Frame of double-row scraper conveying self-dumping semitrailer

Abstract

The utility model discloses a frame of a double-row scraper conveying self-dumping semitrailer, which comprises an auxiliary frame and a main frame, the main frame is fixedly connected onto the auxiliary frame, the auxiliary frame comprises a left girder and a right girder, the left girder and the right girder are equal variable cross-section beams, a plurality of cross beams are fixedly connected between the left girder and the right girder, and the cross beams extend out of the outer sides of the left girder and the right girder; the main frame comprises a left side beam and a right side beam, the left side beam and the right side beam are connected through a plurality of transverse scales, longitudinal scales penetrate through the middles of the transverse scales to form a framework structure, and the left side beam, the right side beam and the longitudinal scales are welded to transverse beams on the auxiliary frame respectively. According to the frame of the double-row scraper conveying self-discharging semitrailer, two rows of scraper conveying chains can be installed, a discharging opening in the bottom is wider, the width of the discharging opening can exceed 1.7 m, the center-of-gravity position of the whole frame is relatively lower, transportation of water stabilizing materials, milling materials and other special road engineering materials is facilitated, and the discharging time is shorter.

Description

Technical Field

[0001] The utility model relates to a frame of a double-row scraper conveying dump semi-trailer, belonging to the field of road transportation equipment. Background Art

[0002] The single-row scraper conveyor dump semi-trailers currently used have a bottom width of the discharge port mostly in the range of 0.9 meters to 1.3 meters. The cross-section of the frame is wide at the top and narrow at the bottom, which has the following problems: 1) The center of gravity is relatively high, affecting the vehicle's driving stability; 2) When transporting special road engineering materials such as water-stabilized materials and milling materials, the materials are prone to compaction if not unloaded for a long time, making it impossible to unload the materials; 3) The cross-sectional area of ​​the discharge port is small, and the unloading time is relatively long. Summary of the Invention

[0003] In view of the above problems existing in the prior art, the utility model provides a frame of a double-row scraper conveying dump semi-trailer.

[0004] In order to achieve the above-mentioned object, the utility model adopts a double-row scraper conveyor dump semi-trailer frame, including a sub-frame and a main frame, wherein the main frame is fixedly connected to the sub-frame, and the sub-frame includes a left beam and a right beam, wherein the left beam and the right beam are beams of uniform cross-section, and a plurality of cross beams are fixedly connected between the left and right beams, and the cross beams extend outwards of the left and right beams;

[0005] The main frame includes a left beam and a right beam, and the left and right beams are connected by multiple horizontal beams in the middle, and a vertical beam runs through the middle of the horizontal beams to form a skeleton structure. The left beam, right beam and vertical beams are respectively welded to the horizontal beams on the sub-frame.

[0006] In some embodiments, a left conveying mechanism and a right conveying mechanism are respectively arranged on the left and right sides of the main frame;

[0007] Transversely arranged conveying shafts are respectively installed at the front and rear positions of the left and right conveying mechanisms, and the conveying shafts are connected to the left and right beams and the longitudinal beams through mounting seats.

[0008] In some embodiments, a scraper conveying chain is provided on the conveying shaft, and a transmission chain is further provided at one end of the conveying shaft, and the transmission chain is connected to the hydraulic motor through a transmission shaft.

[0009] In some embodiments, a first chain guard plate and a second chain guard plate are provided above the scraper conveyor chain. The first chain guard plate is installed on the sides of the left and right beams, and the second chain guard plate is installed on the longitudinal beam.

[0010] In some embodiments, there are two hydraulic motors, which are symmetrically arranged on the left and right sides of the mounting frame, and the mounting frame is located at the rear end of the main frame.

[0011] In some embodiments, the main frame is provided with an oblong hole for installing the mounting bracket.

[0012] In some embodiments, the horizontal rail is provided with a plurality of longitudinally arranged mounting plates, and a plurality of wear-resistant bottom plates are laid on the mounting plates.

[0013] In some embodiments, the left beam and the right beam are both bent plates, and multiple vertical reinforcing ribs are arranged on the outside along the length direction.

[0014] In some embodiments, side wall panels are provided on the left and right sides above the main frame, and the middle of the side wall panels is filled with thermal insulation material.

[0015] In some embodiments, a fixing frame for placing a hydraulic oil tank is provided at the front end of the main frame.

[0016] Compared with the existing technology, the frame of the double-row scraper conveyor dump semi-trailer of the utility model can be installed with two rows of scraper conveyor chains. The bottom discharge port is wider, and its width design can exceed 1.7 meters. The overall center of gravity of the frame is relatively lower, which is conducive to transporting special road engineering materials such as water-stabilized materials and milling materials, and the unloading time is shorter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0019] Figure 2 It is a side schematic diagram of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the auxiliary frame and the main frame of the utility model;

[0021] Figure 4 It is a schematic diagram of the rear side of the utility model;

[0022] In the figure: 1. Sub-frame, 2. Main frame, 3. Left beam, 4. Right beam, 5. Cross beam, 6. Left beam, 7. Right beam, 8. Horizontal scale, 9. Vertical scale, 10. Left conveying mechanism, 11. Right conveying mechanism, 12. Conveying shaft, 13. Mounting seat, 14. Mounting plate, 15. Wear-resistant bottom plate, 16. Scraper conveyor chain, 17. Transmission chain, 18. Transmission shaft, 19. Hydraulic motor, 20. Mounting frame, 21. Screw, 22. Vertical reinforcing rib plate, 23. Side wall plate, 24. First chain guard plate, 25. Second chain guard plate, 26. Fixed frame, 27. Hydraulic oil tank. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present application are described in detail below with the help of drawings and specific embodiments. It should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application, rather than limitations on the technical solutions of the present application. In the absence of conflict, the embodiments of the present application and the technical features in the embodiments can be combined with each other.

[0024] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; and direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0025] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0026] like Figure 1-Figure 4 As shown, a frame of a double-row scraper conveyor dump semi-trailer includes a sub-frame 1 and a main frame 2, wherein the main frame 2 is fixedly connected to the sub-frame 1;

[0027] The subframe 1 includes a left beam 3 and a right beam 4, both of which are beams of uniformly variable cross-sections. A plurality of crossbeams 5 are fixedly connected between the left and right beams, and the crossbeams 5 extend outwards of the left and right beams.

[0028] The main frame 2 includes a left beam 6 and a right beam 7, and the left and right beams are connected by multiple horizontal beams 8 in the middle. A vertical beam 9 runs through the middle of the horizontal beam 8. The left beam 6, the right beam 7, the horizontal beam 8 and the vertical beam 9 cooperate to form a skeleton structure. The left beam 6, the right beam 7 and the vertical beam 9 are respectively welded to the horizontal beam 5 on the subframe 1.

[0029] In some embodiments, as Figure 4 As shown, a left conveying mechanism 10 and a right conveying mechanism 11 are respectively arranged on the left and right sides of the main frame 2; a transversely arranged conveying shaft 12 is respectively installed at the front and rear positions of the left and right conveying mechanisms, and the conveying shaft 12 is connected to the left and right side beams and the longitudinal scale 9 through a mounting seat 13. A bearing is provided inside the mounting seat 13 so that the conveying shaft 12 can rotate on the mounting seat 13.

[0030] In some embodiments, as Figure 4 As shown, a scraper conveyor chain 16 is provided on the conveying shaft 12, and the scraper conveyor chain 16 is in contact with the wear-resistant bottom plate 15; a transmission chain 17 is also provided at one end of the conveying shaft 12, and the transmission chain 17 is connected to the hydraulic motor 19 through the transmission shaft 18, and is driven by the hydraulic motor 19, and is transmitted through the transmission shaft 18 and the transmission chain 17, thereby driving the conveying shaft 12 and the scraper conveyor chain 16 to rotate.

[0031] In some embodiments, a first chain guard plate 24 and a second chain guard plate 25 are provided above the scraper conveyor chain 16. The first chain guard plate 24 is respectively installed on the sides of the left and right beams by bolts, and the second chain guard plate 25 is installed on the vertical scale 9 by bolts. On the one hand, the first and second chain guard plates can prevent materials from falling into the gap in the middle of the chain and contaminating and wearing the chain, thereby protecting the scraper conveyor chain. On the other hand, they can limit the chain from lifting upward, so that the scraper conveyor chain 16 and the wear-resistant bottom plate 15 continue to maintain a fit state, which is conducive to the transportation of materials.

[0032] In some specific embodiments, the number of the hydraulic motors 19 is two, and the two hydraulic motors 19 are symmetrically arranged on the left and right on the mounting frame 20. The rotation of the two hydraulic motors 19 can be controlled individually or simultaneously. The mounting frame 20 is located at the rear end of the main frame 2. The main frame 2 is provided with an oblong hole for installing the mounting frame 20. The position of the mounting frame 20 can be moved forward and backward for tensioning the transmission chain 17. The mounting frame 20 is tightened by a screw 21.

[0033] In some embodiments, as Figure 1 、 Figure 3 As shown, a plurality of longitudinally arranged mounting plates 14 are provided on the horizontal scale 8 , a plurality of wear-resistant bottom plates 15 are laid on the mounting plates 14 , and the wear-resistant bottom plates 15 are fixed to the mounting plates 14 by bolts.

[0034] In some embodiments, as Figure 1 As shown, the left beam 6 and the right beam 7 are both bent plates, and multiple vertical reinforcing ribs 22 are provided on the outside along the length direction to improve the overall structural strength.

[0035] In some embodiments, as Figure 2 As shown, side wall panels 23 are provided on the left and right sides above the main frame 2, and the middle of the side wall panels 23 is filled with insulation material, so that the carriage has good insulation capacity and is suitable for the transportation condition of hot asphalt mixture.

[0036] In some embodiments, as Figure 2 As shown, a fixing frame 26 is provided at the front end of the main frame 2 for placing a hydraulic oil tank 27 .

[0037] The frame of the double-row scraper conveyor dump semi-trailer of the utility model can be installed with two rows of scraper conveyor chains. The bottom discharge port is wider, and its width design can exceed 1.7 meters. The overall center of gravity of the frame is relatively lower, which is conducive to transporting special road engineering materials such as water-stabilized materials and milling materials, and the unloading time is shorter.

[0038] In the description provided herein, numerous specific details are described. However, it is understood that embodiments of the present invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques are not shown in detail so as not to obscure the understanding of this description.

[0039] Furthermore, those skilled in the art will appreciate that, although some embodiments described herein include certain features included in other embodiments but not other features, combinations of features from different embodiments are also intended to fall within the scope of protection of the present invention and form different embodiments. For example, in the above embodiments, those skilled in the art will be able to use them in combination based on the known technical solutions and the technical problems to be solved by this application.

[0040] The above description is merely a preferred embodiment and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments using the above technical content without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the solution of the present invention.

Claims

1. A frame for a double-row scraper conveyor dump trailer, comprising a sub-frame (1) and a main frame (2), wherein the main frame (2) is fixedly connected to the sub-frame (1), and is characterized in that: The subframe (1) comprises a left main beam (3) and a right main beam (4), both of which are beams of uniformly variable cross-sections. A plurality of cross beams (5) are fixedly connected between the left and right main beams, and the cross beams (5) extend outwards of the left and right main beams. The main frame (2) comprises a left beam (6) and a right beam (7), wherein the left and right beams are connected in the middle by a plurality of transverse beams (8), and a longitudinal beam (9) runs through the middle of the transverse beams (8) to form a skeleton structure. The left beam (6), the right beam (7) and the longitudinal beams (9) are respectively welded to the transverse beam (5) on the auxiliary frame (1).

2. The frame of a double-row scraper conveyor dump trailer according to claim 1, characterized in that: A left conveying mechanism (10) and a right conveying mechanism (11) are respectively arranged on the left and right sides of the main frame (2); Transversely arranged conveying shafts (12) are respectively installed at the front and rear positions of the left and right conveying mechanisms. The conveying shafts (12) are connected to the left and right beams and the longitudinal scale (9) through mounting seats (13).

3. The frame of a double-row scraper conveyor dump trailer according to claim 2, characterized in that: A scraper conveying chain (16) is provided on the conveying shaft (12), and a transmission chain (17) is also provided at one end of the conveying shaft (12). The transmission chain (17) is connected to a hydraulic motor (19) via a transmission shaft (18).

4. The frame of a double-row scraper conveyor dump trailer according to claim 3, characterized in that: A first chain guard plate (24) and a second chain guard plate (25) are provided above the scraper conveyor chain (16). The first chain guard plate (24) is installed on the sides of the left and right beams, and the second chain guard plate (25) is installed on the longitudinal scale (9).

5. The frame of a double-row scraper conveyor dump trailer according to claim 3, characterized in that: There are two hydraulic motors (19), which are symmetrically arranged on the left and right sides of the mounting frame (20). The mounting frame (20) is located at the rear end of the main frame (2).

6. The frame of a double-row scraper conveyor dump trailer according to claim 5, characterized in that: The main frame (2) is provided with an oblong hole for installing a mounting frame (20).

7. The frame of a double-row scraper conveyor dump trailer according to claim 1, characterized in that: The horizontal scale (8) is provided with a plurality of longitudinally arranged mounting plates (14), and a plurality of wear-resistant bottom plates (15) are paved on the mounting plates (14).

8. The frame of a double-row scraper conveyor dump trailer according to claim 1, characterized in that: The left beam (6) and the right beam (7) are both bent plates, and a plurality of vertical reinforcing ribs (22) are arranged on the outside along the length direction.

9. The frame of a double-row scraper conveyor dump trailer according to claim 1, characterized in that: Side wall panels (23) are provided on the left and right sides above the main frame (2), and the middle of the side wall panels (23) is filled with heat-insulating material.

10. The frame of a double-row scraper conveyor dump trailer according to claim 1, characterized in that: A fixing frame (26) for placing a hydraulic oil tank (27) is provided at the front end of the main frame (2).

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