Mining vehicle tail beam welding assembly and tail beam connecting structure
By designing a highly integrated tail beam welding assembly and using square steel materials and a specific structure to reinforce the tail beam of the mining vehicle, the problem of insufficient structural strength was solved, and the high stability and safety of the tail beam were achieved.
Patent Information
- Application Number
- CN202423308802.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing tail beam structure of mining trucks has insufficient structural strength and low integration under heavy loads and complex environments, resulting in insufficient stability and safety.
Design a highly integrated tail beam welding assembly, including a wiring harness fixing bracket, a taillight fixing plate, a connecting seat, and a tail beam lifting assembly. It is made of square steel and its bending strength is enhanced by the horizontal and vertical plate structure. Bushings and lubricating grease are used to ensure the smooth rotation of the cargo box.
The tail beam has improved versatility and integration, enhanced structural stability and bending strength, ensured structural safety and protection, and reduced the risk of deformation and damage.
Smart Images

Figure CN223520892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mining car technical field especially relates to a mining car tail beam welding assembly. BACKGROUND
[0002] Mining car is a kind of engineering vehicle for loading ore, soil block and other goods, and the working environment is relatively complex, and the bearing is larger.The frame is the main bearing component of the whole vehicle, and the tail beam assembly is the basic component of the frame, so it is necessary to design a tail beam assembly with high integration for subsequent use. SUMMARY
[0003] The application provides a mining car tail beam welding assembly, which provides a tail beam structure with high integration and good structural strength.The application also discloses a tail beam connecting structure.
[0004] The first aspect of the application provides a mining car tail beam welding assembly, which comprises:
[0005] a tail beam;
[0006] a wire harness fixing frame connected to the tail beam;
[0007] a tail lamp fixing plate connected to the tail beam;
[0008] a tail beam lifting assembly connected to the lower end of the tail beam;
[0009] two connecting seats connected to the two ends of the tail beam respectively, and the connecting seat comprises a vertical plate and a shaft sleeve, the vertical plate is connected to the tail beam, and the shaft sleeve is connected to the vertical plate;The shaft sleeve is used for being hinged to the tail of a cargo box.
[0010] The above-mentioned embodiment has the beneficial effects that the wire harness fixing frame, the tail lamp fixing plate and the connecting seat are integrated on the tail beam, so that the tail beam can directly assemble the wire harness and the tail lamp, the versatility and integration of the tail beam are improved, the tail beam lifting assembly is connected to the lower end of the tail beam, the bending strength of the tail beam is increased, and the stability of the structure is improved.
[0011] On the basis of the above-mentioned embodiment, the application embodiment can also be improved as follows:
[0012] In one embodiment of the application, the tail beam is made of square steel, and the square steel is connected with the cover plate at both ends.The beneficial effect of this step is that the square steel has high tensile strength and bending strength, and can bear large load, which ensures the stability and safety of the structure when used as a tail beam.The cover plate is connected to the end of the square steel, which can improve the anti-deformation ability of the square steel and close the end of the square steel to prevent water and impurities from entering the inside of the square steel.
[0013] In one of the embodiments of the present application, the tail beam lifting assembly comprises horizontal plates and vertical plates, the horizontal plates are arranged along the length direction of the tail beam, and the vertical plates are connected between the horizontal plates. The horizontal plates and the vertical plates can improve the structural strength of the tail beam lifting assembly and the supporting effect on the tail beam.
[0014] In one of the embodiments of the present application, the horizontal plates are provided with holes for the tail end of the frame longitudinal beam to pass through. The tail beam lifting assembly can improve the deformation resistance of the tail beam, and the holes for the frame longitudinal beam to pass through can improve the structural strength of the connection between the longitudinal beam and the tail beam.
[0015] In one of the embodiments of the present application, the lower end of the vertical plate is provided with an inverted U-shaped opening, and the vertical plate is sleeved on the tail beam through the opening. The opening structure can improve the connection length of the vertical plate and the tail beam, thereby improving the stability of the vertical plate connection.
[0016] In one of the embodiments of the present application, the vertical plate of the same connecting seat has two parts and is symmetrically arranged on both sides of the shaft sleeve. The two vertical plates can support the shaft sleeve, thereby improving the stability of the shaft sleeve positioning.
[0017] In one of the embodiments of the present application, the shaft sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is sleeved outside the inner sleeve, the inner sleeve is provided with an oil groove along the hole wall, and the outer sleeve is provided with an oil injection hole in communication with the oil groove. The lubricating oil can be injected into the shaft sleeve, thereby ensuring the smoothness of the rotation of the cargo box.
[0018] In one of the embodiments of the present application, the inner wall of the outer sleeve is provided with a first ring groove in communication with the oil injection hole, and the inner sleeve is provided with a second ring groove corresponding to the first ring groove. The structure can store more lubricating oil, and also reduces the assembly difficulty of the inner sleeve and the outer sleeve. The second aspect of the present application provides a tail beam connecting structure comprising the mine car tail beam welding assembly. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.
[0020] Figure 1 It is a structural schematic view of the mine car tail beam welding assembly.
[0021] Figure 2 It is a structural schematic view of the shaft sleeve.
[0022] Figure 3 For Figure 2 A cross-sectional view along A-A;
[0023] Figure 4 For the structure diagram of the tail beam connecting structure.
[0024] Wherein, 1 tail beam, 2 wire harness fixing frame, 3 tail lamp fixing plate, 4 tail beam lifting assembly, 5 vertical plate, 6 shaft sleeve, 601 outer sleeve body, 602 inner sleeve body, 603 oil groove, 7 cover plate. DETAILED DESCRIPTION
[0025] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, such as the connection can be fixed connection, can also be detachable connection or integrated, can be directly connected, or indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of different terms in the present application can be understood according to the specific circumstances, and the scope of the specific meaning should be limited to the function of the present application.
[0026] In the description of the present application, it should be understood that the orientation terms or position relationship description is based on the orientation or position relationship shown in the drawings, or based on the orientation or position relationship in actual use, only for the convenience of describing the content of the present application and simplifying the description, and is not intended to indicate or imply that the device or element indicated must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation of the present application.
[0027] Embodiment one
[0028] As Figure 1 shown, a tail beam welding assembly of a mine truck, comprising: a tail beam 1, a wire harness fixing frame 2, a tail lamp fixing plate 3, a tail beam lifting assembly 4, a connecting seat, the wire harness fixing frame 2 is connected to the tail beam 1, the tail lamp fixing plate 3 is connected to the rear end of the tail beam 1, the tail beam lifting assembly 4 is connected to the lower end of the tail beam 1, the connecting seat has two and is connected to the two ends of the tail beam 1 respectively, the connecting seat comprises: a vertical plate 5, a shaft sleeve 6, the vertical plate 5 is connected to the tail beam 1, the shaft sleeve 6 is connected to the vertical plate 5, and the shaft sleeve 6 is used for hinged connection with the tail part of the mine truck cargo box.
[0029] By integrating the wire harness fixing frame 2, the tail lamp fixing plate 3 and the connecting seat on the tail beam 1, the tail beam 1 can directly assemble the wire harness and the tail lamp, the versatility and integration of the tail beam 1 are improved, and at the same time, the tail beam lifting assembly 4 is connected to the lower end of the tail beam 1, the bending strength of the tail beam 1 is increased, and the stability of the structure is improved.
[0030] Specifically, as Figure 1As shown, the mine truck tail beam welding assembly also includes: cover plate 7, the tail beam 1 adopts square steel, and the square steel is connected with the cover plate 7 at both ends. The purpose of using square steel is that the square steel has high tensile strength and bending strength, is not easy to deform or droop, and can bear a large load, which can ensure the stability and safety of the structure when it is used as the tail beam 1. At the same time, the cover plate 7 is connected to the end of the square steel, and the cover plate 7 acts as a reinforcing rib. After being welded to the end of the square steel, the structural strength of the square steel can be significantly increased, and the carrying capacity can be improved. This is very important for mine trucks which need to bear heavy load and complex mechanical environment. The square steel after welding the cover plate 7 can better maintain its shape and stability when bearing external force, reducing the risk of deformation and damage. It can also seal the end of the square steel to prevent moisture and impurities from entering the inside of the square steel.
[0031] Specifically, as shown in the figure, Figure 1 The tail beam lifting assembly 4 is arranged along the length direction of the tail beam 1 and connected to the bottom of the tail beam 1. The tail beam lifting assembly 4 includes: horizontal plates and vertical plates. The horizontal plates are arranged along the length direction of the tail beam, and the vertical plates are connected between the horizontal plates. The vertical plates adopt U-shaped steel. The horizontal plates are provided with hole bodies for the tail end of the frame longitudinal beam to pass through. After the longitudinal beam passes through the hole bodies, it can form a ring structure and be welded to the tail beam 1. The tail beam lifting assembly 4 improves the anti-deformation ability of the tail beam 1. The hole bodies for the frame longitudinal beam to pass through can improve the structural strength of the connection between the longitudinal beam and the tail beam 1.
[0032] Specifically, as shown in the figure, Figure 1 The lower end of the vertical plate 5 is provided with an inverted U-shaped opening. The vertical plate 5 is sleeved on the tail beam 1 through the opening. The connection length of the vertical plate 5 and the tail beam 1 is improved through the opening structure, so as to improve the stability of the welding connection between the vertical plate 5 and the tail beam 1.
[0033] Specifically, as shown in the figure, Figure 1 The vertical plate 5 of the same connecting seat has two pieces and is symmetrically arranged on both sides of the shaft sleeve 6. The shaft sleeve 6 is used for rotating connection with the connecting shaft at the bottom of the cargo box, so as to form a support point for the turnover of the cargo box. The two vertical plates 5 support the shaft sleeve 6, improving the stability of the positioning of the shaft sleeve 6.
[0034] Specifically, as shown in the figure, Figure 2 , 3 The shaft sleeve 6 includes: an outer sleeve body 601 and an inner sleeve body 602. The outer sleeve body 601 is sleeved on the outer side of the inner sleeve body 602. The inner sleeve body 602 is cold-mounted into the outer sleeve body 601. The inner sleeve body 602 is provided with an oil groove 603 along the hole wall. The oil groove 603 is a spiral groove, which facilitates the movement of lubricating grease in the inner sleeve body 602. The outer sleeve body 601 is provided with an oil injection hole communicating with the oil groove 603. The oil injection hole is connected with an oil cup. The oil cup facilitates the injection of lubricating grease into the shaft sleeve 6, so as to ensure the smoothness of the rotation of the cargo box.
[0035] Specifically, as shown in the figure, Figure 2 ,3 As shown, the inner wall of the outer sleeve body 601 is provided with a first annular groove in communication with the oil injection hole, and the inner sleeve body is provided with a second annular groove corresponding to the first annular groove, so that more lubricating grease can be stored, and the assembly difficulty of the inner sleeve body and the outer sleeve body is reduced.
[0036] Specifically, the wire harness fixing frame is a U-shaped structure, and the wire harness fixing frame is spot-welded to the front and rear surfaces and the upper end surface of the tail beam, and the wire harness passes through the middle part of the U-shaped structure.
[0037] Example two
[0038] As shown in the drawings, Figure 4 A tail beam connecting structure, comprising the tail beam welding assembly of the mining vehicle disclosed in example one.
[0039] Specifically, as shown in the drawings, Figure 4 The tail beam welding assembly of the mining vehicle is welded and connected to the rear end of the longitudinal beam of the vehicle frame, the rear end of the longitudinal beam passes through the hole body of the tail beam lifting assembly 4 to form a ring-shaped structure and is welded and connected to the tail beam 1, so that the tail beam welding assembly of the mining vehicle and the longitudinal beam can be firmly connected together. When manufacturing the vehicle frame, the tail beam 1 should be first passed through the longitudinal beam, and then the tail beam lifting assembly 4 is welded.
[0040] Specifically, as shown in the drawings, Figure 4 The tail end of the cargo box is connected with a hinged seat, the hinged seat corresponds to the connecting seat, and the hinged seat and the connecting seat are rotationally connected through a pin shaft.
[0041] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail, and the ordinary technical personnel in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before the date, and the ordinary technical personnel in the art can improve and implement the scheme under the inspiration of the present application, and some typical known structures or known methods should not be an obstacle for the ordinary technical personnel to implement the present application. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should be regarded as the protection scope of the present application, and these will not affect the effect and practicality of the present application.
Claims
1. A mine car tail beam welding assembly characterized by, The tail beam, a wire harness fixing frame connected to the tail beam, a tail lamp fixing plate connected to the tail beam, a tail beam lifting assembly connected to the lower end of the tail beam, and two connecting seats connected to the two ends of the tail beam respectively, the connecting seat comprising a vertical plate connected to the tail beam and a shaft sleeve connected to the vertical plate, the shaft sleeve being used for being hinged to the tail of a cargo box. Further comprising: Cover plates, the tail beam being a square steel, the square steel having the cover plates connected to the two ends thereof. The tail beam lifting assembly comprising horizontal plates arranged along the length direction of the tail beam and vertical plates connected between the horizontal plates. The horizontal plates being provided with holes through which the tail ends of the frame longitudinal beams pass. The vertical plate being provided at the lower end thereof with an inverted U-shaped opening through which the vertical plate is sleeved to the tail beam.
2. The mine car tail beam welding assembly of claim 1, wherein, The vertical plate of the same connecting seat having two pieces and being symmetrically arranged on the two sides of the shaft sleeve. The shaft sleeve comprising an outer sleeve and an inner sleeve, the outer sleeve being sleeved to the outside of the inner sleeve, the inner sleeve being provided along the hole wall with an oil groove, and the outer sleeve being provided with an oil injection hole in communication with the oil groove.
3. The mine car tail beam welding assembly of claim 1, wherein, The inner wall of the outer sleeve being provided with a first ring groove in communication with the oil injection hole, and the inner sleeve being provided with a second ring groove corresponding to the first ring groove.
4. The mine car tail beam welding assembly of claim 3, wherein, The tail beam welding assembly of the mine truck according to any one of claims 1-8.
5. The mine car tail beam welding assembly of claim 1, wherein, 6. The mine car tail beam welding assembly of claim 1, wherein, 7. The mine car tail beam welding assembly of claim 1, wherein, 8. The mine car tail beam welding assembly of claim 7, wherein, 9. A tail beam connection structure characterized by,