CN216422406U - Mounting device for engine fan transmission belt pulley - Google Patents
Mounting device for engine fan transmission belt pulley Download PDFInfo
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- CN216422406U CN216422406U CN202120470584.4U CN202120470584U CN216422406U CN 216422406 U CN216422406 U CN 216422406U CN 202120470584 U CN202120470584 U CN 202120470584U CN 216422406 U CN216422406 U CN 216422406U
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- screw
- guide sleeve
- end screw
- belt pulley
- pressing
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Abstract
The utility model relates to a mounting device for a fan transmission belt pulley of an engine, which belongs to the technical field of engine mounting and comprises a pressing-in device and a guide sleeve device, wherein the pressing-in device is integrally arranged, the guide sleeve device is sleeved with the pressing-in device, the pressing-in device comprises a front-end screw-in screw, a guiding rotary structure and a rear-end screw which are sequentially connected, the rotary structure comprises a cylinder close to the end part of the front-end screw-in screw and a cone connecting the cylinder and the rear-end screw, the guide sleeve device is a hollow cylinder and arranged on the rotary structure, the rear-end screw is in matched sleeve connection with the screw-in tightening device, and two ends of the screw-in tightening device are provided with positioning bosses which are matched with clamping grooves at one end of the guide sleeve device. The utility model can be used in any environment, the base is firstly arranged on the engine when the fan transmission belt pulley is arranged, and then the fan belt pulley and the bearing are arranged on the base, thereby changing the installation sequence, improving the working efficiency, changing the two-person operation into the one-person operation and freeing the labor force.
Description
Technical Field
The utility model relates to a mounting device for a fan transmission belt pulley of an engine, and belongs to the technical field of engine mounting.
Background
The front end of the crankshaft of the water-cooled engine can increase power output through the belt pulley and increase the fan transmission device according to actual requirements, therefore, the wheel train design increases the requirement of the coplanarity of the wheel grooves between the fan transmission belt pulley and the crankshaft belt pulley, when the coplanarity deviation is large, an adjusting pad needs to be added for adjustment, and multiple times of installation is needed for measurement and selection of the adjusting pad. When current fan transmission installs, need assemble after assembling base, bearing and belt pulley earlier, because the sub-assembly is heavier during the assembly, need two people cooperation installation just can accomplish to because the belt pulley has been assembled on the base during the installation, it is very little to fix used bolt tightening space on the engine, need tighten with the open end spanner manual work, and efficiency is very low, and this kind of mounting means need just can accomplish work with the help of the pressure equipment machine, and need lean on electric power to drive the operation. However, when the engine is assembled and repaired outdoors or outdoors, no corresponding equipment meets the press fitting requirement, and the outdoor assembly lacks multi-person cooperation operation, so that the problem of press fitting for outdoor assembly of the fan belt pulley is mainly solved. If the assembly work of the fan pulley cannot be performed, the assembly repair of the next part of the engine cannot be secured.
The utility model develops the mounting device for the transmission belt pulley of the engine fan, changes the mounting sequence, saves the mounting time, improves the working efficiency, and enables the fan belt pulley to be independently operated and assembled by one person on a non-assembly line so as to carry out assembly and repair work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mounting device for a transmission belt pulley of an engine fan, which is used for single-person independent assembly work of the engine fan belt pulley on an outdoor non-assembly line.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an installation device for a transmission belt pulley of an engine fan comprises a press-in device and a guide sleeve device which is sleeved with the press-in device, the press-in device comprises a front end screw-in screw, a guiding rotary structure and a rear end screw which are sequentially connected, the rotating structure comprises a cylinder which is arranged close to the end part of the front end screw in the screw rod and a cone which is connected with the cylinder and the screw rod at the rear end, and the diameters of the two end surfaces of the cone are respectively equal to the diameters of the cylinder and the rear end screw rod, the cone and the cylinder are connected in a smooth radian manner, and the middle part of the cone is provided with a square platform which is convenient for the fastening of a spanner, the guide sleeve device is arranged into a hollow cylinder, the guide sleeve device is sleeved on the rotating structure, the rear end screw rod is externally matched, sleeved and screwed in the screwing device, the both ends of screw in tightening device are equipped with the boss of location, and the one end that the guide pin bushing device is close to the rear end screw rod is equipped with the draw-in groove with boss looks adaptation.
The technical scheme of the utility model is further improved as follows: the external part of the screwing device adopts a hexagonal structure.
The technical scheme of the utility model is further improved as follows: the length of the screw-in tightening device is equal to that of the rear end screw rod.
The technical scheme of the utility model is further improved as follows: the front end screw-in screw is matched with a hole of the fan transmission base.
Due to the adoption of the technical scheme, the utility model has the following technical effects:
the utility model can be used in any environment, the base is firstly arranged on the engine when the fan transmission belt pulley is arranged, and then the fan belt pulley and the bearing are arranged on the base, thereby changing the installation sequence, saving the installation time, improving the working efficiency, changing the two-person operation into the one-person operation and freeing the labor force.
The pressing device adopts a screw thread screwing type compression principle, the pressing device is arranged on the fan transmission base by using a screwing tool, the end surface of the rotating structure is attached to the top end surface of the fan transmission base, the conical structure of the pressing device can play a good guiding role, the phenomenon of bias pressure clamping stagnation in the pressing process is prevented, a square platform is adopted at the tail end of the rotating structure, and the pressing device can be directly arranged on the fan transmission base by using a universal wrench; the screwing device adopts an outer hexagonal structure, can be directly screwed by using an electric tool or a pneumatic tool, and is convenient for outdoor installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the pressing device according to the present invention;
FIG. 3 is a schematic view of the screw-in tightening apparatus of the present invention;
FIG. 4 is a schematic view of the structure of the guiding device of the present invention;
the device comprises a guide sleeve device 1, a screw-in screwing device 2, a boss 3-1, a front screw-in screw 3-1, a rotating structure 3-2, a square platform 3-3 and a rear screw 3-4.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model discloses a mounting device for a fan transmission belt pulley of an engine, which comprises a press-in device and a guide sleeve device 1, wherein the press-in device and the guide sleeve device are integrally arranged, and the guide sleeve device is sleeved with the press-in device, as shown in figure 1. As shown in figure 2, the pressing-in device comprises a front end screw-in screw rod 3-1, a guiding rotary structure 3-2 and a rear end screw rod 3-4 which are sequentially connected. The end part of the rotating structure 3-2 close to the front end screwed in the screw rod 3-1 is arranged to be a cylinder, the other end of the cylinder is connected with a cone through a cone with a certain radian on the surface, the diameters of two end surfaces of the cone are respectively equal to the diameters of the cylinder and the screw rod 3-4 at the rear end, and the cone can play a good role in guiding and prevent the phenomenon of bias pressure and clamping stagnation in the pressing-in process; the front end screw-in screw 3-1 is matched with a hole of the fan transmission base, and the middle part of the cone is provided with a square platform 3-3, so that a universal wrench can be used for directly installing the pressing-in device on the fan transmission base through the front end screw-in screw 3-1.
As shown in fig. 1, 3 and 4, the length of the guide sleeve device 1 is slightly greater than that of the rotating structure 3-2, the guide sleeve device 1 is sleeved outside the rotating structure 3-2 through a screwing device 2 which is in fit and sleeve connection with the rear end screw rod 3-4, the length of the screwing device 2 is equal to that of the rear end screw rod 3-4, and the outside of the screwing device adopts a hexagonal structure, so that the direct screwing by using an electric tool or a pneumatic tool is facilitated; the guide sleeve device 1 is arranged to be a hollow cylinder, one end of the guide sleeve device 1, which is close to the rear end screw rod 3-4, is matched with the boss 2-1 screwed into the screwing device 2, and the positioning effect is achieved.
The application process of the utility model is as follows:
the pressing device adopts a screw thread screwing type compression principle, the pressing device is installed on a fan transmission base through a front end screwing screw 3-1 by using a screwing tool, the end surface of a rotating structure 3-2 is attached to the top end surface of the fan transmission base, a cone structure of the pressing device can play a good guiding role, the bias clamping stagnation phenomenon in the pressing process is prevented, a square platform 3-3 is adopted at the tail end of the rotating structure, and the pressing device can be directly installed on the fan transmission base by using a universal wrench; then the belt pulley and the bearing are respectively penetrated into the pressing-in device, the guide sleeve device 1 is penetrated into a rear end screw rod 3-4 of the pressing-in device, finally the screwing-in and screwing device 2 is installed on the rear end screw rod 3-4, the bearing and the belt pulley are pressed in by screwing the screwing-in and screwing device 2 through threads, the screwing-in and screwing device 2 adopts an external hexagonal structure, and the belt pulley and the bearing can be directly screwed by using an electric tool or a pneumatic tool.
Claims (4)
1. A mounting device for an engine fan drive pulley, characterized by: the device comprises an integrally arranged pressing device and a guide sleeve device (1) sleeved with the pressing device, wherein the pressing device comprises a front end screw-in screw (3-1), a guiding rotary structure (3-2) and a rear end screw (3-4) which are sequentially connected, the rotary structure (3-2) comprises a cylinder arranged close to the end part of the front end screw-in screw (3-1) and a cone connecting the cylinder and the rear end screw (3-4), the diameters of two end surfaces of the cone are respectively equal to the diameters of the cylinder and the rear end screw (3-4), the cone and the cylinder are connected in a smooth radian manner, a square platform (3-3) convenient for fastening a wrench is arranged in the middle of the cone, the guide sleeve device (1) is arranged to be a hollow cylinder, and the guide sleeve device (1) is sleeved on the rotary structure (3-2), the rear-end screw (3-4) is externally matched and sleeved with the screw-in tightening device (2), bosses (2-1) for positioning are arranged at two ends of the screw-in tightening device (2), and a clamping groove matched with the bosses (2-1) is arranged at one end, close to the rear-end screw (3-4), of the guide sleeve device (1).
2. A mounting device for an engine fan drive pulley according to claim 1, wherein: the screw-in and screwing device (2) is in a hexagonal structure at the outer part.
3. A mounting device for an engine fan drive pulley according to claim 1, wherein: the length of the screwing device (2) is equal to that of the rear end screw (3-4).
4. A mounting device for an engine fan drive pulley according to claim 1, wherein: the front end screw-in screw (3-1) is matched with the hole of the fan transmission base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120470584.4U CN216422406U (en) | 2021-03-04 | 2021-03-04 | Mounting device for engine fan transmission belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120470584.4U CN216422406U (en) | 2021-03-04 | 2021-03-04 | Mounting device for engine fan transmission belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216422406U true CN216422406U (en) | 2022-05-03 |
Family
ID=81314836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120470584.4U Active CN216422406U (en) | 2021-03-04 | 2021-03-04 | Mounting device for engine fan transmission belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216422406U (en) |
-
2021
- 2021-03-04 CN CN202120470584.4U patent/CN216422406U/en active Active
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