Excavator frame plate assembly

Abstract

The utility model discloses an excavator frame plate assembly which comprises a frame, a shielding plate mechanism is arranged at the bottom of the frame, the shielding plate mechanism comprises two sealing plates and two fixing strips, two mud prevention mechanisms are arranged in the fixing strips, each mud prevention mechanism comprises a cloth shielding strip, a fixing rod, a clockwork spring and a rolling-up rod, and the cloth shielding strips are connected with the fixing rods. And a fixing mechanism is arranged in front of the front fixing strip and comprises three gears, a connecting block, two screw rods, a rotating block and a hexagonal block. According to the excavator frame plate assembly, the sealing plates move to drive the movable plate to move, the movable plate drives the fixed rod to move, the fixed rod pulls the cloth shielding strip to move, the cloth shielding strip moves in the groove, and the two sealing plates are folded, so that the cloth shielding strip is pulled to the end, the cloth shielding strip blocks the sliding groove, and soil is prevented from entering the sliding groove to affect movement of the sealing plates and the movable plate.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to an excavator frame plate assembly. Background Technique

[0002] The crawler hydraulic excavator is a single-bucket hydraulic excavator with a crawler walking chassis. The crawler hydraulic excavator mainly includes an upper slewing platform and a lower walking part. Among them, a cab, a power system, a hydraulic system, a machine shed, etc. are arranged on the upper slewing platform, and the lower walking part includes a lower frame, crawlers, idlers, carrier rollers, drive wheels, etc. The upper slewing platform realizes the relative rotation of the upper part and the lower part through a central swivel joint. At the same time, the hydraulic oil hose of the upper slewing platform passes through the central swivel joint, connects the hose to the drive motor of the lower walking part, and conveys hydraulic oil to the lower part through the hose to realize functions such as the whole machine walking.

[0003] Generally, the inspection hole of the excavator frame fixes the sealing plate on the frame bottom plate through bolts. When it is necessary to inspect the lower pipeline and the central swivel joint, it is necessary to completely remove the fixing bolts of the bottom sealing plate, and it is necessary to completely or partially remove the sealing plate. The thickness of the sealing plate is usually 5-10 mm. For large-tonnage excavators, the weight of the sealing plate usually reaches dozens of kilograms or even hundreds of kilograms. The disassembly process is time-consuming, laborious and unsafe. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an excavator frame plate assembly, which solves the problems put forward in the above background technique.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: an excavator frame plate assembly, including a frame, a shielding mechanism is arranged at the bottom of the frame, the shielding mechanism includes two sealing plates and two fixing strips, and two anti-mud mechanisms are arranged inside the fixing strips. The anti-mud mechanism includes a shielding cloth strip, a fixing rod, a hairspring and a winding rod. A fixing mechanism is arranged in front of the front fixing strip, and the fixing mechanism includes three gears, a connecting block, two screw rods, a rotating block and a hexagonal block.

[0006] Preferably, sliding grooves are opened on the opposite sides of the two fixing strips, two moving plates are integrally formed on the outer side walls of the sealing plates, the upper and lower surfaces of the moving plates are slidably connected with the upper and lower surfaces inside the sliding grooves, and a handle is fixed at the bottom of the moving plates.

[0007] Preferably, circular grooves are formed on both the left and right sides of the inner part of the fixing strip and located in the chute. The upper and lower surfaces of the circular groove are respectively rotatably connected to the two ends of the winding rod. The shading cloth strip is fixed on the outer side wall of the winding rod. Through holes are formed on both the left and right sides of the inner side wall of the chute. One end of the shading cloth strip away from the winding rod passes through the through hole and is fixedly connected to the fixing rod.

[0008] Preferably, the fixing rod is fixedly connected to the moving plate. The clockwork spring is fixed on the outer side wall of the winding rod. The other end of the clockwork spring away from the winding rod is fixedly connected to the inside of the circular groove. Grooves are formed on both the upper and lower surfaces of the inner part of the chute. The upper and lower sides of the shading cloth strip are respectively located inside the grooves.

[0009] Preferably, two threaded holes are formed on the front surface of the front fixing strip. A retaining groove is formed at the bottom of the front moving plate. An activity groove is formed inside the connecting block. The upper and lower surfaces of the gear are respectively rotatably connected to the upper and lower surfaces of the inside of the activity groove. The outer side walls of the two screw rods are respectively fixedly connected to the inner side walls of the two outer gears.

[0010] Preferably, the inner side wall of the middle gear is fixedly connected to the outer side wall of the rotating block. The front end of the rotating block is fixedly connected to the rear end of the hexagonal block. The three gears are meshed with each other. The rear end of the screw rod passes through the connecting block and is screwed into the threaded hole. The rear end of the screw rod is located inside the retaining groove.

[0011] Beneficial effects

[0012] The utility model provides a frame plate assembly for an excavator. Compared with the prior art, the following beneficial effects are achieved:

[0013] 1. For this frame plate assembly of the excavator, by setting the shielding mechanism and the fixing mechanism, use a wrench to rotate the hexagonal block. The hexagonal block drives the rotating block to rotate. The rotating block drives the middle gear to rotate. The middle gear drives the two outer gears to rotate. The two outer gears drive the screw rod to rotate. The screw rod rotates and moves out of the inside of the retaining groove. Then hold the handle and pull the handle. The handle drives the sealing plate to move. In this way, the sealing plate can be opened without removing the sealing plate. After the maintenance work is completed, directly slide the sealing plate in the reverse direction and reverse the hexagonal block to make the screw rod insert into the inside of the retaining groove again.

[0014] 2. For this frame plate assembly of the excavator, by setting the anti-mud mechanism, the movement of the sealing plate will drive the moving plate to move. The moving plate drives the fixing rod to move. The fixing rod pulls the shading cloth strip to move. The shading cloth strip moves inside the groove. When the two sealing plates are closed, the shading cloth strip is pulled to the end. The shading cloth strip blocks the chute to prevent mud from entering the chute and affecting the movement of the sealing plate and the moving plate. Description of the drawings

[0015] Figure 1 This is a schematic structural diagram of the present utility model;

[0016] Figure 2 This is a schematic cross-sectional structural diagram of the fixing strip in the present utility model;

[0017] Figure 3 For the present utility model Figure 2 A schematic structural diagram of the structure at position A in;

[0018] Figure 4 This is a schematic cross-sectional structural diagram of the connecting block in the present utility model;

[0019] Figure 5 This is a schematic side view structural diagram of the fixing strip in the present utility model.

[0020] In the figure: 1, vehicle frame; 2, shielding mechanism; 3, sliding groove; 4, fixing mechanism; 5, fixing strip; 6, sealing plate; 7, shielding cloth strip; 8, clockwork spring; 9, winding rod; 10, round groove; 11, moving plate; 12, grip; 13, threaded hole; 14, retaining groove; 15, fixing rod; 16, gear; 17, rotating block; 18, hexagonal block; 19, connecting block; 20, screw rod; 21, through hole; 22, groove; 23, movable groove; 24, mud-proof mechanism. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-5, the present utility model provides a technical solution: a frame plate assembly of an excavator, which includes a frame 1. A shielding mechanism 2 is provided at the bottom of the frame 1. The shielding mechanism 2 includes two sealing plates 6 and two fixing strips 5. Two anti-mud mechanisms 24 are provided inside the fixing strip 5. The anti-mud mechanism 24 includes a shielding cloth strip 7, a fixing rod 15, a clockwork spring 8 and a winding rod 9. A fixing mechanism 4 is provided in front of the front fixing strip 5. The fixing mechanism 4 includes three gears 16, a connecting block 19, two screw rods 20, a rotating block 17 and a hexagonal block 18. Sliding grooves 3 are opened on the opposite sides of the two fixing strips 5. Two moving plates 11 are integrally formed on the outer side wall of the sealing plate 6. The upper and lower surfaces of the moving plate 11 are slidably connected to the upper and lower surfaces inside the sliding groove 3. A grip 12 is fixed to the bottom of the moving plate 11. Circular grooves 10 are opened on the left and right sides of the sliding groove 3 inside the fixing strip 5. The upper and lower surfaces inside the circular groove 10 are respectively rotatably connected to the two ends of the winding rod 9. The shielding cloth strip 7 is fixed to the outer side wall of the winding rod 9. Through holes 21 are opened on the left and right sides of the inner side wall of the sliding groove 3. One end of the shielding cloth strip 7 away from the winding rod 9 passes through the through hole 21 and is fixed to the fixing rod 15. The fixing rod 15 is fixed to the moving plate 11. The clockwork spring 8 is fixed to the outer side wall of the winding rod 9. The other end of the clockwork spring 8 away from the winding rod 9 is fixed to the inside of the circular groove 10. Grooves 22 are opened on the upper and lower surfaces inside the sliding groove 3. The upper and lower sides of the shielding cloth strip 7 are respectively located inside the grooves 22. When the sealing plate 6 moves, it will drive the moving plate 11 to move. The moving plate 11 drives the fixing rod 15 to move. The fixing rod 15 pulls the shielding cloth strip 7 to move. The shielding cloth strip 7 moves inside the groove 22. When the two sealing plates 6 are closed, the shielding cloth strip 7 is pulled to the end. The shielding cloth strip 7 blocks the sliding groove 3 to prevent soil from entering the sliding groove 3 and affecting the movement of the sealing plate 6 and the moving plate 11.

[0023] Furthermore, two threaded holes 13 are formed in the front surface of the front fixing bar 5, a retaining groove 14 is formed in the bottom of the front moving plate 11, a movable groove 23 is formed in the connecting block 19, the upper and lower surfaces of the gear 16 are respectively rotatably connected to the upper and lower inner surfaces of the movable groove 23, the outer side walls of the two screw rods 20 are respectively fixedly connected to the inner side walls of the two outer gears 16, the inner side wall of the middle gear 16 is fixedly connected to the outer side wall of the rotating block 17, the front end of the rotating block 17 is fixedly connected to the rear end of the hexagonal block 18, the three gears 16 are meshed with each other, the rear end of the screw rod 20 passes through the connecting block 19 and is screwed with the threaded hole 13, and the rear end of the screw rod 20 is located inside the retaining groove 14. When using a wrench to rotate the hexagonal block 18, the hexagonal block 18 drives the rotating block 17 to rotate, the rotating block 17 drives the middle gear 16 to rotate, the middle gear 16 drives the two outer gears 16 to rotate, the two outer gears 16 drive the screw rod 20 to rotate, and the screw rod 20 rotates and moves out of the retaining groove 14. Then hold the handle 12 and pull the handle 12, and the handle 12 drives the sealing plate 6 to move, so that the sealing plate 6 can be opened without removing the sealing plate 6. After the maintenance work is completed, directly slide the sealing plate 6 in the reverse direction and reverse the hexagonal block 18 to insert the screw rod 20 into the retaining groove 14 again.

[0024] During operation, use a wrench to rotate the hexagonal block 18, the hexagonal block 18 drives the rotating block 17 to rotate, the rotating block 17 drives the middle gear 16 to rotate, the middle gear 16 drives the two outer gears 16 to rotate, the two outer gears 16 drive the screw rod 20 to rotate, and the screw rod 20 rotates and moves out of the retaining groove 14. Then hold the handle 12 and pull the handle 12, and the handle 12 drives the sealing plate 6 to move, so that the sealing plate 6 can be opened without removing the sealing plate 6. After the maintenance work is completed, directly slide the sealing plate 6 in the reverse direction and reverse the hexagonal block 18 to insert the screw rod 20 into the retaining groove 14 again. The movement of the sealing plate 6 will drive the moving plate 11 to move, the moving plate 11 drives the fixing rod 15 to move, the fixing rod 15 pulls the shading strip 7 to move, and the shading strip 7 moves inside the groove 22. When the two sealing plates 6 are closed, the shading strip 7 is pulled to the end, and the shading strip 7 blocks the chute 3 to prevent soil from entering the chute 3 and affecting the movement of the sealing plate 6 and the moving plate 11.

[0025] Meanwhile, the content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0027] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An excavator frame plate assembly, comprising a frame (1), characterized in that: A shield mechanism (2) is provided at the bottom of the frame (1), the shield mechanism (2) comprises two sealing plates (6) and two fixing bars (5), two anti-mud mechanisms (24) are provided inside the fixing bars (5), the anti-mud mechanisms (24) comprise a shielding cloth strip (7), a fixing rod (15), a spring (8) and a winding rod (9), and a fixing mechanism (4) is provided in front of the fixing bars (5), the fixing mechanism (4) comprises three gears (16), a connecting block (19), two screws (20), a rotating block (17) and a hexagonal block (18).

2. The excavator frame plate assembly according to claim 1, characterized in that: The two fixing bars (5) are provided with a sliding groove (3) on opposite sides, and the outer wall of the sealing plate (6) is integrally formed with two movable plates (11), the upper and lower surfaces of the movable plates (11) are slidably connected to the inner upper and lower surfaces of the sliding groove (3), and a handle (12) is fixed to the bottom of the movable plate (11).

3. The excavator frame plate assembly according to claim 2, characterized in that: The interior of the fixing strip (5) is provided with circular grooves (10) on both the left and right sides of the slide groove (3); the upper and lower surfaces of the inner part of the circular groove (10) are rotatably connected to the two ends of the winding rod (9) respectively; the cloth covering strip (7) is fixed to the outer wall of the winding rod (9); the inner wall of the slide groove (3) is provided with through openings (21) on both the left and right sides; the end of the cloth covering strip (7) away from the winding rod (9) passes through the through opening (21) and is fixedly connected to the fixing rod (15).

4. The excavator frame plate assembly according to claim 3, characterized in that: The fixed rod (15) and the movable plate (11) are fixedly connected, the clockwork spring (8) is fixed to the outer wall of the winding rod (9), the other end of the clockwork spring (8) away from the winding rod (9) is fixedly connected to the inside of the circular groove (10), the upper and lower surfaces of the inner part of the slide groove (3) are provided with grooves (22), and the upper and lower parts of the cloth cover strip (7) are respectively located inside the grooves (22).

5. The excavator frame plate assembly according to claim 4, characterized in that: The front surface of the front fixing bar (5) is provided with two threaded holes (13), the bottom of the front movable plate (11) is provided with a retaining groove (14), the interior of the connecting block (19) is provided with a movable groove (23), the upper and lower surfaces of the gear (16) are rotatably connected to the upper and lower surfaces inside the movable groove (23), and the outer side walls of the two screw rods (20) are fixedly connected to the inner side walls of the two outer gears (16).

6. The excavator frame plate assembly according to claim 5, characterized in that: The inner wall of the middle gear (16) and the outer wall of the rotating block (17) are fixedly connected, the front end of the rotating block (17) and the rear end of the hexagonal block (18) are fixedly connected, the three gears (16) are meshedly connected, the rear end of the screw rod (20) passes through the connecting block (19) and is screwed to the threaded hole (13), and the rear end of the screw rod (20) is located inside the retaining groove (14).

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