Lip protection assembly convenient to disassemble quickly

By adopting the design of double-thread screw connection and whole-board connection in the excavator lip protection assembly, the problems of bucket teeth wear and disassembly are solved, and the rapid disassembly and replacement of the lip protection assembly is achieved, improving the stability and maintenance efficiency of the equipment.

CN222782126UActive Publication Date: 2025-04-22A&S MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421413222.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-22
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The bucket teeth of the existing excavator lip protection assembly are prone to wear during use, and the shaft pins need to be removed one by one during disassembly and replacement, resulting in a long and inconvenient time.

Method used

A lip protection assembly is designed for quick removal, and a double-threaded screw is used to connect the first and second fixing buckles, and the entire plate connection and threaded rod fixation is achieved to quickly remove and replace the bucket teeth.

Benefits of technology

The rapid disassembly and replacement of lip protection components is realized, which reduces the disassembly time, improves installation and fixation efficiency, enhances the stability of the equipment, and reduces the risk of damage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222782126U_ABST
    Figure CN222782126U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of excavator parts, in particular to a lip protection assembly convenient to disassemble quickly, which comprises a lip protection body, a fixing ring is welded above the lip protection body, and bucket teeth are arranged on one side of the lip protection body. Fixing teeth are attached to the upper portions of the bucket teeth, fixing plates are attached to one sides of the fixing teeth, inserting rods are attached to inner holes of the fixing teeth, connecting plates are welded to the upper portions of the inserting rods, and threaded rods are in threaded connection with the interiors of the fixing plates. A second double-thread lead screw is attached to the interior of the fixing ring, a movable plate is inserted into one side of the second double-thread lead screw, a sealing ring is attached to one side of the movable plate, double threads are arranged at the joint of the improved lip protection assembly and the lip protection assembly to fix the two sides, adjustment and fixation are convenient, the lip protection assembly is more stable after being installed, looseness is avoided, and the service life of the lip protection assembly is prolonged. The bucket teeth replace traditional one-by-one mounting, so that dismounting and mounting are more convenient, and the worn bucket teeth are convenient to replace.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of excavator parts, in particular to a lip protection component which is easy to disassemble quickly. Background Art

[0002] An excavator is a heavy-duty engineering machinery, usually used for digging earth, digging ditches, cleaning construction sites, and performing earthwork projects. It has powerful digging capabilities and flexible operability, and is widely used in construction, infrastructure construction, mining and other fields.

[0003] The inventors found the following problems in the prior art during the process of realizing the utility model: 1. If the lip guard assembly as a whole is not convenient to disassemble and clean, it will not be possible to disassemble it regularly for cleaning, and the equipment will be worn, making it inconvenient to replace and repair it; 2. The bucket teeth on one side of the lip guard are prone to wear due to frequent soil excavation. The existing ones generally require the axle pins to be disassembled one by one, resulting in a long disassembly and assembly time. Utility Model Content

[0004] The purpose of the utility model is to provide a lip guard assembly that is easy to disassemble, so as to solve the problem that the bucket teeth of the lip guard parts proposed in the above background technology need to be disassembled and replaced, and basically disassembled one by one, resulting in a long disassembly time and inconvenience. To achieve the above purpose, the utility model provides the following technical solutions: a lip guard assembly that is easy to disassemble, including a lip guard body, a fixing ring is welded on the top of the lip guard body, and a bucket tooth is provided on one side of the lip guard body;

[0005] A fixed tooth is attached to the top of the bucket tooth, a fixed plate is attached to one side of the fixed tooth, an insertion rod is attached to the inner hole of the fixed tooth, a connecting plate is welded above the insertion rod, and a threaded rod is connected to the inner thread of the fixed plate;

[0006] A second double-threaded screw is fitted inside the fixing ring, a movable plate is inserted into one side of the second double-threaded screw, a sealing ring is fitted into one side of the movable plate, a first fixing buckle is threadedly connected to one side of the second double-threaded screw, a first double-threaded screw is inserted into one side of the movable plate, and a second fixing buckle is inserted into one side of the first double-threaded screw.

[0007] Further preferably, the first double-threaded screw and the second double-threaded screw are evenly arranged horizontally, and the external thread of the second double-threaded screw is consistent with the internal structure size of the first fixing buckle, and the external structure size of the first double-threaded screw is consistent with the internal structure size of the second fixing buckle.

[0008] Further preferably, the fixing ring, the movable plate and the sealing ring are sequentially inserted into the second double-threaded screw, and two circular holes are provided inside the movable plate, which are respectively consistent with the external structural dimensions of the first double-threaded screw and the second double-threaded screw.

[0009] Further preferably, the connection plate and the insertion rods are integrally connected, and a plurality of insertion rods are evenly distributed below the connection plate.

[0010] Further preferably, the internal hole sizes of the bucket teeth and the fixed teeth are consistent, and the internal structural sizes of the fixed teeth and the bucket teeth are consistent with the external structural sizes of the insertion rod.

[0011] Further preferably, the internal structural dimensions of the fixing plate are consistent with the external structural dimensions of the insertion rod, and the internal structural dimensions of the fixing plate are consistent with the external structural dimensions of the threaded rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the lip protection device and the equipment are fixed by connecting the first fixing buckle and the second fixing buckle with the first double-threaded screw rod and the second double-threaded screw rod, which makes disassembly more convenient and facilitates overall disassembly and replacement. Due to the threaded connection, the installation is also more stable, which facilitates equipment operation and reduces the risk of damage.

[0014] In the utility model, the whole plate is connected through the shaft pin above the bucket tooth. By prying the corners and the middle, all the shaft pins can be easily removed, the bucket tooth can be replaced, and the efficiency of installation and fixing is improved. A threaded rod is also provided on the top for fixing to avoid loosening. It is more stable when in use and convenient for disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a side view of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the bucket teeth of the utility model;

[0018] Figure 4 This is a schematic diagram of the explosion structure of the fixing ring of the utility model.

[0019] In the figure: 1. lip guard body; 2. bucket tooth; 201. connecting plate; 202. plug rod; 203. threaded rod; 204. fixing plate; 205. fixing tooth; 3. fixing ring; 301. sealing ring; 302. first fixing buckle; 303. second double-threaded screw rod; 304. first double-threaded screw rod; 305. second fixing buckle; 306. moving plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a lip guard assembly that is easy to disassemble quickly, comprising a lip guard body 1, a fixing ring 3 is welded on the top of the lip guard body 1, and a bucket tooth 2 is provided on one side of the lip guard body 1;

[0022] A fixed tooth 205 is attached to the top of the bucket tooth 2, a fixed plate 204 is attached to one side of the fixed tooth 205, an insertion rod 202 is attached to the inner hole of the fixed tooth 205, a connecting plate 201 is welded above the insertion rod 202, and a threaded rod 203 is connected to the inner thread of the fixed plate 204;

[0023] A second double-threaded screw 303 is fitted inside the fixing ring 3, a movable plate 306 is inserted on one side of the second double-threaded screw 303, a sealing ring 301 is fitted on one side of the movable plate 306, a first fixing buckle 302 is threadedly connected to one side of the second double-threaded screw 303, a first double-threaded screw 304 is inserted on one side of the movable plate 306, and a second fixing buckle 305 is inserted on one side of the first double-threaded screw 304.

[0024] In this embodiment, Figure 4 As shown, the first double-threaded screw rod 304 and the second double-threaded screw rod 303 are evenly arranged horizontally, and the external thread of the second double-threaded screw rod 303 is consistent with the internal structure size of the first fixing buckle 302, and the external structure size of the first double-threaded screw rod 304 is consistent with the internal structure size of the second fixing buckle 305; the two sections of the first double-threaded screw rod 304 and the second double-threaded screw rod 303 have opposite thread rotation directions, so when the screw rod rotates, the lip guard and other parts can move in two directions, thereby realizing two-way adjustment, so that one side of the first double-threaded screw rod 304 is provided with a second fixing buckle 305 for fixing, and the second double-threaded screw rod 303 is fixed with the first fixing buckle 302, which is convenient for fixing and disassembly, and the thread precision of the first double-threaded screw rod 304 and the second double-threaded screw rod 303 is high, which can realize accurate linear motion, thereby improving the installation precision of the lip guard and other parts. .

[0025] In this embodiment, Figure 1 , Figure 2As shown in Figure 4, the fixed ring 3, the movable plate 306 and the sealing ring 301 are sequentially inserted into the second double-threaded screw 303, and the movable plate 306 is provided with two circular holes inside, which are respectively consistent with the external structural dimensions of the first double-threaded screw 304 and the second double-threaded screw 303. The parts to be installed are installed between the fixed ring 3 and the movable plate 306, and the first fixing buckle 302 is rotated to make the sealing ring 301 close to the installed parts. Fixing the sealing ring 301 on one side can make installation and disassembly more convenient, especially when the sealing ring 301 needs to be replaced frequently. Fixing the sealing ring 301 on one side can reduce the risk of displacement or deformation of the sealing ring 301 during installation.

[0026] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the connecting plate 201 and the plug rod 202 are integrally connected, and a plurality of plug rods 202 are evenly distributed below the connecting plate 201; according to the installation method of the bucket tooth 2, find the pin shaft or bolt connecting the bucket tooth 2 and the bucket, use appropriate tools to loosen or remove the pin shaft or bolt, if the bucket tooth 2 needs to be disassembled for overall replacement, the pin shafts need to be disassembled one by one, which makes disassembly inconvenient; by inserting the pin shafts into the gap between the connecting plate 201 and the fixing plate 204 and tilting the connecting plate 201, all the plug rods 202 can be disassembled as a whole, which is convenient for quick disassembly of the plug rods 202.

[0027] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the internal hole size of the bucket tooth 2 is consistent with that of the fixed tooth 205, and the internal structural size of the fixed tooth 205 and the bucket tooth 2 is consistent with the external structural size of the insertion rod 202; after removing the pin shaft or bolt, the bucket tooth 2 can be gently tapped with a hammer to help it loosen. When the bucket tooth 2 is loose, it can be carefully removed from the bucket. Compared with the traditional pin shaft, which is generally installed on the side, it is not convenient to use the fulcrum between the connecting plate 201 and the fixed plate 204 to pull out the insertion rod 202. The insertion rod 202 is plugged into the fixed plate 204 and the fixed tooth 205 and the bucket tooth 2, and the fixed tooth 205 is welded to the lip guard body 1, which makes it convenient to disassemble the insertion rod 202 and take out the bucket tooth 2 for replacement.

[0028] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the internal structural dimensions of the fixed plate 204 are consistent with the external structural dimensions of the insertion rod 202, and the internal structural dimensions of the fixed plate 204 are consistent with the external structural dimensions of the threaded rod 203; the fixed plate 204 is fixed and limited by the threaded rod 203, so that the fixed plate 204 is limited between the bucket tooth 2 and the fixed tooth 205 to prevent the bucket tooth 2 from falling when installing.

[0029] The use method and advantages of the utility model: When the lip protection assembly that is easy to disassemble quickly is used, the working process is as follows:

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first install the lip guard body 1 by horizontally inserting the second double-threaded screw 303 into the fixing ring 3, inserting the device connection end into one side of the second double-threaded screw 303, and fitting the movable plate 306 to the other side of the device, inserting the first double-threaded screw 304 into one of the hole grooves of the movable plate 306, and the second fixing buckle 305 is threadedly connected to the first double-threaded screw 304, and the sealing ring 301 is fitted on the other side of the hole groove of the movable plate 306, and the first fixing buckle 302 is threadedly connected to the second double-threaded screw 303, so as to facilitate the installation of the lip guard body 1 for maintenance, the fixing plate 204 is sleeved on the outer wall of the fixing tooth 205, and the threaded rod 203 is sleeved in the hole of the fixing plate 204, and the bucket teeth 2 are respectively inserted into the fixing plate 204, and the threaded rod 203 is tightened, and the plug rod 202 connected to the connecting plate 201 is inserted into the hole of the fixing plate 204, so as to facilitate the installation and disassembly of the worn bucket teeth 2.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A lip guard assembly that is easy to quickly disassemble, comprising a lip guard body (1), characterized in that: A fixing ring (3) is welded above the lip guard body (1), and a bucket tooth (2) is provided on one side of the lip guard body (1); A fixing tooth (205) is attached to the top of the bucket tooth (2), a fixing plate (204) is attached to one side of the fixing tooth (205), an insertion rod (202) is attached to the internal hole of the fixing tooth (205), a connecting plate (201) is welded to the top of the insertion rod (202), and a threaded rod (203) is connected to the internal thread of the fixing plate (204); A second double-threaded screw (303) is fitted inside the fixing ring (3), a movable plate (306) is inserted into one side of the second double-threaded screw (303), a sealing ring (301) is fitted into one side of the movable plate (306), a first fixing buckle (302) is threadedly connected to one side of the second double-threaded screw (303), a first double-threaded screw (304) is inserted into one side of the movable plate (306), and a second fixing buckle (305) is inserted into one side of the first double-threaded screw (304).

2. The quick-release lip protection assembly according to claim 1, characterized in that: The first double-threaded screw rod (304) and the second double-threaded screw rod (303) are evenly arranged horizontally, and the external thread of the second double-threaded screw rod (303) is consistent with the internal structure size of the first fixing buckle (302), and the external structure size of the first double-threaded screw rod (304) is consistent with the internal structure size of the second fixing buckle (305).

3. The quick-release lip protection assembly according to claim 1, characterized in that: The fixing ring (3), the movable plate (306) and the sealing ring (301) are sequentially plugged into the second double-threaded screw (303), and the movable plate (306) is provided with two circular holes inside, which are respectively consistent with the external structural dimensions of the first double-threaded screw (304) and the second double-threaded screw (303).

4. The quick-release lip protection assembly according to claim 1, characterized in that: The connection plate (201) and the insertion rod (202) are connected in an integrated manner, and a plurality of insertion rods (202) are evenly distributed below the connection plate (201).

5. The quick-release lip protection assembly according to claim 1, characterized in that: The internal hole sizes of the bucket teeth (2) and the fixed teeth (205) are consistent, and the internal structural sizes of the fixed teeth (205) and the bucket teeth (2) and the external structural sizes of the insertion rod (202) are consistent.

6. The quick-release lip protection assembly according to claim 1, characterized in that: The internal structural dimensions of the fixing plate (204) are consistent with the external structural dimensions of the insert rod (202), and the internal structural dimensions of the fixing plate (204) are consistent with the external structural dimensions of the threaded rod (203).