CN215854919U - Angle fine-adjustment lifting machine supporting arm - Google Patents

Abstract

The utility model belongs to a lifting machine bracket for finely adjusting angles, which comprises a fixed bracket assembly welding, and is characterized in that a U-shaped lower pipe hoop is welded at the right end of the fixed bracket assembly welding, the middle of the lower surface of the lower pipe hoop is propped against the bottom of the movable bracket assembly welding by M12X 20 hexagon socket head cap screws, and threaded holes at two sides of the lower pipe hoop are propped against two sides of the movable bracket assembly welding by M8X 16 hexagon socket head cap screws; two upper flat plates are welded on the upper surface of the left end of the movable supporting arm assembly welding, and anti-falling side sliding plates are welded on two sides of the movable supporting arm assembly welding. The utility model ensures that the tray at the end of the supporting arm does not sink and has good flatness, the lifted automobile chassis is stable, the movable supporting arm cannot fall off during assembly and welding, unsafe factors cannot be generated, and the structure is simple.

Description

Angle fine-adjustment lifting machine supporting arm

Technical Field

The utility model belongs to a supporting arm, and particularly relates to a lifting machine supporting arm capable of finely adjusting an angle.

Background

In the automobile loading and unloading process, an automobile is lifted to a certain height to work, a double-column lifting machine is adopted at present, the double-column lifting machine is provided with four arms, and a tray is driven by a hydraulic control system to lift and put down the automobile, so that the parts of the four arms of the lifting machine are very important, the requirements are stable, light in weight and good in strength, the current supporting arm is sleeved by two sections of square pipes, the requirement on light weight can be met, meanwhile, the double-column lifting machine can stretch out and draw back, and the requirement on length change is met. However, the fixed bracket arm assembly welding and the movable bracket arm assembly welding are sleeved together, so that a gap exists between the fixed bracket arm assembly welding and the movable bracket arm assembly welding, the movable bracket arm assembly welding sinks in the use process, the longer the movable bracket arm assembly welding extends out, the larger the sinking amount is, the tray at the end of the bracket arm sinks, the flatness is poor, and unsafe factors can be caused when the movable bracket arm assembly welding easily slips out.

Disclosure of Invention

The utility model aims to overcome the technical defects and provides a fine-angle-adjustment lifter bracket arm which is characterized in that a U-shaped lower pipe hoop is fixed at the right end of the assembly welding of a fixed bracket arm, the middle of the bottom of the lower pipe hoop is in threaded connection with an M12X 20 hexagon socket head cap screw and abuts against the bottom of the assembly welding of a movable bracket arm, screw holes on two sides are abutted against two sides of the assembly welding of the movable bracket arm by using an M8X 16 hexagon socket head cap screw, an upper flat plate is welded on the upper surface of the left end of the assembly welding of the movable bracket arm, and an anti-falling side sliding plate is welded on two sides.

The technical problem to be solved by the utility model is that: a lifting machine supporting arm for finely adjusting an angle comprises a fixed supporting arm assembly welding, wherein a right-angle upper lug plate is fixed at the left end of the fixed supporting arm assembly welding, and a lower lug plate is welded at the lower end of the upper lug plate; the fixed bracket arm assembly welding main body is a fixed arm of a square pipe, and an upper bent plate is welded on the fixed arm; a movable supporting arm assembly welding of a square pipe is arranged in a hole of the fixed arm, an ear-shaped plate is welded at the right end of the movable supporting arm assembly welding, and a vertical rib plate is welded at the left end of the ear-shaped plate; the method is characterized in that a U-shaped lower pipe hoop is welded at the right end of the assembly welding of the fixed support arms, the middle of the lower surface of the lower pipe hoop is propped against the bottom of the assembly welding of the movable support arms by M12X 20 hexagon socket head cap head screws, and threaded holes at two sides of the lower pipe hoop are propped against two sides of the assembly welding of the movable support arms by M8X 16 hexagon socket head cap head screws; two upper flat plates are welded on the upper surface of the left end of the movable supporting arm assembly welding, and anti-falling side sliding plates are welded on two sides of the movable supporting arm assembly welding.

The utility model has the advantages that the utility model ensures that the tray at the supporting arm end does not sink and has good flatness, the lifted automobile chassis is stable, the movable supporting arm assembly welding can not fall out, unsafe factors can not be generated, and the structure is simple.

Drawings

The following description is made in detail by way of example with reference to the accompanying drawings.

FIG. 1 is a perspective view of a lifter corbel with fine adjustment of the angle;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a top view of fig. 2.

In the figure: 1-assembling and welding a fixed supporting arm; 1-1-a stationary arm; 1-2-upper ear plate; 1-3-lower ear plate; 1-4-bending up the plate; 1-5-pipe clamp; 1-5-1-bolt hole; 2, assembling and welding a movable supporting arm; 2-1-ear plate; 2-2-vertical rib plates; 2-3-upper plate; 2-4-anti-falling side sliding plate; 3-M12 × 20 socket head cap screw; 4-M8 inner hexagon socket head cap screw

Detailed Description

In the embodiment, referring to the attached drawings, the angle fine-adjustment supporting arm of the lifting machine comprises a fixed supporting arm assembly welding 1, wherein a right-angle upper lug plate 1-2 is fixed at the left end of the fixed supporting arm assembly welding 1, and a lower lug plate 1-3 is welded at the lower end of the upper lug plate 1-2; the main body of the fixed bracket arm assembly welding 1 is a fixed arm 1-1 of a square pipe, and an upper bent plate 1-4 is welded on the fixed arm 1-1; a movable supporting arm assembly welding 2 of a square pipe is arranged in a hole of the fixed arm 1-1, the right end of the movable supporting arm assembly welding 2 is welded with an ear-shaped plate 2-1, and the left end of the ear-shaped plate 2-1 is welded with a vertical rib plate 2-2; the method is characterized in that a U-shaped lower pipe hoop 1-5 is welded at the right end of a fixed support arm assembly welding 1, the middle of the lower surface of the lower pipe hoop 1-5 is propped against the bottom of a movable support arm assembly welding 2 through an M12 x 20 hexagon socket head cap screw 3, and threaded holes 1-5-1 at two sides of the lower pipe hoop 1-5 are propped against two sides of the movable support arm assembly welding 2 through an M8 x 16 hexagon socket head cap screw 4; two upper flat plates 2-3 are welded on the upper surface of the left end of the movable bracket assembly welding 2, and anti-falling side sliding plates 2-4 are welded on the two sides.

The upper ear plate and the lower ear plate of the supporting arm of the lifter are provided with mounting holes which are respectively connected with a lifting mechanism of the lifter.

The utility model discloses an operation method is: inserting the movable bracket assembly welding 2 into the fixed bracket assembly welding 1, clockwise rotating the M8X 16 hexagon socket head cap screw 4, dragging the movable bracket assembly welding 2 to enable the movable bracket assembly welding 2 to freely stretch and retract, and ensuring that the M8X 16 hexagon socket head cap screw 4 can be clamped on the anti-falling side sliding plate 2-4 and cannot slip when the movable bracket assembly welding 2 is pushed to the longest limit position. And (3) extending the movable bracket arm assembly welding 2 to a required length, clockwise rotating the M12 x 20 hexagon socket cap screw 3, and gradually raising the angle of the movable bracket arm assembly welding 2 until no gap exists between the fixed bracket arm assembly welding 1 and the movable bracket arm assembly welding 2.

Claims (1)

1. A lifting machine supporting arm with a fine adjustment angle comprises a fixed supporting arm assembly welding part (1), wherein a right-angle-shaped upper lug plate (1-2) is fixed at the left end of the fixed supporting arm assembly welding part (1), and a lower lug plate (1-3) is welded at the lower end of the upper lug plate (1-2); the main body of the fixed bracket arm assembly welding (1) is a fixed arm (1-1) of a square pipe, and an upper bent plate (1-4) is welded on the fixed arm (1-1); a movable supporting arm assembly welding (2) of a square pipe is arranged in a hole of the fixed arm (1-1), the right end of the movable supporting arm assembly welding (2) is welded with an ear-shaped plate (2-1), and the left end of the ear-shaped plate (2-1) is welded with a vertical rib plate (2-2); the device is characterized in that a U-shaped lower pipe hoop (1-5) is welded at the right end of a fixed support arm assembly welding (1), the middle of the lower surface of the lower pipe hoop (1-5) is propped against the bottom of a movable support arm assembly welding (2) by using M12X 20 hexagon socket head cap head screws (3), and threaded holes (1-5-1) at two sides of the lower pipe hoop (1-5) are propped against two sides of the movable support arm assembly welding (2) by using M8X 16 hexagon socket head cap head screws (4); two upper flat plates (2-3) are welded on the upper surface of the left end of the movable bracket arm assembly welding (2), and anti-falling side sliding plates (2-4) are welded on the two sides.

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