CN117381358A - Engine cooling spray hook assembly calibration tool and application method thereof - Google Patents

Abstract

The invention discloses an engine cooling spray hook assembly calibration tool which comprises a parting surface positioning piece, wherein a limiting block is arranged at the bottom of the parting surface positioning piece, the bottom of a connecting rod is bent to form a bend, a bayonet is formed at the tail end of the bend, and a vertical downward connecting rod is arranged at the bottom of the parting surface positioning piece. The invention provides a tool convenient for adjusting the working position of a cooling spray head of an engine, when a spray hook is installed, the mouth of the spray hook can be effectively limited at a designated position by pre-positioning and tightening a bolt, so that the tool is beneficial to spraying oil bundles onto the surface of a piston when the piston works, and the forced cooling work can be smoothly completed; the tool is convenient to use, can replace manual correction of the spray hook, improves the progress of spray hook installation, enables the spray hook to reach the predetermined installation requirement, reduces reworking times, and improves working efficiency.

Description

Engine cooling spray hook assembly calibration tool and application method thereof

[ field of technology ]

The invention belongs to the technical field of engine parts, and particularly relates to an engine cooling spray hook assembly calibration tool and a use method thereof.

[ background Art ]

The engine cooling spray hook is also called an engine cooling spray nozzle, and the component of the engine cooling spray hook is in a cylinder form and is used for cooling the piston.

At present, an engine cooling spray hook is fixed in an engine body by bolts, when the bolts are tightened, the bottom surfaces of screw caps of the bolts are contacted with the top surfaces of the spray hook, and when the bolts are further fixed, the bottom surfaces of the nuts can drive the spray hook to rotate or swing by corresponding angles due to friction force, after the bolts are tightened, the mouth parts of the spray hook and planned spray points can generate axial rotation deviation, so that when the pistons work, oil beams cannot be sprayed on the surfaces of the pistons, forced cooling cannot be performed, at present, operators can also fix the engine cooling spray hook by hands, and because the rotating force of the bolts is large, the hands of the operators are soft, the spray hook deviation can be caused when the method is fixed, the preset installation requirement can not be met, and the reworking operation reduces the working efficiency. Therefore, the application provides an engine cooling spray hook assembly calibration tool and a use method thereof, which are used for solving the technical problems.

[ invention ]

The invention aims to provide an engine cooling spray hook assembly calibration tool and a use method thereof, which are used for solving the problems that the existing engine spray hook is inconvenient to install, unqualified and the like, so that forced cooling cannot be realized, reworking time is prolonged and the like.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an engine cooling spouts and colludes assembly calibration frock, includes the parting plane setting element, the bottom of parting plane setting element is equipped with the stopper, the bottom of connecting rod is the form of bending, forms to bend, the bayonet socket has been seted up to the end of bending, parting plane setting element bottom is equipped with vertical decurrent connecting rod.

Further, the separating surface locating piece is a rectangular metal piece, a through hole is formed in the bottom of the separating surface locating piece, and a limiting block is arranged in the through hole.

Further, the through holes are round through holes or threaded holes, and the limiting blocks are limiting pins or bolts.

Further, the through hole is at least one place.

Further, the side wall of the separating surface positioning piece is provided with a bulge, and the connecting rod bolt or the welding is arranged at the bottom of the bulge.

Further, a guide mandrel is arranged between the separating surface locating piece and the connecting rod, one end of the guide mandrel is connected with a semicircular end face locating plate through a bolt, and the side wall of the guide mandrel is provided with the connecting rod.

Further, the bottom of direction dabber is the cambered surface, and the top surface is the plane, the top surface of parting plane setting element and direction dabber passes through bolted connection, the opening that a plurality of equidistance distributed has been seted up to the cambered surface of direction dabber, and the cambered surface between opening and the opening forms the shaft shoulder, set up the heavy groove that supplies the connecting rod to place on the inner wall of opening, the connecting rod adopts bolted connection with the direction dabber.

Further, the parting plane positioning member and the connecting rod are at least one group.

The application method of the engine cooling spray hook assembly calibration tool is characterized by comprising the following steps of: the method comprises the following steps:

step one: the fixture is arranged on a bearing bush mounting seat of an engine body, and then a limiting block on a separating surface positioning piece is arranged in a screw hole on a separating surface of the bearing bush mounting seat, so that the fixture is mounted;

step two: installing an engine cooling spray hook at a corresponding position of an engine body, and clamping a mouth of the engine spray hook into a bayonet at the bending tail end of a connecting rod from top to bottom;

step three: and (5) fastening bolts for fixing the engine cooling spray hooks, and taking out the tool from bottom to top after checking that the installation of each engine cooling spray hook meets the requirements.

The beneficial effects achieved by the invention are as follows:

the invention provides a tool convenient for adjusting the working position of a cooling spray head of an engine, when a spray hook is installed, the mouth of the spray hook can be effectively limited at a designated position by pre-positioning and tightening a bolt, so that the tool is beneficial to spraying oil bundles onto the surface of a piston when the piston works, and the forced cooling work can be smoothly completed; the tool is convenient to use, can replace manual correction of the spray hook, improves the progress of spray hook installation, enables the spray hook to reach the predetermined installation requirement, reduces reworking times, and improves working efficiency.

[ description of the drawings ]

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a second embodiment of the present invention;

fig. 3 is a perspective view of a guide mandrel according to a second embodiment of the present invention.

Reference numerals: 1. a parting plane positioning member; 2. a limiting block; 3. a protrusion; 4. a connecting rod; 4-1, bending; 4-2, bayonet; 5. an end surface limiting plate; 6. a guide mandrel; 6-1, opening; 6-2, shaft shoulders; 6-3, sinking groove.

[ detailed description ] of the invention

The following is a detailed description of specific embodiments.

The present invention will be described in further detail with reference to the following embodiments. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.

Example 1

As shown in FIG. 1, the engine cooling spray hook assembly calibration fixture comprises a parting surface positioning piece 1, wherein a vertical downward connecting rod 4 is arranged at the bottom of the parting surface positioning piece 1, the bottom of the connecting rod 4 is bent to form a bending 4-1, a bayonet 4-1 for clamping an engine cooling spray hook is formed at the tail end of the bending 4-1, and a limiting block 2 is arranged at the bottom of the parting surface positioning piece 1.

The separating surface locating piece 1 is a rectangular metal piece and can be rectangular, at least one through hole is formed in the bottom of the separating surface locating piece, a limiting block 2 is arranged in the through hole, the through hole is a round through hole or a threaded hole, and the limiting block 2 is a limiting pin or a bolt.

The right side wall of the parting plane locating piece 1 is provided with a bulge 3, a connecting rod 4 is connected with the bottom of the bulge 3 in a bolt or welding mode, the length of the bulge 3 is determined according to the installation position of the engine cooling spray hook and the installation position of the connecting rod 4 relative to the engine cooling spray hook, and the bulge 3 can be used for adjusting the colinear degree of the bayonet 4-2 and the engine cooling spray hook.

This embodiment is for calibration use with a single engine spray hook installation.

Example 2

As shown in fig. 2 and 3, this embodiment is substantially the same as embodiment 1, except that a guide mandrel 6 is provided between the parting plane positioning member 1 and the connecting rod 4, a semicircular end face positioning plate 5 is bolted to the left end or the right end of the guide mandrel 6, the end face positioning plate 5 is mounted at the left end or the right end depending on whether the tool is used for calibrating the front three-cylinder or the rear three-cylinder engine cooling spray hook, and the connecting rod 4 is provided on the side wall of the guide mandrel 6.

The bottom of the guide mandrel 6 is an arc surface, the top surface is a plane, the separating surface locating piece 1 is connected with the top surface of the guide mandrel 6 through bolts, a plurality of equally-distributed notches 6-1 are formed in the arc surfaces of the front section and the rear section of the guide mandrel 6, a shaft shoulder 6-2 is formed in the arc surface between the transverse notch 6-1 and the notch 6-1, a sink groove 6-3 for placing the connecting rod 4 is formed in the inner wall of the notch 6-1, and the connecting rod 4 is connected with the guide mandrel 6 through bolts.

At least one group of parting plane positioning members 1 and connecting rods 4.

When three-cylinder engine cooling spray hook before the calibration, the end face locating plate 5 is fixed at the left end of the guide mandrel 6, and when three-cylinder engine cooling spray hook after the calibration, the end face locating plate 5 is fixed at the right end of the guide mandrel 6.

This embodiment may be used for calibration of more than one engine spray hook installation.

The application method of the engine cooling spray hook assembly calibration tool comprises the following steps:

firstly, placing a tool on a bearing bush mounting seat of an engine body, and then placing a limiting block 2 on a separating surface positioning piece in a screw hole on a separating surface of the bearing bush mounting seat to finish the mounting of the tool;

then the engine cooling spray hook is arranged at a corresponding position of the engine body, and the mouth of the engine spray hook is clamped into a bayonet 4-2 at the tail end of a bend 4-1 of the connecting rod 4 from top to bottom;

and finally, fastening bolts for fixing the engine cooling spray hooks, and taking out the tool from bottom to top after checking that the installation of the engine cooling spray hooks meets the requirements.

Claims (9)

1. An engine cooling spouts and colludes assembly calibration frock, its characterized in that: the connecting rod comprises a separating surface locating piece, wherein a limiting block is arranged at the bottom of the separating surface locating piece, the bottom of the connecting rod is bent to form a bending, a bayonet is formed at the tail end of the bending, and a vertical downward connecting rod is arranged at the bottom of the separating surface locating piece.

2. The engine cooling spray hook assembly calibration fixture of claim 1, wherein: the separating surface locating piece is a rectangular metal piece, a through hole is formed in the bottom of the separating surface locating piece, and a limiting block is arranged in the through hole.

3. The engine cooling spray hook assembly calibration fixture of claim 2, wherein: the through holes are round through holes or threaded holes, and the limiting blocks are limiting pins or bolts.

4. The engine cooling spray hook assembly calibration fixture of claim 3, wherein: the number of the through holes is at least one.

5. The engine cooling spray hook assembly calibration fixture of claim 1, wherein: the side wall of the separating surface locating piece is provided with a bulge, and the connecting rod bolt or the welding is arranged at the bottom of the bulge.

6. The engine cooling spray hook assembly calibration fixture of claim 4, wherein: a guide mandrel is arranged between the separating surface locating piece and the connecting rod, one end of the guide mandrel is connected with a semicircular end face locating plate through a bolt, and the side wall of the guide mandrel is provided with the connecting rod.

7. The engine cooling spray hook assembly calibration fixture of claim 6, wherein: the bottom of direction dabber is the cambered surface, and the top surface is the plane, the top surface of parting plane setting element and direction dabber passes through bolted connection, the opening that a plurality of equidistance were distributed has been seted up to the cambered surface of direction dabber, and the cambered surface between opening and the opening forms the shaft shoulder, set up the heavy groove that supplies the connecting rod to place on the inner wall of opening, the connecting rod adopts bolted connection with the direction dabber.

8. The engine cooling spray hook assembly calibration fixture of claim 7, wherein: the parting plane positioning piece and the connecting rod are at least one group.

9. The method for using the engine cooling spray hook assembly calibration fixture according to any one of claims 1-8, wherein the method comprises the following steps: the method comprises the following steps:

step one: the fixture is arranged on a bearing bush mounting seat of an engine body, and then a limiting block on a separating surface positioning piece is arranged in a screw hole on a separating surface of the bearing bush mounting seat, so that the fixture is mounted;

step two: installing an engine cooling spray hook at a corresponding position of an engine body, and clamping a mouth of the engine spray hook into a bayonet at the bending tail end of a connecting rod from top to bottom;

step three: and (5) fastening bolts for fixing the engine cooling spray hooks, and taking out the tool from bottom to top after checking that the installation of each engine cooling spray hook meets the requirements.