Off-highway wide-body vehicle cab integral casting cantilever support
Through the ductile cast iron whole cast cantilever bracket, the problems of unstable quality and short service life of existing welded brackets are solved, and higher service life, simpler processing and higher stability and safety are achieved.
Patent Information
- Application Number
- CN202422317074.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The existing non-highway wide-body vehicle cab brackets are prone to cracks or fractures due to unstable quality during welding and difficult processing, resulting in a short service life.
The ductile iron cast iron cantilever bracket is used to form the casting integrated to avoid the quality problems of welding, and weight reduction holes are installed in the structure to release stress.
It improves the service life of the cab cantilever bracket, simplifies the processing process, and makes the product more beautiful. At the same time, the stability and safety of the bracket are ensured due to the high strength and rigidity of the ductile iron.
Smart Images
Figure CN222959924U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of off-road wide-body vehicles, in particular to an integral casting cantilever bracket for the cab of an off-road wide-body vehicle. Background Art
[0002] Off-road wide-body dump trucks are widely used in mining areas. The road surface environment in mines is harsh. During the operation of the vehicle, the frame and various system components are subjected to large alternating loads, and the handling stability and ride comfort of the vehicle are poor. The cab bracket of an off-road wide-body vehicle is one of the important assemblies of a mining vehicle, and the structure of the cab bracket plays a crucial role in the whole vehicle.
[0003] At present, the existing cab brackets on the market are welded parts. The existing cab bracket is welded by a horizontal connecting part, a vertical connecting part, a pair of vertical plates and a horizontal support plate; due to the influence of the actual material structure of the welding joint area during the welding process, there are problems such as difficult processing, poor quality stability, and unattractive welded parts in the welded part. In actual use, cracks or even fractures are likely to occur near the welding, thus reducing the service life of the cab bracket. Summary of the Utility Model
[0004] The utility model provides an integral casting cantilever bracket for the cab of an off-road wide-body vehicle to overcome the deficiencies of the prior art.
[0005] The technical solution adopted by the utility model is: an integral casting cantilever bracket for the cab of an off-road wide-body vehicle, including an integral casting left cantilever bracket and an integral casting right cantilever bracket;
[0006] The integral casting left cantilever bracket includes a first cantilever cross beam. The first cantilever cross beam includes a first top plate and a bottom plate. The two sides of the rear part of the first top plate and the bottom plate are connected into one body through a first side plate; the front part of the first top plate and the bottom plate are connected into one body through a transverse rib, and the transverse rib is located at the middle position of the length direction of the first top plate and the bottom plate; the first top plate, the bottom plate, the first side plate and the transverse rib are connected into one body through a first longitudinal rib; the ends of the first top plate, the bottom plate and the first side plate are jointly connected with a first vertical connecting plate; the two sides of the rear part of the bottom plate protrude symmetrically with first horizontal connecting plates; the front and rear ends of the first top plate respectively protrude upwards with first mounting bosses;
[0007] The integrally cast right cantilever bracket includes a second cantilever cross beam, the second cantilever cross beam includes a second top plate, a second horizontal connecting plate is arranged below the rear part of the second top plate, second side plates are connected below both sides of the second top plate, and the lower ends of the second side plates are integrally connected to the second horizontal connecting plate; the second top plate, the second side plates, and the second horizontal connecting plate are integrally connected by second longitudinal bars; a second vertical connecting plate is commonly connected to the tail ends of the second top plate, the second side plates, and the second horizontal connecting plate, and second mounting bosses protrude upward from the front and rear ends of the second top plate respectively.
[0008] The tail ends of the first top plate, the bottom plate, and the first side plates are commonly warped upward and then connected to the first vertical connecting plate; the tail end of the second top plate is warped upward and then connected to the second vertical connecting plate, and the upper edge of the rear part of the second side plate is correspondingly warped upward, so that the rear part of the second side plate has an approximately right triangle structure.
[0009] Weight reduction holes are provided on the bottom plate, the first side plates, the transverse bars, the second top plate, and the second side plates.
[0010] Horizontal through holes are evenly distributed on the first vertical connecting plate and the second vertical connecting plate; vertical through holes are evenly distributed on the first horizontal connecting plate and the second horizontal connecting plate.
[0011] Mounting holes are respectively provided at the centers of the first mounting boss and the second mounting boss.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] The present utility model is integrally formed by casting ductile iron, avoiding the problems of unstable quality, high processing difficulty, and cracks or even fractures caused by welding in the prior art, improving both the service life of the cab cantilever bracket and making the processing simple and beautiful; by providing weight reduction holes, while reducing the weight, certain stress is released; ductile iron has high strength and rigidity, and can withstand large loads and impact forces, ensuring the stability and safety of the cab. Description of the Drawings
[0014] Figure 1 、 2 is a three-dimensional structural schematic diagram of the integrally cast left cantilever bracket of the present utility model;
[0015] Figure 3 、 4 is a three-dimensional structural schematic diagram of the integrally cast right cantilever bracket of the present utility model;
[0016] Figure 5 is a schematic diagram of the use state of the present utility model. Detailed Embodiment
[0017] The following combines the attached Figure 1-5The present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
[0018] A non-road wide-body vehicle cab integral casting cantilever bracket, comprising an integral casting left cantilever bracket and an integral casting right cantilever bracket;
[0019] The integral casting left cantilever bracket includes a first cantilever cross beam 1, and the first cantilever cross beam 1 includes a first top plate 1-1 and a bottom plate 1-2. The two sides of the rear part of the first top plate 1-1 and the bottom plate 1-2 are connected into one body through a first side plate 1-3; the front part of the first top plate 1-1 and the bottom plate 1-2 are connected into one body through a transverse rib 1-4, and the transverse rib 1-4 is located at the middle position of the length direction of the first top plate 1-1 and the bottom plate 1-2; the first top plate 1-1, the bottom plate 1-2, the first side plate 1-3 and the transverse rib 1-4 are connected into one body through a first longitudinal rib 1-5; the ends of the first top plate 1-1, the bottom plate 1-2 and the first side plate 1-3 are jointly connected with a first vertical connecting plate 2, and two symmetrically protruding first horizontal connecting plates 3 are arranged on both sides of the rear part of the bottom plate 1-2; first mounting bosses 1-6 protrude upward from the front and rear ends of the first top plate 1-1 respectively.
[0020] The integral casting right cantilever bracket includes a second cantilever cross beam 4, and the second cantilever cross beam 4 includes a second top plate 4-1. A second horizontal connecting plate 5 is arranged below the rear part of the second top plate 4-1. Second side plates 4-2 are connected to the lower sides of both sides of the second top plate 4-1, and the lower ends of the second side plates 4-2 are connected into one body with the second horizontal connecting plate 5; the second top plate 4-1, the second side plates 4-2 and the second horizontal connecting plate 5 are connected into one body through a second longitudinal rib 4-3; the ends of the second top plate 4-1, the second side plates 4-2 and the second horizontal connecting plate 5 are jointly connected with a second vertical connecting plate 6, and second mounting bosses 4-4 protrude upward from the front and rear ends of the second top plate 4-1 respectively.
[0021] In one embodiment, the ends of the first top plate 1-1, the bottom plate 1-2 and the first side plate 1-3 are warped upward together and then connected with the first vertical connecting plate 2; the end of the second top plate 4-1 is warped upward and then connected with the second vertical connecting plate 6, and the upper edge of the rear part of the second side plate 4-2 is warped upward correspondingly, so that the rear part of the second side plate 4-2 is in an approximately right-angled triangle structure.
[0022] In one embodiment, weight-reducing holes 10 are provided on the bottom plate 1-2, the first side plate 1-3, the transverse rib 1-4, the second top plate 4-1 and the second side plate 4-2.
[0023] In one embodiment, horizontal through holes 7 are evenly distributed on the first vertical connecting plate 2 and the second vertical connecting plate 6; vertical through holes 8 are evenly distributed on the first horizontal connecting plate 3 and the second horizontal connecting plate 5.
[0024] In one embodiment, the first mounting boss 1-6 and the second mounting boss 4-4 each have a mounting hole 9 at the center.
[0025] The integrally cast left cantilever bracket and the integrally cast right cantilever bracket are formed by casting ductile iron.
[0026] During use, as shown in Figure 5 , the integrally cast left cantilever bracket 11 is fixed to the top of an oil cylinder bracket 13 through a first horizontal connecting plate 3, and the integrally cast right cantilever bracket 12 is fixed to the top of another oil cylinder bracket 13 through a second horizontal connecting plate 5; the first vertical connecting plate 2 of the integrally cast left cantilever bracket 11 and the second vertical connecting plate 6 of the integrally cast right cantilever bracket 12 are fixed together through a connecting bracket 14, and a buffer is installed in the mounting holes on the first mounting boss 1-6 and the second mounting boss 4-4, and finally the rear end of the cab is placed on the buffer.
[0027] The above embodiments are only preferred embodiments of the present invention and are not used to limit the scope of implementation of the present invention. Therefore, all equivalent changes made according to the content described in the claims of the present invention should be included within the scope of the claims of the present invention.
Claims
1. An integrally cast cantilever bracket for an off-road wide-body vehicle cab, characterized in that: It includes an integrally cast left cantilever bracket and an integrally cast right cantilever bracket; The integrally cast left cantilever bracket comprises a first cantilever cross beam (1), the first cantilever cross beam (1) comprises a first top plate (1-1) and a bottom plate (1-2), the first top plate (1-1) and the bottom plate (1-2) are connected as a whole at both sides of the rear part via a first side plate (1-3); the first top plate (1-1) and the bottom plate (1-2) are connected as a whole at the front part via a transverse rib (1-4), and the transverse rib (1-4) is located at a middle position in the length direction of the first top plate (1-1) and the bottom plate (1-2). The first top plate (1-1), the bottom plate (1-2), the first side plate (1-3) and the transverse rib (1-4) are connected as a whole through the first longitudinal rib (1-5); the tail ends of the first top plate (1-1), the bottom plate (1-2) and the first side plate (1-3) are commonly connected to a first vertical connecting plate (2); the first horizontal connecting plates (3) are symmetrically protruded on both sides of the rear part of the bottom plate (1-2); the first top plate (1-1) has first mounting bosses (1-6) protruding upwards at the front and rear ends respectively; The integrally cast right cantilever bracket comprises a second cantilever cross beam (4), the second cantilever cross beam (4) comprises a second top plate (4-1), a second horizontal connecting plate (5) is arranged below the rear of the second top plate (4-1), second side plates (4-2) are connected below both sides of the second top plate (4-1), and the lower ends of the second side plates (4-2) are connected to the second horizontal connecting plate (5) as a whole; the second top plate (4-1), the second side plates (4-2) and the second horizontal connecting plate (5) are connected as a whole through second longitudinal ribs (4-3); the tail ends of the second top plate (4-1), the second side plates (4-2) and the second horizontal connecting plate (5) are commonly connected to a second vertical connecting plate (6), and the second top plate (4-1) has second mounting bosses (4-4) protruding upward at the front and rear ends respectively.
2. The integrally cast cantilever bracket for the off-road wide-body vehicle cab according to claim 1, characterized in that: The tail ends of the first top plate (1-1), the bottom plate (1-2) and the first side plate (1-3) are collectively warped upwards and connected to the first vertical connecting plate (2); the tail end of the second top plate (4-1) is warped upwards and connected to the second vertical connecting plate (6), and the upper edge of the rear portion of the second side plate (4-2) is correspondingly warped upwards, so that the rear portion of the second side plate (4-2) is approximately in a right-angled triangle structure.
3. The integrally cast cantilever bracket for the off-road wide-body vehicle cab according to claim 1 or 2, characterized in that: The bottom plate (1-2), the first side plate (1-3), the transverse ribs (1-4), the second top plate (4-1), and the second side plate (4-2) are all provided with weight-reducing holes (10).
4. The integrally cast cantilever bracket for the off-road wide-body vehicle cab according to claim 3, characterized in that: The first vertical connecting plate (2) and the second vertical connecting plate (6) are evenly distributed with horizontal through holes (7); the first horizontal connecting plate (3) and the second horizontal connecting plate (5) are evenly distributed with vertical through holes (8).
5. The integrally cast cantilever bracket for the off-road wide-body vehicle cab according to claim 3, characterized in that: The first mounting boss (1-6) and the second mounting boss (4-4) both have mounting holes (9) in the centre.