CN213676287U - Fixing device, front axle suspension device and dumper - Google Patents

Abstract

The utility model discloses a fixing device, front axle linkage and tipper, fixing device are used for front axle linkage, and fixed establishment includes mount pad and riser, and the riser is connected in the bottom of mount pad, is equipped with strengthening rib and mounting hole on the riser, and the one end of strengthening rib is connected with the bottom of mount pad, and the other end of strengthening rib extends along the length direction of riser. The mounting seat, the vertical plate and the frame main body form a stable fixing structure, the vertical plate is further provided with reinforcing ribs, the stability of the fixing mechanism is greatly improved, the strength of the push rod connected with the frame main body is high, the bearing capacity of the fixing mechanism is high, the push rod is reliable, and the fixing mechanism is suitable for complex mine roads.

Description

Fixing device, front axle suspension device and dumper

Technical Field

The utility model relates to a vehicle hangs technical field, especially relates to a fixing device, front axle linkage and tipper.

Background

The mining dump truck has the characteristics of large bearing capacity, short carrying distance and high transportation efficiency. Because the road condition is poor and the overload is serious because the road condition is often operated in mining areas or construction sites. At present, most of front axle suspension of a 6X 4 mining dump truck running in a mine area in China adopts a steel plate spring, is limited by the bearing capacity of the steel plate spring, is generally low in tonnage, is about 50 tons, and is heavy in weight, poor in comfort and high in failure rate.

In the prior art, an oil-gas suspension cylinder and an integral front axle are generally adopted for suspension, a four-connecting-rod type supporting device is adopted for suspension of the integral front axle, and in order to limit the left-right swing of the front axle, an upper left longitudinal push rod or a lower right longitudinal push rod are arranged at a certain angle to form a V-shaped rod. The V-shaped rod not only needs to bear the longitudinal force of the axle, but also bears the transverse force of the axle, and the V-shaped rod is complex in stress and unreliable in structure. The structure can change the included angle between the front axle and the ground in the vertical jumping process of the front axle, so that the caster angle of the kingpin determined by the front axle is changed, and the straight-line running keeping capacity and the front wheel aligning capacity of the wheels are influenced. Because the stress of the vertical push rod arranged in a V shape is larger in the shaking process of the dump truck, the joint of the vertical push rod and the truck body is easy to damage, and the vertical push rod is separated from the truck body.

In the prior art, a disconnected front axle, namely an independent suspension mode, is adopted, the tire positioning parameters are frequently changed in the jumping process of an axle, the tire is easy to be abnormally worn, and the maintenance cost of a rear axle is high. And the independent suspension rod system is more complicated in stress and easy to break when running in a mining area. And the front axle suspension elastic element is also provided with a steel plate spring, and the steel plate spring is formed by overlapping a plurality of springs, so that the steel plate spring assembly has smaller elastic capacity and smaller bearing capacity, and the blade of the heavy-load plate spring is easy to break, and the front axle suspension elastic element is not suitable for the mine dumper with the load of more than hundred tons.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a fixing device, front axle linkage and tipper to solve the easy problem of damaging of the junction of the push rod of tipper and automobile body among the prior art.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a fixing device for front axle linkage, fixed establishment includes mount pad and riser, the riser connect in the bottom of mount pad, be equipped with strengthening rib and mounting hole on the riser, the one end of strengthening rib with the bottom of mount pad is connected, the other end of strengthening rib along the length direction of riser extends.

Furthermore, the number of the vertical plates is two, the two vertical plates are arranged in parallel and at intervals, a reinforcing pipe is arranged between the two vertical plates, one end of the reinforcing pipe is connected with one vertical plate, and the other end of the reinforcing pipe is connected with the other vertical plate.

Furthermore, each vertical plate is correspondingly provided with two reinforcing ribs which are arranged in parallel, and the mounting hole is formed between the two reinforcing ribs.

Furthermore, the mounting hole of the vertical plate is provided with an eyelet reinforcing piece, the eyelet reinforcing piece is provided with a through hole, and the mounting hole is exposed out of the through hole of the eyelet reinforcing piece.

Furthermore, each mounting hole is correspondingly provided with two eyelet reinforcements, and the two eyelet reinforcements are respectively arranged on two sides of the vertical plate.

Further, the mount pad includes first mounting panel, second mounting panel and reinforcing plate, the face of first mounting panel the face of second mounting panel and the face mutually perpendicular of reinforcing plate, the riser with first mounting panel is connected.

The utility model also provides a front axle suspension device, which comprises a frame main body, a front axle assembly, a front axle longitudinal push rod and the fixing device;

the fixing device is fixedly connected with the frame main body through the mounting seat;

one end of the front axle longitudinal push rod is movably connected with the vertical plate through the mounting hole, the other end of the front axle longitudinal push rod is movably connected with the front axle assembly, and the front axle longitudinal push rod is used for limiting the displacement of the front axle assembly in the front-rear direction.

Furthermore, the fixing device is arranged on the left side and the right side of the frame main body, the front axle longitudinal push rods are arranged on the left side and the right side of the frame main body, and the front axle longitudinal push rods positioned on the same side of the frame main body are connected with the same fixing device.

Furthermore, the left side and the right side of the frame main body are respectively provided with two front axle longitudinal push rods, the vertical plate is provided with two mounting holes which are arranged up and down, each front axle longitudinal push rod corresponds to one mounting hole, and the two front axle longitudinal push rods which are positioned at the same side of the frame main body are parallel to each other.

The utility model relates to a dumper, include as above front axle linkage.

The utility model has the advantages that: fixing mechanism includes mount pad and riser, and the riser is connected in the bottom of mount pad, is equipped with strengthening rib and mounting hole on the riser, and the one end of strengthening rib is connected with the bottom of mount pad, and the other end of strengthening rib extends along the length direction of riser. The mounting seat, the vertical plate and the frame main body form a stable fixing structure, the vertical plate is further provided with reinforcing ribs, the stability of the fixing mechanism is greatly improved, the strength of the push rod connected with the frame main body is high, the bearing capacity of the fixing mechanism is high, the push rod is reliable, and the fixing mechanism is suitable for complex mine roads.

Drawings

Fig. 1 is a schematic front view of a suspension device of a front axle of the present invention;

fig. 2 is a schematic bottom perspective view of the suspension device of the front axle of the present invention;

fig. 3 is a schematic bottom perspective view of the suspension device of the front axle of the present invention at another viewing angle;

fig. 4 is a partially enlarged structural view of the fixing device of the present invention;

FIG. 5 is a schematic cross-sectional view of the universal bearing and the pin shaft of the present invention;

FIG. 6 is a schematic structural view of the fixing device and the frame body according to the present invention;

FIG. 7 is a schematic structural view of the fixing device and the frame body at another viewing angle according to the present invention;

fig. 8 is a schematic perspective view of the fixing device of the present invention;

fig. 9 is a schematic perspective view of the fixing device of the present invention at another viewing angle;

fig. 10 is a schematic side view of the fixing device of the present invention.

In the figure: the frame comprises a frame main body 10, a frame gantry beam 11, a front axle assembly 20, a front axle longitudinal push rod 21, a front axle transverse push rod 22, a front axle oil-gas suspension cylinder 23, an oil-gas suspension cylinder mounting seat 30, a fixing device 40, a mounting seat 41, a first mounting plate 411, a second mounting plate 412, a reinforcing plate 413, a vertical plate 42, a reinforcing rib 421, a mounting hole 422, an eyelet reinforcing piece 423, a reinforcing pipe 43, a universal bearing 50, a ball pin 51, a bearing piece 52, a sealing piece 53, a pin shaft 60, a pin shaft locking mechanism 70, a first locking block 71, a second locking block 72 and a locking cover plate 73.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description will be given, in conjunction with the accompanying drawings and preferred embodiments, to the specific embodiments, structures, features and effects of the fixing device, front axle suspension device and dump truck according to the present invention, as follows:

FIG. 1 is a schematic front view of the suspension device of the present invention, FIG. 2 is a schematic bottom perspective view of the suspension device of the present invention, FIG. 3 is a schematic bottom perspective view of the front axle suspension of the present invention at another viewing angle, FIG. 4 is a partially enlarged structural view of the fixing device of the present invention, FIG. 5 is a cross-sectional structural view of the universal bearing and the pin shaft of the present invention, FIG. 6 is a schematic structural view of the fixing device and the frame body of the present invention, FIG. 7 is a schematic structural view of the fixing device and the frame body of the present invention at another viewing angle, fig. 8 is a schematic perspective view of the middle fixing device of the present invention, fig. 9 is a schematic perspective view of the middle fixing device at another viewing angle of the present invention, and fig. 10 is a schematic side view of the middle fixing device of the present invention.

As shown in fig. 1 to 10, the present invention provides a front axle suspension device, which comprises a frame body 10, a front axle assembly 20, a front axle longitudinal push rod 21, a front axle transverse push rod 22 and a front axle oil-gas suspension cylinder 23.

The two ends of the front axle longitudinal push rod 21 are movably connected with the front axle assembly 20 and the frame main body 10 respectively, the two ends of the front axle transverse push rod 22 are movably connected with the front axle assembly 20 and the frame main body 10 respectively, the front axle longitudinal push rod 21 is used for limiting the displacement of the front axle assembly 20 in the first direction, the front axle transverse push rod 22 is used for limiting the displacement of the front axle assembly 20 in the second direction, the first direction is perpendicular to the second direction, the two ends of the front axle oil-gas suspension cylinder 23 are movably connected with the front axle assembly 20 and the frame main body 10 respectively, and the front axle oil-gas suspension cylinder 23 is used for bearing the weight of the frame main body 10. Specifically, front axle longitudinal push rod 21 extends toward the front-rear direction of frame body 10 and serves to restrict displacement of front axle assembly 20 in the front-rear direction, and front axle lateral push rod 22 extends toward the left-right direction of frame body 10 and serves to restrict displacement of front axle assembly 20 in the left-right direction. The forward or backward direction of the dump truck is the front-rear direction, and the longitudinal direction of the front axle assembly 20 is the left-right direction.

The utility model discloses a set up front axle and indulge push rod 21 and front axle horizontal push rod 22 and be used for bearing front axle assembly 20 atress on the equidirectional not respectively, front axle indulges push rod 21 and only bears the vehicle travel in-process because the longitudinal force to the tire (the ascending atress of preceding back side) that road resistance and vehicle braking produced, front axle horizontal push rod 22 only bears the lateral force (controlling ascending atress of side) that the vehicle travel process road produced to the tire and turn and produce, every ascending push rod only bears an ascending effort of side, the atress of each push rod is simple, and the structure is reliable. And bear the weight of whole car through oil gas suspension cylinder, front axle oil gas suspension cylinder 23 will receive the weight dispersion transfer to front axle assembly 20, and the stress point stress is lower relatively, and its bearing capacity is stronger, more reliable, is fit for the complicated road in mine. The integral front axle assembly 20 maintains the tire positioning parameters during tire runout, minimizes tire wear, and is low in maintenance cost.

In this embodiment, as shown in fig. 1, the extending direction of the front axle transverse pushing rod 22 and the extending direction of the front axle assembly 20 are parallel to each other. One end of the front axle transverse push rod 22 is connected with the left side of the frame main body 10, the other end of the front axle transverse push rod 22 is connected with the right side of the front axle assembly 20, and the front axle transverse push rod 22 is inclined downwards towards one side of the front axle assembly 20. Of course, in other embodiments, one end of front axle cross push rod 22 can be connected to the right side of frame body 10, and the other end of front axle cross push rod 22 can be connected to the left side of front axle assembly 20. Alternatively, the front axle push bar 22 may be horizontal without being inclined.

In this embodiment, the bottom of frame main part 10 is equipped with frame longmen roof beam 11, and frame longmen roof beam 11 is equipped with the holding tank with front axle horizontal push rod 22 complex, front axle horizontal push rod 22's one end and frame longmen roof beam 11's left side swing joint. Specifically, two ends of the frame gantry beam 11 are respectively welded below the longitudinal beams on the left and right sides of the frame main body 10, and are located right above the front axle assembly 20. A group of transverse push rod mounting holes are formed in the left lower portion of the frame gantry beam 11, a group of transverse push rod mounting holes are also formed in the right side of the front axle assembly 20, and two ends of a front axle transverse push rod 22 are mounted on the transverse push rod mounting holes through pin shafts 60 respectively. Front axle cross push rod 22 is also rotatable about the axis of pin 60 to allow front axle assembly 20 to bounce up and down relative to frame body 10, and front axle cross push rod 22 is used to limit the displacement of front axle assembly 20 from side-to-side movement.

Further, the front axle suspension device further comprises an oil-gas suspension cylinder mounting seat 30, the oil-gas suspension cylinder mounting seat 30 is fixed with the frame main body 10, and the front axle oil-gas suspension cylinder 23 is connected with the frame main body 10 through the oil-gas suspension cylinder mounting seat 30. The number of the oil-gas suspension cylinder mounting seats 30 and the front axle oil-gas suspension cylinder 23 is two, the two oil-gas suspension cylinder mounting seats 30 are respectively welded below the longitudinal beams on the left side and the right side of the frame main body 10, and of course, the oil-gas suspension cylinder mounting seats 30 can also be riveted with the frame main body 10. Each front axle hydro-pneumatic suspension cylinder 23 corresponds to one hydro-pneumatic suspension cylinder mounting seat 30, the weight of the front part of the dumper is shared by the two hydro-pneumatic suspension cylinders, the stress of each stress point is relatively low, and the structure is more reliable. A set of oil-gas suspension cylinder mounting holes is formed in the oil-gas suspension cylinder mounting seat 30, a set of oil-gas suspension cylinder mounting holes is also formed in the left end and the right end of the front axle assembly 20, and two ends of the front axle oil-gas suspension cylinder 23 are mounted on the oil-gas suspension cylinder mounting holes through pin shafts 60 respectively. The two ends of the front axle hydro-pneumatic suspension cylinder 23 can also rotate around the axis of the pin 60, allowing the front axle assembly 20 to jump up and down relative to the frame main body 10.

The front axle hydro-pneumatic suspension cylinder 23 can rotate in the left-right direction relative to the hydro-pneumatic suspension cylinder mounting base 30 and the front axle assembly 20, and the front axle transverse push rod 22 can rotate in the up-down direction relative to the frame main body 10 and the front axle assembly 20.

Further, the front axle suspension device further comprises two fixing devices 40, the fixing devices 40 are fixed with the frame main body 10, the two fixing devices 40 are respectively located on the left side and the right side of the frame main body 10, and the front axle longitudinal push rods 21 located on the same side of the frame main body 10 are connected to the same fixing device 40.

As shown in fig. 8-10, the fixing mechanism 40 includes a mounting base 41 and an upright plate 42, the upright plate 42 is connected to the bottom of the mounting base 41, the upright plate 42 is provided with a reinforcing rib 421 and a mounting hole 422, one end of the reinforcing rib 421 is connected to the bottom of the mounting base 41, and the other end of the reinforcing rib 421 extends along the length direction of the upright plate 42. The reinforcing rib 421 is welded on the outer side of the vertical plate 42, so that the strength of the vertical plate 42 is enhanced, and the welding strength of the vertical plate 42 and the mounting seat 41 is increased. Wherein, each vertical plate 42 is correspondingly provided with two reinforcing ribs 421, the two reinforcing ribs 421 are arranged in parallel, and the mounting hole 422 is arranged between the two reinforcing ribs 421. The height of the reinforcing rib 421 protruding from the vertical plate 42 gradually decreases from one end of the mounting seat 41 to the end far away from the mounting seat 41, so that the reinforcing rib 421 has an elongated triangular structure to increase the connection strength between the vertical plate 42 and the mounting seat 41.

Further, the number of the vertical plates 42 is two, the two vertical plates 42 are parallel and spaced, a reinforcing tube 43 is arranged between the two vertical plates 42, one end of the reinforcing tube 43 is connected with one vertical plate 42, and the other end of the reinforcing tube 43 is connected with the other vertical plate 42. Specifically, two reinforcing tubes 43 are arranged between the two vertical plates 42, the two reinforcing tubes 43 can be directly welded on the opposite side walls of the two vertical plates 42, through holes corresponding to the reinforcing tubes 43 can also be arranged on the two vertical plates 42, and the reinforcing tubes 43 penetrate through the vertical plates 42 and are welded with the outer side walls of the vertical plates 42. The rigidity of the two vertical plates 42 is enhanced by welding the reinforcing pipe 43 between the two vertical plates 42.

Further, the vertical plate 42 is provided with an eyelet reinforcement 423 at the mounting hole 422, the eyelet reinforcement 423 is provided with a through hole, and the mounting hole 422 is exposed from the through hole of the eyelet reinforcement 423. In this embodiment, each mounting hole 422 is correspondingly provided with two eyelet reinforcements 423, and the two eyelet reinforcements 423 are respectively disposed on two sides of the vertical plate 42. The eyelet reinforcement 423 is a circular ring shaped structure and surrounds the periphery of the mounting hole 422. Of course, in other embodiments, only one eye reinforcement 423 may be correspondingly disposed in each mounting hole 422, and the number of the eye reinforcements 423 may be increased or decreased according to actual situations.

In this embodiment, the mounting base 41 includes a first mounting plate 411, a second mounting plate 412, and a reinforcing plate 413, the plate surfaces of the first mounting plate 411, the second mounting plate 412, and the reinforcing plate 413 are perpendicular to each other, the first mounting plate 411, the second mounting plate 412, and the reinforcing plate 413 are welded to each other, and the vertical plate 42 is connected to the first mounting plate 411. The first mounting plate 411 and the second mounting plate 412 are welded or riveted with the lower longitudinal beam wing surface and the outer flank surface of the frame body 10, respectively. The plate surfaces of the two vertical plates 42 are perpendicular to the plate surface of the first mounting plate 411, one of the side walls of the first mounting plate 411 is provided with the two vertical plates 42, the other side wall of the first mounting plate 411 is provided with the second mounting plate 412 and the reinforcing plate 413, specifically, the lower side wall of the first mounting plate 411 is provided with the two vertical plates 42, and the upper side wall of the first mounting plate 411 is provided with the second mounting plate 412 and the reinforcing plate 413. The number of the reinforcing plates 413 is three and parallel to each other, the number of the reinforcing plates 413 can be increased or decreased according to actual conditions, and the shape of the reinforcing plates 413 is triangular. Three reinforcing plates 413 are welded between the first mounting plate 411 and the second mounting plate 412, so that the welding strength between the first mounting plate 411 and the second mounting plate 412 is enhanced.

In this embodiment, the two fixing devices 40, the two hydro-pneumatic suspension cylinder mounts 30, and the two front axle hydro-pneumatic suspension cylinders 23 are all bilaterally symmetric about the midpoint line of the front axle assembly 20.

Furthermore, two front axle longitudinal push rods 21 are respectively arranged on the left side and the right side of the frame main body 10, two mounting holes 422 arranged up and down are arranged on the vertical plate 42, each front axle longitudinal push rod 21 corresponds to one mounting hole 422, and the two front axle longitudinal push rods 21 on the same side of the frame main body 10 are parallel to each other. Specifically, the number of the front axle longitudinal push rods 21 is four, and two front axle longitudinal push rods 21 are respectively arranged on two sides of the frame body 10. Each fixing device 40 is provided with two sets of mounting holes 422, the left end and the right end of the front axle assembly 20 are respectively provided with two sets of longitudinal push rod mounting holes, and two ends of the front axle longitudinal push rod 21 are respectively mounted in the upper mounting holes 422 and the longitudinal push rod mounting holes by pin shafts 60. The two ends of the front axle longitudinal push rod 21 can also rotate around the axis of the pin 60, that is, the front axle longitudinal push rod 21 can rotate in the up-down direction relative to the fixing device 40 and the front axle assembly 20, so as to allow the front axle assembly 20 to jump up and down relative to the frame main body 10. The two mounting holes 422 corresponding to the two vertical plates 42 are a set of mounting holes 422, and the two vertical plates 42 are respectively provided with two mounting holes 422.

Two sets of mounting holes 422 are arranged on the fixing device 40, and each front axle longitudinal push rod 21 is connected to one set of mounting holes 422 through a pin shaft 60, so that movable connection is realized. The two front axle longitudinal push rods 21 positioned on the same side of the frame main body 10 are arranged in parallel, so that the front axle assembly 20 can keep the caster angle of the main pin relative to the frame main body 10 unchanged in the process of jumping up and down relative to the frame main body 10, and the straight-line driving capability and the front wheel aligning capability of the wheels are greatly facilitated. The two longitudinal axle push rods 21 on the same side cannot be parallel to each other, which may cause the angle between the front axle assembly 20 and the ground to change during the up-and-down jumping process of the front axle assembly 20, thereby causing the caster angle of the kingpin determined by the front axle assembly 20 to change, which is unfavorable for the straight-line running maintaining capability and the front wheel aligning capability of the wheels.

Further, when the dump truck is in an idle state, the front axle longitudinal push rod 21 and the front axle transverse push rod 22 incline downwards towards one side of the front axle assembly 20, and the front axle transverse push rod 22 inclines downwards towards one side of the front axle assembly 20; when the dump truck is in a full-load state, the front axle longitudinal push rod 21 and the front axle transverse push rod 22 are in a horizontal state, and the front axle transverse push rod 22 is accommodated in the accommodating groove of the frame gantry beam 11. That is, when the dump truck is in a full-load state, the heights of the mounting holes 422 on the fixing device 40 and the horizontal push rod mounting holes on the frame gantry 11 should be as equal as possible to the heights of the corresponding push rod mounting holes on the front axle assembly 20. Therefore, the driving comfort of the whole vehicle can be improved. The reduction of the yaw amount of the frame body 10 with respect to the ground also reduces the swing angle of the suspension knuckle bearing, thereby improving the life of the entire suspension system, particularly the life of the knuckle bearing of the suspension system.

In this embodiment, the universal bearings 50 are disposed at the movable joints at the two ends of the front axle longitudinal push rod 21, the front axle transverse push rod 22 and the front axle oil-gas suspension cylinder 23. Therefore, the front axle longitudinal push rod 21 has a certain swing amount in the left-right direction, and the front axle transverse push rod 22 and the front axle oil gas suspension cylinder 23 have a certain swing amount in the front-rear direction. When the frame main body 10 rocks up and down, the front axle longitudinal push rod 21 rotates up and down in an arc shape, the front axle assembly 20 has a certain displacement in the front-rear direction, the front axle transverse push rod 22 also rotates up and down in an arc shape, the front axle assembly 20 also has a certain displacement in the left-right direction, and if the universal bearing 50 is not arranged at the movable connection position, the abrasion of the pin shaft 60 is accelerated.

As shown in fig. 4, taking the universal bearing 50 at one of the movable joints of the fixing device 40 as an example, the universal bearing 50 includes a ball pin 51, a bearing member 52 and sealing members 53 located at two sides of the bearing member 52, wherein the ball pin 51 is sleeved on the pin 60, the bearing member 52 is sleeved on the ball pin 51, the ball pin 51 and the bearing member 52 are in contact with each other in a spherical structure, so that the universal bearing 50 can rotate around the pin 60, and the bearing member 52 can deflect relative to the ball pin 51 in the length direction of the pin 60.

Further, as shown in fig. 4, the front axle suspension device further includes a pin locking mechanism 70, and the pin locking mechanism 70 is used for limiting the rotation of the pin 60 relative to the mounting hole and preventing the pin 60 from moving along the length direction of the pin 60. The pin locking mechanism 70 includes a first locking block 71, a second locking block 72, and a locking cover 73. In this embodiment, taking the fixing device 40 as an example, the first locking block 71 is fixed at one end of the pin 60, a protrusion is disposed on the first locking block 71, the second locking block 72 is fixed at one side of the fixing device 40, a groove matched with the protrusion of the first locking block 71 is disposed on the second locking block 72, the protrusion is embedded in the groove, and then the locking cover 73 is connected with the second locking block 72 and covers the groove to prevent the first locking block 71 from sliding out of the groove. The first locking block 71 is welded with the pin shaft 60, the second locking block 72 is welded with the vertical plate 42 of the fixing device 40, and the locking cover plate 73 is connected with the second locking block 72 through screws. Of course, in other embodiments, a groove may be provided on the first locking block 71, a protrusion matching with the groove may be provided on the second locking block 72, and the locking cover 73 is connected with the first locking block 71 and covers the groove. Similarly, the other end of the front axle longitudinal push rod 21, the two ends of the front axle transverse push rod 22 and the two ends of the front axle oil gas suspension cylinder 23 are also provided with a pin shaft locking mechanism 70 at the pin shaft 60, which is not described again here.

The utility model discloses still provide a tipper, include as above front axle linkage.

In this document, the terms of upper, lower, left, right, front, rear and the like are used to define the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims. It is also to be understood that the terms "first" and "second," etc., are used herein for descriptive purposes only and are not to be construed as limiting in number or order.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some changes or modifications within the technical scope of the present invention without departing from the technical scope of the present invention, and the technical contents of the above disclosure can be utilized to make equivalent embodiments, but the technical contents of the present invention are not broken away from, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The fixing device is used for a front axle suspension device and is characterized in that the fixing device (40) comprises a mounting seat (41) and a vertical plate (42), the vertical plate (42) is connected to the bottom of the mounting seat (41), a reinforcing rib (421) and a mounting hole (422) are arranged on the vertical plate (42), one end of the reinforcing rib (421) is connected with the bottom of the mounting seat (41), and the other end of the reinforcing rib (421) extends along the length direction of the vertical plate (42).

2. The fixing device according to claim 1, wherein the number of the vertical plates (42) is two, the two vertical plates (42) are arranged in parallel and spaced, a reinforcing pipe (43) is arranged between the two vertical plates (42), one end of the reinforcing pipe (43) is connected with one vertical plate (42), and the other end of the reinforcing pipe (43) is connected with the other vertical plate (42).

3. The fixing device according to claim 1, wherein two reinforcing ribs (421) are correspondingly arranged on each vertical plate (42), the two reinforcing ribs (421) are arranged in parallel, and the mounting hole (422) is arranged between the two reinforcing ribs (421).

4. The fixing device according to claim 1, wherein the standing plate (42) is provided with an eyelet reinforcement (423) at the mounting hole (422), the eyelet reinforcement (423) is provided with a through hole, and the mounting hole (422) is exposed from the through hole of the eyelet reinforcement (423).

5. A fixing device according to claim 4, characterized in that each mounting hole (422) is provided with two corresponding eyelet reinforcements (423), and the two eyelet reinforcements (423) are respectively arranged on two sides of the vertical plate (42).

6. The fixing device according to claim 1, wherein the mounting seat (41) comprises a first mounting plate (411), a second mounting plate (412) and a reinforcing plate (413), the plate surface of the first mounting plate (411), the plate surface of the second mounting plate (412) and the plate surface of the reinforcing plate (413) are perpendicular to each other, and the vertical plate (42) is connected with the first mounting plate (411).

7. A front axle suspension arrangement, characterized by a frame body (10), a front axle assembly (20), a front axle longitudinal push rod (21) and a fixing device (40) according to any one of claims 1-6;

the fixing device (40) is fixedly connected with the frame main body (10) through the mounting seat (41);

one end of the front axle longitudinal push rod (21) is movably connected with the vertical plate (42) through the mounting hole (422), the other end of the front axle longitudinal push rod (21) is movably connected with the front axle assembly (20), and the front axle longitudinal push rod (21) is used for limiting the displacement of the front axle assembly (20) in the front-rear direction.

8. The front axle suspension device according to claim 7, wherein the fixing device (40) is disposed on both left and right sides of the frame body (10), the front axle longitudinal push rod (21) is disposed on both left and right sides of the frame body (10), and the front axle longitudinal push rod (21) located on the same side of the frame body (10) is connected to the same fixing device (40).

9. The front axle suspension device according to claim 7, wherein two front axle longitudinal push rods (21) are respectively arranged on the left side and the right side of the frame body (10), two mounting holes (422) are arranged on the vertical plate (42) in an up-down manner, each front axle longitudinal push rod (21) corresponds to one mounting hole (422), and the two front axle longitudinal push rods (21) on the same side of the frame body (10) are parallel to each other.

10. A dump truck characterized by comprising the front axle suspension device according to any one of claims 7 to 9.

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