CN220352938U - Excavator counter weight mount pad structure - Google Patents

Abstract

The utility model relates to the technical field of engineering machinery counterweight, and particularly discloses an excavator counterweight mounting seat structure which comprises a mounting seat module, a shell forming module and a bottom plate module, wherein the mounting seat module is bent after laser blanking by adopting a whole steel plate, a fixing bolt is arranged on the bottom plate module, a fixing nut matched with the fixing bolt is arranged on the fixing bolt, a push rod penetrating through the middle part of the fixing bolt is movably arranged in the fixing bolt, a first spring is arranged at the bottom of the push rod, a connecting plate is arranged above the first spring, a supporting plate is arranged at the end part of the connecting plate through a movable bearing, a second spring is arranged at one side, close to the push rod, of the supporting plate, one end, far away from the supporting plate, of the second spring is connected with the push rod, and an opening for the supporting plate to penetrate and move is arranged on the side wall of the fixing bolt.

Description

Excavator counter weight mount pad structure

Technical Field

The utility model relates to the technical field of engineering machinery counterweight, in particular to an excavator counterweight mounting seat structure.

Background

The gravity center balance point of the whole excavator is mainly the acting force generated by the counterweight at the rear side to balance. The action of the balance iron is mainly acting force in the up-down aspect, acting force in the running swing process and the like, and in order to balance the change of the gravity center position of the counterweight under different loads, the gravity center of the excavator is ensured to be always kept near the rotation center, and the overall balance is ensured. In the production process, the existing excavator counterweight base is formed by welding two U-shaped mounting seats and two connecting plates, the welding lines are more, the deformation is easy, the flatness is not well ensured, the rejection rate of the plates is higher, the two U-shaped mounting seats are die pieces, the stamping forming is needed, and the processing cost is higher.

Disclosure of Invention

The utility model aims to provide a counterweight mounting seat structure of an excavator, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an excavator counter weight mount pad structure, includes mount pad module, shell shaping module, bottom plate module, the mount pad module adopts a monoblock steel sheet to bend after the laser unloading, reduces the welded structure in the installation to improve flatness, the straightness that hangs down of product and the efficiency of preparation, through reducing the welding position, cancel stamping die preparation thereby reduction in production cost;

the bottom plate module is provided with fixing bolts, be provided with the fixation nut with the fixing bolt looks adaptation on the fixing bolts for lock fixedly to the fixing bolts, and the fixing bolt internalization is provided with the push rod that runs through the fixing bolt middle part, the push rod bottom is provided with first spring, and is provided with the connecting plate above the first spring, the connecting plate tip is provided with the backup pad through movable bearing, inwards extrudees the push rod and makes the push rod bottom insert the movable groove, thereby extrudees first spring and drives the backup pad and move down to touching the trompil lower extreme, the pipe wall of trompil lower extreme extrudees the second spring of backup pad inner wall, thereby makes the backup pad shrink inwards to the fixing bolts, so that fixing bolts moves in the screw hole, the backup pad is close to push rod one side and is provided with the second spring, backup pad one end is kept away from and links to each other with the push rod, the dead bolt lateral wall is provided with the trompil that supplies the backup pad to alternate the activity, loosens the push rod and makes first spring rebound, drives the connecting plate upward movement, and the backup pad rebound to the trompil department, and the second spring rebound of backup pad side drives the backup pad outward expansion in the backup pad to stretch out from the trompil.

Preferably, the mounting seat module is provided with a threaded hole, and the mounting seat module is fixedly mounted by penetrating the threaded hole through the fixing bolt.

Preferably, the bottom of the fixing bolt is provided with a movable groove matched with the push rod, and the push rod is inwards extruded to enable the bottom of the push rod to be inserted into the movable groove, so that the first spring is extruded to drive the supporting plate to retract inwards of the fixing bolt.

Preferably, the four peripheral corners of the shell forming module are arranged in a circular arc shape, so that operators can be protected conveniently.

Preferably, the push rod is arranged on the same horizontal line with the top of the fixing bolt when rebounding, and the top of the fixing bolt is provided with a protection ring higher than the center so as to protect the push rod, and the push rod is prevented from being touched by mistake, so that the fixing bolt is loosened.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to an excavator counterweight with a mounting seat structure, which is designed on the basis of taking an assembly point of a whole excavator as a reference and on the basis of guaranteeing the flatness and the perpendicularity of the excavator, a multi-plate splice welding structure is canceled on the premise of guaranteeing the position of a threaded hole, and is changed into a plate bending forming mode, so that the flatness of a bottom mounting seat is guaranteed, the welding deformation is reduced, the cost is reduced, and the production cost is controlled by reducing the welding position and canceling the manufacturing of a stamping die on the basis of guaranteeing the universality and the consistency of products.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a fixing bolt according to the present utility model;

fig. 3 is a schematic view of the internal structure of the fixing bolt of the present utility model when installed.

In the figure: 1. a mounting seat module; 2. a housing forming module; 3. a floor module; 4. a threaded hole; 5. a fixing bolt; 6. a fixing nut; 7. a push rod; 8. a first spring; 9. a connecting plate; 10. a support plate; 11. a second spring; 12. a movable groove; 13. and (5) opening holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an excavator counter weight mount pad structure, includes mount pad module 1, shell shaping module 2, bottom plate module 3, mount pad module 1 adopts a monoblock steel sheet to bend after the laser unloading, reduces the welded structure in the installation to improve flatness, straightness and the efficiency of making of product, through reducing the welding position, cancel stamping die and make thereby reduce manufacturing cost;

the bottom plate module 3 is provided with fixing bolt 5, be provided with on the fixing bolt 5 with fixing nut 6 of fixing bolt 5 looks adaptation for lock fixed to fixing bolt 5, and fixing bolt 5 internalization is provided with the push rod 7 that runs through fixing bolt 5 middle part, push rod 7 bottom is provided with first spring 8, and is provided with connecting plate 9 above the first spring 8, connecting plate 9 tip is provided with backup pad 10 through the live bearing, inwards extrudees push rod 7 and makes push rod 7 bottom insert movable groove 12, thereby extrudees first spring 8 and drives backup pad 10 and move down to touch the trompil 13 lower extreme, and the pipe wall of trompil 13 lower extreme extrudees the second spring 11 of backup pad 10 inner wall, thereby makes backup pad 10 to the internal contraction of fixing bolt 5, so that fixing bolt 5 moves at screw hole 4, backup pad 10 is close to push rod 7 one side and is provided with second spring 11, backup pad 10 alternate trompil 13 is provided with to the backup pad 10, loosens 7 and makes first spring 8, drives on the connecting plate 9 and makes the backup pad 10 rebound and upwards moves to the trompil 10, makes the expansion of backup pad 10 to stretch out to the expansion from the backup pad 10.

Further, the mounting seat module 1 is provided with a threaded hole 4, and the fixing bolt 5 passes through the threaded hole 4 so as to fixedly mount the mounting seat module 1.

Further, a movable groove 12 matched with the push rod 7 is formed in the bottom of the fixing bolt 5, the push rod 7 is pressed inwards, so that the bottom of the push rod 7 is inserted into the movable groove 12, and the first spring 8 is pressed to drive the supporting plate 10 to retract inwards of the fixing bolt 5.

Furthermore, the four peripheral corners of the shell forming module 2 are arranged in a circular arc shape, so that operators can be protected conveniently.

Further, when the push rod 7 rebounds, the push rod 7 and the top of the fixing bolt 5 are arranged on the same horizontal line, and the top of the fixing bolt 5 is provided with a protection ring higher than the center so as to protect the push rod 7, and the push rod 7 is prevented from being mistakenly touched, so that the fixing bolt 5 is loosened.

Working principle:

in the actual use process, the fixing bolt 5 which is prepared in advance passes through the threaded hole 4 to strengthen and mount the bottom plate module 3, the push rod 7 is pressed inwards so that the bottom of the push rod 7 is inserted into the movable groove 12, the first spring 8 is pressed to drive the support plate 10 to move downwards until touching the lower end of the opening 13, the pipe wall at the lower end of the opening 13 presses the second spring 11 on the inner wall of the support plate 10, the support plate 10 is contracted inwards to enable the fixing bolt 5 to pass through the threaded hole 4, then the push rod 7 is loosened so that the first spring 8 rebounds to drive the connecting plate 9 to move upwards, at the moment, the support plate 10 moves upwards to the opening 13, the second spring 11 on the side surface of the support plate 10 rebounds to drive the support plate 10 to expand outwards, so that the support plate 10 stretches out of the opening 13 and butts against the inner wall of the bottom plate module 3, then the fixing nut 6 is rotated so that the fixing nut 6 is attached to one side of the bottom plate module 3 away from the support plate 10, thereby locking and fixing the fixing bolt 5 is carried out, and the top of the fixing bolt 5 is provided with a protection ring higher than the center so as to protect the push rod 7 from touching the push rod 7 erroneously and loosening the fixing 5;

meanwhile, the mounting seat module 1 bends after adopting a whole steel plate for laser blanking, and bends the whole steel plate into a required shape, so that a multi-plate splice welding structure is reduced, the welding position in the mounting process can be reduced, the flatness and the perpendicularity of the mounting seat are ensured, the manufacturing efficiency of a product is improved, the welding structure is reduced, the possibility that the mounting seat deforms due to welding in the mounting process is reduced, the rejection rate of a plate is reduced, and the manufacturing cost is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an excavator counter weight mount pad structure, its characterized in that, including mount pad module (1), shell shaping module (2), bottom plate module (3), mount pad module (1) adopts a board shaping preparation of bending, be provided with fixing bolt (5) on bottom plate module (3), be provided with on fixing bolt (5) with fixing nut (6) of fixing bolt (5) looks adaptation, and fixing bolt (5) internalization is provided with push rod (7) that run through fixing bolt (5) middle part, push rod (7) bottom is provided with first spring (8), and first spring (8) top is provided with connecting plate (9), connecting plate (9) tip is provided with backup pad (10) through movable bearing, backup pad (10) are close to push rod (7) one side and are provided with second spring (11), backup pad (10) one end and push rod (7) are kept away from to be continuous, fixing bolt (5) lateral wall is provided with and supplies backup pad (10) alternate trompil (13).

2. The excavator counterweight mounting seat structure of claim 1, wherein: threaded holes (4) are formed in the mounting seat module (1).

3. The excavator counterweight mounting seat structure of claim 1, wherein: the bottom of the fixed bolt (5) is provided with a movable groove (12) matched with the push rod (7).

4. The excavator counterweight mounting seat structure of claim 1, wherein: four peripheral angles of the shell forming module (2) are arranged in an arc shape.

5. The excavator counterweight mounting seat structure of claim 1, wherein: the push rod (7) is arranged on the same horizontal line with the top of the fixing bolt (5) when rebounding, and the top of the fixing bolt (5) is provided with a protective ring higher than the center.