Heavy clamp holder and hydraulic excavator

Abstract

The heavy clamp holder comprises an excavator bucket rod, connecting plates are rotationally connected to the two sides of the outer surface of the excavator bucket rod, an inclination adjusting assembly is jointly installed between the two connecting plates and the excavator bucket rod, and a mounting base is jointly installed at the bottoms of the two connecting plates; a hydraulic angle adjusting assembly is mounted in the mounting seat, a movable seat is mounted at the movable end of the hydraulic angle adjusting assembly, a pushing oil cylinder is fixedly connected to the top of the movable seat, and a moving assembly is mounted in the movable seat. Through the arrangement of the mounting plate, the inclination adjusting assembly, the hydraulic angle adjusting assembly, the connecting plate, the mounting base, the movable base, the pushing oil cylinder, the moving assembly and the clamping piece, a concrete prefabricated part can be clamped and fixed in a clamping mode, an original telescopic hoisting mode is replaced, the concrete prefabricated part can be prevented from falling off, and the working efficiency is improved. Therefore, the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic excavators, in particular to a heavy-duty clamp and a hydraulic excavator. Background Art

[0002] Hydraulic excavator is a multifunctional machine that is widely used in mechanical construction such as water conservancy projects, transportation, power projects and mining. It plays a very important role in reducing heavy physical labor, ensuring project quality, speeding up construction and improving labor productivity.

[0003] At present, the main function of hydraulic excavators in railway construction is excavation. In some railway construction projects, ropes are used in conjunction with hydraulic excavators to lift precast concrete parts. However, in actual operations, precast concrete parts often fall due to slipping or instability, posing serious safety hazards. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a heavy-duty clamp and a hydraulic excavator, which solve the problem that the existing hydraulic excavator uses ropes for lifting, which easily causes the concrete prefabricated parts to fall, posing a serious safety hazard.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a heavy-duty clamp and a hydraulic excavator, comprising an excavator boom, both sides of the outer surface of the excavator boom are rotatably connected with connecting plates, an inclination adjustment component is commonly installed between the two connecting plates and the excavator boom, a mounting seat is commonly installed at the bottom of the two connecting plates, a hydraulic angle adjustment component is installed inside the mounting seat, a movable seat is installed at the movable end of the hydraulic angle adjustment component, a pushing cylinder is fixedly connected to the top of the movable seat, a moving component is installed inside the movable seat, and the driving end of the pushing cylinder is connected to the moving component, mounting plates are installed at both movable ends of the moving component, a limiting component is commonly installed between the mounting plate and the movable seat, a clamp is provided on adjacent sides of the two mounting plates, and a connecting component is commonly installed between the two clamps and adjacent mounting plates.

[0008] Preferably, the inclination adjustment assembly includes a fixed seat, and the fixed seat is fixedly connected to the excavator boom, the mounting end of the fixed seat is fixedly connected to a telescopic cylinder, the movable end of the telescopic cylinder is fixedly connected to a fixed rod, both ends of the fixed rod are rotatably connected to connecting rods, and the connecting rod is rotatably connected to the excavator boom, the outer surface of the fixed rod is symmetrically rotatably connected to two fixed plates, and the fixed plate is rotatably connected to adjacent connecting plates.

[0009] Preferably, the hydraulic angle adjustment assembly includes a cylinder, and the cylinder is fixedly connected to the mounting seat, two oil chambers are symmetrically opened inside the cylinder, and four connecting oil pipes are symmetrically fixedly passed through the outer surface of the cylinder, and the inner walls of the two oil chambers are symmetrically fixedly connected to two blocks, and the two oil chambers are connected to a rotating shaft for common rotation, and the rotating shaft vertically penetrates the interior of the cylinder and extends to the bottom of the mounting seat and is fixedly connected to the movable seat, and the outer surface of the rotating shaft is symmetrically fixedly connected to two piston plates, and the outer surfaces of the two piston plates are fixedly connected to sealing gaskets.

[0010] Preferably, the moving assembly includes two slide rails, and the slide rails are fixedly connected to the inner wall of the movable seat, the outer surfaces of the two slide rails are slidably connected to racks, the two racks are commonly meshed with a gear, and the gear is rotatably connected to the movable seat, the outer surfaces of the two racks are fixedly connected to connecting blocks, and the connecting blocks are fixedly connected to the mounting plate, one end of a single rack is fixedly connected to a push plate, and the push plate is fixedly connected to the movable end of the pushing cylinder.

[0011] Preferably, a travel groove is provided on the top of the movable seat, and the travel groove matches the push plate.

[0012] Preferably, the two limit assemblies each include a slide groove, and the slide groove is opened at the bottom of the movable seat, a slider is slidably connected inside the slide groove, and the slider is fixedly connected to the adjacent mounting plate.

[0013] Preferably, the two connecting components each include two positioning slots, and the positioning slots are opened on the outer surface of the mounting plate, two positioning mounting blocks are provided inside the two positioning slots, an assembly plate is fixedly connected between the two positioning mounting blocks, and the assembly plate is fixedly connected to the clamping member.

[0014] Preferably, two mounting holes are provided on both sides of the outer surface of the mounting plate, screw holes matching the mounting holes are provided on the outer surfaces of the two positioning mounting blocks, and locking bolts are installed between the screw holes and adjacent mounting holes.

[0015] Working principle: First, complete the hydraulic oil pipe of the excavator. When in use, the corresponding clamping parts can be replaced according to the shape of the concrete prefabricated parts to be clamped, and the positioning mounting block is aligned with the positioning slot hole. Then, the positioning mounting block is locked and fixed by the locking bolts, mounting holes and screw holes, thereby completing the fixation of the clamping parts. The clamping angles of the two clamps are adjusted according to the placement direction and placement angle of the precast concrete parts. First, the telescopic cylinder pushes the fixed rod to move, thereby pushing the connecting plate through the fixed plate to rotate around the rotating connection between the connecting plate and the excavator boom, thereby driving the movable seat to swing through the installation and hydraulic angle adjustment components, thereby driving the two mounting plates to swing through the moving components and the limit components, thereby changing the inclination of the clamp through the connecting components until the required degree is reached, and then one of the two adjacent oil pipes is filled with oil and the other is discharged, thereby pushing the piston plates in the two oil chambers to move through the hydraulic oil, thereby driving the rotating shaft to rotate, thereby driving the movable seat to rotate, thereby changing the angles of the two clamps through various components until the required degree is reached, and finally during clamping, the push cylinder pushes the rack to move through the push plate, thereby driving the other rack to rotate through the gear, thereby driving the two mounting plates to approach each other through the connecting block, thereby driving the two clamps to approach each other through the connecting component until the precast concrete parts are clamped and fixed.

[0016] (III) Beneficial effects

[0017] The utility model provides a heavy-duty clamp and a hydraulic excavator.

[0018] It has the following beneficial effects:

[0019] 1. The utility model can clamp and fix the precast concrete parts by means of the mounting plate, the inclination adjustment component, the hydraulic angle adjustment component, the connecting plate, the mounting seat, the movable seat, the pushing cylinder, the moving component and the clamping member, replacing the original telescopic lifting method, thereby preventing the precast concrete parts from falling and increasing the safety of use.

[0020] 2. The utility model can replace different clamping parts according to the shape of the concrete prefabricated parts through the installation plate and the connection assembly, thereby increasing the overall scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A perspective view of a heavy-duty gripper and a hydraulic excavator;

[0022] Figure 2 A cross-sectional view of a heavy-duty clamp and a cylinder in a hydraulic excavator;

[0023] Figure 3 A schematic diagram of the connection between a heavy-duty clamp and a clamping member and an assembly plate in a hydraulic excavator;

[0024] Figure 4 It is a schematic diagram of the structure of a heavy-duty clamp and a moving component in a hydraulic excavator;

[0025] Figure 5 The present invention is a schematic diagram of the structure of a heavy-duty clamp and a limit assembly in a hydraulic excavator.

[0026] Among them, 1. excavator bucket arm; 2. connecting rod; 3. cylinder; 4. mounting seat; 5. movable seat; 6. positioning slot; 7. mounting plate; 8. fixed seat; 9. telescopic cylinder; 10. fixing rod; 11. fixing plate; 12. connecting plate; 13. locking bolt; 14. clamping piece; 15. oil chamber; 16. rotating shaft; 17. block; 18. sealing gasket; 19. piston plate; 20. oil pipe; 21. screw hole; 22. assembly plate; 23. positioning mounting block; 24. connecting block; 25. rack; 26. gear; 27. slide rail; 28. travel groove; 29. ​​push cylinder; 30. push plate; 31. slide groove; 32. slider; 33. mounting hole. DETAILED DESCRIPTION

[0027] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] like Figure 1-5 As shown, an embodiment of the utility model provides a heavy-duty clamp and a hydraulic excavator, including an excavator boom 1, both sides of the outer surface of the excavator boom 1 are rotatably connected with connecting plates 12, an inclination adjustment component is commonly installed between the two connecting plates 12 and the excavator boom 1, a mounting seat 4 is commonly installed at the bottom of the two connecting plates 12, a hydraulic angle adjustment component is installed inside the mounting seat 4, a movable seat 5 is installed at the movable end of the hydraulic angle adjustment component, a pushing cylinder 29 is fixedly connected to the top of the movable seat 5, a moving component is installed inside the movable seat 5, and the driving end of the pushing cylinder 29 is connected to the moving component, mounting plates 7 are installed at both movable ends of the moving component, a limiting component is commonly installed between the mounting plate 7 and the movable seat 5, a clamp 14 is provided on the adjacent side of the two mounting plates 7, and a connecting component is commonly installed between the two clamps 14 and the adjacent mounting plates 7.

[0030] Figure 1As shown, the inclination adjustment assembly includes a fixed seat 8, and the fixed seat 8 is fixedly connected to the excavator boom 1, the mounting end of the fixed seat 8 is fixedly connected to a telescopic cylinder 9, the movable end of the telescopic cylinder 9 is fixedly connected to a fixed rod 10, both ends of the fixed rod 10 are rotatably connected to connecting rods 2, and the connecting rod 2 is rotatably connected to the excavator boom 1, the outer surface of the fixed rod 10 is symmetrically rotatably connected to two fixed plates 11, and the fixed plate 11 is rotatably connected to the adjacent connecting plate 12, the telescopic cylinder 9 pushes the fixed rod 10 to move, thereby pushing the connecting plate 12 to rotate around the rotating connection between the connecting plate 12 and the excavator boom 1 through the fixed plate 11.

[0031] Figure 1 and Figure 2 As shown, the hydraulic angle adjustment assembly includes a cylinder 3, and the cylinder 3 is fixedly connected to the mounting seat 4, two oil chambers 15 are symmetrically provided inside the cylinder 3, and four connecting oil pipes 20 are symmetrically fixedly passed through the outer surface of the cylinder 3, and the inner walls of the two oil chambers 15 are symmetrically fixedly connected with two blocks 17, and a rotating shaft 16 is rotatably connected between the two oil chambers 15, and the rotating shaft 16 vertically penetrates the interior of the cylinder 3 and extends to the bottom of the mounting seat 4 and is fixedly connected to the movable seat 5, and two piston plates 19 are symmetrically fixedly connected to the outer surface of the rotating shaft 16, and the outer surfaces of the two piston plates 19 are fixedly connected with sealing gaskets 18, and the setting of the sealing gaskets 18 is to ensure its sealing performance to prevent the hydraulic oil on both sides of the piston plate 19 from circulating with each other, resulting in the piston plate 19 being unable to be driven, thereby unable to drive the rotating shaft 16 to rotate.

[0032] Figure 1 , Figure 3 and Figure 5 As shown, the two connection components each include two positioning slots 6, and the positioning slots 6 are provided on the outer surface of the mounting plate 7. Two positioning mounting blocks 23 are provided inside the two positioning slots 6. The two positioning mounting blocks 23 are fixedly connected to the assembly plate 22, and the assembly plate 22 is fixedly connected to the clamping member 14. Two mounting holes 33 are provided on both sides of the outer surface of the mounting plate 7. The outer surfaces of the two positioning mounting blocks 23 are provided with screw holes 21 matching the mounting holes 33. The screw holes 21 and the adjacent mounting holes 33 are commonly installed with locking bolts 13. The positioning mounting blocks 23 are aligned with the positioning slots 6 and placed, and then the positioning mounting blocks 23 are locked and fixed by the locking bolts 13, the mounting holes 33 and the screw holes 21, thereby completing the fixing of the clamping member 14.

[0033] Figure 4As shown, the moving assembly includes two slide rails 27, and the slide rails 27 are fixedly connected to the inner wall of the movable seat 5. The outer surfaces of the two slide rails 27 are slidably connected with racks 25. The slide rails 27 have a limiting effect on the racks 25 to ensure that the racks 25 can move stably. The two racks 25 are meshed with a gear 26, and the gear 26 is rotatably connected to the movable seat 5. The outer surfaces of the two racks 25 are fixedly connected with connecting blocks 24, and the connecting blocks 24 are fixedly connected to the mounting plate 7. One end of a single rack 25 is fixedly connected to a push plate 30, and the push plate 30 is fixedly connected to the movable end of the push cylinder 29. A travel groove 28 is provided on the top of the movable seat 5, and the travel groove 28 matches the push plate 30. The push cylinder 29 pushes the adjacent rack 25 to move through the push plate 30, thereby driving another rack 25 to move through the gear 26, so that the two connecting blocks 24 are close to each other. When the connecting blocks 24 are close to each other, they drive the two mounting plates 7 to approach each other.

[0034] Figure 5 As shown, the two limiting components both include a slide groove 31, and the slide groove 31 is opened at the bottom of the movable seat 5. The slide groove 31 is internally slidably connected with a slider 32, and the slider 32 is fixedly connected to the adjacent mounting plate 7. The slider 32 cooperates with the slide groove 31 to limit the mounting plate 7, and can ensure the stable movement of the mounting plate 7.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprising a reference structure" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty clamp, comprising an excavator boom (1), characterized in that: Both sides of the outer surface of the excavator boom (1) are rotatably connected with connecting plates (12), and an inclination adjustment component is installed between the two connecting plates (12) and the excavator boom (1). A mounting seat (4) is installed at the bottom of the two connecting plates (12), and a hydraulic angle adjustment component is installed inside the mounting seat (4). A movable seat (5) is installed at the movable end of the hydraulic angle adjustment component, and a pushing cylinder (29) is fixedly connected to the top of the movable seat (5). A moving component is installed inside the movable seat (5), and the driving end of the pushing cylinder (29) is connected to the moving component. The two movable ends of the moving component are installed with mounting plates (7), and a limiting component is installed between the mounting plate (7) and the movable seat (5). A clamping member (14) is provided on the adjacent side of the two mounting plates (7), and a connecting member is installed between the two clamping members (14) and the adjacent mounting plates (7).

2. A heavy-duty clamp according to claim 1, characterized in that: The inclination adjustment assembly comprises a fixed seat (8), and the fixed seat (8) is fixedly connected to the excavator boom (1), the mounting end of the fixed seat (8) is fixedly connected to a telescopic cylinder (9), the movable end of the telescopic cylinder (9) is fixedly connected to a fixed rod (10), both ends of the fixed rod (10) are rotatably connected to a connecting rod (2), and the connecting rod (2) and the excavator boom (1) are rotatably connected, the outer surface of the fixed rod (10) is symmetrically rotatably connected to two fixed plates (11), and the fixed plate (11) is rotatably connected to an adjacent connecting plate (12).

3. A heavy-duty clamp according to claim 1, characterized in that: The hydraulic angle adjustment assembly comprises a cylinder (3), and the cylinder (3) is fixedly connected to the mounting seat (4), two oil chambers (15) are symmetrically provided inside the cylinder (3), four connecting oil pipes (20) are symmetrically fixedly passed through the outer surface of the cylinder (3), the inner walls of the two oil chambers (15) are symmetrically fixedly connected to two blocks (17), a rotating shaft (16) is rotatably connected between the two oil chambers (15), and the rotating shaft (16) vertically passes through the interior of the cylinder (3) and extends to the bottom of the mounting seat (4) and is fixedly connected to the movable seat (5), the outer surface of the rotating shaft (16) is symmetrically fixedly connected to two piston plates (19), and the outer surfaces of the two piston plates (19) are fixedly connected to sealing gaskets (18).

4. A heavy-duty clamp according to claim 1, characterized in that: The moving assembly comprises two slide rails (27), and the slide rails (27) are fixedly connected to the inner wall of the movable seat (5), the outer surfaces of the two slide rails (27) are slidably connected with racks (25), the two racks (25) are meshed with a gear (26), and the gear (26) is rotatably connected to the movable seat (5), the outer surfaces of the two racks (25) are fixedly connected with a connecting block (24), and the connecting block (24) is fixedly connected to the mounting plate (7), one end of a single rack (25) is fixedly connected with a push plate (30), and the push plate (30) is fixedly connected to the movable end of the pushing cylinder (29).

5. A heavy-duty clamp according to claim 4, characterized in that: A travel groove (28) is provided on the top of the movable seat (5), and the travel groove (28) matches the push plate (30).

6. A heavy-duty clamp according to claim 1, characterized in that: The two limit assemblies both include a slide groove (31), and the slide groove (31) is opened at the bottom of the movable seat (5). A slider (32) is slidably connected inside the slide groove (31), and the slider (32) is fixedly connected to the adjacent mounting plate (7).

7. A heavy-duty clamp according to claim 1, characterized in that: The two connection components each include two positioning slots (6), and the positioning slots (6) are provided on the outer surface of the mounting plate (7). Two positioning mounting blocks (23) are provided inside the two positioning slots (6). An assembly plate (22) is fixedly connected between the two positioning mounting blocks (23), and the assembly plate (22) is fixedly connected to the clamping member (14).

8. A heavy-duty clamp according to claim 7, characterized in that: Two mounting holes (33) are provided on both sides of the outer surface of the mounting plate (7), and screw holes (21) matching the mounting holes (33) are provided on the outer surfaces of the two positioning mounting blocks (23), and locking bolts (13) are installed between the screw holes (21) and adjacent mounting holes (33).

9. A hydraulic excavator, characterized in that: A heavy-duty clamp comprising any one of claims 1-8.

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