, so that the semitrailer is not only troublesome to carry, but also occupies a large amount of space during storage.

Chinese patent discloses a semitrailer axle convenient to it is folding, and patent application number is CN202022216768.6, including left side axle pole and right side axle pole, one side thread bush that left side axle pole and right side axle pole kept away from each other is equipped with wheel hub, the inside movable sleeve of left side axle pole is equipped with the telescopic link, two connecting blocks of outside fixedly connected with of telescopic link, the fixed cover in outside of connecting block is equipped with the push rod, the bottom fixedly connected with hinge of left side axle pole, the right side of hinge is connected on the right side axle pole, two fixed blocks of top fixedly connected with of left side axle pole, the top of fixed block is rotated and is connected with the dog.

The above-mentioned comparison patent drives the telescopic link to stretch into the left side bridge rod through pulling the push rod, in order to connect left side bridge rod and right side bridge rod, and remove the connection relation between two bridge rods through shifting the telescopic link out of left side bridge rod, thus realize the purpose of folding the whole axle, can fold the axle fast, convenient to deposit, but because left side bridge rod is hollow structure, and fixing strength of the fixing device is lower, because the axle main body can receive the pressure that the vehicle body of the semitrailer exerts to it in the use, lead to the left side bridge rod to be pressed and produce deformation easily, reduce the service life of the axle, bring the potential safety hazard for driver and road traffic, in addition because the shock attenuation part function is single in the traditional axle, can't carry on the multistage buffering, directly exert pressure to the axle main body, increase the wearing and tearing between the part, lead to the vehicle body shock attenuation performance poor, the comfort of the driver when driving is reduced.

To this end, a trailer axle is proposed.

Disclosure of Invention

The present invention is directed to a trailer axle that solves the problems set forth above in the background of the invention.

In order to achieve the purpose, the invention provides the following technical scheme: the trailer axle comprises an axle main body, wherein hubs are symmetrically and threadedly connected to the outer surfaces of two ends of the axle main body, the axle main body is formed by connecting a first axle body and a second axle body, and a connecting mechanism is fixedly connected between the first axle body and the second axle body;

the connecting mechanism comprises a first connecting block, a second connecting block, a groove, a hinging block, a fixing block, a first flange, a second flange and a bearing, wherein one end of the first connecting block, which is far away from the second bridge body, is fixedly connected with the first bridge body, one end of the second connecting block, which is far away from the first bridge body, is fixedly connected with the second bridge body, the outer surface of one side of the first connecting block, which is far away from the first bridge body, is provided with the groove, the outer surface of one side of the second connecting block, which is far away from the second bridge body, is also provided with the groove, the two sides of the inner surfaces of the two grooves are both movably connected with the hinging block through the bearing, the fixing blocks are sleeved on the outer surfaces of the first connecting block and the second connecting block, the outer surfaces of the two sides of the fixing block are fixedly connected with the first flange, and the positions, which are close to the first flange, of the outer surfaces of the first bridge body and the second bridge body are fixedly connected with the second flange, the first flange plate is fixedly connected with the second flange plate through a plurality of nuts, and a buffer mechanism is fixedly connected to the center of the outer surface of the upper end of the fixing block.

Because the left axle rod in the above-mentioned comparison patent is a hollow structure, and the fixing strength of the fixing device is lower, in the course of use, because the axle main body can be pressed by the semitrailer body, the left axle rod is easily deformed due to compression, and the service life of the axle is reduced, and the safety hidden trouble is brought to the driver and road traffic Fixed cover is established to second connecting block surface cover, and will fix between cover and the axle main part through first ring flange and second ring flange fixed connection, thereby fix between first pontic and the second pontic, the joint strength between first pontic and the second pontic has been increased, because first pontic and second pontic are solid construction, the intensity of axle main part self has been increased, can prevent that the axle main part from taking place because the pressurized condition that produces deformation, the life of axle has been prolonged, the security when having improved the driver and traveling.

Preferably, the buffer mechanism comprises a sliding cylinder, a sliding rod, a first spring, a cross beam, a first connecting plate, a supporting rod, a second connecting plate, a sliding sleeve and a second spring, the outer surface of the lower end of the sliding cylinder is fixedly connected with a fixed block, the sliding cylinder is connected with the sliding rod in a sliding manner, the first spring is sleeved at the position, close to the lower end, of the annular outer surface of the sliding rod, the upper end of the first spring is fixedly connected with the sliding rod, the lower end of the first spring is fixedly connected with the sliding cylinder, the outer surface of the upper end of the sliding rod is fixedly connected with the cross beam, the two first connecting plates are symmetrically and fixedly connected at the positions, close to the two sides of the sliding rod, of the lower end of the annular outer surface of the cross beam, the front end and the rear end of the inner surface of each first connecting plate are movably connected with the supporting rod through a rotating shaft, a 45-degree included angle is formed between the supporting rod and the axle main body, and the outer surfaces of the front end and the rear end of one side, far away from the first connecting plates, are movably connected with the second connecting plate through the rotating shaft, the outer surface of the lower end of the second connecting plate is fixedly connected with a sliding sleeve, the annular inner surface of the sliding sleeve is connected with the axle main body in a sliding mode, two second springs are symmetrically sleeved on the two sides of the annular outer surface of the axle main body in a two-side mode, one ends of the second springs are fixedly connected with the sliding sleeve, and the other ends of the second springs are fixedly connected with the axle main body.

When the automobile axle works, because the shock absorption part in the traditional axle has single function and can not carry out multi-stage buffering, pressure is directly applied to the axle main body, the abrasion between parts is increased, the shock absorption performance of an automobile body is poor, and the comfort level of a driver during driving is reduced, by arranging the buffering mechanism, when the automobile is bumped during driving, the cross beam is pressed by force to drive the first spring to compress, and simultaneously the sliding sleeve is driven to slide towards the direction of the hub under the action of the supporting rod, so that the second spring is compressed, and when the cross beam ascends, the first spring and the second spring are driven to stretch, the invention buffers the pressure applied to the cross beam and the axle main body during driving by the elasticity of the first spring and the second spring by arranging the buffering mechanism, thereby avoiding the situation that the bracket applies gravity to the axle main body during driving of the automobile body, and the axle main body is easily damaged, the shock absorption performance of the vehicle body is improved, and the comfort level of a driver during driving is improved.

Preferably, the fixed block is spliced each other through a plurality of screws by first mounting panel and second mounting panel and is formed, the outer fixed surface of lower extreme of second connecting plate is connected with the fixed plate, first fixed slot has been seted up to the position that the annular surface upper end of sliding sleeve is close to the fixed plate, through a plurality of screw fixed connection between fixed plate and the first fixed slot.

When in use, because the axle main body needs to be folded and installed, if the fixed block is sleeved on the outer surfaces of the first connecting block and the second connecting block in an integrated structure, the installation and the disassembly of the axle main body cannot be smoothly carried out, the invention is formed by mutually splicing the first mounting plate and the second mounting plate through a plurality of screws, when in installation, firstly, the first bridge body and the second bridge body are rotated to be positioned at the same horizontal line, then the first connecting block, the second connecting block and the inner surface of the first mounting plate are mutually jointed, then the second mounting plate and the first mounting plate are mutually jointed and are mutually fixed through the screws, then the support plate is rotated to drive the second connecting plate and the fixed plate to move, the fixed plate and the first fixed groove are mutually jointed, and the fixed plate and the first fixed groove are mutually connected through the screws, thereby the second connecting plate is connected with the sliding sleeve, the fixing block is formed by mutually splicing a first mounting plate and a second mounting plate through a plurality of screws, and the fixing plate and the first fixing groove are mutually fixed to realize the purpose of fixedly connecting the second connecting plate and the sliding sleeve, so that the operation of mounting and dismounting the axle main bodies is facilitated.

Preferably, two groups of fixing mechanisms are symmetrically and movably connected to the center positions of the front side and the rear side of the second connecting plate, which are close to the upper ends of the second connecting plate;

the fixing mechanism comprises a rotating plate, a circular groove, a clamping rod and an arc-shaped groove, the rotating plate is hinged to the second connecting plate, the circular groove is formed in the position, close to the center, of the inside of the rotating plate, the clamping rod is fixedly and symmetrically connected to the position, close to the circular groove, of the outer surfaces of the front end and the rear end of the cross beam, the arc-shaped groove is formed in the position, close to the circular groove, of the upper end of the annular outer surface of the clamping rod, and the arc-shaped groove is clamped with the clamping rod.

During the operation, in the process of mounting and dismounting the axle main body, the support rod is fixed due to the lack of the fixing device, so that the support rod is easy to obstruct to workers, and inconvenience is brought to the mounting and dismounting work.

Preferably, the positions of the inner parts of the first connecting block and the second connecting block, which are close to the front end and the rear end of the hinge block, are symmetrically and movably connected with two groups of clamping mechanisms;

the clamping mechanism comprises a screw groove, a screw rod and a second fixing groove, the screw groove is formed in the position, close to the inner side of the bearing, of the inside of the first connecting block and the inside of the second connecting block, the screw rod is connected with the internal thread of the screw groove, one end of the hinged block is fixedly connected with a knob, the outer surfaces of the front end and the rear end of the hinged block are close to the position symmetry of the screw rod, four second fixing grooves are formed in the position symmetry of the outer surfaces of the front end and the rear end of the hinged block, and the second fixing grooves are connected with the screw rod in a threaded mode.

When the axle body is folded, the first axle body and the second axle body are fixed due to the lack of a fixing device, so that the first axle body and the second axle body are easy to rotate and expand, the storage space of the axle body is enlarged, and the axle body is inconvenient to carry. Prevent to lack fixing device and fix first pontic and second pontic after folding owing to going on the axle main part to lead to first pontic and second pontic to take place easily to rotate and open, cause the increase of axle main part parking space, and the inconvenient circumstances of carrying takes place, after the axle main part has been installed simultaneously, accessible block mechanism increases the joint strength between first pontic and the second pontic.

Preferably, the both sides surface design of arc structure is personally submitted to articulated piece, the chute has been seted up to the both sides surface central point of articulated piece, the inside swing joint of chute has the fixture block, the upper end surface of fixture block is the laminating each other of slope structure with the internal surface top of chute, one of them the one end that the chute was kept away from to the fixture block extends to the inside and the fixedly connected with third spring of first connecting block, the one end and the first connecting block fixed connection of fixture block are kept away from to the third spring.

When the axle main body is operated, the first bridge body and the second bridge body are required to be rotated to be positioned at the same horizontal line before the axle main body is installed, but a measuring mechanism is not used for measuring whether the first bridge body and the second bridge body reach the level or not, so that the difficulty is brought to the installation work, the chute and the fixture block are arranged, the outer surfaces of the two sides of the hinged block are designed into arc structures, when the first bridge body and the second bridge body are rotated upwards, the fixture block is contacted with the arc surface of the hinged block to compress the fixture block, when the fixture block enters the chute, the fixture block enters the chute under the elastic force of the second spring and is clamped with the chute, so that the first bridge body, the second bridge body and the hinged block are fixed at the same horizontal line, then the knob is rotated to fix the first connecting block and the second connecting block, and because the outer surface of the upper end of the fixture block is mutually attached to the top end of the inner surface of the chute in an inclined structure, when the axle main body is folded, the first bridge body and the second bridge body are rotated downwards, the inclined surfaces of the clamping block and the chute slide relatively, so that the clamping block and the chute are separated from each other, and the axle main body can be folded by continuously rotating the first bridge body and the second bridge body.

Compared with the prior art, the invention has the beneficial effects that:

the invention realizes the connection between the first axle body and the second axle body by arranging the connecting mechanism and connecting the first connecting block and the second connecting block by the hinging block, thereby realizing the folding of the axle main body by rotating the first axle body and the second axle body, reducing the occupied space when the axle main body is stored, being convenient for carrying, and fixing the first axle body and the second axle body by sleeving the fixing sleeve on the outer surfaces of the first connecting block and the second connecting block and fixedly connecting the fixing sleeve and the axle main body by the first flange and the second flange, thereby increasing the connecting strength between the first axle body and the second axle body, increasing the strength of the axle main body due to the solid structure of the first axle body and the second axle body, preventing the axle main body from deforming due to pressure, the service life of the axle is prolonged, the safety of a driver during driving is improved, in addition, the elastic force of the first spring and the second spring is utilized to buffer the pressure applied to the cross beam and the axle main body during driving, so that the phenomenon that the vehicle body is damaged due to the fact that the gravity is applied to the axle main body by the support during driving is avoided, the damping performance of the vehicle body is improved, and the comfort level of the driver during driving is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the first and second mounting plates and the hinge block of the present invention;

FIG. 3 is a sectional view showing the internal structure of the slide cartridge according to the present invention;

FIG. 4 is a schematic view of the combination of the circular groove and the clamping rod of the present invention;

FIG. 5 is a combined cross-sectional view of the rotating plate and the clamping rod according to the present invention;

FIG. 6 is an enlarged view of FIG. 2 at A;

FIG. 7 is a sectional view of the screw rod and the second fixing groove according to the present invention;

fig. 8 is a combined cross-sectional view of the chute and the latch according to the present invention.

In the figure: 1. an axle main body; 101. a first bridge body; 102. a second bridge body; 11. a hub;

2. a connecting mechanism; 21. a first connection block; 22. a second connecting block; 23. a groove; 24. a hinged block; 25. a fixed block; 251. a first mounting plate; 252. a second mounting plate; 26. a first flange plate; 27. a second flange plate; 28. a bearing;

3. a buffer mechanism; 31. a slide cylinder; 32. a slide bar; 33. a first spring; 34. a cross beam; 35. a first connecting plate; 36. A support bar; 37. a second connecting plate; 371. a fixing plate; 38. a sliding sleeve; 381. a first fixing groove; 39. a second spring;

4. a fixing mechanism; 41. rotating the plate; 42. a circular groove; 43. a clamping rod; 44. an arc-shaped slot;

5. a clamping mechanism; 51. a screw groove; 52. a screw; 53. a second fixing groove; 54. a chute; 55. a clamping block; 56. and a third spring.

Detailed Description

The invention now will be described in connection with a few, but not all, embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides a trailer axle technical solution:

a trailer axle is shown in fig. 1 and fig. 2, and comprises an axle main body 1, wherein hubs 11 are symmetrically and threadedly connected to the outer surfaces of two ends of the axle main body 1, the axle main body 1 is formed by connecting a first axle body 101 and a second axle body 102, and a connecting mechanism 2 is fixedly connected between the first axle body 101 and the second axle body 102;

coupling mechanism 2 includes first connecting block 21, second connecting block 22, recess 23, articulated piece 24, fixed block 25, first ring flange 26, second ring flange 27 and bearing 28, the one end and the first pontic 101 fixed connection of second pontic 102 are kept away from to first connecting block 21, the one end and the second pontic 102 fixed connection of first pontic 101 are kept away from to second connecting block 22, recess 23 has been seted up to one side surface that first pontic 101 was kept away from to first connecting block 21, recess 23 has also been seted up to one side surface that second pontic 102 was kept away from to second connecting block 22, two the internal surface both sides of recess 23 all have articulated piece 24 through bearing 28 swing joint, fixed block 25 has been cup jointed with the surface of first connecting block 21 and second connecting block 22, the both sides surface fixed connection of fixed block 25 has first ring flange 26, the position fixed connection that the surface of first pontic 101 and second pontic 102 is close to first ring flange 26 has a second ring flange And the first flange plate 26 and the second flange plate 27 are fixedly connected through a plurality of nuts, and the central position of the outer surface of the upper end of the fixed block 25 is fixedly connected with the buffer mechanism 3.

Because the left axle rod in the above-mentioned comparison patent is a hollow structure, and the fixing strength of the fixing device is lower, in the using process, because the axle main body 1 can be pressed by the semitrailer body, the left axle rod is easy to be pressed and deformed, the service life of the axle is reduced, and potential safety hazard is brought to the driver and road traffic, the invention realizes the connection between the first axle body 101 and the second axle body 102 by arranging the connecting mechanism 2 and connecting the first connecting block 21 and the second connecting block 22, the first connecting block 21 and the second connecting block 22 are rotatably connected by the hinge block 24, thereby realizing the folding of the axle main body 1 by rotating the first axle body 101 and the second axle body 102, reducing the space occupied when the axle main body 1 is stored, being convenient for carrying, and during the installation, rotating the first axle body 101 and the second axle body 102 to make the first axle body 101 and the second axle body 102 in the same horizontal line, the first connecting block 21 and the second connecting block 22 are sleeved with the fixing sleeve, the fixing sleeve is fixedly connected with the axle main body 1 through the first flange plate 26 and the second flange plate 27, the first axle body 101 and the second axle body 102 are fixed, the connection strength between the first axle body 101 and the second axle body 102 is increased, the first axle body 101 and the second axle body 102 are of solid structures, the strength of the axle main body 1 is increased, the axle main body 1 can be prevented from deforming due to compression, the service life of an axle is prolonged, and the safety of a driver during driving is improved.

As an embodiment of the present invention, as shown in fig. 1, 3 and 7, the buffer mechanism 3 includes a sliding cylinder 31, a sliding rod 32, a first spring 33, a cross beam 34, a first connecting plate 35, a supporting rod 36, a second connecting plate 37, a sliding sleeve 38 and a second spring 39, the outer surface of the lower end of the sliding cylinder 31 is fixedly connected with the fixed block 25, the sliding cylinder 31 is internally and slidably connected with the sliding rod 32, the first spring 33 is sleeved on the position of the annular outer surface of the sliding rod 32 close to the lower end, the upper end of the first spring 33 is fixedly connected with the sliding rod 32, the lower end of the first spring 33 is fixedly connected with the sliding cylinder 31, the outer surface of the upper end of the sliding rod 32 is fixedly connected with the cross beam 34, the positions of the lower end of the annular outer surface of the cross beam 34 close to both sides of the sliding rod 32 are symmetrically and fixedly connected with two first connecting plates 35, the front and rear ends of the inner surface of the first connecting plates 35 are movably connected with the supporting rod 36 through a rotating shaft, be 45 degrees contained angles setting between bracing piece 36 and the axle main part 1, the bracing piece 36 keeps away from first connecting plate 35 one side front and back both ends surface has second connecting plate 37 through pivot swing joint, the lower extreme external surface fixedly connected with sliding sleeve 38 of second connecting plate 37, sliding sleeve 38's annular internal surface and axle main part 1 sliding connection, two second springs 39 have been cup jointed to the annular surface bilateral symmetry of axle main part 1, the one end and the sliding sleeve 38 fixed connection of second spring 39, the other end and axle main part 1 fixed connection of second spring 39.

When the automobile axle works, because the shock absorption part in the traditional axle has single function and can not carry out multi-stage buffering, pressure is directly applied to the axle main body 1, the abrasion between parts is increased, the shock absorption performance of an automobile body is poor, and the comfort level of a driver during driving is reduced, by arranging the buffering mechanism 3, when the automobile is bumped during driving, the cross beam 34 is pressed downwards under the force of the force to drive the first spring 33 to be compressed, and simultaneously the sliding sleeve 38 is driven to slide towards the hub 11 under the action of the supporting rod 36, so that the second spring 39 is compressed, and when the cross beam 34 rises, the first spring 33 and the second spring 39 are driven to be stretched, by arranging the buffering mechanism 3, the pressure applied to the cross beam 34 and the axle main body 1 during driving is buffered by utilizing the elastic force of the first spring 33 and the second spring 39, so that the gravity applied to the axle main body 1 by the bracket during driving of the automobile body is avoided, thereby cause the impaired condition of axle main part 1 to take place easily, improved the shock attenuation performance of automobile body, promoted the comfort level when driver's driving.

As an embodiment of the present invention, as shown in fig. 2 and 3, the fixed block 25 is formed by splicing a first mounting plate 251 and a second mounting plate 252 together by a plurality of screws, a fixed plate 371 is fixedly connected to an outer surface of a lower end of the second connecting plate 37, a first fixed groove 381 is formed at a position, close to the fixed plate 371, of an upper end of an annular outer surface of the sliding sleeve 38, and the fixed plate 371 and the first fixed groove 381 are fixedly connected by a plurality of screws.

During operation, because the axle main body 1 needs to be folded and installed, if the fixing block 25 is sleeved on the outer surfaces of the first connecting block 21 and the second connecting block 22 as an integrated structure, the installation and disassembly of the axle main body 1 cannot be smoothly carried out, the invention comprises the steps of mutually splicing the first mounting plate 251 and the second mounting plate 252 through a plurality of screws, during installation, firstly rotating the first bridge body 101 and the second bridge body 102 to enable the first bridge body 101 and the second bridge body 102 to be positioned at the same horizontal line, then mutually jointing the inner surfaces of the first connecting block 21, the second connecting block 22 and the first mounting plate 251, then mutually jointing the second mounting plate 252 and the first mounting plate 251, mutually fixing the first mounting plate 251 and the second bridge body 251 through screws, then rotating the supporting plate to drive the second connecting plate 37 and the fixing plate 371 to move, mutually jointing the fixing plate 371 and the first fixing groove 381, and mutually jointing the fixing plate 371 and the first fixing groove 381 through screws, the fixing block 25 is formed by mutually splicing the first mounting plate 251 and the second mounting plate 252 through a plurality of screws, and the fixing block 371 and the first fixing groove 381 are mutually fixed to realize the purpose of fixedly connecting the second connecting plate 37 and the sliding sleeve 38, so that the operation of mounting and dismounting the axle body 1 is facilitated.

As an embodiment of the present invention, as shown in fig. 3 to 5, two sets of fixing mechanisms 4 are symmetrically and movably connected to the front and rear sides of the second connecting plate 37 near the center of the upper end;

fixing mechanism 4 includes commentaries on classics board 41, circular slot 42, kelly 43 and arc wall 44, it is articulated each other between commentaries on classics board 41 and the second connecting plate 37, the inside of commentaries on classics board 41 is close to central point and puts and has seted up circular slot 42, the fixed symmetry fixedly connected with kelly 43 in position that the both ends surface is close to circular slot 42 around crossbeam 34, arc wall 44 has been seted up in the position that the annular surface upper end of kelly 43 is close to circular slot 42, arc wall 44 and the mutual block of kelly 43.

During operation, in the process of mounting and dismounting the axle main body 1, the support rod 36 is fixed due to lack of a fixing device, so that workers are easily blocked, and inconvenience is brought to mounting and dismounting work.

As an embodiment of the present invention, as shown in fig. 6 to 8, two sets of engaging mechanisms 5 are symmetrically and movably connected to the inner portions of the first connecting block 21 and the second connecting block 22 near the front end and the rear end of the hinge block 24;

the clamping mechanism 5 comprises a screw groove 51, a screw rod 52 and a second fixing groove 53, the screw groove 51 is arranged at the position, close to the inner side of the bearing 28, of the inside of the first connecting block 21 and the second connecting block 22, the screw rod 52 is connected to the internal thread of the screw groove 51, one end of the screw rod 52, far away from the hinged block 24, is fixedly connected with a knob, four second fixing grooves 53 are symmetrically arranged at the positions, close to the screw rod 52, of the outer surfaces of the front end and the rear end of the hinged block 24, and the second fixing grooves 53 are in threaded connection with the screw rod 52.

When the axle body 1 is folded, the first axle body 101 and the second axle body 102 are fixed due to lack of a fixing device, so that the first axle body 101 and the second axle body 102 are easy to rotate and expand, the storage space of the axle body 1 is enlarged, and the axle body is inconvenient to carry Mutual fixation between second connecting block 22 prevents to be fixed first pontic 101 and second pontic 102 owing to lack fixing device after folding to axle main body 1 to thereby lead to first pontic 101 and second pontic 102 to take place easily and rotate and open, cause the increase of axle main body 1 parking space, and the inconvenient circumstances of carrying takes place, after installing axle main body 1 simultaneously, accessible block mechanism 5 increases the joint strength between first pontic 101 and the second pontic 102.

As an embodiment of the present invention, as shown in fig. 7 and 8, the outer surfaces of the two sides of the hinge block 24 are designed to be arc-shaped, inclined grooves 54 are formed in the center positions of the outer surfaces of the two sides of the hinge block 24, a latch 55 is movably connected inside the inclined groove 54, the outer surface of the upper end of the latch 55 is attached to the top end of the inner surface of the inclined groove 54 in an inclined structure, one end of one latch 55, which is far away from the inclined groove 54, extends into the first connecting block 21 and is fixedly connected to a third spring 56, and one end of the third spring 56, which is far away from the latch 55, is fixedly connected to the first connecting block 21.

In operation, before the axle body 1 is installed, the first axle body 101 and the second axle body 102 must be rotated to be in the same horizontal line, but no weighing mechanism is provided to measure whether the first axle body 101 and the second axle body 102 reach the horizontal level, thereby bringing difficulty to the installation work, the invention arranges the inclined groove 54 and the fixture block 55, and designs the outer surfaces of the two sides of the hinged block 24 into an arc structure, when the first axle body 101 and the second axle body 102 are rotated upwards, the fixture block 55 is contacted with the arc surface of the hinged block 24 to compress the fixture block 55, when the fixture block 55 enters the inclined groove 54, the fixture block 55 enters the inclined groove 54 under the elastic force of the second spring 39 and is clamped with the inclined groove 54, thereby fixing the first axle body 101, the second axle body 102 and the hinged block 24 in the same horizontal line, and then the knob is rotated to fix the first connecting block 21 and the second connecting block 22, because the outer surface of the upper end of the fixture block 55 is attached to the top end of the inner surface of the chute 54 in an inclined structure, when the axle main body 1 is folded, the first bridge body 101 and the second bridge body 102 are rotated downwards, the fixture block 55 slides relative to the inclined surface of the chute 54, so that the fixture block 55 is separated from the chute 54, and the axle main body 1 can be folded by continuously rotating the first bridge body 101 and the second bridge body 102.

The working principle is as follows: the invention realizes the connection between the first bridge body 101 and the second bridge body 102 by arranging the connecting mechanism 2 and connecting the first connecting block 21 and the second connecting block 22, the first connecting block 21 and the second connecting block 22 are rotationally connected by the hinging block 24, thereby realizing the folding of the axle main body 1 by rotating the first bridge body 101 and the second bridge body 102, when in installation, firstly rotating the first bridge body 101 and the second bridge body 102 to enable the first bridge body 101 and the second bridge body 102 to be positioned at the same horizontal line, then mutually attaching the inner surfaces of the first connecting block 21, the second connecting block 22 and the first mounting plate 251, mutually attaching the second mounting plate 252 and the first mounting plate 251 and mutually fixing the two by screws, then rotating the supporting plate to drive the second connecting plate 37 and the fixing plate 371 to move, mutually attaching the fixing plate 371 and the first fixing groove 381, and mutually connecting the fixing plate 371 and the first fixing groove 381 by screws, therefore, the second connecting plate 37 is connected with the sliding sleeve 38 to complete the installation and fixation of the axle main body 1, in addition, by arranging the buffer mechanism 3, when the vehicle is bumped in the running process, the beam 34 is pressed by force to drive the first spring 33 to compress, and simultaneously, the sliding sleeve 38 is driven to slide towards the hub 11 under the action of the supporting rod 36 to drive the second spring 39 to compress, and when the beam 34 rises, the first spring 33 and the second spring 39 are driven to stretch, so that the buffer effect is realized.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A trailer axle, comprising an axle body (1), characterized in that: the wheel hubs (11) are symmetrically connected to the outer surfaces of the two ends of the axle main body (1) in a threaded manner, the axle main body (1) is formed by connecting a first axle body (101) and a second axle body (102) in an interconnecting manner, and a connecting mechanism (2) is fixedly connected between the first axle body (101) and the second axle body (102);

the connecting mechanism (2) comprises a first connecting block (21), a second connecting block (22), grooves (23), hinged blocks (24), fixing blocks (25), a first flange plate (26), a second flange plate (27) and a bearing (28), one end, away from the second bridge body (102), of the first connecting block (21) is fixedly connected with the first bridge body (101), one end, away from the first bridge body (101), of the second connecting block (22) is fixedly connected with the second bridge body (102), the grooves (23) are formed in the outer surface of one side, away from the first bridge body (101), of the first connecting block (21), the grooves (23) are formed in the outer surface of one side, away from the second bridge body (102), of the second connecting block (22), the two inner surface sides of the two grooves (23) are movably connected with the hinged blocks (24) through the bearing (28), the fixing blocks (25) are sleeved on the outer surfaces of the first connecting block (21) and the second connecting block (22), the utility model discloses a fixed block's (25) of fixed block's both sides surface fixedly connected with first ring flange (26), the position fixedly connected with second ring flange (27) that the surface of first pontic (101) and second pontic (102) is close to first ring flange (26), through a plurality of nut fixed connection between first ring flange (26) and second ring flange (27), the upper end surface central point of fixed block (25) puts fixedly connected with buffer gear (3).

2. A trailer axle as defined in claim 1 wherein: the buffer mechanism (3) comprises a sliding barrel (31), a sliding rod (32), a first spring (33), a cross beam (34), a first connecting plate (35), a supporting rod (36), a second connecting plate (37), a sliding sleeve (38) and a second spring (39), the outer surface of the lower end of the sliding barrel (31) is fixedly connected with a fixed block (25), the sliding barrel (31) is internally and slidably connected with the sliding rod (32), the first spring (33) is sleeved at the position, close to the lower end, of the annular outer surface of the sliding rod (32), the upper end of the first spring (33) is fixedly connected with the sliding rod (32), the lower end of the first spring (33) is fixedly connected with the sliding barrel (31), the outer surface of the upper end of the sliding rod (32) is fixedly connected with the cross beam (34), and the two first connecting plates (35) are symmetrically and fixedly connected at the positions, close to the two sides of the sliding rod (32), of the lower end of the annular outer surface of the cross beam (34), the utility model discloses a two-section automobile axle, including first connecting plate (35), bracing piece (36) are connected through pivot swing joint in both ends around the internal surface of first connecting plate (35), be 45 degrees contained angles setting between bracing piece (36) and axle main part (1), bracing piece (36) keep away from one side of first connecting plate (35) around both ends surface have second connecting plate (37) through pivot swing joint, the lower extreme external surface fixedly connected with sliding sleeve (38) of second connecting plate (37), the annular internal surface and axle main part (1) sliding connection of sliding sleeve (38), two second spring (39) have been cup jointed to the annular surface bilateral symmetry of axle main part (1), the one end and sliding sleeve (38) fixed connection of second spring (39), the other end and axle main part (1) fixed connection of second spring (39).

3. A trailer axle as defined in claim 2 wherein: fixed block (25) are spliced each other through a plurality of screws by first mounting panel (251) and second mounting panel (252) and are constituteed, the lower extreme surface fixed connection of second connecting plate (37) has fixed plate (371), first fixed slot (381) have been seted up to the position that the annular surface upper end of sliding sleeve (38) is close to fixed plate (371), through a plurality of screw fixed connection between fixed plate (371) and first fixed slot (381).

4. A trailer axle as defined in claim 3 wherein: two groups of fixing mechanisms (4) are symmetrically and movably connected to the center positions of the front side and the rear side of the second connecting plate (37) close to the upper end;

fixed establishment (4) are including changeing board (41), circular slot (42), kelly (43) and arc wall (44), it is articulated each other between commentaries on classics board (41) and second connecting plate (37), the inside of changeing board (41) is close to central point and puts circular slot (42) of having seted up, both ends surface is close to fixed symmetry fixedly connected with kelly (43) in position of circular slot (42) around crossbeam (34), arc wall (44) have been seted up in the position that the annular surface upper end of kelly (43) is close to circular slot (42), arc wall (44) and kelly (43) block each other.

5. A trailer axle as defined in claim 1 wherein: two groups of clamping mechanisms (5) are symmetrically and movably connected to the positions, close to the front end and the rear end of the hinge block (24), in the first connecting block (21) and the second connecting block (22);

block mechanism (5) are including thread groove (51), screw rod (52) and second fixed slot (53), the inside that first connecting block (21) and second connecting block (22) were seted up in thread groove (51) is close to the inboard position of bearing (28), the inside threaded connection of thread groove (51) has screw rod (52), the one end fixedly connected with knob of articulated piece (24) is kept away from in screw rod (52), four second fixed slots (53) have been seted up to the position symmetry that the both ends surface is close to screw rod (52) around articulated piece (24), second fixed slot (53) and screw rod (52) threaded connection.

6. A trailer axle as defined in claim 5 wherein: the both sides surface of articulated piece (24) is the arc structural design, chute (54) have been seted up to the both sides surface central point of articulated piece (24), the inside swing joint of chute (54) has fixture block (55), the upper end surface of fixture block (55) is the tilt structure with the internal surface top of chute (54) and laminates each other, one of them fixture block (55) are kept away from the one end of chute (54) and are extended to inside and fixedly connected with third spring (56) of first connecting block (21), the one end and first connecting block (21) fixed connection of fixture block (55) are kept away from in third spring (56).