A loader bucket structure

Abstract

The present invention discloses a loader bucket structure, which relates to the technical field of loader buckets. It includes a bucket body and also includes a replacement component. Among them, the replacement component includes an installation frame, a bucket rack, an installation groove, a U-shaped rod, a U-shaped frame, a shielding spring, a square hole, a chute, a protective frame, a protective spring, and a sealing frame. The installation frame is fixedly installed at the bottom of the bucket body. The bucket rack is arranged inside the installation frame. The U-shaped frame moves to the right under the elastic force of the shielding spring. The U-shaped frame moving to the right seals the installation frame. By sealing the installation frame, it can effectively prevent sundries such as silt and sand from entering the installation area of the bucket rack when replacing the bucket rack, thereby improving the stability of the bucket structure. Through the protective frame, the impact force of external blocky objects can be effectively absorbed, and further prevent the connection between the bucket rack and the installation frame from being violently impacted and rubbed.

Description

Technical Field

[0001] The present invention relates to the technical field of loader buckets, and particularly to a loader bucket structure. Background Art

[0002] The loader bucket structure usually consists of a bucket body, wear-resistant plates, reinforcement bars, bucket connection ears, and protective equipment, etc. And some loaders are specifically designed for excavating silt or wet and soft soil.

[0003] The patent with the patent announcement number CN220080130U relates to a loader bucket structure, including a cutting blade plate, a baffle plate, and bucket teeth. The baffle plate is fixedly connected above the cutting blade plate, and the front end of the cutting blade plate is inserted into the bucket teeth. A cylindrical long groove is opened in the cutting blade plate, and rectangular openings are spaced up and down at intervals in the cylindrical long groove. In this patent, a cylindrical long groove is opened inward on the side of the cutting blade plate, a cylinder is inserted into the cylindrical long groove and fixedly connected to the bottom of the cylindrical long groove by a first spring. At the same time, rectangular openings are sequentially spaced at intervals on the cylindrical long groove, and the rectangular openings correspond to the bucket teeth. A rectangular groove is provided in the bucket teeth, and an inclined block and a second spring are provided in the rectangular groove. When a force is applied to the cylinder, the cylinder will push up the inclined block and retract it into the rectangular groove, and the bucket teeth can be removed. When the bucket teeth need to be installed, the front end of the cutting blade plate will push the inclined block into the rectangular groove, and the bucket teeth can be directly pressed into the cutting blade plate with force, making it convenient to disassemble the bucket teeth when they are worn, and at the same time reducing the workload.

[0004] In the above patent, by directly pressing the bucket teeth onto the cutting blade plate with force, it is convenient to disassemble the bucket teeth when they are worn, and at the same time reduce the workload. However, it is difficult to seal the installation frame when replacing the bucket rack teeth. Failure to seal the installation frame will cause sundries such as silt and sand to enter the installation area of the bucket rack teeth, thereby affecting the fastening degree between the rack and the frame, and resulting in loosening and corrosion of the bucket rack teeth. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a loader bucket structure, which solves the problems put forward in the above background art.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A loader bucket structure includes a bucket body and a replacement component. Among them, the replacement component includes a mounting frame, a bucket rack, a mounting groove, a U-shaped rod, a U-shaped frame, a shielding spring, a square hole, a chute, a protective frame, a protective spring, and a sealing frame. The U-shaped frame moves to the right under the elastic force of the shielding spring, and the U-shaped frame moves to the right to seal the mounting frame. The mounting frame is fixedly installed at the bottom of the bucket body. The bucket rack is arranged inside the mounting frame. The mounting groove is opened on the surface of the bucket rack. The U-shaped rod is slidably installed on the left side of the mounting frame. The U-shaped frame is slidably installed on the inner wall of the mounting frame. The shielding spring is arranged between the mounting frame and the U-shaped frame. The square hole is opened at the bottom of the bucket body. The chute is opened on the surface of the bucket body. The protective frame is slidably installed on the inner wall of the chute. The protective spring is arranged between the bucket body and the protective frame. The sealing frame is fixedly installed on the inner wall of the bucket body.

[0007] According to the above technical solution, a first spring is arranged between the U-shaped rod and the mounting frame. One end of the first spring is arranged on the left side of the mounting frame, and the other end is arranged on the right side of the U-shaped rod. The first spring can drive the U-shaped rod to reset. The U-shaped rod penetrates through the inner and outer walls of the mounting frame, and the U-shaped rod contacts the mounting groove. The protective frame can effectively absorb the impact force of external blocky objects, thereby preventing the connection between the bucket rack and the mounting frame from being violently impacted and rubbed, thus improving the stability of the bucket structure.

[0008] According to the above technical solution, the U-shaped frame penetrates through the inner and outer walls of the mounting frame. The U-shaped frame contacts the bucket rack, and the U-shaped frame contacts the bottom of the bucket body. When the protective frame collides with a blocky object, the protective frame moves upward under the reaction force of the collision.

[0009] According to the above technical solution, a stirring component for accelerating the discharge speed of silt is arranged on the inner wall of the bucket body, and a protective component for preventing silt from falling is arranged on the top of the bucket body. The stirring component includes a baffle plate, a servo motor, a rotating rod, a stirring plate, an arc-shaped panel, a hollow plate, and a connecting plate. After the shielding of the square hole is removed, the silt remaining inside the bucket body can be cleaned and discharged through the square hole. The baffle plate is slidably installed at the bottom of the bucket body. The servo motor is fixedly installed on the inner wall of the sealing frame. The rotating rod is fixedly installed at the output end of the servo motor. The stirring plate is slidably installed on the circumferential surface of the rotating rod. The arc-shaped panel is fixedly installed on the inner wall of the bucket body. The hollow plate is fixedly installed on the front side of the stirring plate. The connecting plate is fixedly installed on the circumferential surface of the rotating rod.

[0010] According to the above technical solution, the rotating rod penetrates through the rear side of the sealing frame, and a sealing member is arranged between the rotating rod and the sealing frame. The sealing member between the rotating rod and the sealing frame is a rubber ring. A second spring is arranged between the hollow plate and the connecting plate, and the second spring can drive the hollow plate to reset.

[0011] According to the above technical solution, a third spring is arranged between the shielding plate and the bucket body. One end of the third spring is arranged at the top of the shielding plate, and the other end is arranged at the bottom of the bucket body. The third spring can drive the shielding plate to reset. The shielding plate contacts the U-shaped frame, and the arc-shaped plate contacts the stirring plate.

[0012] According to the above technical solution, the protection assembly includes a support rod, a support plate, a support spring, a linkage plate, a load-bearing rod, a material receiving plate, and an annular block. The silt on the right side of the material receiving plate is pushed by the material receiving plate and falls back into the bucket body under the action of its own gravity. The support rod is fixedly installed on the top of the sealing frame, the support plate is fixedly installed on the top of the support rod, the linkage plate is slidably installed on the circumferential surface of the support rod, the support spring is arranged between the linkage plate and the support plate, the load-bearing rod is fixedly installed on the top of the bucket body, the material receiving plate is slidably installed on the circumferential surface of the load-bearing rod, and the annular block is fixedly installed on the circumferential surface of the load-bearing rod.

[0013] According to the above technical solution, the rear side of the linkage plate is set as an inclined surface. The linkage plate contacts the hollow plate and the material receiving plate. The linkage plate penetrates through the top of the bucket body, and the material receiving plate moves towards the annular block and impacts the annular block to generate vibration.

[0014] The present invention provides a loader bucket structure, which has the following beneficial effects:

[0015] (1) For this loader bucket structure, the U-shaped frame moves to the right under the elastic force of the shielding spring, and the U-shaped frame moves to the right to seal the installation frame. By sealing the installation frame, it can effectively prevent sundries such as silt and sand from entering the installation area of the bucket rack when replacing the bucket rack, thereby reducing the jamming or loose installation of the bucket rack caused by sundries, and improving the operation efficiency of the loader for excavating silt. The connection between the installation frame and the bucket rack is protected by the cooperation of the protection frame and the elastic force of the protection spring. The protection frame can effectively absorb the impact force of external blocky objects, thereby preventing the connection between the bucket rack and the installation frame from being violently impacted and rubbed, and improving the stability of the bucket structure.

[0016] (2) The bucket structure of this loader can clean the silt remaining inside the bucket body and discharge it through the square holes. The remaining silt will increase the weight of the bucket. By cleaning the silt remaining inside the bucket body, the burden on the bucket body can be reduced, thereby improving the overall performance and efficiency of the loader operation. When the hollow plate moves and resets in the direction away from the servo motor, it drives the stirring plate to move. The stirring plate reciprocates to stir the silt inside the bucket body. Through the reciprocating movement of the stirring plate, the particles and moisture in the silt can be effectively redispersed, thereby improving the fluidity of the silt, reducing the obstruction caused by viscosity or caking, and further increasing the working volume of the bucket body.

[0017] (3) In the bucket structure of this loader, when the receiving plate moves towards the ring-shaped block, it pushes the silt that has fallen to the right side of the receiving plate. The silt on the right side of the receiving plate is pushed by the receiving plate and falls back into the bucket body under the action of its own gravity. By pushing the silt with the receiving plate and making it flow back into the bucket body, it is possible to prevent the silt from overflowing or falling during the loader operation, thereby improving the operation efficiency of the loader. When the receiving plate moves towards the ring-shaped block and impacts the ring-shaped block to generate vibration, the vibration of the receiving plate further enhances the effect of pushing the silt. Through vibration, the fluidity of the silt can be enhanced, making it looser, thus avoiding the adhesion phenomenon caused by long-term silt accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the positional structure of the bucket body and the chute of the present invention;

[0020] Figure 3 For the present invention Figure 2 An enlarged schematic diagram of the structure of part A in the present invention;

[0021] Figure 4 It is a schematic diagram of the internal structure of the bucket body of the present invention;

[0022] Figure 5 For the present invention Figure 4 An enlarged schematic diagram of the structure of part B in the present invention;

[0023] Figure 6 It is a schematic diagram of the positional structure of the U-shaped rod and the U-shaped frame of the present invention;

[0024] Figure 7 It is a schematic diagram of the internal structure of the sealing frame of the present invention.

[0025] In the figure: 1. Bucket body; 2. Installation frame; 3. Bucket rack; 4. Installation groove; 5. U-shaped rod; 6. U-shaped frame; 7. Blocking spring; 8. Square hole; 9. Chute; 10. Protection frame; 11. Protection spring; 12. Sealing frame; 131. Baffle; 132. Servo motor; 133. Rotating rod; 134. Stirring plate; 135. Arc-shaped panel; 136. Hollow plate; 137. Connecting plate; 141. Support rod; 142. Support plate; 143. Support spring; 144. Linking plate; 145. Load-bearing rod; 146. Material receiving plate; 147. Ring-shaped block. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1-6 , an embodiment of the present invention is: a loader bucket structure, including a bucket body 1, and further including a replacement component. Among them, the replacement component includes an installation frame 2, a bucket rack 3, an installation groove 4, a U-shaped rod 5, a U-shaped frame 6, a blocking spring 7, a square hole 8, a chute 9, a protection frame 10, a protection spring 11 and a sealing frame 12. The installation frame 2 is fixedly installed at the bottom of the bucket body 1, the bucket rack 3 is arranged inside the installation frame 2, the installation groove 4 is opened on the surface of the bucket rack 3, the U-shaped rod 5 is slidably installed on the left side of the installation frame 2, the U-shaped frame 6 is slidably installed on the inner wall of the installation frame 2, the blocking spring 7 is arranged between the installation frame 2 and the U-shaped frame 6, the square hole 8 is opened at the bottom of the bucket body 1, the chute 9 is opened on the surface of the bucket body 1, the protection frame 10 is slidably installed on the inner wall of the chute 9, the protection spring 11 is arranged between the bucket body 1 and the protection frame 10, and the sealing frame 12 is fixedly installed on the inner wall of the bucket body 1. By sealing the installation frame 2, it can effectively prevent sundries such as silt and sand from entering the installation area of the bucket rack 3 when replacing the bucket rack 3, thereby reducing the jamming or loose installation of the bucket rack 3 caused by sundries.

[0028] A first spring is arranged between the U-shaped rod 5 and the installation frame 2. One end of the first spring is arranged on the left side of the installation frame 2, and the other end is arranged on the right side of the U-shaped rod 5. The first spring can drive the U-shaped rod 5 to reset. The U-shaped rod 5 penetrates through the inner and outer walls of the installation frame 2 and contacts the installation groove 4. The protection frame 10 can effectively absorb the impact force of external blocky objects, thereby preventing the connection between the bucket rack 3 and the installation frame 2 from being violently impacted and rubbed, and thus improving the stability of the bucket structure.

[0029] The U-shaped frame 6 penetrates through the inner and outer walls of the mounting frame 2. The U-shaped frame 6 contacts the bucket rack 3 and the bottom of the bucket body 1. When the protective frame 10 collides with a block, the protective frame 10 moves upward under the reaction force of the collision.

[0030] During the operation of this embodiment: When the bucket rack 3 needs to be replaced, manually pull the U-shaped rod 5 in the direction away from the U-shaped frame 6. The U-shaped rod 5 moves away from the U-shaped frame 6 and disengages from the mounting groove 4, releasing the limit on the bucket rack 3. After the limit on the bucket rack 3 is released, cooperate with an external device to pull out the bucket rack 3 from the inside of the mounting frame 2. At the same time, the bucket rack 3 is pulled out from the inside of the mounting frame 2 and disengages from the U-shaped frame 6, releasing the limit on the U-shaped frame 6. After the limit on the U-shaped frame 6 is released, the U-shaped frame 6 moves to the right under the elastic force of the shielding spring 7. The U-shaped frame 6 moves to the right to seal the mounting frame 2. After the bucket rack 3 is pulled out from the inside of the mounting frame 2, insert a new bucket rack 3 into the inside of the mounting frame 2. When the bucket rack 3 is inserted into the inside of the mounting frame 2, it contacts the U-shaped frame 6 and squeezes the U-shaped frame 6. The U-shaped frame 6 moves to the left to reset under the extrusion of the bucket rack 3. The U-shaped frame 6 moves to the left to reset and squeezes the shielding spring 7. The shielding spring 7 deforms and stores energy under the extrusion of the U-shaped frame 6. When the bucket rack 3 continues to move so that the U-shaped rod 5 aligns with the mounting groove 4, the U-shaped rod 5 moves in the direction close to the U-shaped frame 6 under the elastic force of the first spring. The U-shaped rod 5 moves in the direction close to the U-shaped frame 6 and contacts the inner wall of the mounting groove 4, restoring the limit on the new bucket rack 3. After the new bucket rack 3 is firmly limited by the U-shaped rod 5, the loader operates to drive the bucket body 1 to move and excavate the silt. If a block is encountered during the excavation of the silt, the bucket body 1 excavating the silt will cause the protective frame 10 to first contact and collide with the block. The collision between the protective frame 10 and the block causes the protective frame 10 to move upward under the reaction force of the collision. The protective frame 10 moves upward and squeezes the protective spring 11. The protective spring 11 deforms and stores energy under the extrusion of the protective frame 10. The protective frame 10, in cooperation with the elastic force of the protective spring 11, protects the connection between the mounting frame 2 and the bucket rack 3.

[0031] Please refer to Figures 1-7, on the basis of the above embodiments, in another embodiment of the present invention, a stirring assembly for accelerating the discharging speed of the sludge is provided on the inner wall of the bucket body 1, and a protection assembly for preventing the sludge from falling is provided on the top of the bucket body 1. The stirring assembly includes a baffle plate 131, a servo motor 132, a rotating rod 133, a stirring plate 134, an arc-shaped panel 135, a hollow plate 136 and a connecting plate 137. The baffle plate 131 is slidably installed at the bottom of the bucket body 1, the servo motor 132 is fixedly installed on the inner wall of the sealing frame 12, the rotating rod 133 is fixedly installed at the output end of the servo motor 132, the stirring plate 134 is slidably installed on the circumferential surface of the rotating rod 133, the arc-shaped panel 135 is fixedly installed on the inner wall of the bucket body 1, the hollow plate 136 is fixedly installed on the front side of the stirring plate 134, and the connecting plate 137 is fixedly installed on the circumferential surface of the rotating rod 133. Through the reciprocating movement of the stirring plate 134, the particles and moisture in the sludge can be effectively redispersed, thereby improving the fluidity of the sludge, reducing the obstruction caused by viscosity or caking, and further increasing the working volume of the bucket body 1.

[0032] The rotating rod 133 penetrates through the rear side of the sealing frame 12, and a sealing member is provided between the rotating rod 133 and the sealing frame 12. The sealing member between the rotating rod 133 and the sealing frame 12 is a rubber ring. A second spring is provided between the hollow plate 136 and the connecting plate 137, and the second spring can drive the hollow plate 136 to reset.

[0033] A third spring is provided between the baffle plate 131 and the bucket body 1. One end of the third spring is provided at the top of the baffle plate 131, and the other end is provided at the bottom of the bucket body 1. The third spring can drive the baffle plate 131 to reset. The baffle plate 131 contacts the U-shaped frame 6, and the arc-shaped panel 135 contacts the stirring plate 134. By cleaning the residual sludge inside the bucket body 1, the burden on the bucket body 1 can be reduced, thereby improving the overall performance and efficiency of the loader operation.

[0034] The protection assembly includes a support rod 141, a support plate 142, a support spring 143, a linkage plate 144, a load-bearing rod 145, a receiving plate 146 and an annular block 147. The support rod 141 is fixedly installed on the top of the sealing frame 12, the support plate 142 is fixedly installed on the top of the support rod 141, the linkage plate 144 is slidably installed on the circumferential surface of the support rod 141, the support spring 143 is provided between the linkage plate 144 and the support plate 142, the load-bearing rod 145 is fixedly installed on the top of the bucket body 1, the receiving plate 146 is slidably installed on the circumferential surface of the load-bearing rod 145, and the annular block 147 is fixedly installed on the circumferential surface of the load-bearing rod 145. By pushing the sludge with the receiving plate 146 and making it flow back into the bucket body 1, the situation of sludge overflowing or falling during the operation of the loader can be avoided, thereby improving the operation efficiency of the loader.

[0035] The rear side of the linkage plate 144 is provided with an inclined surface. The linkage plate 144 contacts the hollow plate 136 and the receiving plate 146. The linkage plate 144 penetrates through the top of the bucket body 1. The receiving plate 146 moves towards the annular block 147 and impacts the annular block 147 to generate vibration. Through the vibration, the fluidity of the silt can be enhanced, making it looser, so as to avoid the adhesion phenomenon caused by the long-term accumulation of silt.

[0036] During the operation of this embodiment: The U-shaped frame 6 moves to the right to disengage from the contact with the baffle plate 131 and release the limit on the baffle plate 131. After the limit on the baffle plate 131 is released, the baffle plate 131 moves towards the protective frame 10 under the elastic force of the third spring. The baffle plate 131 moves towards the protective frame 10 to release the occlusion of the square hole 8. After the occlusion of the square hole 8 is released, in cooperation with the high-pressure flushing equipment, the residual silt inside the bucket body 1 can be cleaned and discharged through the square hole 8. When the loader operates to drive the bucket body 1 to move and excavate the silt, the servo motor 132 operates to drive the rotating rod 133 to rotate. The rotating rod 133 rotates to drive the stirring plate 134 to rotate. The stirring plate 134 rotates and contacts the arc-shaped plate 135 and squeezes the arc-shaped plate 135. The stirring plate 134 moves towards the servo motor 132 under the reaction force of the arc-shaped plate 135 that is squeezed. The stirring plate 134 moves towards the servo motor 132 to drive the hollow plate 136 to move. The hollow plate 136 moves to squeeze the second spring. The second spring deforms and stores energy under the extrusion of the hollow plate 136. When the stirring plate 134 continues to rotate and disengages from the contact with the arc-shaped plate 135, the stirring plate 134 disengaging from the contact with the arc-shaped plate 135 causes the hollow plate 136 to move back in the direction away from the servo motor 132 under the elastic force of the second spring. The hollow plate 136 moves back in the direction away from the servo motor 132 to drive the stirring plate 134 to move. The stirring plate 134 reciprocates to stir the silt inside the bucket body 1 back and forth.

[0037] The hollow plate 136 moves towards the servo motor 132 and contacts the linkage plate 144, squeezing the linkage plate 144. The linkage plate 144 moves upward under the squeezing of the hollow plate 136. As the linkage plate 144 moves upward, it squeezes the support spring 143. The support spring 143 deforms and stores energy under the squeezing of the linkage plate 144. At the same time, the linkage plate 144 moves upward and contacts the receiving plate 146, squeezing the inclined surface of the receiving plate 146. The receiving plate 146 moves towards the annular block 147 under the squeezing of the linkage plate 144. As the receiving plate 146 moves towards the annular block 147, it pushes the silt that has fallen on the right side of the receiving plate 146. The silt on the right side of the receiving plate 146 falls back into the bucket body 1 under the action of its own gravity under the push of the receiving plate 146. At the same time, as the receiving plate 146 moves towards the annular block 147, it impacts the annular block 147 and generates vibration. The vibration of the receiving plate 146 further enhances the effect of pushing the silt. When the hollow plate 136 moves away from the servo motor 132, the hollow plate 136 moves away from the servo motor 132 and disengages from the contact with the linkage plate 144. The linkage plate 144 disengages from the contact with the hollow plate 136 and moves downward to reset under the elastic force of the support spring 143.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A loader bucket structure, comprising a bucket body (1), characterized in that: Also includes replacement components; The replacement assembly comprises a mounting frame (2), a bucket rack (3), a mounting groove (4), a U-shaped rod (5), a U-shaped frame (6), a shielding spring (7), a square hole (8), a slide groove (9), a protective frame (10), a protective spring (11) and a sealing frame (12), wherein the mounting frame (2) is fixedly mounted on the bottom of the bucket body (1), the bucket rack (3) is arranged inside the mounting frame (2), the mounting groove (4) is provided on the surface of the bucket rack (3), and the U-shaped rod (5) is slidably mounted on the mounting frame (2) on the left side, the U-shaped frame (6) is slidably mounted on the inner wall of the mounting frame (2), the shielding spring (7) is arranged between the mounting frame (2) and the U-shaped frame (6), the square hole (8) is provided at the bottom of the bucket body (1), the slide groove (9) is provided on the surface of the bucket body (1), the protection frame (10) is slidably mounted on the inner wall of the slide groove (9), the protection spring (11) is arranged between the bucket body (1) and the protection frame (10), and the sealing frame (12) is fixedly mounted on the inner wall of the bucket body (1); A No. 1 spring is arranged between the U-shaped rod (5) and the mounting frame (2); the U-shaped rod (5) penetrates the inner and outer walls of the mounting frame (2); and the U-shaped rod (5) is in contact with the mounting groove (4); The U-shaped frame (6) passes through the inner and outer walls of the mounting frame (2), the U-shaped frame (6) is in contact with the bucket rack (3), and the U-shaped frame (6) is in contact with the bottom of the bucket body (1); The inner wall of the bucket body (1) is provided with a stirring component for accelerating the discharge speed of sludge, and the top of the bucket body (1) is provided with a protective component for preventing sludge from falling.

2. A loader bucket structure according to claim 1, characterized in that: The stirring assembly comprises a baffle plate (131), a servo motor (132), a rotating rod (133), a stirring plate (134), a curved panel (135), a hollow plate (136) and a connecting plate (137); the baffle plate (131) is slidably mounted on the bottom of the bucket body (1); the servo motor (132) is fixedly mounted on the inner wall of the sealing frame (12); the rotating rod (133) is fixedly mounted on the output end of the servo motor (132); the stirring plate (134) is slidably mounted on the circumferential surface of the rotating rod (133); the curved panel (135) is fixedly mounted on the inner wall of the bucket body (1); the hollow plate (136) is fixedly mounted on the front side of the stirring plate (134); and the connecting plate (137) is fixedly mounted on the circumferential surface of the rotating rod (133).

3. A loader bucket structure according to claim 2, characterized in that: The rotating rod (133) passes through the rear side of the sealing frame (12); a sealing member is provided between the rotating rod (133) and the sealing frame (12); and a No. 2 spring is provided between the hollow plate (136) and the connecting plate (137).

4. A loader bucket structure according to claim 3, characterized in that: A No. 3 spring is provided between the shielding plate (131) and the bucket body (1); the shielding plate (131) is in contact with the U-shaped frame (6); and the arc panel (135) is in contact with the stirring plate (134).

5. A loader bucket structure according to claim 4, characterized in that: The protection component comprises a support rod (141), a support plate (142), a support spring (143), a linkage plate (144), a load-bearing rod (145), a material receiving plate (146) and an annular block (147); the support rod (141) is fixedly mounted on the top of the sealing frame (12); the support plate (142) is fixedly mounted on the top of the support rod (141); the linkage plate (144) is slidably mounted on the circumferential surface of the support rod (141); the support spring (143) is arranged between the linkage plate (144) and the support plate (142); the load-bearing rod (145) is fixedly mounted on the top of the bucket body (1); the material receiving plate (146) is slidably mounted on the circumferential surface of the load-bearing rod (145); and the annular block (147) is fixedly mounted on the circumferential surface of the load-bearing rod (145).

6. A loader bucket structure according to claim 5, characterized in that: The rear side of the linkage plate (144) is arranged as an inclined surface, the linkage plate (144) contacts the hollow plate (136), the linkage plate (144) contacts the material receiving plate (146), and the linkage plate (144) passes through the top of the bucket body (1).

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