Automobile engine suspension tightening arm

Abstract

The utility model discloses an automobile engine suspension tightening arm which is characterized in that the automobile engine suspension tightening arm comprises a fixed track, a moving trolley, a stand column, a lifting main machine and a tightening gun chuck, the moving trolley is arranged on the fixed track in a sliding mode, the stand column is arranged on the moving trolley, one end of the lifting main machine is connected to the lower portion of the stand column, and the other end of the lifting main machine is connected to the other end of the tightening gun chuck. The tightening gun chuck is arranged at the other end of the lifting main machine, and the lifting main machine comprises a rear arm rod, a front arm rod, a secondary arm rod, a front arm seat, a lifting air cylinder and a front connecting block. The engine bolt tightening device has the advantages of being simple and stable in structure, high in flexibility and capable of replacing a handheld tightening gun, a worker can tighten all bolts on an engine conveniently, assembling efficiency is improved, labor intensity of the worker is reduced, and tightening precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile assembly equipment, and specifically relates to a suspension tightening arm of automobile engine. BACKGROUND

[0002] At present, the installation of engine on the production line of automobile assembly needs that the worker holds the electric wrench to tighten and install the bolt at each position of the engine, since the electric wrench is heavy, the labor intensity of the worker is big, the assembly mode is time-consuming and laborious, and when the bolt on the engine is tightened by the hand-held electric wrench, the vibration is big, the tightening precision is poor, and the bolt is easy to slip. SUMMARY

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a suspension tightening arm of automobile engine, which is simple in structure, assists the worker in clamping the tightening gun and reduces the labor intensity of the worker.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A suspension tightening arm of automobile engine, characterized by comprising a fixed track, a moving trolley, a stand, a lifting main machine, a tightening gun chuck, the moving trolley is slidably arranged on the fixed track, the stand is arranged on the moving trolley, one end of the lifting main machine is connected to the lower part of the stand, the tightening gun chuck is arranged on the other end of the lifting main machine, the lifting main machine comprises a rear arm rod, a front arm rod, a secondary arm rod, a front arm seat, a lifting cylinder and a front connecting block, wherein one end of the rear arm rod is connected to the lower part of the stand through a first joint piece, the other end of the rear arm rod is connected to the front arm seat through a second joint piece, the secondary arm rod and the front arm rod are arranged in parallel, the two ends of the secondary arm rod and the front arm rod are respectively hinged to the front arm seat and the front connecting block, one end of the cylinder body of the lifting cylinder is hinged to the front arm seat, the front end of the piston rod of the lifting cylinder is hingedly connected with a supporting lug, the other end of the supporting lug is fixed to the front arm rod, and the tightening gun chuck is connected to the front connecting block.

[0006] Further, the tightening gun chuck comprises a connecting flange, a movable sleeve, a mounting sleeve and a half clamping ring, the connecting flange is connected with the front connecting block, the movable sleeve is connected to the connecting flange, the movable sleeve has a transverse mounting hole, the mounting sleeve is rotatably arranged in the mounting hole, the mounting sleeve has an arc portion, the half clamping ring is mounted on the mounting sleeve through screws, the half clamping ring is arranged opposite to the arc portion, and a copper sleeve is arranged on the inner side of the mounting sleeve.

[0007] Further, the first joint piece and the second joint piece are both provided with a brake.

[0008] Further, the rotating directions of the first and second joint members are located in the same plane, and the swing plane of the forearm lever is perpendicular to the rotating plane of the first joint member.

[0009] The utility model discloses the beneficial effect includes: simple structure and stable, high flexibility can replace handheld tightening gun, the convenience worker is to engine on each bolt tight, has improved assembly efficiency, reduced the worker intensity of labour, improved the tightening accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the structure schematic diagram of the utility model;

[0011] Fig. 2 It is the structure schematic diagram of the utility model's lifting host computer;

[0012] Fig. 3 It is the structure schematic diagram of the utility model's tightening gun chuck. DETAILED DESCRIPTION

[0013] The utility model discloses the beneficial effect includes: simple structure and stable, high flexibility can replace handheld tightening gun, the convenience worker is to engine on each bolt tight, has improved assembly efficiency, reduced the worker intensity of labour, improved the tightening accuracy.

[0014] A kind of as Figs. 1-3 The utility model discloses an automobile engine suspension tightening arm, including fixed track 1, mobile trolley 2, stand 3, lifting host computer 4, tightening gun chuck 5.Fixed track 1 is installed on the stand or workshop roof by hanging rail, mobile trolley 2 is slidably arranged on fixed track 1 by hanging wheel.Set up in the middle part of mobile trolley 2, stand 3.Lifting host computer 4 is connected to the lower part of stand 3, and tightening gun chuck 5 is arranged on the other end of lifting host computer 4.

[0015] As Fig. 2 Lifting host computer 4 includes rear arm lever 41, forearm lever 42, secondary arm lever 43, forearm seat 44, lifting cylinder 45, front connecting block 46, wherein rear arm lever 41 one end is connected with the lower part of stand 3 by first joint member 6, and the first joint member 6 can rotate horizontally.Rear arm lever 41 other end is connected with forearm seat 44 by second joint member 7, and the second joint member 7 can rotate horizontally.Brake is arranged on the first joint member 6 and the second joint member 7.Secondary arm lever 43 and forearm lever 42 are arranged in parallel, and the two ends of secondary arm lever 43 and forearm lever 42 are respectively hinged with forearm seat 44 and front connecting block 46, and the cylinder body one end of lifting cylinder 45 is hinged on forearm seat 44, and the front end of the piston rod of lifting cylinder 45 is hingedly connected with support lug 47, and the other end of support lug 47 is fixed on forearm lever 42, and tightening gun chuck 5 is connected on front connecting block 46, which makes tightening gun chuck 5 can keep original angle vertical swing and lift.The tightening gun chuck 5 is used for installing and fixing tightening gun.

[0016] As Fig. 3As shown, the tightening gun chuck 5 comprises a connecting flange 51, a movable sleeve 52, a mounting sleeve 53, and a half clamping ring 54. The connecting flange 51 is connected with the front connecting block 46. The movable sleeve 52 is connected on the connecting flange 51. The movable sleeve 52 has a transverse mounting hole. The mounting sleeve 53 is rotatably arranged in the mounting hole. The mounting sleeve 53 has an arc-shaped portion. The half clamping ring 54 is mounted on the mounting sleeve 53 by screws. The half clamping ring 54 is arranged opposite to the arc-shaped portion. A copper sleeve 55 is arranged on the inner side of the mounting sleeve 53. The tightening gun is fixed on the inner side of the copper sleeve 55. The copper sleeve 55 is in the shape of two half circles.

[0017] In order to increase the flexibility of the tightening arm, the rotating directions of the first joint member 6 and the second joint member 7 are located in the same plane. The swing plane of the forearm rod 42 is perpendicular to the rotating plane of the first joint member 6. Thus, the tightening gun can be deflected horizontally and vertically at multiple angles.

[0018] The above describes the technical solutions of the embodiments of the present application in detail. The principles and implementation manners of the embodiments of the present application are described by using specific examples. The above descriptions of the embodiments are only used to help understand the principles of the embodiments of the present application. For the skilled in the art, the embodiments of the present application can be changed in the specific implementation manners and application ranges. In conclusion, the content of the present application should not be understood as a limitation of the present application.

Claims

1. A car engine mount tightening arm, characterized in that: The system includes a fixed track (1), a mobile trolley (2), a column (3), a lifting host (4), and a tightening gun chuck (5). The mobile trolley (2) is slidably mounted on the fixed track (1), and the column (3) is mounted on the mobile trolley (2). One end of the lifting host (4) is connected to the lower part of the column (3), and the tightening gun chuck (5) is located at the other end of the lifting host (4). The lifting host (4) includes a rear boom (41), a front boom (42), a secondary boom (43), a front boom seat (44), a lifting cylinder (45), and a front connecting block (46). One end of the rear boom (41) is connected to the lower part of the column (3). The rear arm (41) is connected to the forearm seat (44) via the first joint (6). The secondary arm (43) and the forearm (42) are arranged in parallel. The two ends of the secondary arm (43) and the forearm (42) are respectively hinged to the forearm seat (44) and the front connecting block (46). One end of the cylinder body of the lifting cylinder (45) is hinged to the forearm seat (44). The piston rod of the lifting cylinder (45) is hinged to a support ear (47). The other end of the support ear (47) is fixed to the forearm (42). The tightening gun clip (5) is connected to the front connecting block (46).

2. The automotive engine mount tightening arm according to claim 1, characterized in that: The tightening gun chuck (5) includes a connecting flange (51), a movable sleeve (52), a mounting sleeve (53), and a half clamping ring (54). The connecting flange (51) is connected to the front connecting block (46). The movable sleeve (52) is connected to the connecting flange (51). The movable sleeve (52) has a transverse mounting hole. The mounting sleeve (53) is rotatably disposed in the mounting hole. The mounting sleeve (53) has an arc-shaped portion. The half clamping ring (54) is mounted on the mounting sleeve (53) by screws. The half clamping ring (54) is arranged opposite to the arc-shaped portion. A copper sleeve (55) is provided on the inner side of the mounting sleeve (53).

3. The automotive engine mount tightening arm according to claim 1, characterized in that: Brakes are provided on both the first joint (6) and the second joint (7).

4. The automotive engine mount tightening arm according to claim 1, characterized in that: The rotation directions of the first joint (6) and the second joint (7) are located in the same plane, and the swing plane of the forearm rod (42) is perpendicular to the rotation plane of the first joint (6).

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