Frame assembly of excavator

Abstract

The utility model provides an excavator frame assembly which comprises an upper frame and a lower frame, the upper frame is connected to the lower frame in a rotating mode, an excavating shovel arm is arranged on the upper frame, the upper frame comprises a frame body, and an engine installation frame assembly is arranged on the frame body. A radiator mounting frame assembly is arranged on the side, away from the digging shovel arm, of the engine mounting frame assembly. By means of the structure, when the position of the radiator installation frame assembly needs to be adjusted, due to the fact that the locating rod is arranged on the locating piece of the fixing assembly and matched with the adjusting hole, the locating piece can be limited to the position of the adjusting hole, and then the locating protruding point on the fixing piece is matched with the locating groove in the locating piece. After the nut is screwed into the screw rod, the positioning piece can be clamped on the screw cap to play a positioning role, so that the position of the radiator mounting rack assembly is conveniently adjusted, and the mounting position of a radiator can be ensured to achieve an optimal radiating effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator frame technical field especially relates to excavator frame assembly. BACKGROUND

[0002] The excavator is also called excavating machine, uses the shovel to excavate the material higher or lower than the machine surface and is loaded into the transport vehicle or unloads to the stockpile field earthwork machine.

[0003] The frame assembly is a supporting component for connecting the excavating part and the driving part of the excavator, and the frame assembly comprises an upper frame and a lower frame.

[0004] However, the position of the existing upper frame located at the radiator is inconvenient to adjust the position according to the demand of the heat dissipation position when installing the radiator, which causes the radiator installed at the position to not reach the best heat dissipation effect. UTILITY MODEL CONTENTS

[0005] The utility model discloses excavator frame assembly mainly solves the problem that the upper frame is inconvenient to flexibly install the position of the radiator.

[0006] To achieve the purpose, the technical scheme of the utility model is as follows:

[0007] The utility model provides a kind of excavator frame assembly, including upper frame and lower frame, the upper frame is rotatably connected on lower frame, excavating arm is provided on the upper frame, the upper frame includes frame frame body, engine mounting rack assembly is provided on the frame frame body, engine mounting rack assembly is provided with radiator mounting rack assembly on the side away from excavating arm;

[0008] The engine mounting rack assembly includes the Z-shaped support of symmetrical arrangement, the Z-shaped support is provided with the long strip-shaped moving hole corresponding the position of radiator mounting rack assembly, the side of moving hole is provided with multiple position adjustment holes, and the radiator mounting rack assembly is fixed on the position of adjustment hole by fixed component;

[0009] The fixed component includes fixing piece, positioning piece, nut, the fixing piece includes screw rod, the screw rod passes through Z-shaped support and radiator mounting rack assembly in sequence, one end of screw rod is provided with nut, the side of nut towards positioning piece is provided with one concave positioning convex point, the positioning piece is provided with the positioning rod matched with adjustment hole, and the positioning piece is provided with the positioning groove matched with positioning convex point.

[0010] In an embodiment, the heat sink mounting rack assembly comprises a heat sink mounting frame, and the heat sink mounting frame is provided with fixing holes corresponding to the positions of the screw rods.

[0011] In an embodiment, the Z-shaped support is provided with a counterweight fixing hole, the heat sink mounting frame is provided with a support plate corresponding to the position of the counterweight fixing hole, and the support plate is provided with an open slot corresponding to the position of the counterweight fixing hole.

[0012] In an embodiment, the frame body is provided with a shovel arm hinged plate set corresponding to the position of the shovel arm, and one side of the shovel arm hinged plate set is gradually bent to form a bent support plate towards the heat sink mounting rack assembly.

[0013] In an embodiment, the frame body is provided with a left cross beam between the left Z-shaped support, and a right cross beam between the right Z-shaped support, and the left cross beam and the right cross beam are both in the shape of a U with an opening, and the openings of the left cross beam and the right cross beam face the lower frame.

[0014] In an embodiment, the frame body is provided with a right support beam between the right Z-shaped support, and the right support beam is in the shape of a Z.

[0015] In an embodiment, the frame body is provided with a cab mounting seat on one side, and the cab mounting seat comprises a support bottom plate and a connecting beam, the connecting beam is in the shape of a U, and the support bottom plate and the connecting beam are in an integrated structure.

[0016] In an embodiment, the frame body is provided with a rotary support mounting plate and a rotary motor mounting plate corresponding to the position of the bent support plate of the shovel arm hinged plate set.

[0017] The above technical solution has at least the following advantages or beneficial effects: when the position of the heat sink mounting rack assembly needs to be adjusted, the positioning member of the fixing assembly is provided with a positioning rod, and the positioning rod is matched with the adjusting hole, so that the positioning member can be limited at the position of the adjusting hole, and then the positioning convex point on the fixing member is matched with the positioning groove on the positioning member, so that after the nut is screwed into the screw rod, the positioning member can be clamped on the nut, thereby playing a positioning role, so as to facilitate the position adjustment of the heat sink mounting rack assembly, so as to ensure that the installation position of the heat sink can achieve the best heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the general description of the application given above, and the detailed description of the embodiments given below, serve to explain the principles of the present application. These drawings are included herewith and constitute a part of this specification. In the drawings:

[0019] Figure 1 A structural schematic diagram of a vehicle frame assembly according to an exemplary embodiment of the present application is shown;

[0020] Figure 2 A structural schematic diagram of an upper vehicle frame according to an exemplary embodiment of the present application is shown;

[0021] Figure 3 A structural schematic diagram of an engine mounting bracket assembly, a radiator mounting bracket assembly and a fixing assembly according to an exemplary embodiment of the present application is shown;

[0022] Figure 4 A structural schematic diagram of an engine mounting bracket assembly, a radiator mounting bracket assembly and a fixing assembly according to an exemplary embodiment of the present application is shown; Figure 3 A structural schematic diagram of an engine mounting bracket assembly, a radiator mounting bracket assembly and a fixing assembly according to an exemplary embodiment of the present application is shown;

[0023] Figure 5 A structural schematic diagram of an engine mounting bracket assembly, a radiator mounting bracket assembly and a fixing assembly according to an exemplary embodiment of the present application is shown;

[0024] Figure 6 A structural schematic diagram of an engine mounting bracket assembly, a radiator mounting bracket assembly and a fixing assembly according to an exemplary embodiment of the present application is shown.

[0025] BRIEF DESCRIPTION OF THE DRAWINGS

[0026] 1, upper vehicle frame;

[0027] 11, vehicle frame body; 111, rotary support mounting plate; 112, rotary motor mounting plate; 12, engine mounting bracket assembly; 121, Z-shaped support; 122, moving hole; 123, adjusting hole;

[0028] 124, counterweight fixing hole; 13, radiator mounting bracket assembly; 131, radiator mounting frame; 132, fixing hole; 133, support plate; 134, open slot; 14, shovel arm hinged plate group; 15, left cross beam; 16, right cross beam; 17, right support beam; 18, cab mounting seat; 181, support bottom plate; 182, connecting beam;

[0029] 2, lower vehicle frame;

[0030] 3, excavator shovel arm;

[0031] 4, fixing assembly;

[0032] 41, fixing piece; 411, screw rod; 412, nut; 413, positioning convex point; 42, positioning piece; 421, positioning rod; 422, positioning groove; 43, nut. DETAILED DESCRIPTION

[0033] Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided so as to more completely and thoroughly understand the present application. It is understood that the drawings and embodiments of the present application are for illustrative purposes only and are not intended to limit the scope of protection of the present application.

[0034] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0035] The term "comprising" and variations thereof as used herein are open-ended, that is "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Related definitions will be given in the description below. It should be noted that the concepts of "first", "second", etc. mentioned in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the functions performed by these devices, modules or units or the mutual dependency relationship.

[0036] It should be noted that the modification of "one" or "multiple" mentioned in the present application is illustrative and not limiting, and those skilled in the art should understand that unless otherwise explicitly stated in the context, it should be understood as "one or more".

[0037] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of these messages or information.

[0038] Referring to Figures 1 to 6 The embodiment of the present application provides a frame assembly of a excavator, which comprises an upper frame 1 and a lower frame 2, the upper frame 1 is rotationally connected to the lower frame 2, the upper frame 1 is provided with a digging arm 3, the upper frame 1 comprises a frame frame body 11, the frame frame body 11 is provided with an engine mounting rack assembly 12, and the engine mounting rack assembly 12 is provided with a radiator mounting rack assembly 13 away from one side of the digging arm 3;

[0039] The engine mounting assembly 12 comprises symmetrical Z-shaped supports 121, and long strip-shaped moving holes 122 are arranged on the Z-shaped supports 121 at positions corresponding to the radiator mounting assembly 13; one side of the moving holes 122 is provided with a plurality of position adjusting holes 123; the radiator mounting assembly 13 is fixed to the position of the adjusting hole 123 through the fixing assembly 4;

[0040] The fixing assembly 4 comprises a fixing member 41, a positioning member 42 and a nut 43; the fixing member 41 comprises a screw rod 411, which passes through the Z-shaped support 121 and the radiator mounting assembly 13 in sequence; one end of the screw rod 411 is provided with a nut 412; the nut 412 is provided with an inner concave positioning convex point 413 on the side facing the positioning member 42; the positioning member 42 is provided with a positioning rod 421 matched with the adjusting hole 123; and the positioning member 42 is provided with a positioning groove 422 matched with the positioning convex point 413.

[0041] With the above structure, when the position of the radiator mounting assembly 13 needs to be adjusted, the positioning member 42 can be limited at the position of the adjusting hole 123 due to the positioning rod 421 arranged on the positioning member 42 of the fixing assembly 4 and the cooperation of the positioning rod 421 and the adjusting hole 123; and then the positioning member 42 can be clamped on the nut 412 after the nut 43 is screwed into the screw rod 411, and the positioning groove 422 on the positioning member 42 cooperates with the positioning convex point 413 on the fixing member 41, so as to play a positioning role, so as to adjust the position of the radiator mounting assembly 13, so as to ensure that the installation position of the radiator can achieve the best heat dissipation effect.

[0042] In an embodiment, referring to Figure 4 The radiator mounting assembly 13 comprises a radiator mounting frame 131, and the radiator mounting frame 131 is provided with a fixing hole 132 at a position corresponding to the screw rod 411. In actual application, the screw rod 411 can pass through the radiator mounting frame 131 to clamp the radiator mounting frame 131 between the nut 412 and the nut 43 through the arrangement of the fixing hole 132.

[0043] In an embodiment, referring to Figure 3 and Figure 4The Z-shaped support 121 is provided with a counterweight fixing hole 124, the radiator mounting frame 131 is provided with a support plate 133 corresponding to the position of the counterweight fixing hole 124, and the support plate 133 is provided with an open slot 134 corresponding to the position of the counterweight fixing hole 124. In actual application, by setting the support plate 133 on the radiator mounting frame 131, and through the cooperation of the open slot 134 provided on the support plate 133, when the excavator counterweight is installed at the counterweight fixing hole 124, the bolt for fixing the excavator counterweight can pass through the open slot 134, and the support plate 133 is fixed on the Z-shaped support 121, so that the fixing of the radiator mounting frame 131 can be further improved, and the stability is improved. At the same time, under the open structure of the open slot 134, the position of the radiator mounting frame 131 can be moved to adapt to the bolt for fixing the excavator counterweight.

[0044] In an embodiment, referring to Figure 1 and Figure 2 , the frame body 11 is provided with a shovel arm hinged plate group 14 corresponding to the position of the excavator shovel arm 3, and one side of the shovel arm hinged plate group 14 is gradually bent to form a bent support plate towards the radiator mounting frame assembly 13. In actual application, through the setting of the shovel arm hinged plate group 14, the excavator shovel arm 3 can be connected, and the bent support plate can increase the support area of the frame body 11, thereby improving the strength.

[0045] The frame body 11 is provided with a rotary support mounting plate 111 and a rotary motor mounting plate 112 corresponding to the position of the bent support plate of the shovel arm hinged plate group 14. In actual application, the rotary support mounting plate 111 is used to install the rotary transmission mechanism, and the rotary motor mounting plate 112 is used to install the rotary motor.

[0046] In an embodiment, referring to Figure 1 and Figure 2 , the frame body 11 and the Z-shaped support 121 on the left side are provided with a left cross beam 15, and the frame body 11 and the Z-shaped support 121 on the right side are provided with a right cross beam 16. The cross section of the left cross beam 15 and the right cross beam 16 is a U-shaped structure with an opening, and the opening of the left cross beam 15 and the right cross beam 16 faces the lower frame 2. In actual application, through the U-shaped structure of the left cross beam 15 and the right cross beam 16, the frame body 11 and the Z-shaped support 121 on the left side can be connected together, and the support strength can be ensured while the manufacturing cost is reduced.

[0047] The right support beam 17 is arranged between the frame body 11 and the right Z-shaped support 121, and the cross section of the right support beam 17 is in a Z-shaped structure. In actual application, the Z-shaped structure of the right support beam 17 can further increase the connecting strength between the frame body 11 and the right Z-shaped support 121, so as to improve the stability of the upper frame 1.

[0048] One side of the frame body 11 is provided with a cab mounting seat 18, and the cab mounting seat 18 comprises a support bottom plate 181 and a connecting beam 182. The cross section of the connecting beam 182 is in a U-shaped structure, and the support bottom plate 181 and the connecting beam 182 are in an integrated structure. In actual application, the support bottom plate 181 and the connecting beam 182 of the cab mounting seat 18 can reduce the manufacturing cost while ensuring the supporting strength.

[0049] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0050] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present application, and are not intended to limit the scope of the present application. For those skilled in the art, other changes or modifications can be made on the basis of the above application, and these changes or modifications are still within the scope of the present application.

Claims

1. A frame assembly of an excavator, characterized by, The utility model provides an excavator, including upper frame and lower frame, the upper frame is hinged on lower frame, be provided with excavating shovel arm on the upper frame, the upper frame includes frame frame body, be provided with engine mounting frame assembly on the frame frame body, the engine mounting frame assembly is provided with radiator mounting frame assembly away from excavating shovel arm side, The engine mounting frame assembly includes symmetrically arranged Z-shaped support, the Z-shaped support is provided with strip -shaped moving hole corresponding to the position of radiator mounting frame assembly, one side of the moving hole is provided with a plurality of position adjusting holes, the radiator mounting frame assembly is fixed on the position of adjusting hole through fixing assembly, The fixing assembly includes fixing piece, positioning piece, nut, the fixing piece includes screw rod, the screw rod passes through Z-shaped support and radiator mounting frame assembly in proper order, one end of the screw rod is provided with nut, the nut is provided with one concave positioning convex point towards the side of positioning piece, the positioning piece is provided with positioning rod matched with adjusting hole, the positioning piece is provided with positioning groove matched with positioning convex point.

2. The frame assembly of claim 1, wherein, The radiator mounting frame assembly includes radiator mounting frame, the radiator mounting frame is penetrated with fixed hole corresponding to the position of screw rod.

3. The frame assembly of a backhoe as set forth in claim 2, wherein, The Z-shaped support is provided with counterweight fixed hole, the radiator mounting frame is provided with support plate corresponding to the position of counterweight fixed hole, the support plate is provided with open slot corresponding to the position of counterweight fixed hole.

4. The frame assembly of claim 1, wherein, The frame frame body is provided with shovel arm hinged plate group corresponding to the position of excavating shovel arm, one side of the shovel arm hinged plate group gradually bends and forms the bent support plate towards the radiator mounting frame assembly.

5. The frame assembly of claim 1, wherein, The left crossbeam is arranged between the frame frame body and the Z-shaped support on the left side, the right crossbeam is arranged between the frame frame body and the Z-shaped support on the right side, the left crossbeam and the right crossbeam are both U-shaped structure with opening in cross section, and the openings of the left crossbeam and the right crossbeam face the lower frame.

6. The frame assembly of claim 1, wherein, The right support beam is arranged between the frame frame body and the Z-shaped support on the right side, and the right support beam is Z-shaped structure in cross section.

7. The frame assembly of claim 1, wherein, One side of the frame frame body is provided with cab mounting seat, the cab mounting seat includes support bottom plate and connecting beam, the connecting beam is U-shaped structure in cross section, and the support bottom plate and the connecting beam are integrated structure.

8. The frame assembly of claim 4, wherein, The frame frame body is provided with rotary support mounting plate and rotary motor mounting plate corresponding to the position of the bent support plate of the shovel arm hinged plate group.

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