Bulldozing blade structure

By staggering the arrangement of multiple welding plates and supporting structures to strengthen the connection between the rib plate and the back plate, the problem of easy cracking at the welding point between the rib plate and the back plate in the existing bulldozer is solved, and the connection strength and structural stability are improved.

CN223329913UActive Publication Date: 2025-09-12QINGDAO LOVOL EXCAVATOR +1
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Patent Information

Application Number
CN202422659433.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-12
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The welding point between the rib plate and the back plate of the existing bulldozer blade is prone to cracking, resulting in insufficient connection strength.

Method used

Multiple welding plates (first welding plate, second welding plate, third welding plate and fourth welding plate) arranged in a staggered manner are used to increase the welding area, and support is provided by protrusions, bent plates and bottom plates to enhance the connection strength between the rib plate and the back plate.

Benefits of technology

The welding connection strength between the rib plate and the back plate is improved, the risk of cracking at the welding point is reduced, and the structural stability of the bulldozer blade is enhanced.

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    Figure CN223329913U_ABST
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Abstract

The utility model relates to the technical field of dozer blades, and provides a dozer blade structure which comprises a back plate, a pair of rib plate sets is arranged in the middle of the back plate, and each rib plate set is composed of a long rib plate, a first short rib plate and a second short rib plate. Meanwhile, a first welding plate penetrates through the middle part of the rib plate group, a second welding plate penetrates through the upper parts of the long rib plate and the first short rib plate, a third welding plate penetrates through the middle parts of the long rib plate, the first short rib plate and the second short rib plate, and a fourth welding plate penetrates through the bottom ends of the long rib plate and the second short rib plate; the rib plate set is fixedly installed on the back face of the back plate through the first welding plate, the second welding plate, the third welding plate and the fourth welding plate, the long rib plate, the first short rib plate and the second short rib plate are welded through the staggered welding plates before welding, then the welding plates are welded to the back plate, the welding area is increased, and the connecting strength of the back plate and the rib plate set is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bulldozers, in particular to a bulldozer structure. Background Art

[0002] The bulldozer is a frequently used device of the excavator. It is not only used for pushing soil, but also for leveling the site. A new type of bulldozer with the announcement number CN211006808U can be referred to. The bulldozer is generally composed of a back plate and a rib plate welded behind the back plate. When the bulldozer is produced, the rib plate on the back needs to be welded to the back of the bulldozer. The rib plate itself is a thin component. After welding, the welding area between the rib plate and the back plate is small. When the bulldozer is working, the bulldozer encounters resistance in the soil and transmits pressure to the welding point between the rib plate and the back plate, which can easily cause cracking of the welding point. Utility Model Content

[0003] The utility model aims to provide a bulldozer structure, which can solve the problem that the welding position between the existing rib plate and the back plate is prone to cracking.

[0004] To achieve the above-mentioned purpose, the utility model proposes a bulldozer blade structure, comprising a back plate, a pair of rib plate groups arranged in the middle of the back plate, the rib plate group consisting of a long rib plate, a first short rib plate and a second short rib plate;

[0005] At the same time, a first welding plate is set through the middle of the rib plate group, a second welding plate is set through the long rib plate and the upper part of the first short rib plate, a third welding plate is set through the middle of the long rib plate, the first short rib plate and the second short rib plate, and a fourth welding plate is set through the bottom end of the long rib plate and the second short rib plate. The rib plate group is fixedly installed on the back of the back plate through the first welding plate, the second welding plate, the third welding plate and the fourth welding plate.

[0006] It is further configured that a bent plate is provided corresponding to the long rib plate and the first short rib plate and located above the third welding plate, and the bent plate is fixedly installed with the first welding plate.

[0007] It is further configured that a bending plate is provided on the back side of the back plate, and the first welding plate is fixedly connected to the bending plate.

[0008] It is further configured that protrusions are provided on the top of the long rib plate and the first short rib plate, and grooves are provided corresponding to the protrusions and located on the back side of the back plate, and the protrusions are installed in the grooves.

[0009] It is further configured that plate grooves are opened on the upper parts of the long rib plate and the first short rib plate, the second welding plate is fixedly installed in the plate grooves, and the side surface of the second welding plate is parallel to the back surface of the back plate.

[0010] It is further configured that a plate groove is opened in the middle of the long rib plate, the first short rib plate and the second short rib plate, and a third welding plate is fixedly installed in the plate groove, and the side surface of the third welding plate is parallel to the back surface of the back plate.

[0011] It is further configured that plate grooves are opened at the bottom ends of the long rib plate and the second short rib plate, a fourth welding plate is fixedly installed in the plate groove, a bottom plate is set at the bottom of the back plate, and the side surface of the fourth welding plate is parallel to the top surface of the bottom plate.

[0012] It is further configured that ear plates are arranged on the top of the back plate and on both sides of the rib plate group, and lifting holes are opened in the ear plates.

[0013] It is further configured that a circular hole is opened through the long rib plate, a pair of circular holes are opened through the first short rib plate, and a circular hole is opened through the second short rib.

[0014] It is further configured that intervals are set between the rib plate groups.

[0015] Beneficial effects of one or more of the above technical solutions:

[0016] Before welding, the long rib plate, the first short rib plate and the second short rib plate are welded by staggeredly arranging the first welding plate, the second welding plate, the third welding plate and the fourth welding plate, and then welded to the back plate through the first welding plate, the second welding plate, the third welding plate and the fourth welding plate, thereby increasing the welding area and improving the connection strength between the back plate and the rib plate group. During welding, the protrusions provided on the top long rib plate and the first short rib plate extend into the groove, and the bottom plate at the bottom provides support force to the rib plate group upward through the fourth welding plate, thereby further improving the connection strength between the back plate and the rib plate group. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute a limitation on this application.

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] In the figure, 1 is a back plate; 11 is a groove; 12 is a bent plate; 13 is a bottom plate; 14 is a lifting hole; 15 is a round hole; 16 is an ear plate;

[0020] 2 rib plate group; 21 long rib plate; 22 first short rib plate; 221 protrusion; 23 second short rib plate;

[0021] 3 first welding plate;

[0022] 4 second welding plate;

[0023] 5 third welding plate; 51 inclined surface;

[0024] 6 fourth welding plate; 7 plate slot. DETAILED DESCRIPTION

[0025] The specific implementation of this embodiment is described below with reference to the accompanying drawings.

[0026] Reference Figure 1 A bulldozer structure includes a back plate 1, a pair of rib plate groups 2 are arranged in the center of the back plate 1, and the rib plate group 2 consists of a long rib plate 21, a first short rib plate 22 and a second short rib plate 23; at the same time, a first welding plate 3 is arranged through the middle of the rib plate group 2, a second welding plate 4 is arranged through the long rib plate 21 and the upper part of the first short rib plate 22, a third welding plate 5 is arranged through the middle of the long rib plate 21, the first short rib plate 22 and the second short rib plate 23, and a fourth welding plate 6 is arranged through the bottom end of the long rib plate 21 and the second short rib plate 23. The rib plate group 2 is fixedly installed on the back of the back plate 1 through the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6.

[0027] Before welding, the long rib plate 21, the first short rib plate 22 and the second short rib plate 23 are welded by arranging the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6 in a staggered manner, and then welded to the back plate 1 through the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6, so as to increase the welding area and improve the connection strength between the back plate 1 and the rib plate group 2.

[0028] A bend plate 12 is provided corresponding to the long rib plate 21 and the first short rib plate 22 and located above the third welding plate 5 , and the bend plate 12 is fixedly installed with the first welding plate 3 . A bend plate 12 is provided on the back of the back plate 1 , and the first welding plate 3 is fixedly connected to the bend plate 12 .

[0029] A protrusion 221 is set on the top of the long rib plate 21 and the first short rib plate 22, and a groove 11 is set corresponding to the protrusion 221 and located on the back side of the back plate 1. The protrusion 221 is installed in the groove 11. During welding, the protrusion 221 set on the top long rib plate 21 and the first short rib plate 22 extends into the groove 11 to improve the installation stability.

[0030] A plate groove 7 is provided on the upper part of the long rib plate 21 and the first short rib plate 22, and the second welding plate 4 is fixedly installed in the plate groove 7. The side surface of the second welding plate 4 is parallel to the back surface of the back plate 1, and the side surface of the second welding plate 4 is welded to the back surface of the back plate 1. A plate groove 7 is provided in the middle part of the long rib plate 21, the first short rib plate 22 and the second short rib plate 23, and the third welding plate 5 is fixedly installed in the plate groove 7. The side surface of the third welding plate 5 is parallel to the back surface of the back plate 1, and the side surface of the third welding plate 5 is welded to the back surface of the back plate 1.

[0031] A plate groove 7 is opened at the bottom end of the long rib plate 21 and the second short rib plate 23, and the fourth welding plate 6 is fixedly installed in the plate groove 7. A bottom plate 13 is set at the bottom of the back plate 1, and the side surface of the fourth welding plate 6 is parallel to the top surface of the bottom plate 13. The bottom plate 13 at the bottom provides support force to the rib plate group 2 upward through the fourth welding plate 6, further improving the connection strength between the back plate 1 and the rib plate group 2.

[0032] Ear plates are provided on the top of the back plate 1 and on both sides of the rib plate group 2 . Lifting holes 14 are provided in the ear plates 16 , and the dozer blade can be lifted and transferred through the lifting holes 14 .

[0033] A circular hole 15 is formed through the long rib plate 21 , a pair of circular holes 15 are formed through the first short rib plate 22 , and a circular hole 15 is formed through the second short rib.

[0034] Spacers are set between the rib plate groups 2 to ensure welding space, and the spacers are designed to fit the attachment rods.

[0035] The rib installation process is as follows:

[0036] Before welding the rib plate, place the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6 in the corresponding plate groove 7, and then weld the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6 in the plate groove 7, and then place the protrusion of the first welding plate 3 in the groove 11, the first welding plate 3 is placed on the bent plate 12, and the fourth welding plate 6 is placed on the bottom plate 13, and then weld the first welding plate 3, the second welding plate 4, the third welding plate 5 and the fourth welding plate 6 to the back plate.

[0037] Although the above description of the specific implementation methods of the present invention is combined with the accompanying drawings, it does not limit the scope of protection of the present invention. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present invention, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present invention.

Claims

1. A bulldozer structure, characterized in that: It includes a back plate, a pair of rib plate groups are arranged in the middle of the back plate, and the rib plate groups are composed of a long rib plate, a first short rib plate and a second short rib plate; At the same time, a first welding plate is set through the middle of the rib plate group, a second welding plate is set through the long rib plate and the upper part of the first short rib plate, a third welding plate is set through the middle of the long rib plate, the first short rib plate and the second short rib plate, and a fourth welding plate is set through the bottom end of the long rib plate and the second short rib plate. The rib plate group is fixedly installed on the back of the back plate through the first welding plate, the second welding plate, the third welding plate and the fourth welding plate.

2. The bulldozer structure according to claim 1, characterized in that: A bent plate is provided corresponding to the long rib plate and the first short rib plate and above the third welding plate, and the bent plate is fixedly installed with the first welding plate.

3. The bulldozer structure according to claim 1, characterized in that: A bent plate is provided on the back side of the back plate, and the first welding plate is fixedly connected to the bent plate.

4. The bulldozer structure according to claim 1, characterized in that: Bumps are provided on the top of the long rib plate and the first short rib plate, and grooves are provided corresponding to the bumps and on the back side of the back plate, and the bumps are installed in the grooves.

5. The bulldozer structure according to claim 1, characterized in that: Plate grooves are provided on the upper parts of the long rib plate and the first short rib plate, and the second welding plate is fixedly installed in the plate grooves, and the side surface of the second welding plate is parallel to the back surface of the back plate.

6. The bulldozer blade structure according to claim 1, characterized in that: Plate grooves are provided in the middle of the long rib plate, the first short rib plate and the second short rib plate, and the third welding plate is fixedly installed in the plate grooves, and the side surface of the third welding plate is parallel to the back surface of the back plate.

7. The bulldozer structure according to claim 1, characterized in that: The bottom ends of the long rib plate and the second short rib plate are provided with plate grooves, in which the fourth welding plate is fixedly installed. The bottom of the back plate is provided with a bottom plate, and the side surface of the fourth welding plate is parallel to the top surface of the bottom plate.

8. The bulldozer blade structure according to claim 1, characterized in that: Ear plates are arranged on the top of the back plate and on both sides of the rib plate group, and lifting holes are provided in the ear plates.

9. The bulldozer blade structure according to claim 1, characterized in that: A circular hole is formed through the long rib plate, a pair of circular holes are formed through the first short rib plate, and a circular hole is formed through the second short rib.

10. The bulldozer blade structure according to claim 1, characterized in that: Spacers are set between the rib groups.

Citation Information

Patent Citations

  • Novel dozer blade

    CN211006808U