Lower frame bottom sealing plate structure of excavator
By combining the connecting plate and the buffer block, the problem of replacing the entire bottom sealing plate of the excavator underframe when it is damaged by impact is solved, thereby reducing the cost of replacing damaged parts individually and improving the replacement efficiency.
Patent Information
- Application Number
- CN202520289671.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing excavator underframe bottom cover plate needs to be replaced entirely when it is damaged in an impact, which increases the physical labor and replacement costs for operators and is likely to cause waste of resources.
The system employs a combination of connecting plates and buffer blocks. The design of grooves and multiple connecting blocks allows for the individual replacement of damaged connecting blocks. Combined with the use of limit components and fastening bolts, it ensures the stability of the connecting plates and the efficiency of replacement.
It reduces the impact force of the bottom surface or gravel on the underframe, reduces the cost of replacing the connecting blocks individually, and improves replacement efficiency and ease of use.
Smart Images

Figure CN223675427U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to excavator lower frame bottom sealing plate structure technical field, concretely is a kind of excavator lower frame bottom sealing plate structure. BACKGROUND
[0002] The bottom sealing plate of the frame not only protects the walking hydraulic device (rubber pipe, rotary joint), prevents mud, sand and stone, but also provides a place for the staff to disassemble and inspect and maintain, which is an indispensable part of the excavator chassis.
[0003] The utility model discloses a kind of excavator lower frame bottom sealing plate structures with the publication number CN 210766960 U, including main part, the one side of the main part is equipped with two fixed plates, the inside of the fixed plate is equipped with connecting rod, the one end of the connecting rod is equipped with knob, the outside of the connecting rod is equipped with spring, the other end of the connecting rod is equipped with connecting plate, the one side of the connecting plate is equipped with connector, the one end of the main part is equipped with fixed ring, the inside of the fixed ring is provided with clamping groove, the both sides of the clamping groove are equipped with friction pad, the one side of the friction pad is equipped with shock pad, the inside of the main part is provided with connecting hole, the one side of the connecting hole is provided with recess, the inside of the recess is equipped with nut, the one side of the nut is provided with gasket, the front end of the main part is provided with positioning groove, increase the bottom plate shock-absorbing effect, prevent the bottom plate from falling off, improve the stability of bottom plate connecting point.
[0004] But the above patent still has certain disadvantages: when receiving impact damage, the sealing plate needs to be replaced as a whole, which not only increases the physical labor of the operator, but also increases the replacement efficiency and replacement cost, and is easy to cause resource waste, thereby bringing inconvenience to use. UTILITY MODEL CONTENTS
[0005] To solve the problems of the prior art, the utility model provides a kind of excavator lower frame bottom sealing plate structure, the utility model can form protection to excavator lower frame by the cooperation of connecting plate and buffer block, reduce the impact of bottom surface or stone gravel to lower frame quota;Meanwhile, by the cooperation of recess and multiple connecting blocks, when one of the connecting blocks is damaged, only one connecting block needs to be replaced, thereby avoiding the replacement of multiple connecting blocks simultaneously, thereby reducing the use cost, while ensuring the replacement efficiency, thereby bringing convenience to use.
[0006] The utility model discloses a kind of excavator lower frame bottom sealing plate structures to achieve the above-mentioned purposes by the following technical solutions:
[0007] A bottom sealing plate structure for an excavator underframe includes a horizontal plate with a groove on the front. Strip-shaped slots are formed on the inner walls of both sides of the groove. Several connecting plates, distributed front and rear, are installed within the groove. Each connecting plate has a locking plate on both sides, and each locking plate can engage with a corresponding strip-shaped slot and slide back and forth along that slot. A buffer block is installed on the bottom surface of each connecting plate. Limiting components are installed on both the front and rear sides of the horizontal plate, and these components limit the connecting plates within the groove.
[0008] Furthermore, the limiting component includes a baffle, on which two first fastening bolts are installed, distributed on the left and right sides, and the first fastening bolts are threadedly connected to the cross plate.
[0009] Furthermore, fixing plates are installed on both the left and right sides of the horizontal plate, and two second fastening bolts distributed front and back are installed on each fixing plate.
[0010] Furthermore, a placement groove is formed on the bottom surface of the connecting plate, and the top surface of the buffer block is connected to the corresponding placement groove through multiple springs.
[0011] Furthermore, a rubber pad and a friction pad are installed on the bottom surface of the buffer block.
[0012] Furthermore, the surface of the cross plate is coated with an anti-rust layer.
[0013] Compared with the existing technology, the beneficial effects of this utility model are:
[0014] 1. This utility model, through the cooperation of the connecting plate and the buffer block, can protect the excavator undercarriage and reduce the impact of the bottom surface or stones and gravel on the undercarriage.
[0015] 2. At the same time, through the cooperation of the groove and multiple connecting blocks, only one connecting block needs to be replaced when one of the connecting blocks is damaged, thus avoiding the need to replace multiple connecting blocks at the same time, thereby reducing the cost of use, ensuring replacement efficiency, and bringing convenience to the user. Attached Figure Description
[0016] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Appendix Figure 2 yes Figure 1 A bottom view;
[0018] Appendix Figure 3 This is a schematic diagram of the horizontal plate structure;
[0019] Appendix Figure 4 yes Figure 3 A bottom view;
[0020] Appendix Figure 5is the schematic view of the connecting plate and the buffer block structure;
[0021] attached Figure 6 is Figure 5 the front view of the excavator lower frame bottom sealing plate structure;
[0022] The reference signs shown in the drawings: 1, the cross plate; 2, the groove; 3, the strip-shaped clamping groove; 4, the connecting plate; 5, the clamping plate; 6, the buffer block; 7, the baffle; 8, the first fastening bolt; 9, the fixed plate; 10, the second fastening bolt; 11, the placing groove; 12, the spring. DETAILED DESCRIPTION
[0023] The utility model is further explained in combination with the drawings and specific embodiments. It should be understood that these embodiments are only used for explaining the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.
[0024] As Figures 1-6 shown, the utility model discloses a excavator lower frame bottom sealing plate structure, including cross plate 1, the cross plate 1 front is set with groove 2, the both sides inner wall of groove 2 are set with strip-shaped clamping groove 3, install several blocks of connecting plate 4 that distribute before and after in groove 2, every block The clamping plate 5 of both sides of connecting plate 4 can be clamped into corresponding strip-shaped clamping groove 3 and can slide along corresponding strip-shaped clamping groove 3 before and after, the bottom surface of every block The buffer block 6 of connecting plate 4 is installed, the front and back two sides of cross plate 1 are installed limiting component, and the limiting component can limit connecting plate 4 in groove 2.
[0025] Specifically, the limiting component includes a baffle 7, two first fastening bolts 8 are installed on the baffle 7 and are distributed left and right, and the first fastening bolts 8 are threadedly connected with the cross plate 1. By cooperating the baffle 7 with the first fastening bolts 8, a plurality of connecting plates 4 can be limited in the groove 3, and the stability of the connecting plates 4 is ensured.
[0026] Specifically, the cross plate 1 is installed on the left and right sides of the fixed plate 9, and two second fastening bolts 10 are installed on each fixed plate 9 and are distributed front and back. By cooperating the fixed plate 9 with the second fastening bolts 10, the cross plate 1 can be installed on the frame.
[0027] Specifically, the bottom surface of the connecting plate 4 is provided with a placing groove 11, the top surface of the buffer block 6 is connected with the corresponding placing groove 11 through a plurality of springs 12, and the buffer block 6 can slide up and down along the placing groove 11. Under the elastic force of the springs 12, the buffer block 6 can be moved up and down, thereby absorbing the impact force generated by the impact on the buffer block 6.
[0028] Specific, the bottom surface of the buffer block 6 is installed with rubber pad and friction pad. The rubber pad and the friction pad have a protective effect on the buffer block 6, and the service life of the buffer block 6 is improved.
[0029] Specific, the surface of the horizontal plate 1 is coated with a rust-proof layer. The rust-proof layer has a protective effect on the horizontal plate 1, avoids the horizontal plate 1 from being affected by the environment and rusting, and improves the service life of the horizontal plate 1.
[0030] Working principle:
[0031] In use of the device, the horizontal plate 1 is first installed on the frame, then a plurality of connecting plates 4 are sequentially installed in the grooves 2 through cooperation of the clamping plates 5 and the strip-shaped clamping grooves 3, and then the connecting plates 4 are limited in the grooves 2 through the limiting assembly, and the frame bottom is protected through cooperation of the connecting plates 4 and the buffer blocks 6. In the use process, when one of the buffer blocks is damaged, the limiting assembly is disassembled, then the connecting plate 3 to be replaced is taken down, and then a new connecting plate 3 and a buffer block 6 are replaced, thereby reducing the replacement cost of the connecting plate 3, improving the replacement efficiency, and thereby bringing convenience to use.
[0032] The utility model discloses a connecting plate and buffer block cooperation can form the protection to excavator lower frame, has reduced the bottom or stone gravel quota impact to lower frame, and simultaneously through the cooperation of the groove and the multiple connecting blocks, when one of the connecting blocks is damaged, only one connecting block is replaced, thereby avoiding the replacement of multiple connecting blocks at the same time, thereby reducing the use cost, guaranteeing the replacement efficiency, and thereby bringing convenience to use.
[0033] In the description of the utility model, it is understood that the terms "upper", "one side", "inner", etc. Indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the adjustable type perfusion flush gun or element must have a specific orientation, be constructed and operated in a specific orientation, and in addition, it should be explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be understood broadly, for example, can be fixedly connected, or detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances by the ordinary skilled in the art.
[0034] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A structure of a lower frame bottom sealing plate of a shovel, comprising a cross plate (1), characterized in that: The groove (2) is provided on the front of the transverse plate (1), the inner walls on both sides of the groove (2) are provided with strip-shaped clamping grooves (3), a plurality of connecting plates (4) are arranged in the groove (2) and distributed in front and back, the two sides of each connecting plate (4) are provided with clamping plates (5), each clamping plate (5) can be clamped into the corresponding strip-shaped clamping groove (3) and can slide along the corresponding strip-shaped clamping groove (3) in front and back, the bottom surface of each connecting plate (4) is provided with a buffer block (6), the front and back surfaces of the transverse plate (1) are provided with limiting assemblies, and the limiting assemblies can limit the connecting plates (4) in the groove (2).
2. The undercarriage bottom plate structure of a shovel according to claim 1, characterized in that: The limiting assembly comprises a baffle (7), two first fastening bolts (8) are arranged on the baffle (7) and distributed in left and right, and the first fastening bolts (8) are in threaded connection with the transverse plate (1).
3. The undercarriage bottom plate structure of a shovel according to claim 1, characterized in that: The transverse plate (1) is provided with fixed plates (9) on the left and right sides, and two second fastening bolts (10) are arranged on each fixed plate (9) and distributed in front and back.
4. The undercarriage bottom plate structure of a shovel according to claim 1, characterized in that: The bottom surface of the connecting plate (4) is provided with a placing groove (11), and the top surface of the buffer block (6) is connected with the corresponding placing groove (11) through a plurality of springs (12).
5. The undercarriage bottom plate structure of a shovel according to claim 1, characterized in that: The bottom surface of the buffer block (6) is provided with a rubber pad and a friction pad.
6. The undercarriage bottom plate structure of a shovel according to claim 1, characterized in that: The surface of the transverse plate (1) is coated with an anti-rust layer.
Citation Information
Patent Citations
Lower frame bottom sealing plate structure for excavator
CN210766960U