Scarifier of bulldozer
By introducing adjustment and rotation components into the bulldozer ripper, the spacing and angle of the bucket teeth can be flexibly adjusted, solving the problem of insufficient adaptability of existing rippers in different soil environments and improving the ripping effect and soil protection capacity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-04-07
AI Technical Summary
The fixed spacing between the bucket teeth of existing bulldozer rippers cannot be effectively adjusted in different soil environments, resulting in incomplete loosening of hard soil or excessive loosening of soft soil, which affects construction and soil structure.
A soil ripper comprising an adjustment component and a rotation component was designed. The spacing and angle of the bucket teeth can be flexibly adjusted by adjusting the limit rod and the fixing rod, and the spring elasticity is used to achieve fixation.
The soil ripper has improved its soil adaptability, ensuring effective crushing and loosening in different soil textures, protecting soil structure, and meeting diverse soil loosening needs.
Smart Images

Figure CN224092600U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bulldozer technology, and more specifically, to a bulldozer ripper. Background Technology
[0002] A bulldozer is an earthmoving machine capable of excavating, transporting, and dumping soil and rock, and it has a wide range of applications in open-pit mines. For example, it is used to construct spoil heaps, level truck spoil heaps, stockpile loose ore, level working platforms, and construct sites. It is used not only for auxiliary work but also for primary mining operations.
[0003] The bulldozer ripper is a replaceable working device with crushing and loosening functions. It typically consists of a main plate, lug plates, back plates, bucket lug plates, bucket lug sleeves, bucket teeth, tooth seats, and guard plates, forming the basic framework of the ripper and providing support and connection for the entire device. The ripper moves forward under the traction of the bulldozer, and simultaneously, under the action of hydraulic cylinders, the ripper teeth gradually press down to a certain depth below the ground. As the main unit continues to move forward, the ripper teeth move through the soil, cutting, compressing, and turning it, thus loosening the soil. After completing a certain distance of loosening work, the ripper teeth are lifted off the ground by hydraulic cylinders, ending the loosening operation. It effectively crushes hard soil, rocks, and frozen soil, loosening them and increasing soil looseness, creating better conditions for subsequent excavation, loading, and other operations.
[0004] However, in existing bulldozer ripper designs, whether it's a four-bar structure with a non-adjustable ripping angle or an adjustable ripping angle, the installation method of the bucket teeth is generally relatively fixed. This structure has high overall strength, balanced component stress, and good impact resistance. But precisely because of its structural characteristics, the movement trajectory of the tooth tips is basically fixed. During the ripping process, the support angle can only move up and down, and the spacing of the bucket teeth cannot be directly adjusted. For hard soils, such as soils containing many stones or hardened soil layers, rippers with fixed bucket tooth spacing cannot effectively break up the soil layer, resulting in incomplete ripping and affecting subsequent construction or planting. In soft soil environments, such as the loose topsoil in farmland, fixed bucket tooth spacing may cause excessive soil loosening and damage the soil structure. This not only affects the soil's water retention and aeration but may also lead to excessively fine soil particles, which is not conducive to the growth of plant roots.
[0005] Therefore, in order to solve the above-mentioned technical problems, this application proposes a ripper for a bulldozer. Utility Model Content
[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a ripper for bulldozers.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a bulldozer ripper, comprising a toothed seat and an adjusting assembly mounted on the toothed seat. The adjusting assembly includes a slide rail. The toothed seat has a slide rail, and multiple sliders are slidably installed within the slide rail. Each slider has a connecting seat mounted on it. A support rod is mounted on one of the connecting seats between each pair of adjacent connecting seats. A sliding rod is slidably installed within each support rod. Each sliding rod has multiple limiting holes. A limiting rod is slidably installed through each support rod. Each limiting rod is connected to its corresponding support rod via a spring A. Each limiting rod can slide within its corresponding limiting hole. Support plates are symmetrically mounted at both ends of the toothed seat. Sliding rods are mounted on the sides of the two support plates that are close to the connecting seats. Support rods are slidably installed on the outer sides of the two sliding rods. The two support rods are connected to the adjacent connecting seats.
[0008] Preferably, each of the connecting seats is provided with a rotating component, each of the rotating components includes a rotating shaft, each of the connecting seats has a rotating shaft rotatably mounted therethrough, each of the rotating shafts has a fixed rod slidably mounted therethrough, each fixed rod is connected to the rotating shaft by a spring B, and each of the connecting seats has multiple fixing holes on the side near the fixed rod, each of the limiting rods can slide in the corresponding fixing holes, which facilitates the improvement of the soil tiller's soil adaptability and the soil loosening effect.
[0009] Preferably, a connecting rod is installed on the gear seat to facilitate the transmission of the gear seat.
[0010] Preferably, each of the rotating shafts is connected to a bucket tooth at one end in the middle of the connecting seat to facilitate the loosening of soil.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] 1. In this utility model, an adjusting component mounted on the gear seat is used to move one of the limiting rods upwards. The moving limiting rod will gradually disengage from the corresponding limiting hole, stretching the connected spring A as it moves upwards until the limiting rod is completely disengaged from the corresponding limiting hole. Then, the connecting seat connected to the sliding rod is moved. When the connecting seat is moved, the slider moves within the slide rail, and the sliding rod moves within the support rod. The bucket teeth connected to the connecting seat will move along with the connecting seat until the bucket teeth are adjusted to the appropriate position. Then, the limiting rod is released, and the spring A, through its elasticity, will re-insert the limiting rod. The corresponding limiting hole is used to fix the sliding rod. Then, the position of the bucket teeth that need to be adjusted is adjusted in the above way. This solves the problem in the background technology that during the loosening process, the support angle can only move up and down and cannot directly adjust the spacing of the bucket teeth. For hard soil, such as soil containing many stones or hardened soil layers, the loosening device with fixed bucket tooth spacing cannot effectively break the soil layer, which will lead to incomplete loosening and affect subsequent construction or planting. In soft soil environment, such as the soft topsoil in farmland, the fixed bucket tooth spacing may cause the soil to be excessively loosened and damage the soil structure. This will not only affect the soil's water retention and aeration, but may also lead to soil particles that are too fine, which is not conducive to the growth of plant roots.
[0013] 2. In this utility model, by using the rotating component set on each connecting seat, any fixed rod that needs to be moved outward will slowly disengage from the corresponding fixed hole as it moves outward, while simultaneously stretching the spring B. Once the fixed rod has slowly disengaged from the corresponding fixed hole, the rotating shaft will rotate, causing the connected bucket teeth to rotate until the bucket teeth are adjusted to the appropriate angle. Then, the fixed rod will be released, and the spring B's elasticity will allow the fixed rod to be reinserted into the corresponding fixed hole, thus fixing the bucket teeth with the adjusted angle. The angles of other bucket teeth can then be adjusted in the same way, effectively improving the soil adaptability of the soil loosener and enhancing the loosening effect. Attached Figure Description
[0014] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the toothed seat in this utility model;
[0017] Figure 3 This is a schematic diagram of the slider structure in this utility model;
[0018] Figure 4 This is a schematic diagram of the support rod in this utility model;
[0019] Figure 5 This is a schematic diagram of the structure of the bucket teeth in this utility model.
[0020] 1. Tooth base; 2. Connecting rod; 3. Bucket tooth; 4. Adjustment assembly; 401. Slide rail; 402. Support plate; 403. Slider; 404. Connecting seat; 405. Support rod; 406. Slide rod; 407. Limiting hole; 408. Limiting rod; 409. Spring A; 5. Rotating assembly; 501. Rotating shaft; 502. Fixing rod; 503. Spring B; 504. Fixing hole. Detailed Implementation
[0021] like Figure 1-5 As shown, this utility model provides a bulldozer ripper, including a toothed seat 1 for supporting bucket teeth 3, and an adjusting component 4 mounted on the toothed seat 1. The adjusting component 4 allows for upward movement of one of the limiting rods 408. This upward movement causes the limiting rod 408 to gradually disengage from its corresponding limiting hole 407, simultaneously stretching the connected spring A409. Once the limiting rod 408 is completely disengaged from the corresponding limiting hole 407, the connecting seat 404 connected to the sliding rod 406 is moved. When the connecting seat 404 is moved, the slider 403 will slide... The slide bar 406 moves within the rail 401, while the slide rod 406 moves within the support rod 405. At this time, the bucket tooth 3 connected to the connecting seat 404 will move along with the connecting seat 404 until the bucket tooth 3 is adjusted to the appropriate position. Then, the limiting rod 408 is released. At this time, the spring A409 will re-insert the limiting rod 408 into the corresponding limiting hole 407 through its elasticity, thereby fixing the slide rod 406. The position of the bucket tooth 3 that needs to be adjusted is then adjusted in the above manner, which can effectively adapt to different soil textures and improve the soil loosening effect, while protecting the soil structure and meeting diverse soil loosening needs.
[0022] The adjusting assembly 4 includes a slide rail 401. The slide rail 401 is provided on the tooth base 1 to ensure smooth sliding of each slider 403. Multiple sliders 403 are slidably mounted within the slide rail 401 to drive the connecting seat 404. Each slider 403 is equipped with a connecting seat 404 for driving the bucket tooth 3. Between every two adjacent connecting seats 404, one of the connecting seats 404 is equipped with a support rod 405 for support. A slide rod 406 is slidably mounted within each support rod 405 to adjust the position of the connecting seat 404. Each slide rod 406 has multiple limiting holes 407 for fixing it by inserting a limiting rod 408. Each support rod 405 is slidably mounted with a limiting rod 408 for fixing. Each limiting rod 408 is connected to the support rod 405 by a spring A409 for automatic reset and fixing. Each limiting rod 408 can slide within a corresponding limiting hole 407. Support plates 402 are symmetrically mounted at both ends of the gear seat 1 for supporting. Slide rods 406 are mounted on the side of the two support plates 402 that are close to the connecting seat 404. Support rods 405 are slidably mounted on the outside of the two slide rods 406. The two support rods 405 are connected to the adjacent connecting seats 404 for supporting, fixing and adjusting the connecting seats 404 at both ends.
[0023] Each connecting seat 404 is equipped with a rotating component 5, which is used to move any fixed rod 502 outward. When the fixed rod 502 moves outward, it will slowly disengage from the corresponding fixed hole 504, and at the same time, it will stretch the spring B503. When the fixed rod 502 slowly disengages from the corresponding fixed hole 504, the rotating shaft 501 will be rotated. When the rotating shaft 501 rotates, the connected bucket teeth 3 will rotate until the bucket teeth 3 are adjusted to the appropriate angle. Then the fixed rod 502 will be released, and the elasticity of the spring B503 will allow the fixed rod 502 to be reinserted into the corresponding fixed hole 504, thereby fixing the bucket teeth 3 with the adjusted angle. The angle of other bucket teeth 3 can be adjusted in the same way, which can effectively improve the soil adaptability of the soil loosener and improve the soil loosening effect.
[0024] Each rotating component 5 includes a rotating shaft 501, and a rotating shaft 501 is rotatably mounted through each connecting seat 404. It is used to adjust the angle of the bucket teeth 3. A fixing rod 502 is slidably mounted through each rotating shaft 501. It is used to fix the shaft. Each fixing rod 502 is connected to the rotating shaft 501 by a spring B503. It is used to automatically reset and fix the limiting rod 408. Each connecting seat 404 has multiple fixing holes 504 on the side near the fixing rod 502. These holes are used to fix the rotating shaft 501 in conjunction with the limiting rod 408. Each limiting rod 408 can slide within the corresponding fixing hole 504.
[0025] A connecting rod 2 is installed on the gear seat 1, which is used to achieve connection and transmission.
[0026] Each shaft 501 has a bucket tooth 3 connected to one end in the middle of the connecting seat 404, which is used to loosen the soil.
[0027] Working principle: When the spacing between each bucket tooth 3 needs to be adjusted, one of the limiting rods 408 needs to be moved upward first. At this time, the movement of the limiting rod 408 will slowly disengage from the corresponding limiting hole 407. Simultaneously, when the limiting rod 408 moves upward, it will stretch the connected spring A409 until the limiting rod 408 is completely disengaged from the corresponding limiting hole 407. Then, the connecting seat 404 connected to the slide rod 406 is moved. When the connecting seat 404 is moved, the slider 403... The slide bar 406 will move within the slide rail 401, while the slide rod 406 will move within the support rod 405. At this time, the bucket tooth 3 connected to the connecting seat 404 will move together with the connecting seat 404 until the bucket tooth 3 is adjusted to the appropriate position. Then, the limiting rod 408 will be released. At this time, the spring A409 will re-insert the limiting rod 408 into the corresponding limiting hole 407 through its elasticity, thereby fixing the slide rod 406. Then, the position of the bucket tooth 3 that needs to be adjusted is adjusted in the above manner.
[0028] When the angle of the bucket teeth 3 needs to be adjusted, first move any one of the fixing rods 502 outward. As the fixing rod 502 moves outward, it will slowly disengage from the corresponding fixing hole 504, and at the same time, it will stretch the spring B503. When the fixing rod 502 slowly disengages from the corresponding fixing hole 504, then rotate the rotating shaft 501. When the rotating shaft 501 rotates, it will cause the connected bucket teeth 3 to rotate until the bucket teeth 3 are adjusted to the appropriate angle. Then release the fixing rod 502, and then the elasticity of the spring B503 will allow the fixing rod 502 to be reinserted into the corresponding fixing hole 504, thereby fixing the bucket teeth 3 with the adjusted angle. Then, the angles of the other bucket teeth 3 can be adjusted in the same way.
[0029] When the angle of the bucket teeth 3 needs to be adjusted, first move any one of the fixing rods 502 outward. As the fixing rod 502 moves outward, it will slowly disengage from the corresponding fixing hole 504, and at the same time, it will stretch the spring B503. When the fixing rod 502 slowly disengages from the corresponding fixing hole 504, then rotate the rotating shaft 501. When the rotating shaft 501 rotates, it will cause the connected bucket teeth 3 to rotate until the bucket teeth 3 are adjusted to the appropriate angle. Then release the fixing rod 502, and then the elasticity of the spring B503 will allow the fixing rod 502 to be reinserted into the corresponding fixing hole 504, thereby fixing the bucket teeth 3 with the adjusted angle. Then, the angles of the other bucket teeth 3 can be adjusted in the same way.
Claims
1. A ripper for a bulldozer, comprising a toothed seat (1), characterized in that: An adjustment assembly (4) is provided on the gear seat (1). The adjustment assembly (4) includes a slide rail (401). The slide rail (401) is provided on the gear seat (1). Multiple sliders (403) are slidably installed in the slide rail (401). Each slider (403) is equipped with a connecting seat (404). A support rod (405) is installed on one of the connecting seats (404) between each pair of adjacent connecting seats (404). A slide rod (406) is slidably installed in each support rod (405). Multiple limiting holes (407) are provided on each slide rod (406). Each support rod (406) has multiple limiting holes (407). Limiting rods (408) are slidably installed on each of the toothed seats (1). Each limiting rod (408) is connected to the supporting rod (405) by a spring A (409). Each limiting rod (408) can slide in the corresponding limiting hole (407). Support plates (402) are symmetrically installed at both ends of the toothed seat (1). Slide rods (406) are installed on the side of the two support plates (402) and the connecting seat (404) that are close to each other. Support rods (405) are slidably installed on the outside of the two slide rods (406). The two support rods (405) are connected to the connecting seat (404) that are close to each other.
2. The ripper for a bulldozer according to claim 1, characterized in that: Each of the connecting seats (404) is provided with a rotating component (5), each of the rotating components (5) includes a rotating shaft (501), each of the connecting seats (404) is rotatably mounted with a rotating shaft (501), each of the rotating shafts (501) is slidably mounted with a fixing rod (502), each fixing rod (502) is connected to the rotating shaft (501) by a spring B (503), each of the connecting seats (404) has multiple fixing holes (504) on the side near the fixing rod (502), and each limiting rod (408) can slide in the corresponding fixing hole (504).
3. A bulldozer ripper according to claim 1, characterized in that: A connecting rod (2) is installed on the toothed seat (1).
4. A bulldozer ripper according to claim 2, characterized in that: Each of the aforementioned shafts (501) has a bucket tooth (3) connected to one end of the connecting seat (404).