Front frame and vehicle

Abstract

The present invention discloses a front frame and a vehicle, and relates to the technical field of tractors. The front frame includes a hinge plate, two side plates, a support assembly and a counterweight, wherein the hinge plate extends in a horizontal direction and is used to connect with a rear frame, the two side plates are respectively connected to the two sides of the hinge plate along the vehicle width direction, and the two side plates are connected to the support assembly, the support assembly includes a support plane, the support assembly is located at the front side of the hinge plate along the vehicle length direction, and the support plane is located below the upper end surface of the hinge plate; the counterweight includes a first part and a second part, the weight of the first part is greater than the weight of the second part, the first part is supported on the support plane and the second part is supported on the upper end surface of the hinge plate. The box-type frame is formed by the hinge plate, the two side plates and the support assembly, so that the structural strength of the front frame can be improved; the front low and rear high support platform formed by the front frame can move the center of gravity of the counterweight forward, so as to meet the reasonable distribution of the load of the front frame.

Description

Technical Field

[0001] The present invention relates to the technical field of tractors, and in particular to a front frame and a vehicle. Background Art

[0002] Rail tractors are important construction equipment in the railway transportation process, especially suitable for short-distance transportation of goods. With the development of rail transportation technology, the load capacity of trucks has increased day by day, which puts higher requirements on the traction capacity of tractors. The front frame is one of the main load-bearing components of the tractor. The front hook is connected to the truck and the rear is connected to the rear frame of the whole machine to achieve force transmission. The reliability of the front frame is directly related to the overall strength of the vehicle body and operational safety.

[0003] The tractor is constrained by multiple components such as the frame, coupler, and drive axle. It is difficult to place a counterweight with sufficient weight in front of the vehicle body, which results in a sharp reduction in the load distribution on the front axle of the tractor when towing a heavy truck. The tires are prone to slippage or even the front of the vehicle lifting, which not only affects the traction of the vehicle, but also poses a serious safety threat to construction. In the prior art, some tractors arrange a counterweight in front of the vehicle body by lengthening the frame, but this reduces the bending and torsion resistance of the frame, causes cracks in the frame welds, and even damages the plate, greatly reducing the working reliability. Summary of the invention

[0004] The object of the present invention is to provide a front frame which can provide a layout space for a counterweight, so that the center of gravity of the counterweight is moved forward to meet the use requirements.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A front frame, comprising:

[0007] A hinge plate extending in a horizontal direction and used for connecting with the rear frame;

[0008] Two side panels, the two side panels are respectively connected to two sides of the hinge plate along the vehicle width direction;

[0009] A support assembly, both of the side plates are connected to the support assembly, the support assembly is located at the front side of the hinge plate along the vehicle length direction, and the support assembly includes a support plane, and the support plane is located below the upper end surface of the hinge plate;

[0010] The balancing weight includes a first part and a second part, the weight of the first part is greater than the weight of the second part, the first part is supported on the supporting plane and the second part is supported on the upper end surface of the hinge plate.

[0011] Optionally, the support assembly includes two support members spaced apart along the vehicle width direction, the two support members are respectively connected to the two side panels, and the support plane includes upper end surfaces of the two support members.

[0012] Optionally, the front frame further comprises two webs, the two webs are spaced apart between the two side plates and are both connected to the hinge plate, and the two webs are respectively connected to the two support members.

[0013] Optionally, the front frame further includes a cross beam, which is disposed between the two webs, and two ends of the cross beam are respectively fixedly connected to the two webs.

[0014] Optionally, the front frame also includes a baffle extending in the horizontal direction, the baffle and the support member are spaced apart in the vertical direction at both ends of the web, the two sides of the baffle are respectively connected to the top ends of the two webs, the baffle and the two webs are arranged to form a receiving groove, and the receiving groove is used to accommodate the hook.

[0015] Optionally, a coupler mounting seat is provided in the accommodating groove, the coupler mounting seat is fixedly connected to the two webs, and the coupler mounting seat is used to fix the coupler.

[0016] Optionally, the front frame further includes a front plate, the two support members and the two webs are connected to the front plate, the front plate is provided with an opening, and the opening is communicated with the accommodating groove.

[0017] Optionally, the front frame further includes two reinforcing plates, the two webs are located between the two reinforcing plates, and the reinforcing plates are respectively fixed to the front plate, the support member and the web.

[0018] Optionally, the support member includes a support plate and two vertical plates connected to the support plate, the two vertical plates are arranged at intervals, the support plate and the two vertical plates are connected to the front plate, the vertical plate and the reinforcing plate are respectively arranged on both sides of the support plate, the web plate and the side plate are connected to the support plate, and the supporting plane includes the upper end surface of the support plate.

[0019] Another object of the present invention is to provide a vehicle whose front frame can provide a layout space for a counterweight, so that the center of gravity of the counterweight is moved forward to meet usage requirements.

[0020] To achieve this object, the present invention adopts the following technical solutions:

[0021] A vehicle comprises the above-mentioned front frame.

[0022] The beneficial effects of the present invention are as follows: the front frame provided by the present invention is connected to the rear frame through a hinge plate, and a box-type frame structure is formed by the hinge plate, two side plates and a support assembly, which can improve the structural strength of the front frame and ensure the reliability of the front frame when working; at the same time, the height of the support plane of the support assembly is set to be lower than the upper end surface of the hinge plate in the vertical direction, and the first part of the counterweight is supported on the support plane and the second part is supported on the upper end surface of the hinge plate, that is, the front frame can form a support platform with a low front and a high rear to install the counterweight, and at the same time, because the weight of the first part of the counterweight is greater than the weight of the second part, the center of gravity of the counterweight on the front frame can be moved forward, thereby meeting the reasonable distribution of the load of the front frame; in addition, the volume size of the counterweight exposed above the frame can be reduced, which can effectively improve the driver's operating field of view. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of a front frame provided by an embodiment of the present invention from a first perspective;

[0024] Figure 2 It is a schematic structural diagram of a front frame from a second viewing angle provided by an embodiment of the present invention.

[0025] In the figure:

[0026] 1- hinged plate; 2- side plate;

[0027] 3-support member; 31-support plate; 311-first transverse plate; 312-second connecting plate; 313-second transverse plate;

[0028] 32-vertical plate; 33-connecting ribs;

[0029] 4-web plate; 41-first vertical plate; 42-first connecting plate; 43-second vertical plate;

[0030] 5- cross beam; 6- baffle; 7- coupler mounting seat;

[0031] 8-front plate; 81-opening;

[0032] 9- reinforcing plate; 10- lower base plate; 11- third connecting plate. DETAILED DESCRIPTION

[0033] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0037] like Figure 1 As shown, the front frame includes a hinge plate 1, two side plates 2, a support assembly and a counterweight, wherein the hinge plate 1 extends in the horizontal direction and is used to connect with the rear frame, and the two side plates 2 are respectively connected to the hinge plate 1 in the vehicle width direction ( Figure 1 On both sides of the vehicle length direction (a), the two side panels 2 are connected to the support assembly, and the support assembly is located at the hinge plate 1 along the vehicle length direction ( Figure 1On the front side of the hinge plate 1 (in the middle b direction), the support assembly includes a support plane, which is located below the upper end surface of the hinge plate 1; the balance weight includes a first part and a second part, the weight of the first part is greater than the weight of the second part, the first part is supported on the support plane and the second part is supported on the upper end surface of the hinge plate 1. It can be understood that by forming a truss frame structure with the hinge plate 1, two side plates 2, and a support assembly, the structural strength of the front frame can be improved; at the same time, the height of the support plane of the support assembly is set to be lower than the upper end surface of the hinge plate 1 in the vertical direction, and the first part of the counterweight is supported on the support plane and the second part is supported on the upper end surface of the hinge plate 1, that is, the front frame can form a support platform with a low front and a high rear to install the counterweight. At the same time, since the weight of the first part of the counterweight is greater than the weight of the second part, the center of gravity of the counterweight on the front frame can be moved forward, thereby meeting the reasonable distribution of the load of the front frame and avoiding the phenomenon of the front part of the front frame being lifted up due to insufficient load; in addition, the volume size of the counterweight exposed above the frame can be reduced, which can effectively improve the driver's operating field of view.

[0038] In this embodiment, a connecting ear is provided on the hinge plate 1, and the connecting ear is pinned to the rear frame through a pin; at the same time, a connecting hole is provided on the hinge plate 1 and the support assembly, and the connecting hole is connected to the counterweight through a bolt. At the same time, in order to further improve the structural strength of the front frame, the two side plates 2 are vertically fixed to the hinge plate 1 and the support assembly; in order to reduce the weight of the front frame, weight-reducing holes are provided on the two side plates 2, and the shape, size and number of the weight-reducing holes are not limited here.

[0039] In this embodiment, the first part of the counterweight is connected to the second part, and the first part and the second part form a stepped shape, and in order to further improve the driver's operating field of view, the upper end surface of the first part is lower than the upper end surface of the second part. In other embodiments, the first part and the second part of the counterweight may not be connected, and the upper end surface of the first part and the upper end surface of the second part may be flush.

[0040] Specifically, Figure 2 As shown, the front frame further includes a lower bottom plate 10, which extends in the horizontal direction and is spaced apart from the hinge plate 1 in the vertical direction on both sides of the side plate 2, and the two side plates 2 are vertically connected to the lower bottom plate 10. In this embodiment, the lower bottom plate 10 and the hinge plate 1 are arranged opposite to each other, and the lower bottom plate 10 is also provided with connecting ears. When connecting with the rear frame, the connecting ears of the rear frame are placed between the connecting ears of the hinge plate 1 and the lower bottom plate 10, and then connected by pins, and the connection is reliable. In other embodiments, the rear frame can also be connected only by the hinge plate 1, and the lower bottom plate 10 can also be not provided.

[0041] Optionally, the support assembly includes two support members 3 spaced apart in the vehicle width direction, the two support members 3 are respectively connected to the two side panels 2, and the support plane includes the upper end surfaces of the two support members 3. In this embodiment, the first part of the counterweight is supported on the upper end surfaces of the two support members 3, and the two support members 3 are respectively vertically connected to the two side panels 2. In other embodiments, the support members 3 may also be non-vertically connected to the side panels 2.

[0042] Alternatively, if Figure 1 and Figure 2 As shown, the front frame further includes two webs 4, which are spaced between the two side panels 2 and are both connected to the hinge plate 1, and the two webs 4 are respectively connected to the two support members 3. Specifically, in order to improve the structural stability of the front frame, the two webs 4 are both vertically connected to the hinge plate 1, and the two webs 4 are respectively vertically connected to the two support members 3. In this embodiment, the hinge plate 1 and the lower bottom plate 10 are both U-shaped plates, and each of the two sides of the two U-shaped plates is vertically connected to the side panels 2 and the webs 4. In other embodiments, the hinge plate 1 and the lower bottom plate 10 may also be other shapes.

[0043] Alternatively, if Figure 1 As shown, the front frame further includes a cross beam 5, which is disposed between the two webs 4, and the two ends of the cross beam 5 are respectively fixedly connected to the two webs 4. It can be understood that the connection between the cross beam 5 and the webs 4 on both sides can further ensure the structural stability of the front frame, improve the bending and torsion resistance of the front frame, and thus improve the service life of the front frame. As for the shape and number of the cross beam 5, there is no restriction here, and it can be adaptively selected according to different usage requirements.

[0044] Preferably, the projection of the web 4 on the horizontal plane is Z-shaped. In this embodiment, in order to maintain the overall continuity of the web 4 and improve the reliability of the web 4, the web 4 is formed by integral bending, including a first vertical plate 41, a first connecting plate 42 and a second vertical plate 43 connected in sequence, the first vertical plate 41 is vertically connected to the hinge plate 1 and the lower bottom plate 10, the second vertical plate 43 is vertically connected to the support member 3, and the two ends of the cross beam 5 are respectively fixed to the two first vertical plates 41. By changing the degree of bending of the web 4, the distance between the two first vertical plates 41 and the two second vertical plates 43 can be changed, so that the required length of the cross beam 5 can be changed to change the overall structure of the front frame. In other embodiments, the web 4 may not be formed by integral bending, and the first vertical plate 41, the first connecting plate 42 and the second vertical plate 43 can be welded in sequence.

[0045] Alternatively, if Figure 1As shown, the front frame also includes a baffle 6 extending in the horizontal direction. The baffle 6 and the support member 3 are arranged at intervals at the two ends of the web 4 in the vertical direction. The two sides of the baffle 6 are respectively connected to the top ends of the two webs 4. The baffle 6 and the two webs 4 are surrounded by a receiving groove, and the receiving groove is used to receive the coupler. It can be understood that the connection rigidity of the webs 4 on both sides can be enhanced by connecting the baffle 6 with the webs 4 on both sides, and the webs 4 can be prevented from deforming when the force is large. In this embodiment, the two sides of the baffle 6 are respectively vertically connected to the second vertical plate 43 and surrounded by a receiving groove. At the same time, an opening is provided on the baffle 6, which can facilitate the free disassembly of the coupler connecting pin, thereby increasing the convenience of maintenance.

[0046] Specifically, Figure 2 As shown, a hook mounting seat 7 is provided in the receiving groove, and the hook mounting seat 7 is fixedly connected to the two webs 4, and the hook mounting seat 7 is used to fix the hook. It can be understood that the hook mounting seat 7 is used to fix the hook in the receiving groove. In this embodiment, the hook mounting seat 7 includes two groups of limit blocks arranged at intervals, and the hook is placed between the two groups of limit blocks to prevent the hook from moving back and forth along the vehicle length direction under the action of tension, and to ensure convenient disassembly and assembly. In addition, a wear-resistant plate is also provided in the receiving groove. When the hook is fixed to the hook mounting seat 7, the wear-resistant plate is located between the hook and the second vertical plate 43, which can prevent the hook from directly contacting the second vertical plate 43 and causing the second vertical plate 43 to wear. At the same time, the wear-resistant plates on both sides of the hook can also play a role in limiting the installation of the hook. In other embodiments, the hook fixing seat 7 can also be other structures, which only need to be able to fix the hook, and the wear-resistant plate may not be provided.

[0047] Alternatively, if Figure 1 and Figure 2 As shown, the front frame also includes a front plate 8, and the two support members 3 and the two webs 4 are all connected to the front plate 8. The front plate 8 is provided with an opening 81, and the opening 81 is connected to the receiving groove. It can be understood that the front plate 8 can connect the two support members 3 as a whole, thereby improving the structural strength of the front frame. At the same time, an opening 81 is provided on the front plate 8, and when the hook is installed in the receiving groove, it can extend from the opening 81 to connect with external equipment. In this embodiment, the front plate 8 is vertically connected to the two second vertical plates 43 by welding, and is vertically connected to the two support members 3 by welding; the front frame also includes a hook impact seat, which is fixed to the side of the front plate 8 away from the support member 3. In other embodiments, the front plate 8 and the two second vertical plates 43 and the two support members 3 can also be fixed in other ways.

[0048] Alternatively, if Figure 1As shown, the front frame also includes two reinforcing plates 9, two webs 4 are located between the two reinforcing plates 9, and the reinforcing plates 9 are respectively fixed to the front plate 8, the support member 3 and the webs 4. It can be understood that the reinforcing plates 9 can further improve the tensile strength of the front plate 8, prevent the front plate 8 from deforming during use and causing the welds between the two webs 4 and the two support members 3 to tear, thereby improving the service life of the front frame. In this embodiment, the reinforcing plate 9 is bent into an L-shape, and one side of the reinforcing plate 9 is welded to the front plate 8, the other side is welded to the support member 3, and the side is welded and fixed to the second vertical plate 43. In other embodiments, the reinforcing plate 9 can also be selected in other shapes.

[0049] Alternatively, if Figure 2 As shown, the support member 3 includes a support plate 31 and two vertical plates 32 connected to the support plate 31, the two vertical plates 32 are arranged at intervals, the support plate 31 and the two vertical plates 32 are vertically connected to the front plate 8, the vertical plates 32 and the reinforcing plate 9 are respectively arranged on both sides of the support plate 31, the web 4 and the side plate 2 are connected to the support plate 31, and the support plane includes the upper end surface of the support plate 31. It can be understood that the support member 3 forms a box-type structure through the support plate 31 and the vertical plates 32, which can further improve the structural strength of the support member 3, thereby improving the overall strength of the entire front frame. In this embodiment, the second vertical plate 43 is vertically connected to the support plate 31, and the support member 3 also includes two connecting ribs 33 arranged between the two vertical plates 32 along the length direction of the vertical plates 32, the connecting ribs 33 are vertically fixed to the support plate 31, and the two sides are respectively welded to the two vertical plates 32, and the structural stability of the box-type support member 3 can be further ensured by the connecting ribs 33. In other embodiments, the number of connecting ribs 33 may be increased or decreased according to different usage requirements, or the connecting ribs 33 may not be provided.

[0050] Specifically, the projection of the support plate 31 on the vertical plane is Z-shaped. In this embodiment, in order to maintain the overall continuity of the support plate 31 and improve the reliability of the support plate 31, the support plate 31 is integrally bent and formed, including a first transverse plate 311, a second connecting plate 312 and a second transverse plate 313 connected in sequence, the first transverse plate 311 and the second connecting plate 312 are both vertically connected to the side plate 2, the second vertical plate 43, the reinforcing plate 9, the front plate 8 and the two vertical plates 32 are vertically connected to the second transverse plate 313, and the support plane is the upper end surface of the second transverse plate 313. According to the bending degree of the support plate 31, the height difference between the second transverse plate 313 and the first transverse plate 311 can be changed, so that the height difference between the second transverse plate 313 and the hinged plate 1 can be adjusted to adapt to different counterweights, and the height of the accommodating groove from the ground can also be adjusted, so that the installation height of the coupler can be changed to adapt to the coupler height requirements of different rail vehicles. In addition, the second connecting plate 312 is used to connect with the drive axle, and the wheels are connected at both ends of the drive axle. In other embodiments, the support plate 31 may not be formed by integral bending, and the first transverse plate 311 , the second connecting plate 312 , and the second transverse plate 313 may be welded in sequence.

[0051] In this embodiment, the front frame further includes two third connecting plates 11, each of which is tilted in the horizontal direction, and the two sides are respectively vertically fixed to the side plates 2 and the second vertical plate 43, and the third connecting plates 11 are also fixed to the second transverse plate 313. The third connecting plates 11 can further improve the structural stability of the front frame, thereby improving the service life of the front frame. In other embodiments, the third connecting plates 11 may not be provided.

[0052] The front frame provided in this embodiment is a box-type frame structure composed of a hinge plate 1, two side plates 2 and two support members 3, which can improve the structural strength of the front frame. At the same time, the two support members 3 are both set as a box-type structure, which can further ensure the reliability of the front frame during operation; the support plate 31 is set as a bending structure, and the upper end surfaces of the two second cross plates 313 are lower than the upper end surface of the hinge plate 1 in the vertical direction, so that the front frame can form a support platform with a low front and a high rear to install a counterweight. At the same time, since the weight of the first part of the counterweight is greater than the weight of the second part, the center of gravity of the counterweight can be moved forward, thereby meeting the reasonable distribution of the front axle load of the front frame.

[0053] This embodiment also provides a vehicle, which includes the above-mentioned front frame. In this embodiment, the vehicle is a rail tractor, and the center of gravity of the counterweight can be moved forward through the structural setting of the front frame, so as to meet the reasonable distribution of the front axle load of the front frame, and avoid the phenomenon of tire slippage or even front lift of the rail tractor using the front frame due to insufficient front axle load.

[0054] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A front frame, characterized in that: include: A hinge plate (1), the hinge plate (1) extending in a horizontal direction and used for connecting to a rear frame; Two side panels (2), the two side panels (2) being respectively connected to two sides of the hinged plate (1) along the vehicle width direction; A support assembly, the two side plates (2) are connected to the support assembly, the support assembly is located at the front side of the hinge plate (1) along the vehicle length direction, and the support assembly comprises a support plane, and the support plane is located below the upper end surface of the hinge plate (1); A counterweight, the counterweight comprising a first part and a second part, the weight of the first part being greater than the weight of the second part, the first part being supported on the supporting plane and the second part being supported on the upper end surface of the hinged plate (1).

2. The front frame according to claim 1, characterized in that: The support assembly comprises two support members (3) arranged at intervals along the vehicle width direction, the two support members (3) are respectively connected to the two side plates (2), and the support plane comprises the upper end surfaces of the two support members (3).

3. The front frame according to claim 2, characterized in that: The front frame further comprises two webs (4), the two webs (4) are arranged between the two side plates (2) at intervals and are both connected to the hinge plate (1), and the two webs (4) are respectively connected to the two support members (3).

4. The front frame according to claim 3, characterized in that: The front frame further comprises a cross beam (5), wherein the cross beam (5) is arranged between the two webs (4), and the two ends of the cross beam (5) are respectively fixedly connected to the two webs (4).

5. The front frame according to claim 3, characterized in that: The front frame further comprises a baffle (6) extending in the horizontal direction, the baffle (6) and the support member (3) are arranged at intervals at the two ends of the web (4) in the vertical direction, the two sides of the baffle (6) are respectively connected to the top ends of the two webs (4), and the baffle (6) and the two webs (4) are surrounded by a receiving groove, and the receiving groove is used to receive the vehicle hook.

6. The front frame according to claim 5, characterized in that: A coupler mounting seat (7) is arranged in the receiving groove, the coupler mounting seat (7) is fixedly connected to the two webs (4), and the coupler mounting seat (7) is used to fix the coupler.

7. The front frame according to claim 5, characterized in that: The front frame further comprises a front plate (8), the two support members (3) and the two webs (4) are all connected to the front plate (8), the front plate (8) is provided with an opening (81), and the opening (81) is communicated with the accommodating groove.

8. The front frame according to claim 7, characterized in that: The front frame further comprises two reinforcing plates (9), the two webs (4) are located between the two reinforcing plates (9), and the reinforcing plates (9) are respectively fixed to the front plate (8), the support member (3) and the webs (4).

9. The front frame according to claim 8, characterized in that: The support member (3) comprises a support plate (31) and two vertical plates (32) connected to the support plate (31), the two vertical plates (32) are arranged at intervals, the support plate (31) and the two vertical plates (32) are connected to the front plate (8), the vertical plate (32) and the reinforcing plate (9) are respectively arranged on both sides of the support plate (31), the web (4) and the side plate (2) are connected to the support plate (31), and the support plane comprises the upper end surface of the support plate (31).

10. A vehicle, characterized in that: The front frame comprises the front frame as claimed in any one of claims 1 to 9.

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