CN218239327U

CN218239327U - Engine test jig

Info

Publication number: CN218239327U
Application number: CN202222537784.4U
Authority: CN
Inventors: 李涛; 刘睿; 张旭; 赵刚; 孙楠; 包洪泽; 石佳慧; 马驰
Original assignee: Auris Intelligent Technology Tianjin Co ltd; Aoris Intelligent Technology Fuxin Co ltd
Current assignee: Auris Intelligent Technology Tianjin Co ltd; Aoris Intelligent Technology Fuxin Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-06
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an engine test jig, which comprises a test jig body, wherein an engine fixing plate for fixing an engine and a CDI igniter connected with spark plugs on two sides of a cylinder of the engine are arranged on a platform on the uppermost layer of the test jig body; the middle part of the test frame body is rotatably connected with a starter bracket, and a starter which is connected with a starting head of an engine and used for starting the engine is arranged on the starter bracket; an accelerator steering gear is mounted on the engine mounting plate and connected with a throttle valve rocker arm on the engine through a steering gear connecting rod for adjusting the size of an accelerator of the engine. The utility model discloses an engine test jig has solved the problem that needs test engine on the fuselage, moreover the utility model discloses can test multiple model engine, application scope is wide.

Description

Engine test frame

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle equipment, especially, relate to an engine test jig.

Background

The engine is as unmanned aerial vehicle's important component, before using, need carry out the performance survey, so a simple and convenient and suitability strong test jig of a section just seems very important.

When examining the unmanned aerial vehicle engine, most of them are through fixing the engine and detecting on unmanned aerial vehicle, not only need be with the help of the instrument, and is comparatively troublesome moreover, uses for a long time, probably causes the damage of other accessories of unmanned aerial vehicle to lead to unmanned aerial vehicle to use, try on unmanned aerial vehicle, do not need fixed detection platform. And unmanned aerial vehicle's engine model is fixed to lead to detecting the engine of a model only, the suitability is less.

SUMMERY OF THE UTILITY MODEL

Based on the not enough of above prior art, the utility model provides an engine test jig, the fixed platform that examines has, and the suitability is strong, can detect the engine of the different models of many models.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes: the utility model provides an engine test jig, which comprises a test jig body, wherein an engine fixing plate for fixing an engine and a CDI igniter connected with spark plugs on two sides of a cylinder of the engine are arranged on a platform on the uppermost layer of the test jig body; the middle part of the test frame body is rotatably connected with a starter bracket, and a starter which is connected with a starting head of an engine and used for starting the engine is arranged on the starter bracket; an accelerator steering gear is mounted on the engine mounting plate and connected with a throttle valve rocker arm on the engine through a steering gear connecting rod for adjusting the size of an accelerator of the engine.

Further, the starter bracket comprises two strip-shaped frames which are rotatably connected to one side of the middle of the test frame body and are arranged in parallel, and a U-shaped frame which is connected with the two strip-shaped frames in a sliding mode along the length direction of the strip-shaped frames, and the starter is fixed on the U-shaped frame through a starter fixing screw.

Furthermore, a strip-shaped groove extending along the length direction of the strip-shaped frame is formed in the strip-shaped frame, positioning holes corresponding to the strip-shaped groove are formed in two parallel supports of the U-shaped frame, and a starter support adjusting screw penetrates through the strip-shaped groove and the positioning holes to enable the U-shaped frame and the strip-shaped frame to be in sliding connection and fixedly connect the U-shaped frame and the strip-shaped frame.

Optionally, the starter includes a starting rod connected to the groove of the head of the starting head, and a starting rod gear is mounted on the starting rod and meshed with and driven by the starter gear to rotate.

Furthermore, an oil tank is arranged in the middle of the test frame body, and an oil inlet pipe of the oil tank is connected with an engine oil inlet of the engine; the tank has a tank vent line for venting gas from within the tank.

Further, an LED tachometer for monitoring the rotating speed of the engine in real time is further installed on the platform on the uppermost layer of the test frame body.

By the above, the utility model adjusts the height of the starter through the starter bracket consisting of the U-shaped frame and the two parallel strip-shaped frames, so as to align the starting rod to the starting heads of different types of engines, which is convenient for starting the engines; the throttle steering engine arranged on the engine mounting plate drives the steering engine connecting rod to adjust the opening and closing size of the throttle, so that the size of the throttle is adjusted, and the rotating speed of the engine is monitored in real time through the tachometer. The utility model discloses an engine test jig has solved the problem that needs test engine on the fuselage, moreover the utility model discloses can test multiple model engine, application scope is wide.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

Fig. 1 is one of the schematic structural diagrams of the engine testing jig of the present invention;

fig. 2 is a second schematic structural view of the engine testing jig of the present invention;

fig. 3 is a third schematic structural view of the engine testing jig of the present invention;

FIG. 4 is a schematic structural diagram of an engine testing jig (without an engine) according to the present invention;

fig. 5 is one of the schematic structural diagrams of the connection between the engine and the starter of the present invention;

fig. 6 is a second schematic structural view of the connection between the engine and the starter of the present invention;

fig. 7 is a schematic structural view of throttle adjustment of the engine of the present invention;

fig. 8 is a schematic structural diagram of the starting head of the present invention.

Reference numerals are as follows: 1-engine, 2-starter, 3-CDI igniter, 4-LED tachometer, 5-receiver, 6-engine fixing plate, 7-shock absorption rubber column, 8-engine mounting plate, 9-oil tank, 10-battery, 11, 12-battery terminal, 13-propeller, 14-starting head, 15, 16-starter terminal, 17, 18-spark plug, 19-accelerator steering engine, 20-steering engine connecting rod, 21, 22, 23, 24-starter bracket adjusting screw, 25, 26-starter bracket fixing screw, 27-starter bracket, 28, 29-starter fixing screw, 30-starting rod, 31-starter switch, 32-starting rod gear, 33-starter gear, 34-oil inlet pipe, 35-engine oil inlet, 36-oil tank exhaust pipe, 37-throttle valve, 38-throttle valve connecting rod, 39-throttle valve rocker arm and 40-valve chamber.

Detailed Description

Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, illustrating by way of example the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.

It should be noted that all directional indicators (such as up, down, outer, inner, front and rear \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 8, the utility model discloses an engine test jig includes the test support body, installs the engine fixed plate 6 that is used for fixed engine 1 on the platform of test support body the superiors, with the CDI point firearm 3 that

spark plug

17, 18 on the cylinder both sides of engine 1 are connected, engine fixed plate 6 is fixed with the cushion gum post 7 for fixed engine 1 is fixed at engine mounting panel 8 on the cushion gum post 7.

The middle part of the test frame body is rotatably connected with a starter bracket 27, and a starter 2 which is connected with a starting head 14 of the engine 1 and used for starting the engine 1 is arranged on the starter bracket 27. Wherein, starter bracket 27 includes two parallel arrangement's that rotate to connect in the middle part one side of the test rack body through starter bracket set

screw

25, 26 strip frame, along the length direction of strip frame with two strip frame sliding connection's U type frame, starter 2 is fixed on the crossbearer of U type frame through

starter set screw

28, 29. Wherein, be formed with the bar groove that extends along its length direction on the bar frame, have the locating hole corresponding with the bar groove on two parallel support of U type frame, starter

bracket adjusting screw

21, 22, 23, 24 pass bar groove and locating hole with U type frame and bar frame sliding connection and with both fixed connection.

The starter 2 comprises a starting rod 30 connected with a groove at the head of the starting head 14, a starting rod gear 32 is arranged on the starting rod 30, and the starting rod gear 32 is meshed with the starter gear 33 and is driven by the starter gear 33 to rotate.

An accelerator steering gear 19 is mounted on the engine mounting plate 8, and the accelerator steering gear 19 is connected with a throttle valve rocker arm 39 on the engine 1 through a steering gear connecting rod 20 and used for adjusting the size of an accelerator of the engine 1. An oil tank 9 is arranged in the middle of the testing frame body, a storage battery 10 is arranged on one side of the testing frame body, an LED tachometer 4 and a receiver 5 are fixed on a platform on the uppermost layer of the testing frame body, when an engine is tested, the engine 1 is fixed on an engine mounting plate 8, an accelerator steering gear 19 is fixed on the engine mounting plate 8, a throttle rocker arm 39 on the engine 1 is connected with the accelerator steering gear 19 through a steering gear connecting rod 20, one side of the steering gear connecting rod 20 is connected with a rocker arm on the accelerator steering gear 19 through screws, and a ball head on the other side of the steering gear connecting rod 20 is connected with the throttle rocker arm 39 through screws. The throttle rocker arm 39 is fixed to the top end of the throttle link 38 by screws, and the other side of the throttle link 38 penetrates into the valve chamber 40, and the throttle valve 37 and the throttle link 38 are connected together by screws.

An engine mounting plate 8 provided with an engine 1 is fixed on the shock absorption rubber column 7, a propeller 13 is mounted on the engine 1, a starting head 14 is placed on the propeller 13, a hole position on the starting head 14 is aligned with a hole position on the propeller 13 and is fixed by 5 screws, and the structure of the starting head 14 is shown in figure 8. The CDI igniter 3 is connected with

spark plugs

17 and 18 on the left side and the right side of an engine cylinder, the CDI igniter 3 is used for supplying power to the

spark plugs

17 and 18, the spark plugs are used for igniting, sparks are generated after the spark plugs are ignited, then gasoline in the engine cylinder is ignited, finally the engine is driven to provide power for the unmanned aerial vehicle, and

starter binding posts

15 and 16 are connected with storage

battery binding posts

11 and 12.

The oil tank 9 is filled with oil through an oil pump, the oil inlet pipe 34 is connected with the engine oil inlet 35, the oil tank exhaust pipe 36 exhausts gas in the oil tank 9, then the position of the starter 2 is adjusted through adjusting the starter adjusting

screws

21, 22, 23 and 24, the transverse bolt inserted into the head of the starter rod 30 is aligned to the groove position of the head of the starter head 14, the starter 2 is fixed through the

starter fixing screws

28 and 29, the starter switch 31 is pressed for a long time, and the starter gear 33 is popped outwards to be meshed with the starter rod gear 32 for rotation. The utility model discloses a starter adopts current model jiedawang 05-09, and engine 1 starts, loosens starter switch 31. After the engine 1 is started, the remote controller is in communication connection with the receiver 5, the receiver 5 receives signals sent by the remote controller and transmits the signals to the accelerator steering engine 19 to adjust the size of an accelerator of the engine 1, and the LED tachometer 4 can monitor the rotating speed condition of the engine 1 in real time. The utility model discloses the engine of example adopts the DLE170 type, tests other model engines, only needs to fix the engine on engine mounting panel 8, through the height of adjusting starter bracket 27, with actuating lever 30 aim at the start-up head 14 can.

The utility model discloses a concrete test flow: the starting rod 30 is aligned with the starting head 14, the engine 1 is started by pressing the starting machine switch 31, the CDI igniter 3 supplies power to the

spark plugs

17 and 18, the

spark plugs

17 and 18 are ignited to generate sparks, gasoline in an engine cylinder is ignited, the engine is driven to provide power for the airplane, the remote controller is in communication connection with the receiver 5 and transmits signals for adjusting the size of the throttle valve to the throttle steering engine 19, and the throttle steering engine 19 rotates the rocker arm to drive the steering engine connecting rod 20 to adjust the opening and closing size of the throttle valve 37. The test jig is mainly used for testing whether the engine is in a problem during starting, the throttle is adjusted smoothly enough after normal starting, the maximum rotating speed of the engine is tested, and whether the engine can be normally stopped or not is tested.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The utility model provides an engine test jig, includes the test support body, its characterized in that: an engine fixing plate (6) for fixing an engine (1) and a CDI igniter (3) connected with spark plugs (17 and 18) on two sides of a cylinder of the engine (1) are mounted on a platform on the uppermost layer of the test frame body, and a shock absorption rubber column (7) is fixed on the engine fixing plate (6) and used for fixing the engine (1) on an engine mounting plate (8) and is fixed on the shock absorption rubber column (7);

the middle part of the test frame body is rotatably connected with a starter bracket (27), and a starter (2) which is connected with a starting head (14) of the engine (1) and used for starting the engine (1) is arranged on the starter bracket (27);

an accelerator steering gear (19) is mounted on the engine mounting plate (8), and the accelerator steering gear (19) is connected with a throttle valve rocker arm (39) on the engine (1) through a steering gear connecting rod (20) and used for adjusting the size of an accelerator of the engine (1).

2. The engine test jig according to claim 1, wherein the starter bracket (27) comprises two parallel bars rotatably connected to one side of the middle portion of the test jig body, and a U-shaped frame slidably connected to the two bars in the length direction of the bars, and the starter (2) is fixed to the U-shaped frame by starter fixing screws (28, 29).

3. The engine test jig according to claim 2, wherein the strip frame is formed with a strip groove extending along a length direction thereof, the two parallel brackets of the U-shaped frame are provided with positioning holes corresponding to the strip groove, and starter bracket adjustment screws (21, 22, 23, 24) pass through the strip groove and the positioning holes to slidably connect the U-shaped frame and the strip frame and fixedly connect the two.

4. The engine test jig of claim 1, wherein the starter (2) comprises a starter lever (30) connected with a groove at the head of the starter head (14), a starter lever gear (32) is mounted on the starter lever (30), and the starter lever gear (32) is engaged with a starter gear (33) and is driven by the starter gear (33) to rotate.

5. The engine test jig as claimed in claim 1, characterized in that an oil tank (9) is placed in the middle of the test jig body, and an oil inlet pipe (34) of the oil tank (9) is connected with an engine oil inlet (35) of the engine (1); the fuel tank (9) has a tank vent pipe (36) for discharging gas in the fuel tank (9).

6. The engine test jig of claim 1, wherein the platform at the uppermost layer of the test jig body is further provided with an LED tachometer (4) for monitoring the rotating speed of the engine (1) in real time.