CN209878331U - Convenient measuring device for timing of engine - Google Patents

Abstract

The utility model discloses a convenient measuring device in engine timing, it is including being used for fixing mount, rocking arm and the meter on the organism, the middle part of rocking arm articulates on the mount, the first end of rocking arm and the bearing platform butt of injection pump gyro wheel, the second end of rocking arm is connected with the main part of meter, the gauge head of meter is fixed on the mount. The utility model discloses the first end of well rocking arm reciprocates along with the bearing platform of injection pump gyro wheel to the second end of rocking arm drives meter main part longitudinal movement, because the gauge head of meter is fixed, when the main part longitudinal movement of meter, the gauge needle of meter is flexible, consequently can measure the diesel engine in right time according to the registration of meter. The utility model discloses simple to operate is simple, need not to break off high-pressure oil pump and high pressure fuel pipe's being connected and can measure the oil spout in right time, and can measure the distribution in right time in advance when only installing high-pressure oil pump, has guaranteed assembly quality.

Description

Convenient measuring device for timing of engine

Technical Field

The utility model relates to a measuring device, especially a convenient measuring device in engine timing in the diesel engine manufacturing field.

Background

The diesel engine timing mainly comprises fuel supply timing and air distribution timing. In the existing measuring method, the measurement and adjustment of the oil supply timing are generally to judge the angle of the oil supply timing by observing the oil leakage condition of the outlet of the high-pressure oil pump, and due to the influence of individual subjective judgment of an observer, errors are easy to occur; and in order to check the timing of oil supply, it is necessary to disassemble the main parts such as the high-pressure oil pipe. The detection of the gas distribution timing can be carried out only after the whole diesel engine is assembled to parts such as a gas valve, a valve bridge, a rocker arm and the like, and the quality monitoring in the assembling process is not facilitated, particularly the quality monitoring in the assembling process when the diesel engine is maintained at a user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient measuring device in engine timing, it can convenient and fast ground quantitative measurement diesel engine timing.

The utility model provides a solution of its technical problem is: the utility model provides a convenient measuring device in engine timing, its is including being used for fixing mount, rocking arm and the gauge on the organism, the middle part of rocking arm articulates on the mount, the first end of rocking arm and the bearing platform butt of injection pump gyro wheel, the second end of rocking arm is connected with the main part of gauge, the gauge head of gauge is fixed on the mount.

As a further improvement of the above technical solution, the fixing frame includes a main body frame and a support, an upper portion of the main body frame is fixed on an outer wall of the machine body, the support is located at an outer side of the upper portion of the main body frame, and a measuring head of the measuring meter is fixed on the support.

As a further improvement of the technical scheme, the measuring instrument further comprises a positioning bolt and a nut, a first screw hole is formed in the support, the positioning bolt penetrates through the first screw hole from bottom to top and then is connected with the nut, and a measuring head of the measuring instrument is fixedly connected with the head of the positioning bolt.

As a further improvement of the technical scheme, a through hole capable of allowing a measuring needle of the measuring meter to penetrate through is formed in the second end of the rocker arm, and a shaft sleeve of the measuring meter is fixed in the through hole.

As a further improvement of the technical scheme, a crack is arranged between the through hole and the end face of the second end of the rocker arm, the through hole is communicated with the crack, second screw holes are formed in the side wall of the crack, and clamping bolts are connected to the second screw holes.

As a further improvement of the above technical solution, a butting portion is provided on the top surface of the first end of the rocker arm, and the butting portion is hemispherical.

The utility model has the advantages that: the utility model discloses the first end of well rocking arm reciprocates along with the bearing platform of injection pump gyro wheel to the second end of rocking arm drives meter main part longitudinal movement, because the gauge head of meter is fixed, when the main part longitudinal movement of meter, the gauge needle of meter is flexible, consequently can measure the diesel engine in right time according to the registration of meter. The utility model discloses simple to operate is simple, need not to break off high-pressure oil pump and high pressure fuel pipe's being connected and can measure the oil spout in right time, and can measure the distribution in right time in advance when only installing high-pressure oil pump, has guaranteed assembly quality.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a schematic view of the installation of the present invention;

FIG. 2 is an enlarged schematic view of a first end of a rocker arm of the present invention;

fig. 3 is a top view of the second end of the rocker arm of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1, the convenient measuring device for engine timing comprises a fixing frame 1, a rocker arm 2 and a measuring meter 3, wherein the fixing frame 1, the rocker arm 2 and the measuring meter 3 are used for being fixed on a machine body, the middle of the rocker arm 2 is hinged to the fixing frame 1, the first end of the rocker arm 2 is abutted to a bearing platform of an oil injection pump roller, the second end of the rocker arm 2 is connected with a main body of the measuring meter 3, and a measuring head of the measuring meter 3 is fixed on the fixing frame 1. The fixed frame 1 comprises a main body frame and a support, the upper portion of the main body frame is fixed on the outer wall of the machine body, the support is located on the outer side of the upper portion of the main body frame, and the measuring head of the measuring meter 3 is fixed on the support. Preferably, the measuring gauge 3 is a dial gauge. One end of the main body frame close to the cam shaft is provided with a hinge hole, the middle part of the rocker arm 2 is also provided with a hinge hole, and the rocker arm 2 is hinged on the hinge hole of the main body frame through a hinge shaft. The main body frame of the fixing frame 1 is fixed on the outer wall of the machine body through bolts, and the main body of the measuring meter 3 has certain weight, so that the measuring meter 3 has the tendency that the second end of the pulling rocker arm 2 moves downwards, and the first end of the rocker arm 2 can be abutted to a bearing platform of an oil injection pump roller. When the roller of the fuel injection pump moves upwards, under the action of gravity of the measuring meter 3, the first end of the rocker arm 2 swings upwards along with the rolling of the fuel injection pump, the second end of the rocker arm 2 moves downwards along with the main body of the measuring meter 3, and the indication number on the measuring meter 3 changes. When the injection pump gyro wheel moves down, the injection pump gyro wheel pushes down the first end of rocking arm 2, and the second end of rocking arm 2 resets upwards with the main part of strapping table 3. The rocker arm 2 and a measuring point of the diesel engine are arranged on an oil injection pump roller, so that oil injection timing can be tested without disconnecting the high-pressure oil pump from the high-pressure oil pipe during first assembly or user maintenance; meanwhile, in the assembling process, when parts such as a high-pressure oil pump or an air inlet and exhaust rocker are only installed, whether the air distribution timing is correct or not can be measured in advance, and the assembling quality is improved.

Further as a preferred embodiment, the measuring instrument further comprises a positioning bolt 41 and a nut 42, the bracket is provided with a first screw hole, the positioning bolt 41 penetrates through the first screw hole from bottom to top and then is connected with the nut 42, and a measuring head of the measuring instrument is fixedly connected with the head of the positioning bolt 41. Since the gauge head of the gauge 3 is fixed to the head of the positioning bolt 41, the initial indication value of the gauge 3 can be estimated and adjusted by adjusting the longitudinal position of the positioning bolt 41 on the bracket.

Further as a preferred embodiment, referring to fig. 3, a through hole 51 capable of allowing a measuring needle of the measuring gauge 3 to pass through is formed in the second end of the rocker arm 2, and a sleeve of the measuring gauge 3 is fixed in the through hole 51. A gap 52 is formed between the through hole 51 and the end face of the second end of the rocker arm 2, the through hole 51 is communicated with the gap 52, second screw holes are formed in the side walls of the gap 52, and clamping bolts 6 are connected to the second screw holes. During installation, the measuring needle of the measuring instrument 3 penetrates through the through hole 51 from bottom to top, the shaft sleeve of the measuring instrument 3 is clamped in the through hole 51, and the through hole 51 is communicated with the crack 52, so that the crack 52 can be properly opened, and the shaft sleeve is easier to be clamped in the through hole 51. The clamping bolt 6 is then passed through the second threaded hole and tightened by a nut, the gap 52 being compressed, thereby ensuring that the sleeve of the meter 3 is securely fixed in the through hole 51.

In a further preferred embodiment, referring to fig. 2, a contact portion 7 is provided on a top surface of the first end of the rocker arm 2, and the contact portion 7 has a hemispherical shape. Hemispherical butt portion 7 has guaranteed that it is line contact between with the bearing platform of injection pump gyro wheel, has improved measurement accuracy. Preferably, the abutment 7 is made of a wear-resistant material.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (6)

1. The utility model provides a convenient measuring device in engine timing which characterized in that: including mount (1), rocking arm (2) and meter (3) that are used for fixing on the organism, the middle part of rocking arm (2) articulates on mount (1), the first end of rocking arm (2) and the bearing platform butt of injection pump gyro wheel, the second end of rocking arm (2) is connected with the main part of meter (3), the gauge head of meter (3) is fixed on mount (1).

2. The convenient engine timing measurement device of claim 1, wherein: the fixed frame (1) comprises a main body frame and a support, the upper portion of the main body frame is fixed on the outer wall of the machine body, the support is located on the outer side of the upper portion of the main body frame, and a measuring head of the measuring meter (3) is fixed on the support.

3. The convenient engine timing measuring device of claim 2, wherein: the measuring instrument is characterized by further comprising a positioning bolt (41) and a nut (42), wherein a first screw hole is formed in the support, the positioning bolt (41) penetrates through the first screw hole from bottom to top and then is connected with the nut (42), and a measuring head of the measuring instrument (3) is fixedly connected with the head of the positioning bolt (41).

4. The convenient engine timing measurement device of claim 1, wherein: and a through hole (51) capable of allowing a measuring needle of the measuring meter (3) to penetrate through is formed in the second end of the rocker arm (2), and a shaft sleeve of the measuring meter (3) is fixed in the through hole (51).

5. The convenient engine timing measurement device of claim 4, wherein: be equipped with crack (52) between through-hole (51) and the terminal surface of rocking arm (2) second end, through-hole (51) and crack (52) intercommunication, all be equipped with the second screw on the lateral wall of crack (52), be connected with clamping bolt (6) on the second screw.

6. The convenient engine timing measurement device of claim 1, wherein: and the top surface of the first end of the rocker arm (2) is provided with a butting part (7), and the butting part (7) is hemispherical.