CN204277943U - Connecting rod cap disassembling fixture - Google Patents

Abstract

The utility model discloses a tool for removing a connecting rod cover, which comprises a bottom plate, a small head positioning assembly and a large head positioning assembly. The large head positioning assembly includes a base, a moving positioning block and a fixed positioning block, and the fixed positioning block is fixed on the base Above, the mobile positioning block is arranged in a way that can move laterally relative to the fixed positioning block. After the fixed positioning block and the mobile positioning block are closed together, they form a cylindrical structure for positioning the big end hole of the connecting rod; after the big end is positioned, the connecting rod The connecting bolt connecting the cover and the rod body is disassembled, and then the moving positioning block is driven to move outward, so that the fixed positioning block and the moving positioning block are separated, so that the connecting rod cover slides off from the connecting rod body, which greatly saves manpower and time, and makes the connecting rod The disassembly of the cover is more convenient, which improves the work efficiency.

Description

Connecting rod cover removal tooling

technical field

The utility model relates to a tool, in particular to a tool for removing a connecting rod cover.

Background technique

The connecting rod is an important part of the engine. The connecting rod includes a rod body, a small end and a big end. The big end is used to connect with the crankshaft. The big end includes the end of the rod body and the connecting rod cover. When assembling the engine, we need a workbench to fix the connecting rod and remove the connecting rod cover bolts. Since there are positioning pins between the connecting rod body and the connecting rod cover, even if the connecting rod bolts are removed, it is not easy to remove the connecting rod cover bolts. It is not only time-consuming but also laborious to remove the cover, which is not conducive to the improvement of work efficiency.

Therefore, it is necessary to improve the existing connecting rod cap dismounting tool, so that after the connecting rod bolts are disassembled, the connecting rod cap can be quickly removed, thereby greatly improving work efficiency.

Utility model content

In view of this, the utility model provides a connecting rod cover removal tool, which can quickly remove the connecting rod cover after the connecting rod bolts are disassembled, thereby greatly improving the working efficiency.

The connecting rod cover removal tooling of the utility model includes a bottom plate, a small end positioning assembly for positioning the small end of the connecting rod, and a large end positioning assembly for disassembling the large end of the connecting rod. The large end positioning assembly includes a base Seat, mobile positioning block and fixed positioning block, the fixed positioning block is fixed on the base, the mobile positioning block is set in a way that can move laterally relative to the fixed positioning block, and the fixed positioning block and the mobile positioning block are closed together to form a joint A cylindrical structure in which the hole at the big end of the rod is positioned.

Further, the mobile positioning block is driven by a screw slide mechanism. The screw slide mechanism includes a screw, a slide and a gland. The gland is fixedly arranged on the base, and one end of the screw is connected to the base in a manner that can rotate around its own axis. In cooperation, the sliding seat can move relative to the base, and the fixed positioning block is fixedly connected to the sliding seat.

Further, the small end positioning assembly includes a support column and a positioning pin fixedly arranged on the upper end of the support column and used to insert into the small end hole of the connecting rod for positioning, and the support column is fixedly arranged on the bottom plate.

Further, the upper end of the base forms an L-shaped fixed positioning block mounting seat, and the upper end of the sliding seat forms an L-shaped mobile positioning block mounting seat correspondingly.

Further, both the fixed positioning block and the mobile positioning block are semi-cylindrical structures.

Further, the big head positioning assembly also includes a screw driving assembly, the screw driving assembly includes a connecting cap, a handle and a handle ball, one end of the handle is connected to the handle ball, and the other end is connected to the connecting cap, the connecting cap is sleeved on the end of the screw and connected through a pin body .

Beneficial effects of the present utility model: the connecting rod cover dismounting tooling of the present utility model can position the small end of the connecting rod by setting the small end positioning assembly, and the cylinder positioning structure formed after the moving positioning block and the fixed positioning block are closed The big end of the connecting rod is positioned. After the big end is positioned, the connecting bolt connecting the connecting rod cover and the rod body is removed, and then the moving positioning block is driven to move outward, so that the fixed positioning block and the moving positioning block are separated, so that the connecting rod cover is separated from the connecting rod. The body slides off, which greatly saves manpower and time, makes the disassembly of the connecting rod cover more convenient, and improves work efficiency.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a view from Fig. 1B-B;

Fig. 3 is a schematic top view of the structure of the utility model.

Detailed ways

As shown in the figure: the connecting rod cover removal tooling of this embodiment includes a bottom plate 1, a small end positioning assembly for positioning the small end of the connecting rod, and a large end positioning assembly for positioning and disassembling the large end of the connecting rod. The big head positioning assembly includes a base 2, a mobile positioning block 3 and a fixed positioning block 4, the fixed positioning block 4 is fixedly arranged on the base 2, the mobile positioning block 3 is arranged in a way that can move laterally relative to the fixed positioning block 4, and the fixed positioning block The block 4 and the moving positioning block 3 together form a cylinder structure for positioning the big end hole of the connecting rod after being closed.

In this embodiment, the mobile positioning block 3 is driven by a screw slide mechanism. The screw slide mechanism includes a screw 5, a slide 6 and a gland 7. The gland 7 is fixedly arranged on the base 2. One end of the screw 5 is connected with a It can rotate around its own axis to cooperate with the base 2, the sliding seat 6 is movable relative to the base 2, and the fixed positioning block 4 is fixedly connected to the sliding seat 6; wherein the gland 7 is connected to the base 2 through screws, and the base The seat 2 is provided with a transverse through hole, and the gland 7 includes a connection part and a positioning locking part, and the positioning locking part is locked in the transverse through hole. In addition, a part of the sliding seat 6 forms a guide part and is embedded in the base 2 The guiding effect is formed in the horizontal through hole of the horizontal through hole. The screw 5 and the gland 7 are connected by bearings, and the screw 5 is rotated to make the sliding seat 6 move horizontally and linearly, thereby driving the moving positioning block 3 to move relative to the fixed positioning block 4. This structure is simple and reliable. convenient.

In this embodiment, the small head positioning assembly includes a support column 8 and a positioning pin 9 fixedly arranged on the upper end of the support column 8 and used for positioning in the small end hole of the connecting rod. The support column 8 is fixedly arranged on the bottom plate 1; the connection is stable, wherein, The lower end of the positioning pin 9 forms a threaded connection section, which is embedded in the threaded connection hole provided on the upper end of the support column 8 .

In this embodiment, the upper end of the base 2 forms an L-shaped mounting seat for the fixed positioning block 4, and the upper end of the slide seat 6 forms a corresponding mounting seat for the L-shaped mobile positioning block 3; in the corresponding positioning seat, the fixed positioning block 4 and the mobile positioning block 3 are both Connect with the corresponding mounting base by screws 14.

In this embodiment, both the fixed positioning block 4 and the mobile positioning block 3 are semi-cylindrical structures.

In this embodiment, the big head positioning assembly also includes a screw drive assembly, the screw drive assembly includes a connection cap 10, a handle 11 and a handle ball 12, one end of the handle 11 is connected to the handle ball 12, and the other end is connected to the connection cap 10, and the connection cap 10 The outer casing is on the end of the screw rod 5 and connected by the pin body 13; the driving is labor-saving, convenient, simple and reliable.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (6)

1. A connecting rod cover disassembly tooling, characterized in that: it includes a bottom plate, a small end positioning assembly for positioning the small end of the connecting rod, and a large end positioning assembly for disassembling the large end of the connecting rod. The big head positioning assembly includes a base, a moving positioning block and a fixed positioning block, the fixed positioning block is fixedly arranged on the base, the moving positioning block is arranged in a way that can move laterally relative to the fixed positioning block, and the fixed positioning block The positioning block and the moving positioning block together form a cylindrical structure for positioning the big end hole of the connecting rod after being closed. 2. The connecting rod cover removal tool according to claim 1, characterized in that: the moving positioning block is driven by a screw slide mechanism, and the screw slide mechanism includes a screw, a slide and a gland, and the pressure The cover is fixedly arranged on the base, and one end of the screw is matched with the base in a manner that can rotate around its own axis, the sliding seat is movable relative to the base, and the fixed positioning block is fixedly connected to the sliding seat . 3. The connecting rod cover removal tool according to claim 2, characterized in that: the small end positioning assembly includes a support column and a positioning pin fixedly arranged on the upper end of the support column and used for positioning in the small end hole of the connecting rod. The support column is fixedly arranged on the bottom plate. 4. The connecting rod cover removal tool according to claim 3, wherein the upper end of the base forms an L-shaped fixed positioning block mounting seat, and the upper end of the sliding seat forms an L-shaped mobile positioning block mounting seat correspondingly. 5 . The connecting rod cover removal tool according to claim 4 , wherein both the fixed positioning block and the moving positioning block are semi-cylindrical structures. 6 . 6. The connecting rod cover removal tool according to claim 5, characterized in that: the big head positioning assembly also includes a screw driving assembly, the screw driving assembly includes a connecting cap, a handle and a handle ball, one end of the handle is connected to The handle ball is connected, and the other end is connected with a connecting cap, and the connecting cap is sleeved on the end of the screw rod and connected through a pin body.