Wide-body dumper cab platform suspension structure

Abstract

The utility model relates to the technical field of industrial and mining vehicle manufacturing, in particular to a cab platform suspension structure of a wide-body dumper, which comprises a frame, a hydro-pneumatic suspension support, a rear mounting support, an inclined support rod and a connecting bent plate, the hydro-pneumatic suspension support comprises a vertical piece and a horizontal piece, the vertical piece is screwed on the outer wall surfaces of the two sides of the frame, and the horizontal piece is screwed on the rear mounting support. The rear installation support comprises a bottom piece and an installation piece arranged at the connecting end, close to the frame, of the bottom piece, the connecting end of the bottom piece is in threaded connection with the corresponding horizontal piece, the threaded connection face is in the horizontal direction, the inclined supporting rod is integrally formed and obliquely supported between the corresponding vertical piece and the horizontal piece, one end of the inclined supporting rod is in threaded connection with the supporting end, away from the frame, of the horizontal piece, and the other end of the inclined supporting rod is in threaded connection with the installation piece. The other end of the inclined supporting rod is hinged to the bottom of the vertical piece, the connecting bent plate is integrally formed and stretches across the two rear installation supports, and the two ends of the connecting bent plate are in threaded connection with the installation pieces respectively. The technical problem that in the prior art, a wide-body dumper cab platform suspension connecting structure is too many in welding points, and consequently the anti-interference performance is poor is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of industrial vehicle manufacturing technology, concretely relates to a wide-body dump truck cab platform suspension structure. BACKGROUND

[0002] With the continuous promotion of wide-body dump trucks, the quality of wide-body dump truck products is continuously improved, iteratively upgraded, and the comfort and suspension installation structure reliability of the wide-body dump truck cab are required to be higher. With the improvement of the audience of wide-body dump trucks, with the improvement of the production of wide-body dump trucks, the production of vehicle parts is also correspondingly improved, so it is imperative to improve the manufacturability and structural reliability of other parts of the wide-body dump truck.

[0003] The wide-body dump truck is a flexible frame, the cab and the platform suspension are fixed on both sides of the frame, and the middle connecting support is connected. When the wide-body dump truck is loaded with goods for transportation, the frame will deform flexibly during the transportation process due to the ups and downs of the road, and with the deformation of the flexible frame, the middle connecting support of the cab and the platform rear suspension will be subjected to torsional stress, which is prone to weld cracking and even fracture or frame cracking.

[0004] As shown in Figure 1 When heavy loads are applied, the deflection deformation of the flexible frame 1 is generated due to the stress of the road unevenness on both sides of the frame beam, and the left oil-gas suspension support 2 and the right oil-gas suspension support 6 are connected to the side of the frame 1. The cab rear mounting bracket 3 is connected to the side of the left oil-gas suspension support 2, and the platform rear mounting bracket 5 is connected to the side of the right oil-gas suspension support 6. The deflection deformation of the attached frame is connected through the middle support 4, which is prone to cause cracking of the middle support 4, or the cab rear mounting bracket 3, or the platform rear mounting bracket 5. The left oil-gas suspension support 2, the cab rear mounting bracket 3, the middle support 4, and the platform rear mounting bracket 5 are all welded structures, and each piece of the left oil-gas suspension support 2 and the platform rear mounting bracket 5 is welded separately, which is prone to cracking, low production efficiency, and poor consistency of the welded structure product. SUMMARY

[0005] In order to solve the technical problem of too many welding points of the wide-body dump truck cab platform suspension connection structure in the prior art, the present application provides a wide-body dump truck cab platform suspension structure, which solves the above technical problems.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] The utility model provides a kind of wide-body dump truck cab platform suspension structure, comprising: frame;A pair of oil-gas suspension bracket, the oil-gas suspension bracket is integrally formed, including vertical sheet and horizontal sheet, the vertical sheet is screwed in the both sides outer wall surface of the frame;A pair of rear mounting bracket, the rear mounting bracket is connected on corresponding the oil-gas suspension bracket, and extend away from the frame, the rear mounting bracket includes integrally formed bottom sheet and the mounting piece being configured in the connecting end of the bottom sheet close to the frame, the connecting end of the bottom sheet is screwed with corresponding the horizontal sheet, and screwing surface is in horizontal direction;A pair of inclined struts, the inclined struts are integrally formed, the inclined struts are supported between corresponding the vertical sheet and the horizontal sheet, one end of the inclined struts is screwed in the support end of the horizontal sheet away from the frame, the other end of the inclined struts is hinged in the bottom of the vertical sheet;Connecting bent plate, the connecting bent plate is integrally formed and straddles between two the rear mounting bracket, two ends of the connecting bent plate are screwed with the mounting piece respectively.

[0008] Further, the vertical sheet of the oil-gas suspension bracket is formed with an overlapping sheet overlapping on the frame, the overlapping sheet is screwed on the frame, and the screwing surface is in the horizontal direction.

[0009] Further, the vertical sheet of the oil-gas suspension bracket is formed with a raised rib extending away from the bracket, and the raised rib is formed with a hinge hole hinged with the inclined strut.

[0010] Further, the bottom sheet of the rear mounting bracket is formed with a reinforcing rib protruding vertically after being bent once along the length direction.

[0011] Further, the mounting piece of the rear mounting bracket is formed with a matching part suitable for the shape of the connecting end of the bottom sheet, and the matching part is connected together by welding after being matched with the connecting end of the bottom sheet.

[0012] Further, the connecting bent plate is formed with a rib protruding vertically upward after being bent once along the length direction.

[0013] Based on the above technical solution, the utility model can achieve the following technical effects:

[0014] The wide-body self-unloading vehicle cab platform suspension structure of the utility model is integrally formed with the oil-gas suspension support, the connecting bent plate and the inclined support rod, the main body bottom sheet of the rear mounting support is also integrally formed, thereby avoiding the technical problems of weld cracking damage, low productivity, high cost and poor anti-interference performance caused by pure welding structure, and improving the screw joint of the oil-gas suspension support and the rear mounting support from the original vertical surface to the horizontal surface, so that the force after bearing can avoid the vertical shearing screw rod of the screw joint, the risk of screw rod fracture is avoided, the force after bearing acts on the screw joint surface in the horizontal direction, so that the overall structure is more stable, further, the inclined support rod is arranged between the oil-gas suspension support and the rear mounting support, which is used for strengthening the structure and increasing the overall bearing capacity, and the inclined support rod and the oil-gas suspension support are hinged, and the connection is not fixed, when the wide-body self-unloading vehicle encounters road bumps, the inclined support rod can generate movement unloading force and buffering at the hinge, and local fracture caused by the overall structure without unloading buffering point is avoided, and the anti-interference performance of the platform suspension structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the wide-body self-unloading vehicle cab platform suspension connection structure in the prior art;

[0016] Figure 2 It is a schematic view of the wide-body self-unloading vehicle cab platform suspension structure of the utility model;

[0017] Figure 3 It is a schematic view of the oil-gas suspension support of the wide-body self-unloading vehicle cab platform suspension structure of the utility model;

[0018] Figure 4 It is a schematic view of another view of the oil-gas suspension support of the wide-body self-unloading vehicle cab platform suspension structure of the utility model;

[0019] Figure 5 It is a schematic view of the rear mounting support of the wide-body self-unloading vehicle cab platform suspension structure of the utility model;

[0020] Figure 6 It is a schematic view of another view of the rear mounting support of the wide-body self-unloading vehicle cab platform suspension structure of the utility model;

[0021] Figure 7 It is a schematic view of the connecting bent plate of the wide-body self-unloading vehicle cab platform suspension structure of the utility model.

[0022] In the prior art:

[0023] 1-carriage;2-left oil-gas suspension support;3-cab rear mounting support;4-intermediate support;5-platform rear mounting support;6-right oil-gas suspension support.

[0024] In the utility model:

[0025] 100-Frame; 200-Gas / hydrostatic suspension bracket; 201-Vertical plate; 202-Horizontal plate; 203-Overlapping plate; 204-Protruding rib; 205-Hinge hole; 300-Rear mounting bracket; 301-Base plate; 302-Mounting component; 303-Reinforcing rib; 304-Matching part; 400-Diagonal brace; 500-Connecting bend plate; 501-Rib plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0027] like Figures 2-7 As shown, this utility model provides a suspension structure for a wide-body dump truck cab platform, including a frame 100, a pair of hydropneumatic suspension brackets 200, a pair of rear mounting brackets 300, a pair of diagonal braces 400, and a connecting bend plate 500. The hydropneumatic suspension brackets 200 are integrally formed and include a vertical piece 201 and a horizontal piece 202. The vertical piece 201 is screwed to the outer walls of both sides of the frame 100. The rear mounting brackets 300 are connected to the corresponding hydropneumatic suspension brackets 200 and extend away from the frame 100. The rear mounting brackets 300 include an integrally formed base plate 301 and a mounting plate disposed on the base plate. Mounting piece 302 is located near the connecting end of frame 100. The connecting end of bottom piece 301 is screwed to the corresponding horizontal piece 202, and the screwing surface is in the horizontal direction. Diagonal brace 400 is integrally formed and diagonally supported between the corresponding vertical piece 201 and horizontal piece 202. One end of diagonal brace 400 is screwed to the supporting end of horizontal piece 202 away from frame 100, and the other end of diagonal brace 400 is hinged to the bottom of vertical piece 201. Connecting bend plate 500 is integrally formed and spans between two rear mounting brackets 300. Both ends of connecting bend plate 500 are screwed to mounting piece 302 respectively.

[0028] In one specific embodiment of this utility model, an overlapping piece 203 is formed on the vertical piece 201 of the hydropneumatic suspension bracket 200, which overlaps the frame 100. The overlapping piece 203 is screwed onto the frame 100, and the screwing surface is in the horizontal direction, thereby improving the overall stability of the platform suspension structure.

[0029] In one embodiment of the utility model, the vertical piece 201 of the oil and gas suspension support 200 is formed with a raised rib 204 extending away from the support to enhance the load bearing capacity, and the raised rib 204 is formed with a hinge hole 205 hingedly connected with the inclined support rod 400.

[0030] In one embodiment of the utility model, the bottom piece 301 of the rear mounting support 300 is formed with a reinforcing rib 303 protruding vertically along the length direction after being bent once to enhance the load bearing capacity.

[0031] In one embodiment of the utility model, the mounting piece 302 of the rear mounting support 300 is formed with a matching part 304 matching the shape of the connecting end of the bottom piece 301, and the matching part 304 is connected with the connecting end of the bottom piece 301 by welding after being matched.

[0032] In one embodiment of the utility model, the connecting bent plate 500 is formed with a rib piece 501 protruding vertically upward along the length direction after being bent once on both sides, and the middle part of the connecting bent plate 500 is used for connection, and the rib piece 501 is used for strengthening the structural stability.

[0033] It should be understood that the above described embodiments are only used for explaining the utility model, and are not used for limiting the utility model. The obvious changes or variations derived from the spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A wide body dump truck cab platform suspension structure, characterized by, The utility model relates to a vehicle frame structure, comprising: a vehicle frame (100); a pair of hydro-pneumatic suspension supports (200) integrally formed, comprising vertical pieces (201) and horizontal pieces (202), the vertical pieces (201) are screwed on both sides of the outer wall surface of the vehicle frame (100); a pair of rear mounting supports (300) connected on the corresponding hydro-pneumatic suspension supports (200) and extending away from the vehicle frame (100), the rear mounting supports (300) comprising integrally formed bottom pieces (301) and mounting pieces (302) arranged on the connecting ends of the bottom pieces (301) close to the vehicle frame (100), the connecting ends of the bottom pieces (301) are screwed on the corresponding horizontal pieces (202) and the screwing surfaces are in the horizontal direction; a pair of diagonal struts (400) integrally formed, the diagonal struts (400) are diagonally supported between the corresponding vertical pieces (201) and horizontal pieces (202), one end of the diagonal struts (400) is screwed on the support end of the horizontal piece (202) away from the vehicle frame (100), the other end of the diagonal struts (400) is hinged on the bottom of the vertical piece (201); a connecting bent plate (500) integrally formed and spanning between the two rear mounting supports (300), the two ends of the connecting bent plate (500) are screwed on the mounting pieces (302) respectively.

2. The wide body dump truck cab platform suspension structure of claim 1, wherein, The vertical pieces (201) of the hydro-pneumatic suspension supports (200) are formed with overlapping pieces (203) overlapping on the vehicle frame (100), the overlapping pieces (203) are screwed on the vehicle frame (100) and the screwing surfaces are in the horizontal direction.

3. The wide body dump truck cab platform suspension structure of claim 1, wherein, The vertical pieces (201) of the hydro-pneumatic suspension supports (200) are formed with protruding ribs (204) extending away from the supports, the protruding ribs (204) are formed with hinge holes (205) hinged with the diagonal struts (400).

4. The wide body dump truck cab platform suspension structure of claim 1, wherein, The bottom pieces (301) of the rear mounting supports (300) are formed with reinforcing ribs (303) protruding in the vertical direction after being once bent along the length direction.

5. The wide body dump truck cab platform suspension structure of claim 1, wherein, The mounting pieces (302) of the rear mounting supports (300) are formed with matching parts (304) matching the shapes of the connecting ends of the bottom pieces (301), the matching parts (304) are connected together by welding after being matched with the connecting ends of the bottom pieces (301).

6. The wide body dump truck cab platform suspension structure of claim 1, wherein, The connecting bent plate (500) is formed with rib pieces (501) protruding upward in the vertical direction after being once bent along the length direction.

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