CN216734476U - Sub-frame assembly, bearing device and engineering vehicle - Google Patents

Abstract

The utility model belongs to the technical field of engineering vehicles, and particularly relates to an auxiliary frame assembly, a bearing device and an engineering vehicle. Sub vehicle frame subassembly includes: a subframe body; the connecting piece can be dismantled with sub vehicle frame body and be connected, and the position of the tie point of connecting piece and sub vehicle frame body is adjustable, and the connecting piece can be dismantled with a draw beam to one side and be connected. According to the technical scheme, the connection mode of the auxiliary frame body and the connecting piece is improved, the position of the connection point of the auxiliary frame body and the connecting piece is adjustable, the possibility of deformation of the auxiliary frame body due to welding processing can be greatly reduced, the influence on the assembly precision of the diagonal beam and the turret mechanism is favorably reduced, secondary processing and shape correction operation is not needed, and meanwhile stress concentration can be reduced, so that the influence on the structural strength of the auxiliary frame body is reduced, the assembly efficiency and the structural strength of the whole vehicle are favorably improved, and the manufacturing cost is reduced.

Description

Sub-frame assembly, bearing device and engineering vehicle

Technical Field

The utility model belongs to the technical field of engineering vehicles, and particularly relates to an auxiliary frame assembly, a bearing device and an engineering vehicle.

Background

In some construction vehicles, such as concrete pump trucks, the subframe is usually disposed above the chassis and below the turret to perform a load-bearing and connecting function via a subframe, and the subframe and the turret are connected via a diagonal member to enhance the rigidity of the structural members behind the subframe. In the assembling process, the connection structure between oblique straining beam and the sub vehicle frame is fixed on the sub vehicle frame through the welding mode, cause the deformation of sub vehicle frame easily, because the assembly precision requirement between oblique straining beam and the capstan head is higher, sub vehicle frame deformation is easy to the processing of follow-up relevant hole site and is produced the error, and arouse stress concentration easily, influence the normal assembly of oblique straining beam and capstan head, serious probably need carry out secondary operation school shape, seriously influence the assembly efficiency of whole car, manufacturing cost has been increased, still can influence the atress condition of whole car structure, structural strength is reduced, and service life is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides an auxiliary frame assembly, a bearing device and an engineering vehicle, in order to solve the problem that assembly and structural strength are affected by deformation of an auxiliary frame in the assembly process in the prior art.

The utility model provides an auxiliary frame assembly for an engineering vehicle with a diagonal draw beam, comprising: a subframe body; the connecting piece can be dismantled with sub vehicle frame body and be connected, and the position of the tie point of connecting piece and sub vehicle frame body is adjustable, and the connecting piece can be dismantled with a draw beam to one side and be connected.

In one possible implementation, the subframe body is provided with a first connection region; the connecting piece is provided with a second connecting area which is arranged corresponding to the first connecting area and can move relative to the first connecting area; the connecting point is located at the superposition position of the first connecting area and the second connecting area, and the position of the connecting point can move along with the relative movement of the second connecting area and the first connecting area.

In one possible implementation, a first connection hole is provided in the first connection region; a second connecting hole is formed in the second connecting area; wherein, the quantity of first connecting hole and/or second connecting hole is a plurality of, arbitrary first connecting hole can cooperate with arbitrary second connecting hole, and the fastener of connecting piece and sub vehicle frame body in through locating matched with first connecting hole and second connecting hole can be dismantled and be connected.

In one possible implementation manner, the plurality of first connection holes and/or the plurality of second connection holes are arranged at intervals along the longitudinal direction of the subframe body.

In one possible implementation, a first connection hole is provided in the first connection region; a second connecting hole is formed in the second connecting area; wherein, first connecting hole and/or second connecting hole are waist shape hole, and the long limit in waist shape hole is along the longitudinal extension of sub vehicle frame body, first connecting hole can cooperate with the second connecting hole, and the fastener through wearing to locate in first connecting hole and the second connecting hole of connecting piece and sub vehicle frame body can be dismantled and be connected.

In one possible implementation manner, the first connecting hole is arranged along the transverse direction of the longitudinal beam of the auxiliary frame body and penetrates through the longitudinal beam; the connecting piece is located the top of longeron, and the both sides of connecting piece are equipped with two side connecting plates respectively, and two side connecting plates extend to the both sides of longeron downwards respectively, all are equipped with the second connecting hole on every side connecting plate.

In a feasible implementation manner, one end of the connecting piece facing the diagonal draw beam is provided with an upward inclined connecting part, and the connecting part is provided with a third connecting hole for connecting the diagonal draw beam.

In a feasible implementation manner, the auxiliary frame body comprises two longitudinal beams and a plurality of connecting cross beams, the two longitudinal beams are arranged side by side, the plurality of connecting cross beams are arranged at intervals in the extending direction of the longitudinal beams, and two ends of each connecting cross beam are respectively connected with the two longitudinal beams; wherein, a connecting piece is correspondingly arranged above each longitudinal beam.

The utility model also provides a bearing device, comprising: the subframe assembly of any of the above; the turret mechanism is arranged above the auxiliary frame component; and one end of the diagonal draw beam is connected with the turret mechanism, and the other end of the diagonal draw beam is detachably connected with the connecting piece of the auxiliary frame component.

The utility model also provides an engineering vehicle, comprising: the subframe assembly of any of the above; or the carrier of any of the above.

The beneficial effects of the technical scheme of the utility model are as follows:

the connection mode of sub vehicle frame body and connecting piece has been improved, the adoption can be dismantled and be connected, and the position of the tie point of sub vehicle frame body and connecting piece is adjustable, can reduce the sub vehicle frame body by a wide margin and take place the possibility of warping because of welding process, during the assembly, the connecting piece can be according to the tie point position of concrete assembly condition adjustment and sub vehicle frame body, be favorable to reducing the sub vehicle frame body to the assembly precision's of oblique pull beam and capstan head mechanism influence, need not to carry out secondary operation school shape operation, can reduce stress concentration simultaneously, thereby reduce the structural strength's to the sub vehicle frame body influence, be favorable to improving whole car assembly efficiency and structural strength, and the manufacturing cost is reduced.

In a further scheme, when assembling hydraulic pipelines on the engineering vehicle, need punch on the sub vehicle frame body, can adjust through the position to the connecting piece to prevent that the connecting piece from taking place to interfere with hydraulic pipeline mounting hole, further strengthened the convenience of whole car assembly.

Drawings

Fig. 1 is a schematic view illustrating an assembled state of a sub-frame assembly according to an embodiment of the present invention.

FIG. 2 is a partial schematic view of a subframe assembly according to an embodiment of the utility model.

Fig. 3 is a partial schematic view of a subframe body according to an embodiment of the utility model.

Fig. 4 is a partial schematic view of a subframe body according to an embodiment of the utility model.

FIG. 5 is a partial schematic view of a subframe assembly according to one embodiment of the utility model.

Fig. 6 is a partial schematic view of a subframe body according to an embodiment of the utility model.

FIG. 7 is a partial schematic view of a subframe assembly according to one embodiment of the utility model.

Fig. 8 is a schematic view illustrating an assembled state of a sub-frame assembly according to an embodiment of the present invention.

Fig. 9 is a schematic block diagram of an engineering vehicle according to an embodiment of the present invention.

Fig. 10 is a schematic block diagram of an engineering vehicle according to an embodiment of the present invention.

Description of reference numerals:

1 sub-frame assembly, 11 sub-frame body, 111 first connecting area, 1111 first connecting hole, 112 longitudinal beam, 113 connecting cross beam, 12 connecting piece, 121 second connecting area, 1211 second connecting hole, 122 side connecting plate, 123 connecting part, 1231 third connecting hole, 13 fastening piece, 2 bearing device, 21 turret mechanism and 22 diagonal beam.

Detailed Description

In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

The subframe assembly, the bearing device and the engineering vehicle in the technical scheme of the utility model are provided in the following embodiments, wherein the subframe assembly can be applied to the engineering vehicle with the diagonal draw beam.

In an embodiment of the present invention, as shown in fig. 1, the subframe assembly 1 includes a subframe body 11 and a connecting member 12, the connecting member 12 is detachably connected to the subframe body 11, and the connecting member 12 can also be detachably connected to a diagonal member 22 of an engineering vehicle, so as to connect between the subframe body 11 and the diagonal member 22. Wherein, the position of the connecting point of the connecting piece 12 and the auxiliary frame body 11 is adjustable.

During assembly, the inclined pull beam 22 and the auxiliary frame body 11 can be assembled respectively, one end, far away from the auxiliary frame body 11, of the inclined pull beam 22 is connected with the turret mechanism 21 of the engineering vehicle, after the relative position of the inclined pull beam 22 and the auxiliary frame body 11 is determined, the connecting piece 12 is installed, the connecting piece 12 is connected with the inclined pull beam 22 and the auxiliary frame body 11, and at the moment, the connecting point of the connecting piece 12 and the auxiliary frame body 11 can be adjusted to the position matched with the auxiliary frame body 11.

It can be understood that current sub vehicle frame and connection structure pass through welded fastening, cause the deformation of sub vehicle frame among the welding process easily, also can cause stress concentration simultaneously, not only can influence the precision of the locating hole of processing on the sub vehicle frame in follow-up link, also can influence the be connected between diagonal draw beam 22 and turret mechanism 21, probably need and then secondary operation school shape can accomplish the assembly.

Sub vehicle frame subassembly 1 in this embodiment, the connected mode between sub vehicle frame body 11 and connecting piece 12 has been improved, can prevent effectively that sub vehicle frame body 11 from appearing warping or stress concentration phenomenon, the influence to drawing beam 22, locating hole etc. to one side has been reduced, connecting piece 12 can select suitable junction point position according to the relative position of drawing beam 22 and sub vehicle frame body 11 to one side, need not to carry out the secondary operation school shape because of junction point production error, it is more convenient to assemble, be favorable to improving the assembly efficiency of whole car, and the manufacturing cost is reduced. In addition, when the position of the connecting member 12 interferes with the mounting hole of the hydraulic line formed in the subframe body 11, the position of the connecting member 12 can be appropriately adjusted to avoid the influence on the mounting of the hydraulic line.

In some embodiments of the present invention, as shown in fig. 2 and 3, the subframe body 11 is provided with a first connection region 111, and correspondingly, the connection member 12 is provided with a second connection region 121. During assembly, the first connection region 111 corresponds to the second connection region 121, and the connection point of the connecting member 12 to the subframe body 11 is located in the overlapping position of the first connection region 111 and the second connection region 121. The second connecting area 121 can move relative to the first connecting area 111 by operating the connecting member 12, so that the overlapping position of the first connecting area 111 and the second connecting area 121 is changed, and the position of the connecting point is changed, so that the connecting member 12 is matched with the positions of the diagonal draw beam 22 and the subframe body 11, and normal assembly connection is prevented from being influenced.

In some embodiments of the present invention, as shown in fig. 2 and 3, a first connection hole 1111 is formed in the first connection region 111 of the subframe body 11, and correspondingly, a second connection hole 1211 is formed in the second connection region 121 of the connection member 12, and the second connection hole 1211 can be matched with the first connection hole 1111, and the connection and the locking between the connection member 12 and the subframe body 11 are achieved through the fastening member 13. Specifically, the number of the second connection holes 1211 may be multiple (as shown in fig. 2), in this case, the number of the first connection holes 1111 may be one (as shown in fig. 3), and after the relative position between the cable-stayed beam 22 and the subframe body 11 is determined, the connection member 12 may select an appropriate second connection hole 1211 to be matched with the first connection hole 1111 according to specific situations and be connected by the fastening member 13, so that when an error occurs in the relative position between the cable-stayed beam 22 and the subframe body 11, the fitting position may be adapted by adjusting the position of the connection point between the connection member 12 and the subframe body 11. Wherein the fastener 13 includes, but is not limited to, a bolt and nut combination.

It should be noted that the first connection hole 1111 may also be multiple (as an example in fig. 4), and the selection of the connection point of the connection element 12 may be further increased. Of course, a plurality of first connection holes 1111 and a second connection hole 1211 may also be provided, and the second connection hole 1211 of the connection member 12 may be matched with one of the plurality of first connection holes 1111 during assembly, so as to adjust the position of the connection point according to different assembly positions, which also achieves the effect of the present embodiment and is not described herein again.

Further, in a feasible implementation, be equipped with a plurality of first connecting holes 1111 on sub vehicle frame body 11, and a plurality of first connecting holes 1111 sets up at sub vehicle frame body 11's longitudinal separation to when connecting piece 12 is connected with sub vehicle frame body 11 through different first connecting holes 1111, can realize adjusting at sub vehicle frame body 11's longitudinal position. It can be understood that the longitudinal dimension of the sub frame body 11 is relatively long, and sufficient setting space can be provided for the plurality of first connection holes 1111.

Further, in another possible implementation manner, a plurality of second connection holes 1211 are formed in the connection member 12, and the plurality of second connection holes 1211 may also be spaced apart in the longitudinal direction of the subframe body 11, so that the arrangement direction of the second connection holes 1211 matches the longitudinal direction of the subframe body 11, so that when the connection member 12 is connected to the subframe body 11 through the different second connection holes 1211, the position adjustment can be performed in the longitudinal direction of the subframe body 11. It can be understood that the space in the longitudinal direction of the subframe body 11 is relatively sufficient, and the position adjustment of the connecting member 12 in the longitudinal direction of the subframe body 11 can reduce interference with other structures as much as possible.

In some embodiments of the present invention, as shown in fig. 3 and 5, a first connection hole 1111 is formed in the first connection region 111 of the subframe body 11, and correspondingly, a second connection hole 1211 is formed in the second connection region 121 of the connection member 12, and the second connection hole 1211 can be matched with the first connection hole 1111, and the connection and the locking between the connection member 12 and the subframe body 11 are achieved through the fastening member 13. Specifically, the second connection hole 1211 is a waist-shaped hole (as an example in fig. 5), and a long side of the second connection hole 1211 extends in a longitudinal direction of the subframe body 11, in this case, the first connection hole 1111 may be a circular hole (as an example in fig. 3), and when the relative position of the diagonal beam 22 and the subframe body 11 is determined, the connection member 12 may select an appropriate position in the second connection hole 1211 to be matched with the first connection hole 1111 according to specific situations, and be connected by the fastening member 13, so that when an error occurs in the relative position between the diagonal beam 22 and the subframe body 11, the fastening member 13 may be operated to move in the long-side direction in the first connection hole 1111, and the connection point position of the connection member 12 and the subframe body 11 may be changed to adapt to different assembly positions. Wherein the fastener 13 includes, but is not limited to, a bolt and nut combination.

It should be noted that the first connection hole 1111 may also be a kidney-shaped hole (as an example in fig. 6), and the fastener 13 may move in the first connection hole 1111 and the second connection hole 1211 at the same time, so as to further increase the selection of the connection point position of the connection member 12. Of course, the first connection hole 1111 may also be a waist-shaped hole, and the second connection hole 1211 may also be a circular hole, so that the fastener 13 may be operated to move in the first connection hole 1111 during assembly, so as to adjust the position of the connection point according to different assembly positions, which also can achieve the effect of this embodiment and will not be described herein again.

In some embodiments of the utility model, as shown in fig. 3 and 7, a first connection hole 1111 is formed in a side wall of the longitudinal beam 112 of the subframe body 11, and the first connection hole 1111 penetrates through the longitudinal beam 112 along the transverse direction. The connecting member 12 is arranged above the longitudinal beam 112, the two sides of the connecting member 12 are provided with side connecting plates 122, each side connecting plate 122 extends downwards to the corresponding side surface of the longitudinal beam 112, that is, the two side connecting plates 122 extend to the two sides of the longitudinal beam 112 respectively; each side connecting plate 122 is provided with a second connecting hole 1211, and the second connecting hole 1211 can be matched with the first connecting hole 1111, and then connected and locked by a fastening member 13, so as to realize the connection and fixation between the connecting member 12 and the subframe body 11. When an error occurs in the relative position between the diagonal member 22 and the subframe body 11 during assembly, the position of the connection point between the connecting member 12 and the subframe body 11 can be adjusted to achieve the assembly connection. According to the arrangement mode of the connecting member 12 in the embodiment, the two sides of the connecting member 12 are relatively balanced in stress, and the occupied space in the transverse direction is small.

It should be noted that the arrangement manner of the connecting member 12 in the present invention is not limited to the embodiment in the present embodiment, and both the first connecting hole 1111 and the second connecting hole 1211 may be arranged along the height direction, or the entire connecting member 12 may be arranged on one side of the longitudinal beam 112 of the subframe body 11, which can also achieve the effect of the present invention, and will not be described herein again.

Further, as shown in fig. 7, one end of the connecting member 12 facing the diagonal draw beam 22 is provided with a connecting portion 123 inclined upward to match the inclination angle of the diagonal draw beam 22, so as to form a connecting shoe structure; the connecting portion 123 is provided with a third connecting hole 1231, which can be connected and fixed with the diagonal draw beam 22 by the fastening member 13. Specifically, the connecting portion 123 may be erected on the top of the diagonal draw beam 22, and the third connecting hole 1231 is correspondingly disposed on the top of the connecting portion 123 and corresponds to the connecting hole on the diagonal draw beam 22, so as to facilitate the operation of the fastening member 13. The number of the third connecting holes 1231 may be one or more, and may be specifically set according to the number of the connecting holes of the diagonal draw beam 22.

In some embodiments of the present invention, as shown in fig. 8, the subframe body 11 includes two longitudinal members 112 and a plurality of connecting cross members 113. Two longitudinal beams 112 are arranged side by side, and a plurality of connecting cross beams 113 are arranged at intervals in the longitudinal direction of the longitudinal beams 112; both ends of each connecting cross member 113 are connected to the two longitudinal members 112, respectively, so that the subframe body 11 is integrally formed into a frame structure. As shown in fig. 8, each longitudinal beam 112 is correspondingly provided with one connecting member 12 to connect different diagonal beams 22 through two connecting members 12, so that connection and support are formed between the subframe body 11 and the turret mechanism 21 through a plurality of diagonal beams 22, which can improve connection strength and stability on one hand, and on the other hand, can relatively balance the stress on the two longitudinal beams 112 of the subframe body 11, thereby being beneficial to further enhancing the overall stability.

The following is a specific embodiment of the sub-frame assembly 1 of the present invention:

as shown in fig. 1, the subframe assembly 1 includes a subframe body 11 and a connecting member 12, the connecting member 12 is detachably connected to the subframe, and the connecting member 12 is also detachably connected to a diagonal beam 22 of the engineering vehicle, so as to function as a connection between the subframe body 11 and the diagonal beam 22. The end of the diagonal draw beam 22 remote from the connecting element 12 is connected to the turret mechanism 21 of the work vehicle.

As shown in fig. 8, the subframe body 11 includes two side members 112 and a plurality of connecting cross members 113. Two longitudinal beams 112 are arranged side by side, and a plurality of connecting cross beams 113 are arranged at intervals in the longitudinal direction of the longitudinal beams 112; both ends of each connecting cross member 113 are connected to the two longitudinal members 112, respectively, so that the subframe body 11 is integrally formed into a frame structure. Here, as an example in fig. 8, one connecting member 12 is provided on each longitudinal beam 112 to connect different diagonal members 22 through two connecting members 12, respectively, so that connection and support are formed between the subframe body 11 and the turret mechanism 21 through the plurality of diagonal members 22.

As shown in fig. 2 and 3, a first connection region 111 is disposed on a side wall of the longitudinal beam 112 of the subframe body 11, a first connection hole 1111 is disposed in the first connection region 111, and the first connection hole 1111 penetrates through the longitudinal beam 112 along the transverse direction. The connecting member 12 is disposed above the corresponding longitudinal beam 112, and the two sides of the connecting member 12 are provided with side connecting plates 122, each side connecting plate 122 extends downward to the corresponding side surface of the longitudinal beam 112, that is, the two side connecting plates 122 extend to the positions of the two sides of the longitudinal beam 112 corresponding to the first connecting area 111 respectively; each side connecting plate 122 is provided with a second connecting hole 1211, and the second connecting hole 1211 can be matched with the first connecting hole 1111, and then connected and locked by a fastening member 13, so as to realize the connection and fixation between the connecting member 12 and the subframe body 11.

In a possible implementation manner, as shown in fig. 2 and 3, the number of the second connection holes 1211 is multiple (as an example in fig. 2), the multiple second connection holes 1211 are spaced in the longitudinal direction of the longitudinal beam 112, the number of the first connection holes 1111 is one (as an example in fig. 3), and when the relative position of the cable-stayed beam 22 and the subframe body 11 is determined, the connection member 12 can select an appropriate second connection hole 1211 to be matched with the first connection hole 1111 according to specific situations and is connected by the fastening member 13, so that when an error occurs in the relative position between the cable-stayed beam 22 and the subframe body 11, the connection point position of the connection member 12 and the subframe body 11 is adjusted to achieve the fitting position. Wherein the fastener 13 includes, but is not limited to, a bolt and nut combination. Further, the number of the first connection holes 1111 may also be plural (as an example in fig. 4).

In another possible implementation manner, as shown in fig. 3 and 5, the second connection hole 1211 is a waist-shaped hole (as an example in fig. 5), and the long side of the second connection hole 1211 extends along the longitudinal direction of the subframe body 11, in this case, the first connection hole 1111 is a round hole (as an example in fig. 3), and when the relative position of the diagonal member 22 and the subframe body 11 is determined, the connection member 12 may select a suitable position in the second connection hole 1211 to match the first connection hole 1111 according to specific situations and is connected by the fastening member 13, so that when an error occurs in the relative position between the diagonal member 22 and the subframe body 11, the fastening member 13 may be operated to move in the first connection hole 1111 along the long side direction, so as to change the connection point position of the connection member 12 and the subframe body 11 to adapt to different assembly positions. Wherein the fastener 13 includes, but is not limited to, a bolt and nut combination. Further, the first connection hole 1111 may also be a kidney-shaped hole (as an example in fig. 6).

As shown in fig. 7, the connecting member 12 is provided with a connecting portion 123 inclined upward toward one end of the diagonal draw beam 22 so as to be adapted to the inclination angle of the diagonal draw beam 22; the connecting portion 123 is provided with a third connecting hole 1231, which can be connected and fixed with the diagonal draw beam 22 by the fastening member 13. Specifically, the connecting portion 123 may be erected on the top of the diagonal draw beam 22, and the third connecting hole 1231 is correspondingly disposed on the top of the connecting portion 123 and corresponds to the connecting hole on the diagonal draw beam 22, so as to facilitate the operation of the fastening member 13. The number of the third connecting holes 1231 may be one or more, and may be specifically set according to the number of the connecting holes of the diagonal draw beam 22.

During assembly, the diagonal beam 22 and the subframe body 11 may be assembled respectively, one end of the diagonal beam 22, which is far away from the subframe body 11, is connected to the turret mechanism 21 of the engineering vehicle, after the relative position of the diagonal beam 22 and the subframe body 11 is determined, the connecting member 12 is installed, the connecting member 12 is connected to the diagonal beam 22 and the subframe body 11, and then the connecting member 12 is connected to the longitudinal beam 112 of the subframe body 11. At this time, if there is an assembly error between the diagonal tension beam 22 and the longitudinal beam 112 of the subframe body 11, different first connection holes 1111 and/or second connection holes 1211 may be selected to adjust the positions of the connection points of the connection member 12 and the subframe body 11, thereby selecting a matching assembly position.

In an embodiment of the present invention, there is further provided a carrying device 2, as shown in fig. 1, the carrying device 2 includes the subframe assembly 1, the turret mechanism 21 and the diagonal draw beam 22 in any one of the above embodiments. The turret mechanism 21 is located above the sub-frame assembly 1, one end of the cable-stayed beam 22 is connected to the turret mechanism 21, and the other end of the cable-stayed beam 22 extends toward the sub-frame assembly 1 and is detachably connected to the connecting member 12 of the sub-frame assembly 1. During assembly, the subframe body 11 and the turret mechanism 21 of the subframe assembly 1 can be assembled, then one end of the diagonal beam 22 and the turret mechanism 21 are assembled, at the moment, the relative position of the diagonal beam 22 and the subframe body 11 is determined, and then the connecting piece 12 is installed; if there is assembly error between diagonal draw beam 22 and the sub vehicle frame body 11, can adjust the tie point position between connecting piece 12 and the sub vehicle frame body 11 to with the assembly position looks adaptation of diagonal draw beam 22, need not to carry out secondary operation school shape again, convenient assembly.

In addition, the carrying device 2 in this embodiment also has all the beneficial effects of the sub-frame assembly 1 in any of the above embodiments, which are not described herein again.

In an embodiment of the present invention, there is also provided an engineering vehicle, as shown in fig. 1 and fig. 9, the engineering vehicle includes the subframe assembly 1 in any one of the above embodiments. The engineering vehicle in the embodiment includes, but is not limited to, a concrete pump vehicle. In addition, the engineering vehicle in this embodiment has all the beneficial effects of the sub-frame assembly 1 in any of the above embodiments, and details are not repeated herein.

In an embodiment of the present invention, there is also provided a working vehicle, as shown in fig. 1 and 10, the working vehicle includes the carrying device 2 in any one of the above embodiments. The engineering vehicle in the embodiment includes, but is not limited to, a concrete pump vehicle. In addition, the engineering vehicle in this embodiment has all the beneficial effects of the carrying device 2 in any one of the above embodiments, and details are not described herein.

The basic principles of the present invention have been described above with reference to specific embodiments, but it should be noted that the advantages, effects, etc. mentioned in the present invention are only examples and are not limiting, and the advantages, effects, etc. must not be considered to be possessed by various embodiments of the present invention. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the utility model is not limited to the specific details described above.

The block diagrams of devices, apparatuses, systems involved in the present invention are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to". It is further noted that in the apparatus and device of the present invention, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be considered as equivalents of the present invention.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the utility model. Thus, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and the like within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A sub-frame assembly for a work vehicle having a diagonal draw beam (22), comprising:

a subframe body (11);

the connecting piece (12), with sub vehicle frame body (11) can be dismantled and be connected, just connecting piece (12) with the position of the tie point of sub vehicle frame body (11) is adjustable, connecting piece (12) with oblique straining beam (22) can be dismantled and be connected.

2. The subframe assembly of claim 1 wherein,

the auxiliary frame body (11) is provided with a first connecting area (111);

the connecting piece (12) is provided with a second connecting area (121), the second connecting area (121) is arranged corresponding to the first connecting area (111), and the second connecting area (121) can move relative to the first connecting area (111);

wherein the connection point is located at a position where the first connection area (111) and the second connection area (121) coincide, and the position of the connection point is movable with a relative movement of the second connection area (121) and the first connection area (111).

3. The subframe assembly of claim 2 wherein,

a first connecting hole (1111) is arranged in the first connecting area (111);

a second connecting hole (1211) is formed in the second connecting area (121);

the number of the first connecting holes (1111) and/or the second connecting holes (1211) is multiple, any one of the first connecting holes (1111) can be matched with any one of the second connecting holes (1211), and the connecting piece (12) is detachably connected with the auxiliary frame body (11) through fasteners (13) penetrating through the matched first connecting holes (1111) and second connecting holes (1211).

4. The sub-frame assembly of claim 3,

the plurality of first connection holes (1111) and/or the plurality of second connection holes (1211) are provided at intervals in a longitudinal direction of the subframe body (11).

5. The subframe assembly of claim 2 wherein,

a first connecting hole (1111) is arranged in the first connecting area (111);

a second connecting hole (1211) is formed in the second connecting area (121);

wherein, first connecting hole (1111) and/or second connecting hole (1211) are waist shape hole, just the long limit in waist shape hole is followed the longitudinal extension of sub vehicle frame body (11), first connecting hole (1111) can with second connecting hole (1211) cooperation, connecting piece (12) with sub vehicle frame body (11) through wearing to locate first connecting hole (1111) with fastener (13) in the second connecting hole (1211) can dismantle the connection.

6. The subframe assembly of any one of claims 3-5 wherein,

the first connecting hole (1111) is arranged along the transverse direction of a longitudinal beam (112) of the auxiliary frame body (11) and penetrates through the longitudinal beam (112);

the connecting piece (12) is located above the longitudinal beam (112), two side connecting plates (122) are respectively arranged on two sides of the connecting piece (12), the side connecting plates (122) extend downwards to the outer side of the longitudinal beam (112), and each side connecting plate (122) is provided with the second connecting hole (1211).

7. The subframe assembly of claim 6 wherein,

connecting piece (12) orientation inclined straining beam's (22) one end is equipped with tilt up's connecting portion (123), connecting portion (123) are equipped with and are used for connecting inclined straining beam's (22) third connecting hole (1231).

8. The subframe assembly of any one of claims 1-5 wherein,

the auxiliary frame body (11) comprises two longitudinal beams (112) and a plurality of connecting cross beams (113), the two longitudinal beams (112) are arranged side by side, the plurality of connecting cross beams (113) are arranged at intervals in the extending direction of the longitudinal beams (112), and two ends of each connecting cross beam (113) are respectively connected with the two longitudinal beams (112);

wherein, a connecting piece (12) is correspondingly arranged above each longitudinal beam (112).

9. A load bearing device, comprising:

the subframe assembly of any one of claims 1-8;

a turret mechanism (21) provided above the sub-frame assembly;

and one end of the diagonal draw beam (22) is connected with the turret mechanism (21), and the other end of the diagonal draw beam is detachably connected with the connecting piece (12) of the auxiliary frame component.

10. A work vehicle, characterized by comprising:

the subframe assembly of any one of claims 1-8; or

The carrier of claim 9.

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