CN216185475U - Frame device and concrete pump truck - Google Patents

Abstract

The application relates to the technical field of concrete pumping equipment, in particular to a frame device and a concrete pump truck. The connecting assembly is positioned between the first end and the second end and is respectively connected with the two longitudinal beams, and an avoidance space is arranged at the bottom of the connecting assembly; and a first beam assembly disposed between the connection assembly and the second end; wherein, first beam assembly includes: the two connecting beams are respectively in one-to-one correspondence with the two longitudinal beams and are connected with the two longitudinal beams; and the intermediate beam is arranged between the two connecting beams. The reasonability of the structural arrangement of the whole vehicle is improved, and the concrete conveying efficiency is effectively improved.

Description

Frame device and concrete pump truck

Technical Field

The application relates to the technical field of concrete pumping equipment, in particular to a frame device and a concrete pump truck.

Background

The concrete pump truck is an engineering machine for conveying concrete along a pipeline by using pressure, and the machine is formed by reforming a truck chassis.

In the prior art, chassis frames of concrete pump trucks are all universal frames, the universal frames are combined with auxiliary frame structures to form mounting spaces for upper parts, and a plurality of reinforcing structures are arranged on the frames to improve the bearing capacity of the frames. The reinforcing structure, the auxiliary frame and the upper mounting component are directly or indirectly connected with the frame, and the auxiliary frame is often additionally installed after the frame is integrally formed, so that the integral available space of the frame is easily influenced, and the integral available space of the frame directly influences the arrangement of the whole concrete structure of the concrete pump truck. When the available space of the whole frame is limited, the structural arrangement of the whole concrete pump truck is unreasonable, and the conveying efficiency of concrete is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the application provides a frame device and a concrete pump truck, which solve or improve the problem that the concrete conveying efficiency is reduced due to unreasonable structural arrangement of the whole truck.

In a first aspect, the present application provides a frame assembly comprising: the two longitudinal beams are oppositely arranged and provided with a first end and a second end which are opposite; the connecting assembly is positioned between the first end and the second end and is respectively connected with the two longitudinal beams, and an avoiding space is formed at the bottom of the connecting assembly; and a first beam assembly disposed between the connection assembly and the second end; wherein the first beam assembly comprises: the two connecting beams are respectively in one-to-one correspondence with and connected with the two longitudinal beams; and the middle beam is arranged between the two connecting beams.

The application provides a frame device through setting up coupling assembling, links together two longerons to form a holistic frame structure, provide the space for the installation and the overall arrangement of each structure of vehicle. . Meanwhile, an avoiding space is formed through the connecting assembly, and the components such as an avoiding transmission shaft can be effectively installed. And the bearing capacity of the frame structure can be effectively improved through the first beam assembly, so that sufficient support is provided for mounting of all structures of the whole vehicle, and the reasonable layout of all structures of the vehicle on the frame structure is facilitated. The reasonability of the structural arrangement of the whole vehicle is improved, and the concrete conveying efficiency is effectively improved.

In one possible implementation, the intermediate beam includes: one end of the backrest beam is fixedly connected with one of the connecting beams, and the other end of the backrest beam is fixedly connected with the other connecting beam; the backrest comprises a backrest beam, a first cross beam and a second cross beam, wherein the backrest beam is arranged oppositely and fixedly connected with the backrest beam, one end of the first cross beam is fixedly connected with one of the connecting beams, and the other end of the first cross beam is fixedly connected with the other connecting beam.

In one possible implementation, the connection beam includes: the upper connecting plate is positioned above the backrest beam, and the bottom wall of the upper connecting plate is abutted with the top wall of the backrest beam; and the lower connecting plate is positioned below the backrest beam, the lower connecting plate and the upper connecting plate are oppositely arranged, and the top wall of the lower connecting plate is abutted to the bottom wall of the backrest beam.

In one possible implementation, the backrest beam includes: one side of the third cross beam is abutted against one side of the connecting beam, and the third cross beam is fixedly connected with the upper connecting plate and the lower connecting plate respectively; and the reinforcing plate is fixed on one side of the third cross beam, which is far away from the second cross beam.

In one possible implementation, the top surface of the first end is lower than the top surface of the second end.

In one possible implementation, the distance between the two first ends is greater than the distance between the two second ends.

In one possible implementation, the frame device further includes: the front section assembly is detachably connected with the two first ends respectively.

In one possible implementation, the front-end assembly includes: a front cross member; the two side plates are spaced from each other and are respectively connected with the front cross beam, and one ends of the two side plates, which are respectively far away from the front cross beam, correspond to the two first ends one by one and are detachably connected with the first ends; and the two first reinforcing ribs are positioned between the two side plates, the two first reinforcing ribs are respectively connected with the front cross beam, and the first reinforcing ribs are connected with the side plates on the corresponding sides.

In one possible implementation, the side plate includes: a fixed portion detachably connected to the first end (110); and the connecting part is connected with the fixing part, and one end of the connecting part, which is far away from the fixing part, is connected with the front cross beam.

In a possible implementation manner, one end of the connecting part, which is far away from the fixing part, extends obliquely upwards; and/or one end of the connecting part, which is far away from the fixing part, extends obliquely downwards.

In one possible implementation, the frame device further includes: the pipe column beam, the one end of pipe column beam with one of them longeron fixed connection, the other end of pipe column beam with another one of them longeron fixed connection, the pipe column beam has the sunk structure, the sunk structure is located two between the longeron.

In one possible implementation, the tubular string beam includes: each end plate is correspondingly connected with one longitudinal beam; each connecting piece is correspondingly connected with one end plate; one end of the bent pipe is connected with one of the connecting pieces, and the other end of the bent pipe is connected with the other connecting piece; wherein the bent pipe is bent downward to form the concave structure; and the reinforcing piece is arranged on the end plate, is positioned below the bent pipe and is fixedly connected with the bent pipe.

In one possible implementation, the connection assembly includes: a fixed beam; one end of each upper fixing plate is connected with the fixing beam, and the other end of each upper fixing plate is connected with the longitudinal beam; and one end of the lower fixing plate is connected with the fixing beam, the other end of the lower fixing plate is connected with the longitudinal beam, and the two lower fixing plates are in one-to-one correspondence with the two upper fixing plates.

In one possible implementation, the frame device further includes: the suspension bracket is arranged on the longitudinal beam; and/or a tail light bracket disposed at the second end.

In a second aspect, the present application further provides a concrete pump truck, including: a frame arrangement as described in the first aspect of the present application; a cab connected to a first end of the frame arrangement; an engine coupled to the frame assembly and positioned between the coupling assembly and the first end; and the upper mounting structure is connected with the frame device.

The concrete pump truck that this application second aspect provided realizes sinking of driver's cabin through the frame device and arranges, realizes simultaneously that the engine arranges in the driver's cabin rear, can also directly be connected facial make-up structure and frame device, and need not to install the sub vehicle frame to improve the holistic overall arrangement rationality of vehicle, with effectively improve concrete conveying efficiency.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

FIG. 1 is a schematic structural view of a frame assembly according to some embodiments of the present disclosure.

Fig. 2 is a schematic structural view of a center sill and a connecting sill according to some embodiments of the present application.

FIG. 3 is a schematic structural diagram of a front-end assembly according to some embodiments of the present application.

FIG. 4 is a bottom view of the front section assembly according to some embodiments of the present application.

FIG. 5 is a schematic structural view of a front section assembly and a stringer according to some embodiments of the present application.

Fig. 6 shows an enlarged view of a portion a of the implementation shown in fig. 5.

Fig. 7 is a schematic diagram of a tubular string beam according to some embodiments of the present application.

Fig. 8 is a schematic structural view of a connecting assembly according to some embodiments of the present disclosure.

Detailed Description

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.

Summary of the application

Concrete pump trucks are engineering machines that use pressure to transport concrete along a pipeline, and are very popular in the building construction industry. The machine is mainly formed by reforming a chassis of a truck. The concrete pump truck mainly comprises a frame, a cab, an engine, an upper mounting structure and the like. Wherein, the frame mainly plays the bearing effect, and driver's cabin, engine and upper assembling structure etc. all install on the frame.

In the prior art, the frame usually adopts a general frame, but the whole structure of the concrete pump truck is special, the middle and rear sections of the truck need to bear a loading structure, the load borne by the middle and rear sections of the frame is larger, and the available space is limited because the middle and front sections of the frame need to be additionally provided with connecting pieces. When the universal frame is used, the auxiliary frame is required to be additionally installed at the middle and rear sections at first, so that the upper installation structure is convenient to install, and the bearing capacity of the middle and rear sections of the frame is improved. Meanwhile, the available space is limited, the angle of the delivery cylinder of the pump truck can only be arranged at about nine degrees, otherwise, the angle will interfere with the frame. The smaller the angle of the delivery cylinder of the pump truck is, the higher the delivery efficiency is. Therefore, the universal frame is adopted, the arrangement structure of the whole vehicle can be seriously influenced, and the conveying efficiency of concrete is reduced.

The embodiment of the application provides a frame device and a concrete pump truck. The bearing capacity of the middle and rear sections of the frame is improved by installing the first cross beam assembly on the middle and rear sections of the frame, and the available space of the frame is improved by sinking and widening one end of the frame, so that the sinking arrangement of a cab and the rear layout of an engine are realized. Meanwhile, the upper mounting structure can be directly connected with the middle rear section of the frame without installing an auxiliary frame; therefore, the reasonability of the whole vehicle layout is improved, and the conveying efficiency of concrete is effectively improved.

Exemplary devices

FIG. 1 is a schematic structural view of a frame assembly according to some embodiments of the present disclosure. Referring to fig. 1, the frame device includes: two longitudinal beams 100, a connecting assembly 200, and a first cross beam assembly 300. Two stringers 100 are oppositely disposed, the stringers 100 having opposing first and second ends 110, 120. The connecting assembly 200 is disposed between the two longitudinal beams 100, the connecting assembly 200 is located between the first end 110 and the second end 120, the connecting assembly 200 is connected to the two longitudinal beams 100, and an escape space is formed at the bottom of the connecting assembly 200.

A first beam assembly 300 is disposed between the connection assembly 200 and the second end 120, the first beam assembly 300 including two connecting beams 310 and a plurality of intermediate beams 320. The two connecting beams 310 are respectively connected to the two longitudinal beams 100 in a one-to-one correspondence. The intermediate beam 320 is disposed between the two connection beams 310. The number of the middle beams 320 may be multiple, the multiple middle beams 320 are distributed between the two connecting beams 310 at intervals, the number of the middle beams 320 may be selected according to an actual installation space, and the number of the middle beams 320 is not limited in the present application.

When the frame device is used, the two longitudinal beams 100 are connected together through the connecting assembly 200, and a space is provided for installation and layout of the whole vehicle structure. The avoidance space on the connecting assembly 200 can effectively avoid the transmission shaft so as to facilitate the installation of the transmission shaft, and the first beam assembly 300 can enhance the bearing capacity of the middle and rear sections of the frame device so as to provide sufficient support for the middle and rear sections of the whole frame structure.

Meanwhile, a connecting space of the upper mounting structure is reserved on the frame device, and the upper mounting structure can be directly connected with the frame device without installing an auxiliary frame. And through setting up tie-beam 310 and a plurality of intermediate beams 320, still reserved the arrangement space of pump delivery cylinder at the middle and back section of frame device, can effectively reduce the inclination of pump delivery cylinder. Therefore, the reasonability of the structural layout of the whole vehicle is improved, and the conveying efficiency of concrete is effectively improved.

Fig. 2 is a schematic structural view of a center sill and a connecting sill according to some embodiments of the present application. Referring to fig. 2, the center sill 320 includes a back rest sill 321 and a second cross member 322. One end of the backrest beam 321 is fixedly connected with one of the connecting beams 310, and the other end of the backrest beam 321 is fixedly connected with the other connecting beam 310. The second cross beam 322 is opposite to the backrest beam 321 and is fixedly connected to the backrest beam, one end of the second cross beam 322 is fixedly connected to one of the connecting beams 310, and the other end of the second cross beam 322 is fixedly connected to the other connecting beam 310.

When the middle beam 320 is installed, the backrest beam 321 and the second cross beam 322 are placed back to back and fixed together, and may be fixed by using standard members such as bolts. Then, two ends of the backrest beam 321 and two ends of the second beam 322 are fixed to the two connecting beams 310 respectively, and the fixing manner may be by using standard components such as bolts.

Referring to fig. 2, in some embodiments of the present application, the connection beam 310 includes an upper connection plate 311 and a lower connection plate 312. The upper connecting plate 311 is positioned above the backrest beam 321, and a bottom wall of the upper connecting plate 311 abuts against a top wall of the backrest beam 321. The lower connecting plate 312 is located below the backrest beam 321, the lower connecting plate 312 is disposed opposite to the upper connecting plate 311, and a top wall of the lower connecting plate 312 abuts against a bottom wall of the backrest beam 321.

When the connecting beam 310 is disposed, the upper connecting plate 311 and the lower connecting plate 312 may be fixed to the backrest beam 321, and then both the upper connecting plate 311 and the lower connecting plate 312 are fixed to the longitudinal beam 100, so as to complete the installation of the connecting beam 310.

Referring to fig. 2, in some embodiments of the present application, the backrest beam 321 includes a third cross member 3211 and a reinforcement plate 3212. One side of the third cross member 3211 abuts one side of the connecting beam 310. The third cross beam 3211 is fixedly connected to the upper connecting plate 311 and the lower connecting plate 312, respectively. The third cross member 3211 may be a channel steel. Reinforcing plate 3212 sets up in the one side that second crossbeam 322 is kept away from to third crossbeam 3211, and reinforcing plate 3212 sets up and can set up inside the channel-section steel, fixes reinforcing plate 3212 and third crossbeam 3211 through standard parts such as bolts.

When the back rest beam 321 is installed, the reinforcing plate 3212 may be fixed to the third cross member 3211 in advance, and then the third cross member 3211 may be fixed to the upper connecting plate 311 and the lower connecting plate 312, respectively.

Referring to fig. 1, in some embodiments of the present application, the top surface of the first end 110 is lower than the top surface of the second end 120. The first ends 110 of the two longitudinal beams 100 are lower than the second ends 120, so that the cab is arranged in a sinking mode, and the overall gravity center is lowered.

Referring to fig. 1, in some embodiments of the present application, the distance between two first ends 110 is greater than the distance between two second ends 120. The engine is conveniently arranged behind the cab, so that the space of the frame is more reasonably arranged.

Referring to FIG. 1, in some embodiments of the present application, the frame arrangement further includes a forward section assembly 400. The front section assembly 400 is detachably connected to the two first ends 110, respectively.

The front section assembly 400 is detachably connected with the longitudinal beam 100, so that the front section assembly 400 is modularly arranged, the whole front section assembly 400 can be quickly assembled and disassembled with the longitudinal beam 100, and the front section assembly 400 or the frame device can be conveniently overhauled or replaced.

FIG. 3 is a schematic structural diagram of a front-end assembly according to some embodiments of the present application. FIG. 4 is a bottom view of the front section assembly according to some embodiments of the present application. Referring to fig. 3 and 4, the front section assembly 400 includes a front cross member 410, two side plates 420, and two first reinforcing beads 430. The front cross member 410 is disposed in a horizontal direction, and an axis of the front cross member 410 is perpendicular to an axis of the longitudinal member 100. The two side plates 420 are spaced apart from each other and fixed to the front cross member 410, respectively, and the fixing manner may be welding. The ends of the two side plates 420 far away from the front cross member 410 are respectively in one-to-one correspondence with the two first ends 110 and detachably connected, and the detachable connection mode may be a bolt connection. The two first reinforcing ribs 430 are positioned between the two side plates 420, one end of the first reinforcing rib 430 is welded to the front cross member 410, and the other end of the first reinforcing rib 430 is welded to the side plates 420.

Before the front section assembly 400 is installed, the front cross member 410, the side plates 420 and the reinforcing bars are welded together as required in advance. When the front section assembly 400 is installed, the side plates 420 can be directly connected to the side members 100 by standard members such as bolts. When needing to be overhauled and dismantling, can separate curb plate 420 and longeron 100 through dismantling the bolt, accomplish the dismantlement and the installation of anterior segment subassembly 400 fast.

FIG. 5 is a schematic structural view of a front section assembly and a stringer according to some embodiments of the present application. Fig. 6 shows an enlarged view of a portion a of the implementation shown in fig. 5. As shown with reference to fig. 5 and 6. The side plate 420 includes: a fixing portion 421 and a connecting portion 422. The fixing portion 421 is detachably connected to the first end 110. And the connecting portion 422 is connected to the fixing portion 421, and one end of the connecting portion 422 away from the fixing portion 421 is connected to the front beam 410. Specifically, the connection portion 422 and the fixing portion 421 may be integrally formed or welded, the fixing portion 421 is detachably connected to the first end 110 by a bolt, the connection portion 422 is connected to the front cross member 410 by a bolt, or the connection portion 422 and the front cross member 410 may be connected together.

Referring to fig. 3 and 6, an end of the connection portion 422 away from the fixing portion 421 extends obliquely upward. Alternatively, one end of the connection portion 422 away from the fixing portion 421 extends obliquely downward. Specifically, the position of the front cross member 410 varies depending on the extending direction of the connecting portion 422. When the connecting portion 422 extends obliquely upward, the front beam 410 is located above the fixing portion 421. When the connecting portion 422 extends obliquely downward, the front beam 410 is located below the fixing portion. The relative position between the front cross member 410 and the fixing portion 421 can be selected according to the installation space of the entire vehicle frame.

Referring to fig. 6, a connecting shaft 800 may be fixed between the two longitudinal beams 100, for example, two ends of the connecting shaft 800 are respectively fixed to opposite sides of the two longitudinal beams 100 by a seat and a bolt, so as to improve the connecting strength between the two longitudinal beams 100.

Referring to fig. 1, the frame arrangement further includes a pillar beam 500. One end of the tubular column beam 500 is fixedly connected with one of the longitudinal beams 100, the other end of the tubular column beam 500 is fixedly connected with the other longitudinal beam 100, and the tubular column beam 500 has a recessed structure which is located between the two longitudinal beams 100.

By providing the pillar beam 500, a space for mounting the engine is enclosed by the recessed structure of the pillar beam 500 and the two longitudinal beams 100. Meanwhile, the connection strength between the two longitudinal beams 100 can be improved by the pipe column beam 500.

Fig. 7 is a schematic diagram of a tubular string beam according to some embodiments of the present application. Referring to fig. 7, the pipe string beam 500 includes two end plates 510, two connectors 520, an elbow 530, and a reinforcement 540. Each end plate 510 is connected to a corresponding stringer 100. Each connector 520 is connected to a corresponding end plate 510. One end of the bent tube 530 is connected to one of the connectors 520, and the other end of the bent tube 530 is connected to the other connector 520. The bent pipe 530 is bent downward to form a concave structure. A stiffener 540 is disposed on the end plate 510, the stiffener 540 being positioned below the elbow 530 and fixedly attached to the elbow 530.

The elbow 530 is smoothly fixed between the two longitudinal beams 100 by providing two end plates 510 and two connecting members 520. And the downward bending of the bent pipe 530 smoothly forms a concave structure, so that an installation space of the engine is smoothly formed between the bent pipe 530 and the two longitudinal beams 100. The reinforcing member 540 may effectively reinforce the strength of the connection between the bent pipe 530 and the end plate 510.

Fig. 8 is a schematic structural view of a connecting assembly according to some embodiments of the present disclosure. Referring to fig. 8, the connecting assembly 200 includes a fixing beam 210, two upper fixing plates 220, and two lower fixing plates 230. The fixed beam 210 is located between two upper fixing plates 220, one end of each upper fixing plate 220 is connected to the fixed beam 210, and the other end of each upper fixing plate 220 is connected to the longitudinal beam 100. One end of the lower fixing plate 230 is connected to the fixing beam 210, the other end of the lower fixing plate 230 is connected to the longitudinal beam 100, the two lower fixing plates 230 are in one-to-one correspondence with the two upper fixing plates 220, and the upper fixing plates 220 are located above the lower fixing plates 230.

When the connecting assembly 200 is installed, the two upper fixing plates 220 and the two lower fixing plates 230 are fixed to the fixing beam 210 to form the connecting assembly 200, and then the upper fixing plates 220 and the lower fixing plates 230 are fixed to the longitudinal beam 100. In the installation process of the connection assembly 200, all the components can be installed and fixed by adopting standard components such as bolts and the like.

Referring to fig. 1, in some embodiments of the present application, the frame assembly further includes a suspension bracket 600 and a tail light bracket 700. The suspension bracket 600 is provided on the side member 100, and the suspension bracket 600 is used for mounting a suspension system on a vehicle, wherein the suspension bracket 600 includes a balanced suspension bracket 600 and an air suspension bracket 600, and the balanced suspension bracket 600 and the air suspension bracket 600 are both provided at the middle rear section of the vehicle frame device. Tail light bracket 700 is disposed at second end 120 of longitudinal beam 100.

The suspension system of the vehicle is fixed to the frame device by the suspension bracket 600, so that the space utilization rate of the whole frame device is further improved.

Exemplary concrete Pump truck

The concrete pump truck comprises a cab, an engine, an upper mounting structure and a frame device as described in any one of the embodiments. The cab is disposed at a first end 110 of the frame arrangement. The engine is disposed on the frame assembly and is located between the attachment assembly 200 and the first end 110. The mounting structure is disposed on the frame assembly and the mounting structure is disposed proximate the second end 120 of the frame assembly.

Through this frame device, when overall arrangement driver's cabin, engine and facial make-up structure, through setting up the frame device to high after low before, the narrow travel after the preceding width, sink the driver's cabin and arrange to arrange the engine in the rear of driver's cabin, the facial make-up structure directly sets up on the frame device simultaneously, then need not install the sub vehicle frame, with this rationality that improves whole car overall arrangement.

Since the concrete pump truck is provided with the frame device, the concrete pump truck has all the technical effects of the frame device, and the detailed description is omitted.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims (15)

1. A frame arrangement, characterized in that the frame arrangement comprises:

two longitudinal beams (100), the two longitudinal beams (100) being oppositely arranged, the longitudinal beams (100) having opposite first ends (110) and second ends (120);

the connecting assembly (200) is located between the first end (110) and the second end (120), the connecting assembly (200) is connected with the two longitudinal beams (100) respectively, and an avoidance space is formed at the bottom of the connecting assembly (200); and

a first beam assembly (300) disposed between the connection assembly (200) and the second end (120);

wherein the first beam assembly (300) comprises:

the two connecting beams (310) are respectively in one-to-one correspondence with and connected with the two longitudinal beams (100); and

a middle beam (320) disposed between the two connection beams (310).

2. A frame arrangement according to claim 1, characterized in that the centre beam (320) comprises:

one end of the backrest beam (321) is fixedly connected with one of the connecting beams (310), and the other end of the backrest beam (321) is fixedly connected with the other connecting beam (310); and

the backrest comprises a second cross beam (322), the second cross beam (322) and the backrest beam (321) are arranged oppositely and fixedly connected, one end of the second cross beam (322) is fixedly connected with one of the connecting beams (310), and the other end of the second cross beam (322) is fixedly connected with the other connecting beam (310).

3. A frame arrangement according to claim 2, characterized in that the connection beam (310) comprises:

an upper connecting plate (311) positioned above the backrest beam (321), wherein the bottom wall of the upper connecting plate (311) is abutted against the top wall of the backrest beam (321); and

and the lower connecting plate (312) is positioned below the backrest beam (321), the lower connecting plate (312) is arranged opposite to the upper connecting plate (311), and the top wall of the lower connecting plate (312) is abutted against the bottom wall of the backrest beam (321).

4. A frame arrangement according to claim 3, characterized in that the backrest beam (321) comprises:

one side of the third cross beam (3211) is abutted against one side of the connecting beam (310), and the third cross beam (3211) is fixedly connected with the upper connecting plate (311) and the lower connecting plate (312) respectively; and

and the reinforcing plate (3212) is fixed to one side, away from the second cross beam (322), of the third cross beam (3211).

5. The frame arrangement of claim 1, wherein a top surface of said first end (110) is lower than a top surface of said second end (120).

6. A frame arrangement according to claim 5, characterized in that the distance between two of said first ends (110) is larger than the distance between two of said second ends (120).

7. The frame arrangement of any of claims 1 to 6, further comprising:

a front section assembly (400), wherein the front section assembly (400) is detachably connected with the two first ends (110) respectively.

8. The frame arrangement of claim 7, wherein said forward section assembly (400) comprises:

a front cross member (410);

the two side plates (420) are spaced from each other and are respectively connected with the front cross beam (410), and one ends, far away from the front cross beam (410), of the two side plates (420) are in one-to-one correspondence with the two first ends (110) and are detachably connected with the first ends; and

the two first reinforcing ribs (430) are positioned between the two side plates (420), the two first reinforcing ribs (430) are respectively connected with the front cross beam (410), and the first reinforcing ribs (430) are connected with the side plates (420) on the corresponding sides.

9. The frame arrangement of claim 8, wherein said side plate (420) comprises:

a fixed portion (421) detachably connected to the first end (110); and

the connecting part (422) is connected with the fixing part (421), and one end, far away from the fixing part (421), of the connecting part (422) is connected with the front cross beam (410).

10. A frame arrangement according to claim 9, characterized in that the end of the connecting portion (422) remote from the fixing portion (421) extends obliquely upwards; and/or

One end, far away from the fixing part (421), of the connecting part (422) extends obliquely downwards.

11. The frame arrangement of any of claims 1 to 6, further comprising:

the pipe column comprises a pipe column beam (500), one end of the pipe column beam (500) is fixedly connected with one of the longitudinal beams (100), the other end of the pipe column beam (500) is fixedly connected with the other longitudinal beam (100), and the pipe column beam (500) is provided with a concave structure which is positioned between the two longitudinal beams (100).

12. A frame arrangement according to claim 11, characterized in that the tube column beam (500) comprises:

two end plates (510), wherein each end plate (510) is correspondingly connected with one longitudinal beam (100);

two connectors (520), each connector (520) is connected with one end plate (510);

an elbow (530) having one end connected to one of the connectors (520), the other end of the elbow (530) being connected to the other connector (520);

wherein the bent tube (530) is bent downward to form the concave structure; and

a reinforcement member (540) disposed on the end plate (510), the reinforcement member (540) being located below the bent pipe (530) and fixedly connected to the bent pipe (530).

13. The frame arrangement according to any of claims 1 to 6, characterized in that the connection assembly (200) comprises:

a fixed beam (210);

one end of each upper fixing plate (220) is connected with the corresponding fixing beam (210), and the other end of each upper fixing plate (220) is connected with the corresponding longitudinal beam (100); and

one end of each lower fixing plate (230) is connected with the corresponding fixing beam (210), the other end of each lower fixing plate (230) is connected with the corresponding longitudinal beam (100), and the two lower fixing plates (230) correspond to the two upper fixing plates (220) one to one.

14. The frame arrangement of any of claims 1 to 6, further comprising:

a suspension bracket (600) provided on the side member (100); and/or

A tail light bracket (700) disposed at the second end (120).

15. A concrete pump truck, characterized in that, concrete pump truck includes:

a frame arrangement as claimed in any one of claims 1 to 14;

a cab connected to a first end (110) of the frame arrangement;

an engine coupled to the frame assembly and located between the coupling assembly (200) and the first end (110); and

and the upper mounting structure is connected with the frame device.

Images