CN217453789U

CN217453789U - Main bearing cap mounting device

Info

Publication number: CN217453789U
Application number: CN202221086837.9U
Authority: CN
Inventors: 姚远; 张文涛; 尹秀香
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-20
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a main bearing cap mounting device, which comprises a mounting plate, a positioning piece and a fixing piece, wherein the two ends of the fixing piece are communicated with the bearing cap to pass through; the mounting plate is provided with a mounting hole communicated with the fixing piece, one end of the fixing piece is connected with the mounting plate, the fixing piece is used for being abutted to the engine cylinder body along the other end extending in the first direction, the positioning piece is mounted on the mounting plate, and the length of the positioning piece extending in the first direction is larger than the length of the fixing piece extending in the first direction. The main bearing cap mounting device has the advantages of being accurate in positioning and rapid in mounting, and preventing the quality of an engine from being influenced by the fact that a bolt collides with a crankshaft.

Description

Main bearing cap mounting device

Technical Field

The utility model relates to a vehicle erecting tool technical field especially relates to a main bearing cap installation device.

Background

The automobile engine drives the automobile to run by means of power transmitted by the crankshaft rotating at a high speed, the main bearing cover of the cylinder body is an external installation environment of the crankshaft, and normal assembly of the main bearing cover has very important influence on the reliability of the whole engine.

When installing the main bearing cap on the engine cylinder body, prior art's mounting means does, and the technical staff left hand is got the main bearing cap that snatchs the first fender in left side and second fender on the frock earlier, and the right hand snatchs the right side fourth fender and the fifth fender main bearing cap on the frock. Then the left hand and the right hand install first fender and fifth fender simultaneously, install second fender and fourth fender simultaneously again after the installation finishes, and after the installation finishes, the right hand goes the frock once more and snatchs the third and keeps off the main bearing cap, then installs the third and keeps off the main bearing cap. Every engine has five to keep off the main bearing cap, and operating personnel snatchs 2100 main bearing caps about every class, installs 3500 main bearing caps, and this kind of operating mode exists: the main bearing cover is manually grabbed and installed, and the assembly mode of one-by-one split charging has high action frequency and low working efficiency; technicians carelessly knock bolts of the main bearing caps on main journals of the crankshafts to cause abnormal abrasion of the main journals, so that abnormal sound of the engines is caused, and the quality of the engines is influenced.

Therefore, there is a need to provide a new main bearing cap mounting device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a main bearing cap installation device aims at solving the technical problem that prior art bearing cap assembly efficiency is low, assembly bolt easily collides with the bent axle.

In order to achieve the purpose, the utility model provides a main bearing cap mounting device, which comprises a mounting plate, a positioning piece and a fixing piece, wherein two ends of the fixing piece are communicated with the bearing cap to pass through; the mounting panel on seted up with the mounting hole of mounting intercommunication, the one end of mounting with the mounting panel is connected, the other end that the mounting extends along the first direction is used for with engine cylinder body butt, the setting element install in the mounting panel, just the setting element is followed the length that the first direction extends is greater than the mounting is followed the length that the first direction extends.

In an embodiment, the fixing member includes a tension probe and a housing installed on the mounting plate, a through hole is opened at one side of the housing, one end of the tension probe is installed outside the housing, the other end of the tension probe movably penetrates through the through hole, and the tension probe is used for abutting against the bearing cover.

In one embodiment, the number of the tension probes is two, and the two tension probes are respectively arranged on two opposite sides of the shell.

In an embodiment, the fixing member includes a housing and a clamping portion, the clamping portion is disposed on an inner wall of the housing, the clamping portion is telescopically connected with the housing along a second direction, and the second direction is perpendicular to the inner wall of the housing.

In an embodiment, the main bearing cap mounting device further includes an elastic member, the clamping portion includes two clamping plates oppositely disposed on two sides of the housing, and the clamping plates and the housing are connected through the elastic member.

In an embodiment, the clamping plates include a guiding section and a vertical section which are connected with each other along a direction away from the mounting hole, the vertical section is perpendicular to the second direction, the vertical section is connected with the elastic member, and the guiding sections of the two clamping plates are respectively arranged in a gradually expanding manner from the vertical section to the mounting hole.

In one embodiment, the positioning element comprises two positioning pins arranged on the mounting plate at intervals, and the two positioning pins respectively extend into the fabrication holes formed in the engine cylinder body for positioning.

In one embodiment, the locating pin and the mounting plate are removably connected.

In one embodiment, the number of the fixing pieces is multiple, and the fixing pieces are mounted on the mounting plate at intervals.

In one embodiment, the main bearing cap mounting device further comprises handles, and the two handles are oppositely arranged at two ends of the mounting plate.

In the technical scheme of the utility model, the main bearing cap mounting device comprises a mounting plate, a positioning piece and a fixing piece, wherein two ends of the fixing piece are communicated with the bearing cap to pass through the bearing cap; offer the mounting hole with the mounting intercommunication on the mounting panel, the one end and the mounting panel of mounting are connected, the mounting along the other end that the first direction extends be used for with engine cylinder body butt, the setting element is installed in the mounting panel, and the length that the setting element extends along the first direction is greater than the length that the mounting extends along the first direction. When the main bearing cap is installed on an engine cylinder body (cylinder body for short), the main bearing cap installation device is used for positioning and matching installation, the main bearing cap installation device is firstly carried to the cylinder body, the lowest end of the fixing piece is abutted against the installation plane of the cylinder body, one end of the positioning piece extends into the cavity in the cylinder body, the main bearing cap installation device is matched with the cylinder body to position the position of the main bearing cap installation device, after the main bearing cap is downwards installed in the fixing piece from the installation hole, the bottom end of the main bearing cap is abutted against the cylinder body, bolt holes of the main bearing cap are exactly corresponding to threaded holes in the cylinder body one by one, then a technician can lock the main bearing cap and the cylinder body by using bolts with slight force, the installation plate and the fixing piece protect the main bearing cap and the bolts from accidentally falling and colliding with a crankshaft in the cylinder body in the process, the technician does not need to grab the main bearing cap from a left-right-hand tool for many times, and prevents the technician from excessively rotating the wrist, causing over-fatigue of the wrist; after the prepared mounting work is completed, the main bearing cap mounting device can be lifted upwards and taken away. The utility model discloses a have the location accurate, the installation rapidly, avoided the bolt to collide with the bent axle influence engine quality's advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a main bearing cap mounting device according to an embodiment of the present invention;

FIG. 2 is a front view of a main bearing cap mounting apparatus according to an embodiment of the present invention;

FIG. 3 is a top view of a main bearing cap mounting apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fixing member according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two groups, e.g., two groups, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any combination, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1 and 3, the present invention provides a main bearing cap mounting device 100, which includes a mounting plate 1, a positioning member 3 and a fixing member 2 having two ends penetrating through the main bearing cap for the main bearing cap to pass through; offer the mounting hole 11 with 2 intercommunications of mounting 2 on the mounting panel 1, the one end and the mounting panel 1 of mounting 2 are connected, the other end that mounting 2 extends along the first direction be used for with the engine cylinder body butt, setting element 3 installs in mounting panel 1, and the length that setting element 3 extends along the first direction is greater than the length that mounting 2 extends along the first direction.

In the above embodiment, the first direction is the up-down direction in fig. 1, when the main bearing cap is installed on the engine cylinder (cylinder for short), the main bearing cap installation device 100 is used for positioning and fitting installation, firstly, the main bearing cap installation device 100 is carried to the cylinder, the lowest end of the fixing piece 2 abuts against the installation plane of the cylinder, one end of the positioning piece 3 extends into the cavity in the cylinder, the main bearing cap installation device 100 is matched with the cylinder to position the position of the main bearing cap installation device 100, after the main bearing cap is downwards installed into the fixing piece 2 from the installation hole 11, the bottom end of the main bearing cap abuts against the cylinder, the bolt holes of the main bearing cap just correspond to the threaded holes in the cylinder one by one, then, a technician can lock the main bearing cap and the cylinder by using bolts with slight force, in this process, the installation plate 1 and the fixing piece 2 protect the main bearing cap and the bolts from accidentally falling down and colliding with the crankshaft in the cylinder, technicians do not need to grab the main bearing caps from the left-hand and right-hand tools for many times, so that the problem that the wrists are excessively tired due to excessive wrist rotation of the technicians is avoided; after the prepared installation work is completed, the main bearing cap installation device 100 may be pulled upward and removed. The embodiment has the advantages of accurate positioning, rapid installation and capability of avoiding the influence of the bolt on the quality of the engine due to the collision with the crankshaft.

Referring to fig. 1 and 2, in an embodiment, the fixing member 2 includes a tension probe 22 and a housing 21 mounted on the mounting plate 1, a through hole is formed in one side of the housing 21, one end of the tension probe 22 is mounted outside the housing 21, the other end of the tension probe 22 movably penetrates through the through hole, and the tension probe 22 is used for abutting against the bearing cap. When the main bearing cap is installed in the housing 21, the main bearing cap pushes the tension probe 22 open, the spring in the tension probe 22 is compressed, and then the tension probe 22 pushes the main bearing cap under the reaction force of the spring, so that the main bearing cap can be firmly fixed and prevented from falling.

Specifically, in order to uniformly stress the main bearing cap and achieve a better fixing effect, two tensioning probes 22 are provided, and the two tensioning probes 22 are respectively arranged on two opposite sides of the shell 21.

In one embodiment, the fixing member 2 includes a housing 21 and a clamping portion, the clamping portion is disposed on an inner wall of the housing 21, and the clamping portion is telescopically coupled to the housing 21 along a second direction, and the second direction is perpendicular to the inner wall of the housing 21. The structure of fixed main bearing cap can also set up to the clamping part with casing 21 telescopic connection, when the main bearing cap was put into casing 21, backs down the clamping part, makes the clamping part remove to the inner wall direction that is close to casing 21, after packing into, applys external force to the clamping part and makes the clamping part firmly support the main bearing cap, prevents that the main bearing cap from dropping.

Referring to fig. 4, specifically, the main bearing cap mounting device 100 further includes an elastic member 5, the clamping portion includes two clamping plates 230 oppositely disposed at two sides of the housing 21, and the clamping plates 230 and the housing 21 are connected by the elastic member 5. The mode of applying external force to the clamping part can be driven by a driving motor, or can be that elastic potential energy is accumulated when the elastic part 5 is compressed by installing the elastic part 5, and then the main bearing cap of the clamping plate 230 is pushed to abut against under the reaction force, so that the effect is better when two clamping plates 230 are arranged oppositely, and the embodiment has lower cost; the elastic member 5 may be a spring, an elastic cushion, a cushion rubber, or the like.

More specifically, in order to make the main bearing cap more convenient to be put into the housing 21, it is not interfered by the chucking plate 230; chucking plate 230 is along keeping away from 11 directions of mounting hole including interconnect's guide segment 231 and vertical section 232, vertical section 232 perpendicular to second direction, and vertical section 232 is connected with elastic component 5, and the guide segment 231 of two chucking plates 230 is the setting of gradually expanding to the mounting hole 11 directions from vertical section 232 respectively, and the main bearing cap descends along guide segment 231 earlier, along with descending, promotes chucking plate 230 gradually and removes to casing 21 direction, uses more portably.

Referring to fig. 3, in an embodiment, the positioning member 3 includes two positioning pins 31 disposed on the mounting plate 1 at intervals, the two positioning pins 31 respectively extend into the fabrication holes formed in the cylinder block of the engine for positioning, during the machining process of the cylinder block, a plurality of fabrication holes having an auxiliary function are machined in the upper end of the cylinder block, the positioning pins 31 are disposed to be matched with the fabrication holes, and the structure of the cylinder block itself is reasonably utilized to accurately position the main bearing cap mounting device 100.

Specifically, the positioning pin 31 and the mounting plate 1 are detachably connected. In the use process, collision and collision of the positioning pin 31 and the process hole can be avoided, and in order to avoid inaccuracy of the positioning position of the main bearing cap mounting device 100 by the damaged positioning pin 31, the positioning pin 31 is in threaded connection with the mounting plate 1, so that replacement is facilitated.

Referring to fig. 1, in an embodiment, the number of the fixing members 2 is multiple, and the fixing members 2 are installed on the mounting plate 1 at intervals. The number of the engine cylinders is generally two, the engine cylinders are arranged on the cylinder body at intervals, and the plurality of fixing pieces 2 are arranged to correspond to the number of the engine cylinders and integrally installed together, so that the efficiency is improved by more than 60% compared with the traditional manual installation efficiency. Specifically, the number of the fixing members 2 of this embodiment is set to 5.

In one embodiment, in order to facilitate the technician to move the main bearing cap mounting device 100 and lift the main bearing cap mounting device 100 upwards after the main bearing cap is mounted, the main bearing cap mounting device 100 further comprises two handles 4, and the two handles 4 are oppositely arranged at two ends of the mounting plate 1.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A main bearing cap mounting device is characterized by comprising a mounting plate, a positioning piece and a fixing piece, wherein two ends of the fixing piece are communicated with the fixing piece through which a bearing cap passes; set up on the mounting panel with the mounting hole of mounting intercommunication, the one end of mounting with the mounting panel is connected, the other end that the mounting extends along first direction is used for with engine cylinder body butt, the setting element install in the mounting panel, just the setting element is followed the length that first direction extends is greater than the mounting is followed the length that first direction extends.

2. The main bearing cap mounting arrangement of claim 1 wherein the fixture includes a tension probe and a housing mounted to the mounting plate, the housing having a through hole formed in one side thereof, one end of the tension probe being mounted to an outside of the housing, the other end of the tension probe movably passing through the through hole, the tension probe being adapted to abut the bearing cap.

3. The main bearing cap mounting arrangement of claim 2 wherein there are two of said tension probes, two of said tension probes being disposed on opposite sides of said shell.

4. The main bearing cap mounting arrangement of claim 1 wherein the fixture comprises a shell and a gripping portion, the gripping portion disposed on an inner wall of the shell, the gripping portion telescopically engaging the shell in a second orientation, the second orientation being perpendicular to the inner wall of the shell.

5. The main bearing cap mounting arrangement of claim 4 further comprising a resilient member, wherein the clamping portion comprises two clamping plates disposed opposite each other on opposite sides of the housing, the clamping plates and the housing being connected by the resilient member.

6. The main bearing cap mounting arrangement of claim 5 wherein said clamp plates include a guide section and a vertical section connected to each other in a direction away from said mounting hole, said vertical section being perpendicular to said second direction, and said vertical section being connected to said resilient member, said guide sections of said two clamp plates being disposed in a diverging manner from said vertical section toward said mounting hole, respectively.

7. The main bearing cap mounting arrangement of claim 1 wherein said locating member comprises two locating pins spaced apart on said mounting plate, said two locating pins each extending into a respective one of said tooling holes formed in said engine block for locating.

8. The main bearing cap mounting arrangement of claim 7 wherein said alignment pin is removably attached to said mounting plate.

9. The main bearing cap mounting arrangement of any one of claims 1-8 wherein the number of said fasteners is a plurality, a plurality of said fasteners being spaced apart and mounted to said mounting plate.

10. The main bearing cap mounting arrangement of any one of claims 1-8 further comprising handles disposed opposite ends of the mounting plate.