CN118810938B - Modularized assembled aluminum alloy carriage - Google Patents

Abstract

The invention discloses a modularized assembled aluminum alloy carriage, and relates to the technical field of aluminum alloy carriages; the front carriage, the side carriage and the rear carriage comprise bottom frame beams positioned at the lowest part, two adjacent bottom frame beams are installed in a positioning and clamping manner through clamping assemblies, a plurality of vertical beam frames are installed on each bottom frame beam in a threaded manner, and an upper frame beam is installed between the corresponding vertical beam frames in a clamping manner; the connecting frames are installed between the corresponding two bottom frame beams through the strength increasing members, the joint positions of the connecting frames, the bottom frame beams and the upper frame beams are in threaded connection, and a plurality of top frames are fixedly installed between the two upper frame beams at the left side and the right side in threaded connection. The advantages are that: the aluminum alloy carriage is assembled in a modularized assembly mode, so that the aluminum alloy carriage has the advantage of high assembly speed, and the carriages on two sides can form a firm carriage with the front carriage, the rear carriage and the bottom plate frame quickly, so that the capability requirement on assembly personnel is reduced while the assembly quality is ensured.

Description

Modularized assembled aluminum alloy carriage

Technical Field

The invention relates to the technical field of aluminum alloy carriages, in particular to a modularized assembled aluminum alloy carriage.

Background

The aluminum alloy carriage has the advantages of light weight, weight reduction, collision resistance, safety, high recovery value and the like, and is used as a raw material by more and more manufacturers at present; the existing aluminum alloy carriage, the carriage body frame aluminum profile is connected with parts such as side parts, front parts and bottom parts in a welding mode, high-skill workers are needed for welding to ensure welding quality and strength, and once welding defects occur, the repairing cost is high; meanwhile, the strength of the aluminum alloy welding heat affected zone is greatly reduced, and the aluminum alloy welding heat affected zone has larger welding deformation, so that a lighter and thinner structure cannot be adopted, and the weight reduction of carriage parts is not facilitated; to this end, we propose a modular fabricated aluminum alloy car to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a modularized assembled aluminum alloy carriage.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the modular assembled aluminum alloy carriage comprises a front carriage, a rear carriage, a bottom plate frame and two side carriages, wherein the front carriage, the side carriages and the rear carriage comprise bottom frame beams positioned at the lowest part, two adjacent bottom frame beams are installed in a positioning and clamping manner through clamping assemblies, a plurality of vertical beam frames are installed on each bottom frame beam in a threaded manner, and an upper frame beam is installed between the corresponding vertical beam frames in a joint manner;

The connecting frames are arranged between the corresponding two bottom frame beams through strength increasing members, the joint parts of the connecting frames, the bottom frame beams and the upper frame beams are in threaded connection, a plurality of top frames are fixedly arranged between the two upper frame beams at the left side and the right side in a threaded manner, the top frames are also arranged on the upper frame beams at the front side and the rear side through first threaded blocks, and clamping fixing assemblies are arranged between the adjacent two upper frame beams and the corresponding first threaded blocks;

connecting members are arranged between the upper frame beams and the corresponding strength increasing structures at the front side and the rear side;

The bottom plate frame comprises a plurality of vertical supporting frames and a plurality of bottom plates, wherein a plurality of placing grooves matched with the vertical supporting frames are formed in bottom frame beams positioned on the front side and the rear side, a plurality of sliding grooves are formed in the vertical supporting frames, a transverse supporting frame is correspondingly arranged in a sliding mode through the sliding grooves, a plurality of reinforcing blocks are fixedly arranged on the transverse supporting frames and two bottom frame beams positioned on the left side and the right side through the matching of threaded through holes and fixing screws, supporting grooves matched with the transverse supporting frames are formed in the reinforcing blocks, and a plurality of bottom plates are fixedly arranged on the vertical supporting frames and the bottom frame beams on the left side and the right side through a plurality of tapping screws;

The front side and the rear side of the bottom frame beams are clamped and provided with shielding plates, the left side and the right side of the bottom frame beams are clamped and provided with a plurality of shielding plates, the vertical beam frames at the left side and the right side are provided with a clamping cross beam through stabilizing members, the lower surfaces of the clamping cross beams and the two sides of the vertical beam frames are provided with clamping placing grooves, and the shielding plates are clamped in the corresponding clamping placing grooves;

the clamping assembly comprises clamping blocks and clamping grooves, two ends of each bottom frame beam are inclined planes, one inclined plane of each bottom frame beam is fixedly provided with the clamping block, and the other inclined plane is provided with the clamping groove matched with the clamping block in size;

The strength increasing member comprises a supporting beam, mounting beams and mounting grooves, wherein the two end parts of each bottom frame beam are fixedly provided with one supporting beam through threads, two mounting beams are fixedly arranged in the connecting frame, and the lower surfaces of the two mounting beams are provided with the mounting grooves matched with the supporting beams;

the connecting member comprises positioning blocks, positioning grooves and circular thread grooves, wherein the circular thread groove matched with the first thread block is formed in the upper end of one mounting beam, the positioning groove is formed in the upper end of the other mounting beam, and the positioning blocks matched with the positioning grooves are fixedly arranged at the front side and the rear side of the upper frame beam.

In the above-mentioned modular assembled aluminum alloy carriage, chucking fixed subassembly includes bar groove one, bar groove two, cardboard, perforation, is located two of controlling the both sides of going up the frame roof beam all have seted up a bar groove one, are located the front and back both sides go up the both ends part of frame roof beam all have seted up one with bar groove one matched with bar groove two, a cardboard is installed to joint between corresponding bar groove one and the bar groove two, the perforation with screw thread piece one matched with is seted up to the one end of cardboard.

In the modular assembled aluminum alloy carriage, the lengths of the two ends of the top frame right above the vertical beam frame are larger than those of the two ends of the top frames on the two sides of the vertical beam frame, and round grooves matched with the lower parts of the top frames are formed in the upper end parts of the corresponding vertical beam frames.

In the modular assembled aluminum alloy carriage, two ends of the transverse supporting frame are flat sections, a plurality of flat sections are also arranged in the middle of the transverse supporting frame at equal intervals, the upper surface of each flat section is flush with the upper surface of the vertical supporting frame, the upper surface of the vertical supporting frame is flush with the upper surface of the bottom frame beam, two adjacent flat sections are symmetrically arranged inclined sections, two sides of each inclined section are inclined, and the middle position of each inclined section is horizontally arranged.

In the above-mentioned modular assembled aluminum alloy carriage, stabilizing member includes horizontal piece, locking frame, connecting block, screw thread roof beam, is located the position of left and right sides the even integrated into one piece in vertical beam frame both sides has the locking frame, every all block installs the block on the locking frame, corresponding two common fixed mounting has a horizontal piece between the block, every the equal fixed mounting in one side of block has the connecting block, every screw thread installs a screw thread roof beam on the connecting block, and offered on the block crossbeam with screw thread roof beam matched with screw thread card hole.

In the modular assembled aluminum alloy carriage, each clamping cross beam is fixedly provided with a vertical frame, one side, away from the clamping cross beam, of the vertical frame is positioned on the same vertical plane with the outer side of the vertical beam frame, the inner side of the vertical frame is attached to the shielding plate, and the corresponding underframe beam is provided with a clamping vertical groove matched with the vertical frame.

In the modular assembled aluminum alloy carriage, the front side of the front carriage is fixedly provided with a ladder frame through three threads of four thread blocks.

Compared with the prior art, the invention has the advantages that:

1: the aluminum alloy carriage is assembled in a modularized assembly mode, so that the aluminum alloy carriage has the advantage of high assembly speed, and the carriages on two sides can form a firm carriage with the front carriage, the rear carriage and the bottom plate frame quickly, so that the capability requirement on assembly personnel is reduced while the assembly quality is ensured.

2: Through the cooperation use of standing groove, vertical strut, spout, improved the installation effectiveness of this part in improving the bottom plate frame bearing capacity, through the cooperation use of boss simultaneously, further improve the firm degree of being connected between bottom plate frame and the both sides railway carriage or compartment.

3: Through the cooperation of last frame roof beam, supporting beam, installation roof beam, link, screw thread piece one, cardboard and location block, can effectively improve two adjacent underframe roof beams, two adjacent upper frame roof beams and be in the same vertical on the underframe roof beam and go up the firm degree of being connected between the frame roof beam, further improve the holistic firm degree in carriage.

Drawings

Fig. 1 is a schematic structural diagram of a modular assembled aluminum alloy compartment according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the structure of FIG. 2 from another view after the shielding plate is removed;

FIG. 4 is a schematic view of the top frame portion of FIG. 3 from another perspective;

FIG. 5 is a partial cross-sectional view of the junction of two adjacent bottom frame rails of FIG. 1;

FIG. 6 is a schematic view of the connection frame portion of FIG. 4 from another perspective;

FIG. 7 is a schematic view of the connection frame portion of FIG. 6 from another perspective;

FIG. 8 is a schematic view of the structure of FIG. 3 with the structures above the bottom plate removed and with one view from the bottom plate removed;

FIG. 9 is an exploded view of a portion of the single transverse and vertical braces of FIG. 8;

FIG. 10 is a schematic view of the reinforcement block of FIG. 8 from another perspective.

In the figure: 1. a front compartment; 2. a side carriage; 3. a rear compartment; 4. a chassis beam; 5. a clamping block; 6. a clamping groove; 7. a vertical beam frame; 8. a girder is put on the frame; 9. a support beam; 10. mounting a beam; 11. a connecting frame; 12. a top frame; 13. a first thread block; 14. a clamping plate; 15. a ladder frame; 16. a thread block III; 17. a mounting groove; 18. a positioning groove; 19. a placement groove; 20. a vertical support; 21. a chute; 22. a transverse strut; 23. a reinforcing block; 24. a support groove; 25. a threaded through hole; 26. self-tapping screw; 27. a bottom plate; 28. a transverse block; 29. a vertical frame; 30. a shielding plate; 31. a locking frame; 32. a connecting block; 33. a threaded beam.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-10, a modular assembled aluminum alloy carriage comprises a front carriage 1, a rear carriage 3, two side carriages 2 and a bottom plate frame, wherein the front carriage 1, the side carriages 2 and the rear carriage 3 comprise bottom frame beams 4 positioned at the lowest part, two adjacent bottom frame beams 4 are installed by matching a clamping block 5 and a clamping groove 6, two ends of each bottom frame beam 4 are inclined planes, one inclined plane is fixedly provided with the clamping block 5, and the other inclined plane is provided with the clamping groove 6 matched with the clamping block 5 in size; a plurality of vertical beam frames 7 are arranged on the plurality of underframe beams 4 in a threaded manner (the underframe beams 4 and the vertical beam frames 7 can be in a fixed state in the initial state in a welding manner, and the integral strength can be further ensured on the premise of not influencing transportation) (the number of the vertical beam frames 7 arranged at the corresponding positions of the rear carriage 3 can be reduced, and the door body is convenient to install);

An upper frame beam 8 is jointly clamped and installed above the corresponding vertical beam frame 7, and a plurality of clamping groove bodies matched with the upper ends of the vertical beam frames 7 are formed in each upper frame beam 8; one end of each underframe beam 4 is fixedly provided with a supporting beam 9 in a threaded manner, the length of the supporting beam 9 is smaller than that of the vertical beam frame 7, a connecting frame 11 is arranged between two adjacent underframe beams 4 in a threaded manner, each connecting frame 11 is internally fixedly provided with a mounting beam 10, and the mounting beam 10 is provided with a mounting groove 17 matched with the supporting beam 9.

Referring to fig. 1 to 10, a plurality of top frames 12 are fixedly mounted on the two upper frame beams 8 at left and right side positions in a clamping and threaded manner; specifically, a plurality of stepped holes are formed in two upper frame beams 8 positioned on the left side and the right side, the upper parts of the stepped holes are large and small, the lower dimensions of the stepped holes are matched with those of the lower ends of top frames 12, two threaded blocks II are arranged at the two ends of each top frame 12 in a threaded manner, and internal threads matched with the outer walls of the threaded blocks are arranged at the upper ends of the stepped holes in a separated manner; and the length of the two ends of the top frame 12 positioned right above the vertical beam frame 7 is greater than the length of the two ends of the top frames 12 on the two sides of the vertical beam frame 7, and the upper end part of the corresponding vertical beam frame 7 is separately provided with a circular groove matched with the lower part of the top frame 12, so that the top frame 12, the upper frame beam 8 and the vertical beam frame 7 further form a firm connection relationship (the lower ends of the rest top frames 12 are level with the lower end surfaces of the corresponding stepped holes).

Referring to fig. 1 to 10, two threaded holes are formed in the upper frame beams 8 positioned on the front side and the rear side, a first threaded block 13 is installed on each threaded hole in a threaded manner, a top frame 12 is installed on the corresponding first threaded block 13 (on the same upper frame beam 8) in a threaded manner, a circular threaded groove matched with the first threaded block 13 is formed in the corresponding mounting beam 10, the first threaded block 13 can be screwed on the top frame 12, and threads at the lower end penetrate through the threaded holes and are screwed in the circular threaded groove;

Two sides of the two upper frame beams 8 positioned at the left side and the right side are respectively provided with a first strip-shaped groove, two end parts of the upper frame beams 8 positioned at the front side and the rear side are respectively provided with a second strip-shaped groove matched with the first strip-shaped groove, a clamping plate 14 is jointly clamped and installed between the corresponding first strip-shaped groove and the second strip-shaped groove, and one end of the clamping plate 14 is provided with a perforation matched with a threaded hole;

the through hole can be provided with threads continuously matched with the threaded hole and the circular thread groove, so that the threaded fixing effect is generated between the first threaded block 13 and the clamping plate 14, or the through hole is smooth and is larger than the outer diameter of the first threaded block 13, and a circular chuck matched with the first threaded block 13 is required to be fixedly or rotatably arranged on the first threaded block 13; the effect of the screw-fit is shown in fig. 3, and thus the connection of the circular chuck is not shown; two ends of the upper frame beams 8 positioned on the front side and the rear side are fixedly provided with positioning blocks, and positioning grooves 18 matched with the positioning blocks are formed in the corresponding mounting beams 10.

Referring to fig. 1-10, four round holes are formed in the front carriage 1, a ladder frame 15 is mounted in a clamping manner by the four round holes, the end parts of the ladder frame 15 are all integrally formed with a round beam, the size of the round beam is smaller than that of the end part of the ladder frame 15, and the round beam is fixed on the front carriage 1 through three threads of a thread block 16 after passing through the corresponding round hole (the ladder frame 15 can be fixed on two corresponding vertical beam frames 7 through threads, and can also be directly mounted on a shielding plate 30 through threads).

Referring to fig. 1-10, the bottom frame beams 4 on the front and rear sides are provided with a plurality of placing grooves 19, a vertical support 20 is jointly clamped and installed between the corresponding two placing grooves 19 (the bottom plate frame comprises a vertical support 20, sliding grooves 21, a horizontal support 22 and a bottom plate 27), each vertical support 20 is provided with a plurality of sliding grooves 21 which are arranged at equal intervals, and a corresponding plurality of sliding grooves 21 are jointly clamped and installed with a horizontal support 22; the transverse strut 22 is integrally formed and arranged, the shape of the transverse strut 22 is integrally similar to a U shape (the transverse strut is rotated 90 degrees anticlockwise in use, namely, the transverse strut is in a state shown in fig. 9), two ends of the transverse strut 22 are in flat arrangement (flat sections), a plurality of flat sections are arranged at equal intervals in the middle, the upper surfaces of the flat sections of the parts are flush with the upper surfaces of the vertical struts 20, the upper surfaces of the vertical struts 20 are flush with the upper surfaces of the bottom frame beams 4, symmetrically arranged inclined sections are arranged between two adjacent flat sections, the inclined sections are similar to a V shape, but the middle positions of the inclined sections are provided with shorter flat arrangement parts, and the sliding installation of the transverse strut 22 on the sliding grooves 21 is facilitated.

Referring to fig. 1-10, a plurality of transverse supporting frames 22 and two bottom frame beams 4 positioned at the left side and the right side are fixedly provided with a plurality of reinforcing blocks 23 through the matching of threaded through holes 25 and fixing screws, the reinforcing blocks 23 are provided with supporting grooves 24 matched with the transverse supporting frames 22 for supporting the transverse supporting frames 22, the threaded through holes 25 are formed in the reinforcing blocks 23, meanwhile, the corresponding positions of the transverse supporting frames 22 and the bottom frame beams 4 are also provided with threaded grooves matched with the threaded through holes 25, and one end of each fixing screw is threaded through the threaded through holes 25 at first and is fixed on the corresponding threaded groove at last.

A plurality of bottom plates 27 are commonly arranged on the plurality of transverse supporting frames 22 and the two bottom frame beams 4 positioned at the left side and the right side, and the bottom plates 27 are also fastened with the transverse supporting frames 22 and the bottom frame beams 4 through a plurality of tapping screws 26 (groove bodies matched with the tapping screws 26 are arranged on the bottom plates 27, so that the tapping screws 26 are positioned at the same height with the upper surface of the bottom plates 27); the bottom plate 27 can be directly placed on the bottom frame beam 4 and the transverse support frame 22, or a strip-shaped sliding groove (the length of the strip-shaped sliding groove is the same as that of the transverse support frame 22) is formed on the transverse support frame 22 (the transverse support frame beam 4 can also be included), and then a plurality of strip-shaped sliding blocks matched with the strip-shaped sliding groove are integrally formed on the lower surface of the bottom plate 27, so that a certain positioning and placing effect is achieved; the end surface shape of the strip-shaped chute can also be set into an inverted T shape.

Referring to fig. 1-10, a shielding plate 30 is fixedly installed between the front and rear chassis beams 4 and the corresponding upper chassis beams 8 in a clamping manner (clamping placing grooves matched with the shielding plate 30 are formed on the chassis beams 4 and the upper chassis beams 8), at this time, the shielding plate 30 can be directly formed integrally, and meanwhile, when the shielding plate 30 is specifically arranged, a door body can be arranged on the shielding plate 30 on the rear carriage 3 (the shielding plate is installed in production); the bottom frame beams 4 on the left and right sides are also provided with a plurality of shielding plates 30 in a clamping way (a plurality of shielding plates are arranged because of the longer carriage length), and the height of the shielding plates 30 is lower than that of the shielding plates 30 on the front and rear sides (the shielding plates can be arranged to be the same, but the left and right side upper frame beams 8 are also required to be provided with matched clamping placing grooves at the moment); the upper end of each shielding plate 30 at the left side and the right side is provided with a clamping cross beam in a clamping way; meanwhile, the vertical beam frame 7 can be provided with a clamping placing groove matched with the shielding plate 30, and the corresponding positions of the front carriage 1 and the rear carriage 3 are also provided with clamping placing grooves matched with the shielding plate 30, so that the tightness of the shielding plate 30 during placement is ensured (after installation, the sealing effect can be further ensured by gluing or arranging sealing rubber strips at the joint).

Each clamping cross beam is fixedly provided with a vertical frame 29, one side (outer side) of the vertical frame 29 away from the clamping cross beam is positioned on the same vertical plane with the outer side of the vertical beam frame 7, the inner side of the vertical frame 29 is attached to the shielding plate 30, and meanwhile, clamping vertical grooves (communicated with clamping placing grooves) matched with the vertical frame 29 can be formed in the corresponding bottom frame beam 4.

Referring to fig. 1-10, locking frames 31 are integrally formed on two sides of a vertical beam frame 7 at left and right sides, each locking frame 31 is provided with a clamping block in a clamping manner, a transverse block 28 is fixedly arranged between the corresponding two clamping blocks, one side of each clamping block is fixedly provided with a connecting block 32, a threaded beam 33 is arranged on the connecting block 32 in a threaded manner, and a threaded clamping hole matched with the threaded beam 33 is formed in the clamping beam.

When in use, the rain-proof cloth can be directly hung on the top frame 12, or a ceiling (not shown in the figure) is additionally arranged according to the requirement, an arc-shaped groove body matched with the top frame 12 is arranged on the ceiling, then the lower surface of the ceiling is integrally formed and fixed with a locking piece (such as a lug, and then the locking piece is fixed between the lug and the corresponding top frame 12 in a screw mode, etc.);

When the shielding plates 30 on the left side and the right side are arranged to be consistent with the whole height of the carriage (twice sealing), a group of shielding plates 30 can be additionally arranged on the basis of the shielding plates 30 originally arranged on the two sides (at the moment, the lower ends of the newly-arranged shielding plates 30 are clamped on the clamping cross beams, and the upper ends of the newly-arranged shielding plates are clamped on the upper frame beams 8).

Meanwhile, the bottom frame beams 4 at the left side and the right side can be formed by multi-section spliced beams, the adjacent spliced beams can be initially installed in a first clamping mode, then other fixing modes (such as screw thread fixing) are applied to the clamping positions, and the upper frame beams 8 at the left side and the right side can also be arranged in the same mode as the bottom frame beams 4 at the left side and the right side.

Further, the above-described fixed connection is to be understood in a broad sense, unless explicitly stated and defined otherwise, as being, for example, welded, glued, or integrally formed, as is well known to those skilled in the art.

The specific installation steps of the invention are as follows:

S1: firstly, installing one of the bottom frame beams 4 at the left side and the right side with the bottom frame beam 4 at the front side and the rear side, then, clamping and installing the vertical support frames 20 on the bottom frame beams 4 at the front side and the rear side, then, installing a plurality of transverse support frames 22 in sequence, and finally, installing the bottom frame beam 4 at the other left side and the right side;

S2: the reinforcing block 23 is put in place and then mounted by means of fixing screws;

s3: placing a plurality of bottom plates 27 in sequence, and then fixing the bottom plates by self-tapping screws 26;

s4: sequentially installing a plurality of vertical beam frames 7, then installing the installation beams 10, and then installing the connecting frames 11;

S5: placing the shielding plates 30 on the front side and the rear side, then installing the upper frame beams 8 on the two sides, placing the shielding plates 30 on the bottom frame beams 4 on the left side and the right side, and then installing the clamping cross beams;

s6: the top frame 12 is installed, the clamping plate 14 is required to be placed during installation, and finally the ladder frame 15 is installed.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a modularization assembled aluminum alloy carriage, includes front carriage (1), back carriage (3), bottom plate frame and both sides railway carriage or compartment (2), its characterized in that, front carriage (1), side railway carriage or compartment (2), back railway carriage or compartment (3) all include are located bottom frame roof beam (4) below, and pass through block subassembly location block installation between two adjacent bottom frame roof beams (4), every all screw thread is installed on bottom frame roof beam (4) a plurality of vertical beam frame (7), corresponding joint installs between vertical beam frame (7) an upper frame roof beam (8);

A connecting frame (11) is arranged between the corresponding two bottom frame beams (4) through a strength increasing member, the joint parts of the connecting frame (11) and the bottom frame beams (4) and the upper frame beams (8) are in threaded connection, a plurality of top frames (12) are fixedly arranged between the two upper frame beams (8) at the left side and the right side in a threaded manner, the top frames (12) are also arranged on the upper frame beams (8) at the front side and the rear side through a first threaded block (13), and a clamping and fixing assembly is arranged between the adjacent two upper frame beams (8) and the corresponding first threaded block (13);

connecting members are arranged between the upper frame beams (8) on the front side and the rear side and the corresponding strength increasing structures;

The floor frame comprises a plurality of vertical supporting frames (20) and a plurality of bottom plates (27), wherein a plurality of placing grooves (19) matched with the vertical supporting frames (20) are formed in the floor frame beams (4) positioned at the front side and the rear side, a plurality of sliding grooves (21) are formed in the vertical supporting frames (20), a transverse supporting frame (22) is arranged in a sliding mode corresponding to the sliding grooves (21), a plurality of reinforcing blocks (23) are fixedly arranged on the transverse supporting frames (22) and the two floor frame beams (4) positioned at the left side and the right side through threaded through holes (25) and matched with fixing screws, supporting grooves (24) matched with the transverse supporting frames (22) are formed in the reinforcing blocks (23), and a plurality of bottom plates (27) are fixedly arranged on the vertical supporting frames (20) and the floor frame beams (4) at the left side and the right side through a plurality of tapping screws (26);

A shielding plate (30) is clamped and installed between the bottom frame beams (4) and the corresponding upper frame beams (8) on the front side and the rear side, a plurality of shielding plates (30) are also clamped and installed between the bottom frame beams (4) and the corresponding upper frame beams (8) on the left side and the right side, a plurality of vertical beam frames (7) at the left side and the right side are all provided with a clamping cross beam through stabilizing members, the lower surfaces of the clamping cross beams and the two sides of the vertical beam frames (7) are all provided with clamping placing grooves, and the shielding plates (30) are clamped in the corresponding clamping placing grooves;

The clamping assembly comprises clamping blocks (5) and clamping grooves (6), two ends of each chassis beam (4) are inclined planes, one inclined plane of each chassis beam (4) is fixedly provided with the clamping block (5), and the other inclined plane is provided with the clamping groove (6) matched with the clamping block (5) in size;

the strength increasing member comprises a supporting beam (9), mounting beams (10) and mounting grooves (17), wherein the two end parts of each chassis beam (4) are fixedly provided with one supporting beam (9) through threads, two mounting beams (10) are fixedly arranged in the connecting frame (11), and the lower surfaces of the two mounting beams (10) are provided with the mounting grooves (17) matched with the supporting beams (9);

The connecting member comprises positioning blocks, positioning grooves (18) and circular thread grooves, wherein the circular thread groove matched with the first thread block (13) is formed in the upper end of one mounting beam (10), the positioning grooves (18) are formed in the upper end of the other mounting beam (10), and the positioning blocks matched with the positioning grooves (18) are fixedly arranged at the front end and the rear end of the upper frame beam (8).

2. The modular assembled aluminum alloy carriage according to claim 1, wherein the clamping and fixing assembly comprises a first strip-shaped groove, a second strip-shaped groove, clamping plates (14) and through holes, the first strip-shaped groove is formed in two sides of the upper frame beams (8) at left and right positions, the second strip-shaped groove matched with the first strip-shaped groove is formed in two end portions of the upper frame beams (8) at front and rear sides, the clamping plates (14) are installed between the first strip-shaped groove and the second strip-shaped groove in a clamping mode, and the through holes matched with the first threaded blocks (13) are formed in one end of each clamping plate (14).

3. The modular assembled aluminum alloy carriage according to claim 1, wherein the lengths of the two ends of the top frame (12) right above the vertical beam frame (7) are larger than the lengths of the two ends of the top frames (12) on the two sides of the vertical beam frame (7), and circular grooves matched with the lower parts of the top frames (12) are formed in the upper end parts of the corresponding vertical beam frames (7) in a separated mode.

4. The modular assembled aluminum alloy carriage according to claim 1, wherein two ends of the transverse supporting frame (22) are flat sections, a plurality of flat sections are also arranged in the middle of the transverse supporting frame (22) at equal intervals, the upper surface of each flat section is flush with the upper surface of the vertical supporting frame (20), the upper surface of the vertical supporting frame (20) is flush with the upper surface of the bottom frame beam (4), the two adjacent flat sections are symmetrically arranged inclined sections, two sides of each inclined section are inclined, and the middle position of each inclined section is horizontal.

5. The modular assembled aluminum alloy carriage according to claim 1, wherein the stabilizing member comprises transverse blocks (28), locking frames (31), connecting blocks (32) and threaded beams (33), the locking frames (31) are uniformly formed on two sides of the vertical beam frames (7) at the left side and the right side, each locking frame (31) is provided with a clamping block in a clamping mode, one transverse block (28) is fixedly arranged between the corresponding two clamping blocks, one side of each clamping block is fixedly provided with a connecting block (32), one threaded beam (33) is arranged on each connecting block (32) in a threaded mode, and threaded clamping holes matched with the threaded beams (33) are formed in the clamping beams.

6. The modular assembled aluminum alloy carriage according to claim 5, wherein each clamping cross beam is fixedly provided with a vertical frame (29), one side of the vertical frame (29) away from the clamping cross beam is positioned on the same vertical plane with the outer side of the vertical beam frame (7), the inner side of the vertical frame (29) is attached to the shielding plate (30), and the corresponding bottom frame (4) is provided with a clamping vertical groove matched with the vertical frame (29).

7. A modular assembled aluminium alloy car according to claim 1, characterized in that the front side of the front car (1) is screwed with a ladder (15) by four screw blocks three (16).