Auxiliary device for assembling engine piston connecting rod assembly

Abstract

The utility model discloses an engine piston connecting rod assembly assembling auxiliary device which comprises a cross beam, bearing installation plates, an engine body connecting mechanism and a plug pin, the bearing installation plates are arranged at the two ends of the cross beam respectively, bearings are installed at the lower ends of the bearing installation plates, and the engine body connecting mechanism is connected with the bearings through a rotating shaft. The lower end of the bearing mounting plate is also provided with a positioning hole for mounting the bolt, and the bolt is mounted in the positioning hole; the machine body connecting mechanism comprises machine body mounting plates and a cover plate, the two machine body mounting plates are symmetrically mounted on the bearing mounting plate, penetrating holes are formed in the middles of the machine body mounting plates to be connected with the rotating shaft, and a plurality of mounting holes are formed in the periphery to be connected with a machine body; the cover plate is fixed on the machine body mounting plate and covers the through hole; the cover plate is further provided with a shaft hole connected with the rotating shaft and a connecting hole connected with the plug pin. The utility model has the advantages of compact structure, can fix the machine body at multiple angles, etc.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine piston assembly, in particular to an engine piston connecting rod assembly assembly auxiliary device. BACKGROUND

[0002] At present, some engines are required to disassemble and assemble piston connecting rod assemblies in after-sales service, the after-sales service condition is poor, the operation belongs to the "stall" mode, and there is no special assembly line for assembly, therefore, a structure and method for quickly replacing the piston connecting rod assembly are urgently needed to solve the problem of disassembling and assembling the piston connecting rod in after-sales service.

[0003] The existing patent document CN110509050A discloses an auxiliary device for assisting engine piston connecting rod assembly and a control method thereof, which can realize automatic overturning of the engine cylinder body through the rotating clamping device, reduce the working difficulty, improve the safety factor, realize real-time rotation of the engine cylinder body, and improve the rotation efficiency of the engine cylinder body; and through the active rotating assembly, the crankshaft can be rotated in real time to replace manual rotation, release manpower, ensure the stability of the rotated crankshaft, and improve the assembly efficiency of the piston connecting rod and the connecting rod cover.

[0004] The disclosure of the above background art content is only used to assist in understanding the concept and technical scheme of the utility model, and it does not necessarily belong to the prior art of the present patent application. In the absence of explicit evidence that the above content has been disclosed on the filing date of the present patent application, the above background art should not be used to evaluate the novelty and inventiveness of the present application. UTILITY MODEL CONTENT

[0005] The utility model mainly aims at providing an engine piston connecting rod assembly assembly auxiliary device with compact structure and capable of adjusting and fixing the rotation of the engine body at multiple angles.

[0006] Therefore, the utility model provides an engine piston connecting rod assembly assembly auxiliary device.

[0007] Preferably, the utility model can have the following technical features:

[0008] An engine piston connecting rod assembly assembling auxiliary device, comprising a crossbeam, bearing mounting plates, a body connecting mechanism, the crossbeam is provided with the bearing mounting plates at both ends respectively, bearings are installed at the lower ends of the bearing mounting plates, the body connecting mechanism is connected with the bearings through a rotating shaft, further comprising a bolt, the lower end of the bearing mounting plate is further provided with a positioning hole for installing the bolt, and the bolt is installed in the positioning hole; the body connecting mechanism comprises body mounting plates and a cover plate, the two body mounting plates are symmetrically installed on the bearing mounting plates, a through hole is arranged in the middle part and is connected with the rotating shaft, and a plurality of mounting holes are formed around the through hole and are connected with the body; the cover plate is fixed on the body mounting plate and covers the through hole; the cover plate is further provided with a shaft hole connected with the rotating shaft and a connecting hole connected with the bolt.

[0009] Further, the periphery of the through hole is further provided with a plurality of screw holes, and the cover plate is fixed on the body mounting plate through bolts connected with the screw holes.

[0010] Further, the connecting hole is provided with a plurality of ring-shaped arrangements.

[0011] Further, the front end of the rotating shaft is a stepped column structure, and the limiting surface formed by the stepped column structure cooperates with a bolt to press and fix the cover plate on the rotating shaft.

[0012] Further, the outer side of the through hole of the body mounting plate is provided with a ring-shaped convex edge, and the cover plate is fixed on the convex edge.

[0013] Further, the two ends of the crossbeam are provided with a stepped structure to form a second limiting surface, and a spacer and a crossbeam locking nut are further arranged, wherein the spacer is located between the second limiting surface and the crossbeam locking nut.

[0014] Further, the middle part of the crossbeam is further provided with an ear.

[0015] The beneficial effects of the present application compared with the prior art include: two body connecting mechanisms are used to connect the two ends of the body, the body and the body connecting mechanism are fixed in place, then the body is rotated, when the body is rotated to an appropriate angle, the bolt is inserted, the bolt is inserted into the connecting hole of the cover plate through the positioning hole, and the rotation of the body is limited, and the piston connecting rod operation can be started. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the application;

[0017] Figure 2 is a front view of the present application;

[0018] Figure 3 is Figure 2 a local enlarged view of

[0019] Figure 4 is a schematic diagram of a rear end mounting plate of a machine body of the utility model;

[0020] Figure 5 is a schematic diagram of a front end mounting plate of a machine body of the utility model;

[0021] Figure 6 is a schematic diagram of a cover plate of the utility model;

[0022] Figure 7 is a sectional view of a bearing mounting plate of the utility model.

[0023] Explanation of reference signs

[0024] 1-rear end mounting plate of machine body, 2-mounting plate bolt, 3-flat washer, 4-spring washer, 5-cover plate, 6-cover plate mounting bolt, 7-flat washer, 8-spring washer, 9-bearing, 10-bearing retainer, 11-rotating shaft, 12-semi-circular key, 13-latch, 14-cover plate locking nut, 15-bearing mounting plate, 16-spacer, 17-cross beam locking nut, 18-cross beam, 19-lifting lug, 20-lifting hook plate, 21-front end mounting plate of machine body, 22-crankshaft component, 23-machine body. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with specific implementation manners and by referring to the drawings. It should be emphasized that the following explanation is only exemplary and is not intended to limit the scope of the utility model and its applications.

[0026] Non-limiting and non-exclusive embodiments will be described with reference to the following drawings, in which the same reference signs refer to the same parts unless otherwise specified.

[0027] As Figures 1-7 shown in the utility model discloses an engine piston connecting rod assembly assembly auxiliary device, including crossbeam 18, bearing mounting plate 15, machine body connecting mechanism and latch 13, the both ends of crossbeam 18 are equipped with bearing mounting plate 15 respectively, the lower end of bearing mounting plate 15 is installed with bearing 9, machine body connecting mechanism is connected bearing 9 through rotating shaft 11. The lower end of bearing mounting plate 15 is equipped with the positioning hole of installing latch 13, and latch 13 is installed in the positioning hole and is used to stop machine body connecting mechanism, and the rotation of machine body connecting mechanism is limited.

[0028] The body connecting mechanism comprises a body mounting plate (1, 21) and a cover plate 5, the middle part of the body mounting plate is provided with a through hole for connecting the rotating shaft 11, and a plurality of mounting holes are formed around the body mounting plate for connecting the body 23. The periphery of the through hole is further provided with a plurality of screw holes, the cover plate is connected to the screw holes through cover plate mounting bolts 6 and is fixed on the body mounting plate, covers the through hole, and combines the body mounting plate and the cover plate 5 into a boss structure, so that a space is formed at the middle part of the body mounting plate for the body 23. The cover plate 5 is further provided with a shaft hole for connecting the rotating shaft 11 and a connecting hole for connecting the bolt 13. The connecting hole is provided with a plurality of holes and is arranged in a ring shape. In this way, when the auxiliary device is installed, the rear end of the rotating shaft 11 is connected to the bearing 9, the front end is connected to the shaft hole of the cover plate 5, and the rotating shaft 11 and the body mounting plate are locked and fixed through the cover plate mounting bolts 6 and the cover plate locking nuts 14, so that the body mounting plate can rotate through the bearing 9. Preferably, the front end of the rotating shaft 11 is a stepped column structure, and the limiting surface formed by the stepped column structure cooperates with the bolt to press and fix the cover plate 5 on the rotating shaft 11. In use, the two ends of the body are connected by using the two body connecting mechanisms designed in a symmetrical manner, the body 23 and the body connecting mechanism are fixed in place, then the body 23 is rotated, the bolt 13 is inserted after the body 23 is rotated to an appropriate angle, the bolt 13 passes through the positioning hole and is inserted into the connecting hole of the cover plate 5, and then the rotation of the body 23 is limited, that is, the installation of the piston connecting rod operation can be started. Preferably, the outer side of the through hole of the body mounting plate is provided with an annular convex edge, and the cover plate 5 is fixed on the convex edge. By arranging the convex edge, the distance between the cover plate 5 and the body mounting plate is increased, and the depth of the space is increased.

[0029] In some embodiments, the specific use method of the engine piston connecting rod assembly assembly auxiliary device of the present application is as follows: the engine piston connecting rod assembly assembly auxiliary device is hoisted to the upper side of the body 23 to be installed by using a crane, the position of the engine piston connecting rod assembly assembly auxiliary device is adjusted, the rear end mounting plate 1 and the front end mounting plate 21 of the body are respectively installed on the rear end and the front end of the body 23 by using the mounting plate bolt 2, the flat washer 3 and the spring washer 4, the body is slowly hoisted to an appropriate position, the body is turned over, the bolt 13 is inserted into the round hole of the cover plate 5 when the center of the cylinder hole of the body is parallel to the ground or the position is easy to operate, the body is fixed, the piston connecting rod assembly is assembled by hand according to the process, the bolt 13 is pulled out, the body 23 is turned back to the original position, and the body is continuously rotated downward.

[0030] Specifically, the two ends of the cross beam 18 are provided with a stepped structure to form a second limiting surface, and are further provided with a partition ring 16 and a cross beam locking nut 17, and the partition ring 16 is located between the second limiting surface and the cross beam locking nut 17. Preferably, the middle part of the cross beam 18 is further provided with a lifting lug 19 for connecting a hook plate 20, and the body 23 is hoisted to an assembly point for assembly by using a crane after being assembled to the auxiliary device.

[0031] Those skilled in the art will realize that many modifications can be made to the described embodiments, and that the embodiments and examples chosen are merely given by way of illustration and not by way of limitation.

[0032] While there have been described herein the disclosure with the aid of specific embodiments and illustrative examples for purposes of clarity and explanation, it will be clear to those skilled in the art that a variety of modifications can be made to the described embodiments and examples without departing from the spirit of the present disclosure. Further, it is not intended that the present disclosure be limited to the specific embodiments and examples described herein, but that the present disclosure will also cover all modifications and equivalents falling within the scope of the present disclosure.

Claims

1. An engine piston connecting rod assembly assembly aid device, comprising a crossbeam, bearing mounting plate, body connecting mechanism, both ends of the crossbeam are respectively provided with the bearing mounting plate, the lower end of the bearing mounting plate is provided with a bearing, and the body connecting mechanism is connected with the bearing through a rotating shaft, characterized in that: The bearing mounting plate is further provided with a positioning hole for mounting a latch, and the latch is mounted in the positioning hole; the body connecting mechanism comprises body mounting plates and a cover plate, the two body mounting plates are symmetrically mounted on the bearing mounting plate, the middle part is provided with a through hole for connecting the rotating shaft, and a plurality of mounting holes are formed around the through hole for connecting the body; the cover plate is fixed on the body mounting plate and covers the through hole; the cover plate is further provided with a shaft hole for connecting the rotating shaft and a connecting hole for connecting the latch.

2. An engine piston connecting rod assembly assembly aid as claimed in claim 1 wherein: The periphery of the through hole is further provided with a plurality of screw holes, and the cover plate is fixed on the body mounting plate through the screw holes.

3. An engine piston connecting rod assembly assembly aid as in claim 1, wherein: The connecting hole is provided with a plurality of ring-shaped arrangements.

4. An engine piston connecting rod assembly assembly aid as described in claim 1 wherein: The front end of the rotating shaft is a stepped column structure, and the limiting surface formed by the stepped column structure cooperates with a bolt to press and fix the cover plate on the rotating shaft.

5. An engine piston connecting rod assembly assembly aid as described in claim 1 wherein: The periphery of the through hole of the body mounting plate is provided with an annular convex edge, and the cover plate is fixed on the convex edge.

6. An engine piston connecting rod assembly assembly aid as described in claim 1 wherein: The two ends of the cross beam are provided with a stepped structure to form a second limiting surface, and are further provided with a partition ring and a cross beam locking nut, wherein the partition ring is located between the second limiting surface and the cross beam locking nut.

7. An engine piston connecting rod assembly assembly aid as claimed in claim 6 wherein: The middle part of the cross beam is further provided with a lifting lug.

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