CN217649346U - Carriage of tipper and tipper - Google Patents

Abstract

The utility model discloses a carriage of a dump truck, which comprises a bottom plate, side plates arranged at the two sides of the bottom plate, and a front plate and a rear plate which are positioned at the two ends of the bottom plate, wherein the bottom plate comprises a front cross beam and a tail cross beam, and a main longitudinal beam and an auxiliary longitudinal beam are connected between the front cross beam and the tail cross beam; a plurality of bottom plate transverse ribs are welded between the main longitudinal beam and the auxiliary longitudinal beam and are arranged at intervals along the length direction of the bottom plate; a transverse rib outrigger is connected between the auxiliary longitudinal beam positioned at the outermost side and the side plate; the heights of the transverse ribs of the bottom plate, the transverse rib outriggers and the auxiliary longitudinal beams are consistent and are smaller than the heights of the main longitudinal beams, and the widths of the two main longitudinal beams are matched with the width of the auxiliary frame; the bottom plate also comprises a turnover seat cross beam arranged along the width direction, and a turnover seat side plate with a turnover hole is welded on the turnover seat cross beam; the auxiliary longitudinal beam comprises an auxiliary longitudinal beam rear section connected between the tail cross beam and the turnover seat cross beam and an auxiliary longitudinal beam front end connected between the front cross beam and the turnover seat cross beam. The utility model has the advantages of strong bearing capacity, high stability and the like.

Description

Carriage and tipper of tipper

Technical Field

The utility model relates to a tipper technical field, especially relate to a carriage and tipper of tipper.

Background

The dumper plays an indispensable role in the fields of city infrastructure and engineering mining, a carriage is used as one of important parts of the dumper and is used for loading and dumping various engineering materials, and the carriage of the dumper is usually hinged to a subframe and connected to a frame through a lifting oil cylinder. The operational environment of tipper has proposed higher requirement to the carriage performance, consequently, the carriage of tipper needs certain intensity to bear the weight of material, especially the tipper is when passing through uneven road surface, and the carriage receives the impact of material easily, promotes along with the demand that the market was drawn more to the facial make-up, and the facial make-up that leads to the tipper is done more greatly more, and the demand wheel base is longer and longer, causes the loading capacity increase, and how to improve the intensity in tipper carriage becomes the problem that need consider all the time in tipper design and the manufacturing process.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide the intensity that can promote carriage carrying material for bearing capacity is strong, is favorable to reducing carriage and the tipper of damage risk.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a carriage of a dump truck comprises a bottom plate, side plates arranged on two sides of the bottom plate, and a front plate and a rear plate which are positioned at two ends of the bottom plate, and is characterized in that the bottom plate comprises a front cross beam and a rear cross beam which are arranged along the width direction, a main longitudinal beam and an auxiliary longitudinal beam which are arranged along the length direction are connected between the front cross beam and the rear cross beam, the auxiliary longitudinal beams are arranged at intervals along the width direction of the bottom plate, and one main longitudinal beam is arranged between every two adjacent auxiliary longitudinal beams; a plurality of bottom plate transverse ribs arranged along the width direction of the bottom plate are welded between the main longitudinal beam and the auxiliary longitudinal beam, and are arranged at intervals along the length direction of the bottom plate; a transverse rib outrigger arranged along the width direction of the bottom plate is connected between the auxiliary longitudinal beam positioned at the outermost side and the side plate; the heights of the transverse ribs of the bottom plate, the transverse rib outriggers and the auxiliary longitudinal beams are consistent and are smaller than the height of the main longitudinal beam, and the widths of the two main longitudinal beams are matched with the width of the auxiliary frame; the bottom plate further comprises a turnover seat cross beam arranged along the width direction, the turnover seat cross beam is welded between the two main longitudinal beams and the side plates, turnover seat side plates with turnover holes are welded on the turnover seat cross beam, the turnover seat side plates are arranged along the length direction of the turnover seat cross beam, and the turnover holes of the turnover seat side plates are coaxially arranged; the turnover seat beam is located at a position, close to the tail end, of the bottom plate, and the auxiliary longitudinal beam comprises an auxiliary longitudinal beam rear section and an auxiliary longitudinal beam front end, wherein the auxiliary longitudinal beam rear section is connected between the tail beam and the turnover seat beam, and the auxiliary longitudinal beam front end is connected between the front beam and the turnover seat beam.

In the material transportation process, the weight of material is mainly born by the bottom plate, and in the above-mentioned structure, two main longitudinal griders and 3 vice longerons set up in proper order at interval, provide sufficient intensity and rigidity support for the bottom plate in length direction to, weld the horizontal muscle of bottom plate between main longitudinal grider and vice longeron, and weld horizontal muscle outrigger between vice longeron and sideboard and can increase the intensity and the rigidity on the bottom plate width direction. The bottom plate is provided with a turnover seat cross beam at a position close to the tail end, and the turnover seat cross beam is welded between the two main longitudinal beams and between the main longitudinal beams and the side plates, so that the length of the main longitudinal beams is consistent with that of the bottom plate, and the bottom plate is guaranteed to have enough overall strength in the turnover process. The auxiliary longitudinal beam is divided into the rear section of the auxiliary longitudinal beam and the front end of the auxiliary longitudinal beam which are welded on the two sides of the turnover seat cross beam, so that the length of the turnover seat cross beam can be ensured as much as possible within the limited width range of the bottom plate, and the strength of the turnover seat cross beam is improved.

Further, the both ends of sideboard are provided with front column and rear column respectively, be connected with entablature and the bottom end rail that sets up along length direction between front column and the rear column, be connected with the sideboard between entablature and the bottom end rail and erect the muscle, the sideboard erects the muscle and is provided with a plurality ofly along length direction, the sideboard erects the muscle and erects the welding between muscle, front column or the rear column with adjacent sideboard and has the horizontal muscle of sideboard.

By adopting the structure, the upper cross beam and the lower cross beam are positioned at the upper end and the lower end of the side plate, enough strength and rigid support are provided for the side plate in the length direction, a plurality of side plate vertical ribs are welded between the upper cross beam and the lower cross beam at intervals, and side plate transverse ribs are also welded between the side plate front upright post and the side plate rear upright post, so that the strength and the rigidity of the side plate in the width direction and the length direction are increased.

Furthermore, the front end of one of the front columns is provided with a ladder stand which is arranged in parallel with the side plate, the ladder stand comprises a vertically arranged support rod, two ends of the support rod bend towards the front columns and are connected to the front columns, and a plurality of transverse ladder rods are connected between the support rod and the front columns.

Furthermore, a hinged support is arranged at the top of the rear upright post, hinged plates are welded at the upper ends of two sides of the rear plate, the upper ends of the hinged plates extend towards the direction of the side plate to form a hinged part, and the hinged plates are rotatably arranged on the hinged support; the two sides of the rear plate are also provided with lock hook clamping shafts which are arranged in a protruding mode, and the side plate is rotatably provided with manual lock hooks which can be hooked with the lock hook clamping shafts.

Like this, hinged-support fixed mounting is at the up end of back stand, and the back plate is then fixed between the articulated slab of both sides for the back plate can be round hinged-support upset, and the back plate is opened, makes can lift the goods in the carriage off. Meanwhile, the manual lock hook is convenient for preventing the rear plate from being opened, so that the rear plate is closed more stably, and the rear plate is prevented from being opened by materials.

Furthermore, a pull rod is arranged between the two side plates in a connecting mode along the width direction, and two ends of the pull rod are fixed to the inner walls of the side plates.

Like this, because the material probably produces the lateral extrusion to the carriage, connect the pull rod between the sideboard, be favorable to improving the rigidity and the lateral stability in carriage, avoid the great carriage of length to receive the transverse pressure of goods when loading the material, lead to the carriage sideboard to take place local deformation to be favorable to prolonging the life in carriage, the carriage that stabilizes simultaneously reduces the potential safety hazard.

Furthermore, the front plate is welded between the two front uprights, the front plate comprises two vertically-arranged front plate vertical ribs, and the front plate vertical ribs and the front uprights are connected with front plate transverse ribs.

Adopt above-mentioned structure, erect the muscle and the horizontal muscle of front bezel increases the rigidity of the intensity of front bezel through the vertical and horizontal welding front bezel at the front bezel.

Furthermore, a baffle plate is arranged at the top of the front plate, and the baffle plate extends out of the front plate in the direction departing from the carriage.

Like this, set up the baffle on the front bezel in carriage, can shelter from the structure that is located the carriage front end through the baffle to avoid the material to fall and cause the loss to it, the baffle has played certain guard action.

Furthermore, the back plate includes two vertical back plate stands that set up, two back plate entablature and back plate bottom end rail have been welded respectively to the upper end and the lower extreme of back plate stand, it has a plurality of back plates to erect the muscle to weld between back plate entablature and the back plate bottom end rail, the back plate erects the muscle and adjacent the back plate erects the muscle or the welding has horizontal muscle in the back plate between the back plate stand.

In the structure, the rear plate can be turned over and opened, so that when the rear half is closed, the rear plate needs enough strength and rigidity, the vertical ribs of the rear plate stand column and the rear plate increase the strength and the rigidity of the rear plate in the vertical direction, the rear plate is also transversely welded with the middle transverse ribs of the rear plate, and the upper transverse ribs and the lower transverse ribs of the rear plate are arranged at the upper end and the lower end of the rear plate, so that the transverse strength and the rigidity of the rear plate are increased.

Furthermore, the bottom plate is provided with a rear plate lock hook, the middle part of the rear plate lock hook is rotatably installed on the tail cross beam through a hinged support, one end of the rear plate lock hook is rotatably connected with a telescopic mechanism, the lower cross beam of the rear plate is provided with a beating plate corresponding to the rear plate lock hook, and the other end of the rear plate lock hook is rotatably buckled on the beating plate.

When the dump truck carries goods, the goods may frequently impact the rear door of the carriage to cause the rear door to deform seriously. The back plate locking mechanism is arranged at the bottom of the back half, and the buckle is buckled on the beating plate on the lower beam of the back plate, so that the back plate is locked, and the purpose of carrying materials is realized.

A dump truck is characterized by comprising the carriage of the dump truck.

To sum up, the utility model discloses a tipper carriage and tipper all have intensity height, and bearing capacity is strong, can satisfy user's requirement, improves advantages such as carriage life-span.

Drawings

Fig. 1 is a schematic structural view of a vehicle compartment.

Fig. 2 is a schematic view of the structure of the floor of the vehicle compartment.

Fig. 3 is a plan view of the vehicle compartment.

Fig. 4 is a schematic structural view of a front plate of a vehicle compartment.

Fig. 5 is a schematic structural view of a rear panel of the vehicle compartment.

Fig. 6 is a partial schematic view of the vehicle cabin.

Fig. 7 is a schematic view of the assembly of the car and the subframe.

Fig. 8 is a schematic perspective view of the subframe.

Fig. 9 is a partially enlarged structural schematic view of the subframe longitudinal beam.

FIG. 10 is a front view of a subframe rail.

Detailed Description

The following is a detailed description of a dump truck using the carriage of the present invention.

In the specific implementation: as shown in fig. 1 to 7, a dump truck comprises a carriage and an auxiliary frame vehicle, wherein the carriage comprises a bottom plate 1, side plates 2 arranged at two sides of the bottom plate 1, and a front plate 3 and a rear plate 4 positioned at two ends of the bottom plate 1, the bottom plate 1 comprises a front cross beam 11 and a rear cross beam 12 arranged along the width direction, a main longitudinal beam 13 and an auxiliary longitudinal beam 14 arranged along the length direction are connected between the front cross beam 11 and the rear cross beam 12, the auxiliary longitudinal beams 14 are arranged at intervals along the width direction of the bottom plate 1, and one main longitudinal beam 13 is arranged between two adjacent auxiliary longitudinal beams 14; a plurality of bottom plate transverse ribs 15 arranged along the width direction of the bottom plate are welded between the main longitudinal beam 13 and the auxiliary longitudinal beam 14, and the bottom plate transverse ribs 15 are arranged at intervals along the length direction of the bottom plate 1; a transverse rib outrigger 16 arranged along the width direction of the bottom plate is connected between the auxiliary longitudinal beam 14 positioned at the outermost side and the side plate 2; the heights of the transverse ribs 15 of the bottom plate, the transverse rib outriggers 16 and the auxiliary longitudinal beams 14 are consistent and are smaller than the heights of the main longitudinal beams 13, and the widths of the two main longitudinal beams 13 are matched with the width of the auxiliary frame; the bottom plate 1 further comprises a turnover seat cross beam 17 arranged along the width direction, the turnover seat cross beam 17 is welded between the two main longitudinal beams 13 and the side plates 2, a turnover seat side plate 171 with a turnover hole is welded on the turnover seat cross beam 17, a plurality of turnover seat side plates 171 are arranged along the length direction of the turnover seat cross beam 17, and the turnover holes of the turnover seat side plates 171 are coaxially arranged; the turnover seat cross beam 17 is located at a position, close to the tail end, of the bottom plate 1, and the auxiliary longitudinal beam 14 comprises an auxiliary longitudinal beam rear section and an auxiliary longitudinal beam front end, wherein the auxiliary longitudinal beam rear section is connected between the tail cross beam 12 and the turnover seat cross beam 17, and the auxiliary longitudinal beam front end is connected between the front cross beam 11 and the turnover seat cross beam 17. For the intensity and the rigidity of strengthening the carriage, be provided with front column 21 and rear column 22 respectively at the both ends of sideboard 2, be connected with entablature 23 and the bottom end rail 24 that sets up along length direction between front column 21 and the rear column 22, be connected with sideboard perpendicular muscle 25 between entablature 23 and the bottom end rail 24, sideboard perpendicular muscle 25 is provided with a plurality ofly along length direction, the welding has sideboard horizontal muscle 26 between sideboard perpendicular muscle 25 and adjacent sideboard perpendicular muscle 25, front column 21 or rear column 22.

As shown in fig. 8 to 10, the subframe includes two longitudinal beams 5 arranged in parallel and facing each other and a plurality of cross beams 6 connected between the two longitudinal beams 5, one end of each of the two longitudinal beams 5 is erected with a cylinder cross beam assembly 52 for mounting a roll-over cylinder, and the other end is transversely provided with a roll-over seat assembly 51 for connecting a carriage; an X-beam assembly 53 is connected between the overturning seat component 51 and the adjacent cross beam 6; the longitudinal beam is characterized in that the longitudinal beam 5 comprises a first longitudinal beam plate 5a and a second longitudinal beam plate 5b which are bent integrally in an L shape, the width and the height of the second longitudinal beam plate 5b are respectively and correspondingly smaller than those of the first longitudinal beam plate 5a, and the second longitudinal beam plate 5b is welded on the first longitudinal beam plate 5a in a relatively buckled manner; the vertical plate of the first longitudinal beam plate 5a is higher than the second longitudinal beam plate 5b, and the top of the vertical plate is bent towards the direction departing from the second longitudinal beam plate 5 b; the two first longitudinal beam plates 5a are positioned at the outer sides of the two second longitudinal beam plates 5b, and the distance between the vertical plates of the two first longitudinal beam plates 5a is matched with the distance between the outer sides of the two main longitudinal beams on the carriage to be assembled.

Install upset hydro-cylinder (not shown in the figure) on the hydro-cylinder crossbeam assembly of sub vehicle frame, be connected with the upset hydro-cylinder through coupling mechanism (not shown in the figure) in the front portion of carriage to as shown in fig. 7 and fig. 8, the upset seat sideboard on the carriage upset seat crossbeam links to each other with the upset seat on the sub vehicle frame is articulated, makes under the drive of upset hydro-cylinder, the carriage when the upset round the hinge shaft, the front end lifting of carriage, the carriage slope gradually, realizes the purpose of unloading the material.

As shown in fig. 1 and 3, a ladder 29 flush with the side plate is provided at the front end of one of the front uprights 21, the ladder 29 includes a vertically-arranged support rod 292, two ends of the support rod 292 are bent toward the front upright 21 and connected to the front upright 21, and a plurality of transverse ladder bars 291 are connected between the support rod 292 and the front upright 21. Wherein, cat ladder perpendicular to front bezel, the staff can get into in the carriage with the help of the cat ladder. A pull rod 27 connected and arranged along the width direction is arranged between the two side plates 2, and two ends of the pull rod 27 are fixed on the inner walls of the side plates 2. When concrete implementation, the both ends welding of pull rod has the connecting plate, can be through connecting the connecting plate between the sideboard in carriage with screw or welded mode, the pull rod sets up in the upper end of sideboard, and be provided with two, one of them is located the middle part in carriage, another is located the one end near the back plate, because the top in carriage is not open, and the back plate is for rotationally articulating on the sideboard, consequently, when being equipped with a large amount of materials, the pull rod can provide certain intensity for the carriage, prevent that the carriage sideboard from warping to the outside.

As shown in fig. 6, in practice, a hinge support 281 is arranged at the top of the rear upright post 21, hinge plates 282 are welded on the upper ends of the two sides of the rear plate 4, and the upper ends of the hinge plates 282 extend towards the side plate 2 to form hinge parts and are rotatably mounted on the hinge support 281; two sides of the back plate 4 are further provided with a protrudingly arranged locking hook clamping shaft 41, and the side plate 2 is rotatably provided with a manual locking hook 411 which can be hooked with the locking hook clamping shaft 41. The rear plate locking mechanism is characterized in that a rear plate locking hook 18 is arranged on the bottom plate 4, the middle of the rear plate locking hook 18 is rotatably installed on the tail cross beam 12 through a hinged support 181, one end of the rear plate locking hook 18 is rotatably connected with a telescopic mechanism 182, a beating plate 42 corresponding to the rear plate locking hook 18 is arranged on the rear plate lower cross beam 45, and the other end of the rear plate locking hook 18 is rotatably buckled on the beating plate 42.

As shown in fig. 1 and 4, the front plate 3 is welded between two front pillars 21, the front plate 3 includes two front plate vertical ribs 32 vertically arranged, and front plate horizontal ribs 33 are connected between the two front plate vertical ribs 32 and between the front plate vertical ribs 32 and the front pillars 21. In practical implementation, the height of the front upright post of the carriage is consistent with that of the front plate. For avoiding the material to fall and cause the loss to the carriage front end, need protect the front end in carriage, the top of front bezel 3 is provided with baffle 31, baffle 31 stretches out towards the direction that deviates from the carriage front bezel 3.

As shown in fig. 5, in implementation, the rear plate 4 includes two rear plate pillars 43 vertically arranged, a rear plate upper cross beam 44 and a rear plate lower cross beam 45 are respectively welded to the upper ends and the lower ends of the two rear plate pillars 43, a plurality of rear plate vertical ribs 46 are welded between the rear plate upper cross beam 44 and the rear plate lower cross beam 45, and a rear plate middle cross rib 47 is welded between the rear plate vertical rib 46 and the adjacent rear plate vertical rib 46 or the rear plate pillar 43.

In this embodiment, as shown in fig. 8 and 10, a plurality of first reinforcing plates 58 are vertically arranged between the first longitudinal beam plate 5a and the second longitudinal beam plate 5b, the first reinforcing plates 58 are arranged at intervals along the length direction of the first longitudinal beam plate 5a and the second longitudinal beam plate 5b, and two adjacent first reinforcing plates 58 are welded to the first longitudinal beam plate 5a and the second longitudinal beam plate 5b, respectively.

The overturning seat assembly 51 comprises a U-shaped mounting plate and a channel steel buckled in the mounting plate downwards, one side of the mounting plate extends upwards to form a mounting vertical plate, and the top of the mounting vertical plate is bent towards the side away from the channel steel and is fixedly connected with the two longitudinal beams 5; reinforcing ribs arranged along the length direction of the channel steel are arranged between the channel steel and the mounting plate, and a plurality of reinforcing ribs are arranged in the width direction of the channel steel; sealing plates are arranged at two ends of the channel steel and the mounting plate in the length direction; the channel steel is further fixedly provided with a turning seat 511, the turning seat 511 comprises two side plates which are parallel to each other and vertically welded on the channel steel, the two side plates are provided with abdicating holes, shaft tubes are installed on the abdicating holes, one side of each side plate is further welded on the installation vertical plate, and a connecting plate is further arranged between the two side plates; the turning seats 511 are uniformly distributed in the length direction of the channel steel, and the axle tubes of the turning seats 511 are coaxially arranged.

The welding has the second reinforcing plate 54 that the slope set up between longeron 5 with the mounting panel, the upper and lower both sides of second reinforcing plate 54 with set up the shrouding between longeron 5 and the mounting panel, second reinforcing plate 54 symmetry sets up the both sides of longeron 5 width direction.

The X-beam assembly 53 includes a main beam and a sub-beam arranged along a diagonal between the mounting plate and the cross beam 6, the sub-beam being connected between the main beam and the cross beam 6 and between the main beam and the mounting plate, respectively; the upper side and the lower side of the intersection joint of the main beam and the auxiliary beam are welded with connecting plates 531, and third reinforcing plates are further mounted at the end parts of the main beam and the auxiliary beam.

The oil cylinder cross beam assembly 52 comprises a front cross beam and a rear cross beam which are fixedly arranged on the two longitudinal beams 5, and a connecting plate is connected between the two ends of the front cross beam and the two ends of the rear cross beam.

When the device is implemented, the carriage is jacked upwards by the oil cylinder on the oil cylinder cross beam assembly and is unloaded, and the carriage turns around the turning seat; at the moment, the gravity of the carriage and the goods in the carriage is concentrated on the overturning seat component and the longitudinal beam on one side of the longitudinal beam of the auxiliary frame, so that a plurality of cross beams are connected between the longitudinal beams to increase the stability of the auxiliary frame, and because the force borne by the overturning component part is larger during unloading, a plurality of overturning seats are arranged on the channel steel to distribute the stress so as to prevent the overturning seat component from being damaged due to the overlarge stress, and an X-shaped beam assembly is connected between the cross beams and the overturning seat component so as to increase the strength and the rigidity of the part; meanwhile, the first longitudinal beam plate and the second longitudinal beam plate which are in the L shape are mutually buckled and welded together, so that on one hand, the whole weight of the longitudinal beam is reduced under the condition of meeting the requirement of the rigidity of the longitudinal beam. And the first reinforcing plate arranged between the first longitudinal beam plate and the second longitudinal beam plate further reinforces the rigidity of the auxiliary frame longitudinal beam. The second reinforcing plate between longeron and the mounting panel has increased the stability of whole sub vehicle frame longeron, prevents sub vehicle frame longeron horizontal hunting.

And when the tipper carriage carries cargo and advances, two carriage main longitudinal beams just place between two first longeron board risers, can prevent that the tipper from rocking about advancing the in-process carriage, contrast current lug weld prevent the baffle that the carriage rocked on the longeron, the length of the fender portion that this structure formed is unanimous with the longeron, and the rigidity of first longeron riser is increased in the bending of first longeron board top moreover, and the effect of rocking about the protection carriage is better like this.

In this embodiment, as shown in fig. 8, a maintenance stay rod assembly 55 for supporting a carriage is further hinged between the two longitudinal beams 5, and the maintenance stay rod assembly 55 is located on a side away from the X-beam assembly 53; the maintenance support rod assembly 55 comprises a support plate 551 connected between the two longitudinal beams 5, two ends of the support plate 551 are fixedly provided with a support, the support is provided with a mounting hole, the mounting hole is rotatably connected with a support rod through a bolt, and a plurality of cross rods are connected between the two support rods; a support rod for placing a support rod is further connected between the two longitudinal beams 5, the support rod and the support plate 551 are on the same horizontal plane, and the distance between the support rod and the support plate 551 is smaller than the length of the support rod.

When the inspection and maintenance of the auxiliary frame or the body part are needed, the oil cylinder is used for jacking the carriage for inspection or maintenance; in order to prevent the carriage from suddenly falling in the inspection process, a maintenance support rod assembly is arranged on one side of the frame X-beam assembly, and the support rod is erected to support the carriage so as to ensure the safety of inspection and maintenance personnel in the inspection or maintenance process; during concrete implementation, the maintenance vaulting pole assembly can set up the optional position that deviates from the upset seat on the longeron, and the one side of will maintaining the vaulting pole assembly design in this embodiment at sub vehicle frame X roof beam assembly is because X roof beam assembly can share bigger power, can satisfy the needs that support the carriage, and on the other hand can save material.

In this embodiment, as shown in fig. 8, a stabilizing frame 56 for connecting a car is further disposed in the middle of the longitudinal beam, where the stabilizing frame 56 includes an upper connecting frame 561 and a lower connecting frame 562 that are hinged to each other, and both the upper connecting frame 561 and the lower connecting frame 562 include first connecting rods that are disposed opposite to each other and second connecting rods that are connected between the two first connecting rods; the lower link 562 is rotatably connected to one of the cross members 6, and the other end of the upper link 561 has a hinge hole for hinge-connecting a car.

The longitudinal beam 5 is further provided with an auxiliary stabilizing frame 57 for connecting a carriage, the auxiliary stabilizing frame 57 comprises a first connecting rod and a second connecting rod which are hinged with each other, the first connecting rod is rotatably arranged on the outer side of the longitudinal beam, and the other end of the second connecting rod is provided with a hinge hole for hinging the carriage.

During the implementation, thereby the carriage upwards rises under the effect of oil bar and drives steady rest and vice steady rest and rise, because the gravity of carriage and goods self is too big, leads to the carriage to rock easily about the in-process of upwards overturning damages hydro-cylinder and sub vehicle frame, and the steady rest and the vice steady rest that set up on sub vehicle frame mutually support the stability that can better maintain the carriage, alleviate rocking of carriage rise process, prolong sub vehicle frame's life.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A carriage of a dump truck comprises a bottom plate (1), side plates (2) arranged at two sides of the bottom plate (1), and a front plate (3) and a rear plate (4) which are positioned at two ends of the bottom plate (1), and is characterized in that the bottom plate (1) comprises a front cross beam (11) and a rear cross beam (12) which are arranged along the width direction, a main longitudinal beam (13) and an auxiliary longitudinal beam (14) which are arranged along the length direction are connected between the front cross beam (11) and the rear cross beam (12), the auxiliary longitudinal beams (14) are arranged at intervals along the width direction of the bottom plate (1), and one main longitudinal beam (13) is arranged between every two adjacent auxiliary longitudinal beams (14); a plurality of bottom plate transverse ribs (15) arranged along the width direction of the bottom plate are welded between the main longitudinal beam (13) and the auxiliary longitudinal beam (14), and the bottom plate transverse ribs (15) are arranged at intervals along the length direction of the bottom plate (1); a transverse rib outrigger (16) arranged along the width direction of the bottom plate is connected between the auxiliary longitudinal beam (14) positioned at the outermost side and the side plate (2); the heights of the transverse ribs (15) of the bottom plate, the transverse rib outriggers (16) and the auxiliary longitudinal beams (14) are consistent and are smaller than the heights of the main longitudinal beams (13), and the widths of the two main longitudinal beams (13) are matched with the width of an auxiliary frame; the bottom plate (1) further comprises a turnover seat cross beam (17) arranged along the width direction, the turnover seat cross beam (17) is welded between the two main longitudinal beams (13) and the main longitudinal beams and the side plates (2), a turnover seat side plate (171) with turnover holes is welded on the turnover seat cross beam (17), a plurality of turnover seat side plates (171) are arranged along the length direction of the turnover seat cross beam (17), and the turnover holes of the turnover seat side plates (171) are coaxially arranged; the turnover seat beam (17) is located at the position, close to the tail end, of the bottom plate (1), and the auxiliary longitudinal beam (14) comprises an auxiliary longitudinal beam rear section and an auxiliary longitudinal beam front end, wherein the auxiliary longitudinal beam rear section is connected between the tail beam (12) and the turnover seat beam (17), and the auxiliary longitudinal beam front end is connected between the front beam (11) and the turnover seat beam (17).

2. The carriage of the dump truck as defined in claim 1, wherein a front pillar (21) and a rear pillar (22) are respectively disposed at two ends of the side plate (2), an upper cross beam (23) and a lower cross beam (24) are connected between the front pillar (21) and the rear pillar (22) along the length direction, a side plate vertical rib (25) is connected between the upper cross beam (23) and the lower cross beam (24), a plurality of side plate vertical ribs (25) are disposed along the length direction, and a side plate horizontal rib (26) is welded between each side plate vertical rib (25) and the adjacent side plate vertical rib (25), front pillar (21) or rear pillar (22).

3. The carriage of the dump truck as claimed in claim 2, wherein the front end of one of the front pillars (21) is provided with a ladder (29) which is arranged flush with the side plate, the ladder (29) comprises a vertically arranged support rod (292), two ends of the support rod (292) are bent towards the front pillar (21) and connected to the front pillar (21), and a plurality of transverse ladder rods (291) are connected between the support rod (292) and the front pillar (21).

4. The carriage of the dump truck as claimed in claim 2, wherein the top of the rear upright (22) is provided with a hinge support (281), the upper ends of the two sides of the rear plate (4) are welded with hinge plates (282), the upper ends of the hinge plates (282) extend towards the direction of the side plate (2) to form a hinge part, and are rotatably mounted on the hinge support (281); the two sides of the rear plate (4) are also provided with locking hook clamping shafts (41) which are arranged in a protruding mode, and the side plate (2) is rotatably provided with a manual locking hook (411) which can be hooked and connected with the locking hook clamping shafts (41).

5. The carriage of the dump truck as claimed in claim 2, wherein a pull rod (27) is arranged between the two side plates (2) in a connecting manner along the width direction, and both ends of the pull rod (27) are fixed on the inner walls of the side plates (2).

6. The carriage of the dump truck as claimed in claim 2, wherein the front plate (3) is welded between two front pillars (21), the front plate (3) comprises two front plate vertical ribs (32) which are vertically arranged, and front plate transverse ribs (33) are connected between the two front plate vertical ribs (32) and between the front plate vertical ribs (32) and the front pillars (21).

7. A carriage as claimed in claim 6, characterised in that the top of the front plate (3) is provided with a baffle (31), the baffle (31) extending out of the front plate (3) in a direction away from the carriage.

8. The carriage of the dump truck as claimed in claim 1, wherein the rear plate (4) comprises two rear plate uprights (43) vertically arranged, a rear plate upper cross beam (44) and a rear plate lower cross beam (45) are respectively welded to the upper ends and the lower ends of the two rear plate uprights (43), a plurality of rear plate vertical ribs (46) are welded between the rear plate upper cross beam (44) and the rear plate lower cross beam (45), and a rear plate middle cross rib (47) is welded between the rear plate vertical rib (46) and the adjacent rear plate vertical rib (46) or the rear plate upright (43).

9. The carriage of the dump truck as claimed in claim 8, wherein the floor (1) is provided with a rear plate locking hook (18), the middle part of the rear plate locking hook (18) is rotatably mounted on the tail beam (12) through a hinged support (181), one end of the rear plate locking hook (18) is rotatably connected with a telescopic mechanism (182), the rear plate lower beam (45) is provided with a striking plate (42) corresponding to the rear plate locking hook (18), and the other end of the rear plate locking hook (18) is rotatably buckled on the striking plate (42).

10. A dump truck characterized by comprising the carriage of the dump truck as recited in any one of claims 1 to 9.

Images