Hydraulic excavator chassis lower sealing plate and hydraulic excavator

Abstract

The utility model provides a hydraulic excavator chassis lower sealing plate and a hydraulic excavator, and relates to the technical field of excavators, the hydraulic excavator chassis lower sealing plate comprises a plate body, one side of the plate body is provided with a fixing device, the plate body is fixedly connected with a chassis by means of the fixing device, one side of the chassis is provided with a machine body, the fixing device comprises a connecting plate, and the connecting plate is fixedly connected with the machine body. The connecting plate is fixedly connected with the plate body, a clamping block is clamped to one side of the connecting plate, a fixing plate is clamped to the surface of the clamping block, the fixing plate is fixedly connected with the base plate, an L-shaped plate is fixedly connected to one side of the fixing plate, a spring is fixedly connected to one side of the L-shaped plate, and one side of the spring is fixedly connected with the clamping block. By using the fixing device, the plate body can be rapidly fixed to the bottom of the chassis, the clamping block is not close to the ground, the influence of sundries on the ground on the clamping block is reduced, then the plate body of the lower sealing plate can be conveniently disassembled and maintained by using the clamping block subsequently, and therefore the using effect of the lower sealing plate can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to a lower cover plate of a hydraulic excavator chassis and the hydraulic excavator. Background Art

[0002] The lower cover plate of the hydraulic excavator chassis is a cover plate structure installed at the bottom of the hydraulic excavator chassis. Its main function is to span the center rotary body installation inspection port installed at the bottom of the chassis to protect the internal components of the chassis from external damage.

[0003] When using a lower cover plate, it is fixed to the chassis of the hydraulic excavator to shield and protect the internal components of the chassis center return body. When the lower cover plate is removed and replaced, the fixing bolts are easily deformed when the lower cover plate is subjected to force, which makes it difficult to quickly remove and install the lower cover plate, thus affecting the use of the lower cover plate. Utility Model Content

[0004] The utility model provides a hydraulic excavator chassis lower cover plate and a hydraulic excavator to solve the problem that when the lower cover plate is disassembled and replaced, the fixing bolts are easily deformed when the lower cover plate is subjected to force, which then causes the lower cover plate to be unable to be quickly disassembled and installed, thereby affecting the use effect of the lower cover plate.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a lower cover plate of a hydraulic excavator chassis, comprising a plate body, a fixing device is provided on one side of the plate body, the plate body is fixedly connected to the chassis by means of the fixing device, a fuselage is provided on one side of the chassis, the fixing device comprises a connecting plate, the connecting plate is fixedly connected to the plate body, a clamping block is clamped on one side of the connecting plate, a fixing plate is clamped on the surface of the clamping block, the fixing plate is fixedly connected to the chassis, an L-shaped plate is fixedly connected to one side of the fixing plate, a spring is fixedly connected to one side of the L-shaped plate, and one side of the spring is fixedly connected to the clamping block.

[0006] The effect achieved by the above-mentioned components is that when the lower sealing plate is used, the plate body is fixed to the chassis of the hydraulic excavator to shield the internal components of the center return body of the chassis of the hydraulic excavator, and then the machine body is used. When the plate body is fixed to the chassis, the clamping block can be moved to disengage the clamping block from the fixing plate, at which time the spring is compressed on one side of the L-shaped plate, and then the plate body is moved so that the connecting plate of the plate body reaches the inside of the fixing plate, and then the clamping block is loosened, and then the spring resets to drive the clamping block to pass through the fixing plate and the connecting plate to be clamped and fixed, and then the plate body is quickly fixed to the chassis, and when the plate body is disassembled, the plate body is supported, and then the clamping block is moved to disengage the clamping block from the connecting plate and the fixing plate, so that the plate body can be disassembled from the chassis. By using the fixing device, the plate body can be quickly fixed to the bottom of the chassis, and the clamping block is not close to the ground, reducing the influence of debris on the ground on the clamping block, and then facilitating subsequent disassembly and maintenance of the plate body of the lower sealing plate, thereby improving the use effect of the lower sealing plate.

[0007] Preferably, the inside of the spring is sleeved with a telescopic rod, and the two ends of the telescopic rod are fixedly connected with the L-shaped plate and the clamping block respectively.

[0008] The effect achieved by the above-mentioned components is that by using the telescopic rod, the shape of the spring is limited to avoid bending of the spring under stress, and then affecting the use of the spring.

[0009] Preferably, one side of the clamping block is fixedly connected with a control frame, and the size of the control frame is matched with the size of the clamping block.

[0010] The effect achieved by the above-mentioned components is that by using the control frame, the contact area between the clamping block and the operator is increased, so that the operator can more easily move the clamping block.

[0011] Preferably, one side of the control frame is fixedly connected with a plurality of anti-skid blocks, and the plurality of anti-skid blocks are equidistantly arranged on one side of the control frame.

[0012] The effect achieved by the above-mentioned components is that by using the anti-skid blocks, the friction between the control frame and the operator is increased, so that the operator can more easily move the control frame.

[0013] Preferably, the two sides of the connecting plate are fixedly connected with reinforcing plates, and one side of the reinforcing plate is fixedly connected with the plate body.

[0014] The effect achieved by the above-mentioned components is that by using the reinforcing plate, the connecting strength between the connecting plate and the plate body is increased to avoid separation of the plate body and the connecting plate.

[0015] Preferably, the fixing plate is provided with an auxiliary device on the side close to the clamping block, the auxiliary device comprises an extension plate, one side of the extension plate is fixedly connected with the fixing plate, a limiting block is slidably connected in the extension plate, and the limiting block is matched with the clamping block in size.

[0016] The clamping block can be kept away from the fixing plate by moving the limiting block, moving the limiting block in the extension plate, and limiting the position of the clamping block by the limiting plate.

[0017] Preferably, one side of the extension plate is fixedly connected with a magnet, one side of the limiting block is fixedly connected with an iron sheet, and the iron sheet is magnetically attracted to the magnet.

[0018] The limiting block is not easy to move after reaching the clamping block by using the magnet to attract the iron sheet on the limiting plate, so that the use effect of the limiting block is improved.

[0019] Preferably, the excavator adopts a hydraulic excavator chassis lower sealing plate.

[0020] Therefore, the excavator has the advantages that:

[0021] The plate body can be quickly fixed to the bottom of the chassis by using the fixing device, the clamping block is not close to the ground, the influence of sundries on the ground on the clamping block is reduced, and the clamping block is convenient for subsequent disassembly and maintenance of the plate body of the lower sealing plate, so that the use effect of the lower sealing plate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic diagram of the utility model fixing device;

[0024] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure 2 ;

[0025] Figure 4 It is an enlarged view of A of the utility model Figure 3 .

[0026] Figure legend: 1, plate body; 2, fixing device; 21, connecting plate; 22, clamping block; 23, fixed plate; 24, L-shaped plate; 25, spring; 26, telescopic rod; 27, control frame; 28, anti-skid block; 29, reinforcing block; 3, auxiliary device; 31, extension plate; 32, limiting block; 33, magnet; 34, iron sheet; 4, chassis; 5, fuselage. DETAILED DESCRIPTION

[0027] Referring to Figures 1-4 The embodiment shown discloses a hydraulic excavator chassis lower sealing plate, which comprises a plate body 1, one side of the plate body 1 is provided with a fixing device 2, the plate body 1 is fixedly connected with the chassis 4 through the fixing device 2, and one side of the chassis 4 is provided with a fuselage 5.

[0028] Referring to Figures 1-4 The embodiment shown discloses a fixing device 2, which comprises a connecting plate 21, the connecting plate 21 is fixedly connected with the plate body 1, one side of the connecting plate 21 is clamped with a clamping block 22, the surface of the clamping block 22 is clamped with a fixed plate 23, the fixed plate 23 is fixedly connected with the chassis 4, one side of the fixed plate 23 is fixedly connected with an L-shaped plate 24, one side of the L-shaped plate 24 is fixedly connected with a spring 25, and one side of the spring 25 is fixedly connected with the clamping block 22. When the lower sealing plate is used, the plate body 1 is fixed to the chassis 4 of the hydraulic excavator to shield and protect the internal components of the center return body of the chassis 4 of the hydraulic excavator, and then the fuselage 5 is used. When the plate body 1 is fixed to the chassis 4, the clamping block 22 can be moved to make the clamping block 22 disengage from the fixed plate 23, at this time the spring 25 is compressed on one side of the L-shaped plate 24, then the plate body 1 is moved to make the connecting plate 21 of the plate body 1 reach the inside of the fixed plate 23, then the clamping block 22 is loosened, and then the spring 25 resets to drive the clamping block 22 to pass through the fixed plate 23 and be clamped and fixed with the connecting plate 21, then the plate body 1 is quickly fixed to the chassis 4, when the plate body 1 is disassembled, the plate body 1 is supported, then the clamping block 22 is moved to make the clamping block 22 disengage from the connecting plate 21 and the fixed plate 23, so that the plate body 1 can be disassembled from the chassis 4, by using the fixing device 2, the plate body 1 can be quickly fixed to the bottom of the chassis 4, the clamping block 22 is not close to the ground, the influence of sundries on the ground on the clamping block 22 is reduced, and then the clamping block 22 is convenient for subsequent disassembly and maintenance of the plate body 1 of the lower sealing plate, thereby the use effect of the lower sealing plate can be improved.

[0029] Referring to Figures 1-4As shown, the spring 25 is sleeved with the telescopic rod 26, and the two ends of the telescopic rod 26 are fixedly connected with the L-shaped plate 24 and the clamping block 22 respectively. By using the telescopic rod 26, the shape of the spring 25 is limited, so that the spring 25 is prevented from being bent under stress and then affecting the use of the spring 25. The clamping block 22 is fixedly connected with the control frame 27 on one side, and the size of the control frame 27 is matched with the size of the clamping block 22. By using the control frame 27, the contact area between the clamping block 22 and the operator is increased, so that the operator can more easily move the clamping block 22. The control frame 27 is fixedly connected with the plurality of anti-skid blocks 28 on one side, and the plurality of anti-skid blocks 28 are equidistantly arranged on one side of the control frame 27. By using the anti-skid blocks 28, the friction between the control frame 27 and the operator is increased, so that the operator can more easily move the control frame 27. The connecting plate 21 is fixedly connected with the reinforcing plate on both sides, and the reinforcing plate is fixedly connected with the plate body 1 on one side. By using the reinforcing plate, the connecting strength between the connecting plate 21 and the plate body 1 is increased, so that the plate body 1 and the connecting plate 21 are prevented from being separated.

[0030] Referring to Figures 1-4 As shown, the fixed plate 23 is provided with the auxiliary device 3 on the side close to the clamping block 22, and the auxiliary device 3 comprises the extension plate 31, the extension plate 31 is fixedly connected with the fixed plate 23 on one side, and the limit block 32 is slidably connected in the extension plate 31. The size of the limit block 32 is matched with the size of the clamping block 22. When the clamping block 22 is separated from the fixed plate 23, the limit block 32 can be moved to move in the extension plate 31, so that the clamping block 22 is kept in the state of being separated from the fixed plate 23. By using the auxiliary device 3, the clamping block 22 can be kept in the state of being separated from the fixed plate 23, and then the connecting plate 21 can be conveniently put into or separated from the fixed plate 23. The extension plate 31 is fixedly connected with the magnetite 33 on one side, the limit block 32 is fixedly connected with the iron sheet 34 on one side, and the iron sheet 34 is magnetically attracted to the magnetite 33. By using the magnetite 33, the iron sheet 34 on the limit block 32 is adsorbed, so that the limit block 32 is not easily moved after reaching the clamping block 22, thereby improving the use effect of the limit block 32.

[0031] Working principle: when using the lower sealing plate, the plate body 1 is fixed to the chassis 4 of the hydraulic excavator, and the center of the chassis 4 of the hydraulic excavator is shielded and protected, and then the machine body 5 is used. When the plate body 1 is fixed to the chassis 4, the clamping block 22 can be moved to make the clamping block 22 separate from the fixed plate 23, at this time the spring 25 is compressed on one side of the L-shaped plate 24, then the plate body 1 is moved, the connecting plate 21 of the plate body 1 reaches the inside of the fixed plate 23, then the clamping block 22 is loosened, and then the spring 25 resets, drives the clamping block 22 to pass through the fixed plate 23 and the connecting plate 21 Clamping and fixing, then quickly fixing the plate body 1 to the chassis 4, supporting the plate body 1 when disassembling the plate body 1, then moving the clamping block 22 to make the clamping block 22 separate from the connecting plate 21 and the fixed plate 23, so that the plate body 1 can be disassembled from the chassis 4, by using the fixing device 2, the plate body 1 can be quickly fixed to the bottom of the chassis 4, and the clamping block 22 is not close to the ground, reducing the influence of sundries on the ground on the clamping block 22, then facilitating the subsequent use of the clamping block 22 to disassemble and maintain the plate body 1 of the lower sealing plate, so as to improve the use effect of the lower sealing plate.

[0032] When the clamping block 22 separates from the fixed plate 23, the limiting block 32 can be moved to move in the extension plate 31, and then the limiting plate limits the position of the clamping block 22, and keeps the clamping block 22 in the state of separating from the fixed plate 23, at this time the magnet 33 is used to adsorb the iron sheet 34 on the limiting plate, so that the limiting block 32 reaches the clamping block 22 and is not easy to move, by using the auxiliary device 3, the clamping block 22 can be kept in the state of separating from the fixed plate 23, then the connecting plate 21 can be conveniently put into or separated from the fixed plate 23.

Claims

1. A hydraulic excavator under chassis seal plate comprising a plate body (1), characterized in that: A fixing device (2) is provided on one side of the plate body (1), and the plate body (1) is fixedly connected to the chassis (4) by means of the fixing device (2). A fuselage (5) is provided on one side of the chassis (4). The fixing device (2) comprises a connecting plate (21), and the connecting plate (21) is fixedly connected to the plate body (1). A clamping block (22) is clamped on one side of the connecting plate (21), and a fixing plate (23) is clamped on the surface of the clamping block (22). The fixing plate (23) is fixedly connected to the chassis (4). An L-shaped plate (24) is fixedly connected to one side of the fixing plate (23), and a spring (25) is fixedly connected to one side of the L-shaped plate (24). One side of the spring (25) is fixedly connected to the clamping block (22).

2. The undercarriage enclosure for a hydraulic excavator of claim 1, wherein: A telescopic rod (26) is sleeved inside the spring (25), and two ends of the telescopic rod (26) are fixedly connected to the L-shaped plate (24) and the clamping block (22) respectively.

3. The undercarriage shield for a hydraulic excavator of claim 2, wherein: One side of the clamping block (22) is fixedly connected to a control frame (27), and the size of the control frame (27) is adapted to the size of the clamping block (22).

4. The undercarriage shield for a hydraulic excavator of claim 3, wherein: One side of the control frame (27) is fixedly connected with a plurality of anti-sliding blocks (28), and the plurality of anti-sliding blocks (28) are arranged at equal distances on one side of the control frame (27).

5. The undercarriage shield for a hydraulic excavator of claim 4, wherein: Reinforcement plates are fixedly connected to both sides of the connecting plate (21), and one side of the reinforcement plate is fixedly connected to the plate body (1).

6. The undercarriage shield for a hydraulic excavator of claim 5, wherein: An auxiliary device (3) is provided on one side of the fixed plate (23) close to the clamping block (22), and the auxiliary device (3) comprises an extension plate (31), one side of the extension plate (31) is fixedly connected to the fixed plate (23), and the interior of the extension plate (31) is slidably connected to a limit block (32), and the size of the limit block (32) is adapted to the size of the clamping block (22).

7. The undercarriage shield for a hydraulic excavator of claim 6, wherein: One side of the extension plate (31) is fixedly connected to a magnet (33), and one side of the limit block (32) is fixedly connected to an iron sheet (34), and the iron sheet (34) and the magnet (33) are magnetically attracted to each other.

8. An excavator characterised in that: A hydraulic excavator chassis lower cover plate according to any one of claims 1 to 7 is used.

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