CN211262624U

CN211262624U - Air tightness detection device for cylinder piston

Info

Publication number: CN211262624U
Application number: CN201922346441.8U
Authority: CN
Inventors: 谢中清
Original assignee: Hangzhou Saturn Power Technology Co ltd
Current assignee: Hangzhou Saturn Power Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-14
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a cylinder piston gas tightness detection device, including the bottom plate, the equal fixedly connected with fixed plate in both ends at bottom plate top, the mounting panel of the outside fixedly connected with "L" type structure of one of them fixed plate, the top fixed mounting of mounting panel has servo motor, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, the operation is simple and convenient, therefore, the clothes hanger is strong in practicability, through the pinch-off blades who sets up "L" type structure, it is fixed to carry out the centre gripping with engine cylinder, then be connected through the piston rod group with the cylinder with corresponding, and be connected piston rod group and bent axle, block up the gas outlet of cylinder simultaneously, then aerify the pressure boost through the breather pipe between cylinder and the piston, then rotate through the bent axle, drive a stroke of piston rod group operation, observe the inside pressure variation condition of cylinder, thereby can confirm the gas tightness between cylinder and the piston rod group.

Description

Air tightness detection device for cylinder piston

Technical Field

The utility model relates to an air tightness detection device, in particular to cylinder piston air tightness detection device belongs to the gas tightness and detects technical field.

Background

In the existing life, the cylinder and the piston are heart parts with higher working strength in the engine, when in work, the piston reciprocates in the cylinder under the action of fuel gas, the crankshaft is driven by the connecting rod to move to provide power, the gas is leaked to the cooling cavity by the leakage of the piston and the cylinder, the pressure intensity of a combustion chamber is reduced, thereby reducing the power of the internal combustion engine, the gas entering the cooling oil cavity can bring the oil out of the cooling cavity to pollute the cylinder body, another possibility is that the oil in the cooling cavity enters the combustion chamber through a leakage path, which affects the discharge index, and the cylinder head falls off with a catastrophic result due to an excessive leakage amount, therefore, the air tightness detection of the cylinder and the piston is particularly important, but most of the existing air tightness detection devices can only detect the air tightness of the cylinder or the piston independently, and cannot detect the connection air tightness between the cylinder and the piston, so that the air tightness detection of the cylinder and the piston is not perfect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a cylinder piston gas tightness detection device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a cylinder piston airtightness detection device, which comprises a bottom plate, wherein both ends of the top of the bottom plate are fixedly connected with fixed plates, one of the fixed plates is fixedly connected with a mounting plate with an L-shaped structure, the top of the mounting plate is fixedly provided with a servo motor, one side between the two fixed plates and positioned on the servo motor is rotationally connected with a crankshaft, an output shaft of the servo motor penetrates through the corresponding fixed plate and is fixedly connected with the crankshaft, the inner part of the fixed plate and positioned above the crankshaft are all in threaded connection with an adjusting screw rod, one end of the adjusting screw rod close to the crankshaft is all rotationally connected with a clamping plate with an L-shaped structure, one side of the top of the clamping plate close to the fixed plate is all fixedly connected with a limiting rod, one of the fixed plates is fixedly arranged on the outer side of the, the equal sliding connection in top in the fixed plate outside has the slider, two fixedly connected with diaphragm between the slider, the top equidistance of diaphragm is dug has a plurality of air vent, the top of diaphragm and the equal fixedly connected with breather pipe in the outside that is located the air vent, two fixedly connected with roof between the top of fixed plate, the equal fixed mounting in both ends at roof top has electric telescopic handle, electric telescopic handle's piston rod all runs through the top fixed connection of roof and diaphragm.

As a preferred scheme of the utility model, the supporting pad of the equal fixedly connected with rectangle structure in both ends of bottom plate bottom.

As an optimized scheme of the utility model, the bottom fixedly connected with reinforcing plate of mounting panel, just constitute the triangle-shaped structure between reinforcing plate and the mounting panel.

As an optimized scheme of the utility model, clamping plate keeps away from the equal fixedly connected with rubber pad of one side of adjusting screw.

As a preferred scheme of the utility model, the gag lever post all runs through corresponding fixed plate and fixedly connected with baffle, the gag lever post all with corresponding fixed plate sliding connection.

As an optimized scheme of the utility model, the bottom of diaphragm just is located the equal fixedly connected with sealing washer in the outside of air vent.

As an optimized scheme of the utility model, servo motor, electric telescopic handle's air supply control box all with control panel electric connection.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, the operation is simple and convenient, therefore, the clothes hanger is strong in practicability, through the pinch-off blades who sets up "L" type structure, it is fixed to carry out the centre gripping with engine cylinder, then be connected through the piston rod group with the cylinder with corresponding, and be connected piston rod group and bent axle, block up the gas outlet of cylinder simultaneously, then aerify the pressure boost through the breather pipe between cylinder and the piston, then rotate through the bent axle, drive a stroke of piston rod group operation, observe the inside pressure variation condition of cylinder, thereby can confirm the gas tightness between cylinder and the piston rod group.

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 embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a base plate; 2. a support pad; 3. a fixing plate; 4. mounting a plate; 5. a reinforcing plate; 6. a servo motor; 7. a crankshaft; 8. a control panel; 9. adjusting the screw rod; 10. a clamping plate; 11. a rubber pad; 12. a limiting rod; 13. a baffle plate; 14. a slider; 15. a transverse plate; 16. a vent hole; 17. a seal ring; 18. a breather pipe; 19. a top plate; 20. an electric telescopic rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a cylinder piston airtightness detection device, which comprises a bottom plate 1, wherein both ends of the top of the bottom plate 1 are fixedly connected with a fixing plate 3, the outer side of one fixing plate 3 is fixedly connected with an installation plate 4 with an "L" type structure, and the top of the installation plate 4 is fixedly provided with a servo motor 6, so that the rotation speed can be adjusted better; a crankshaft 7 is rotatably connected between the two fixing plates 3 and on one side of the servo motor 6, an output shaft of the servo motor 6 penetrates through the corresponding fixing plate 3 and is fixedly connected with the crankshaft 7, adjusting screws 9 are respectively in threaded connection inside the fixing plates 3 and above the crankshaft 7, one ends of the adjusting screws 9 close to the crankshaft 7 are respectively rotatably connected with clamping plates 10 of an L-shaped structure, and the clamping plates 10 are conveniently and better driven to move through the adjusting screws 9; the top of the clamping plate 10 is fixedly connected with a limiting rod 12 on one side close to the fixed plates 3, a control panel 8 is fixedly arranged on the outer side of one fixed plate 3 and between the adjusting screw 9 and the crankshaft 7, the top of the outer side of the fixed plate 3 is slidably connected with sliders 14, a transverse plate 15 is fixedly connected between the two sliders 14, a plurality of vent holes 16 are cut in the top of the transverse plate 15 at equal intervals, vent pipes 18 are fixedly connected to the top of the transverse plate 15 and the outer sides of the vent holes 16, and therefore better ventilation is facilitated; fixedly connected with roof 19 between the top of two fixed plates 3, the equal fixed mounting in both ends at roof 19 top has electric telescopic handle 20, and electric telescopic handle 20's piston rod all runs through roof 19 and diaphragm 15's top fixed connection, is convenient for better drive diaphragm 15 through electric telescopic handle 20 and carries out position control from top to bottom.

Further, the supporting pads 2 of the rectangular structures are fixedly connected to the two ends of the bottom plate 1, so that the whole equipment can be stably placed better.

Further, the bottom fixedly connected with reinforcing plate 5 of mounting panel 4, and constitute the triangle-shaped structure between reinforcing plate 5 and the mounting panel 4, be convenient for better increase mounting panel 4's installation stability to avoid influencing installation stability because of the vibrations that servo motor 6 work brought.

Furthermore, the clamping plate 10 is far away from one side of the adjusting screw rod 9 and is fixedly connected with a rubber pad 11, so that the cylinder is protected better.

Further, gag lever post 12 all runs through corresponding fixed plate 3 and fixedly connected with baffle 13, and gag lever post 12 all with corresponding fixed plate 3 sliding connection, be convenient for better carry on spacingly to clamp plate 10, prevent that it from following adjusting screw 9's rotation and rotating.

Furthermore, the bottom of the transverse plate 15 and the outer side of the vent hole 16 are fixedly connected with a sealing ring 17, so that the air inlet can be better ensured in sealing.

Further, the air source control boxes of the servo motor 6 and the electric telescopic rod 20 are electrically connected with the control panel 8, so that the whole equipment can be better controlled.

Specifically, the device is placed at a designated position through a supporting pad 2, then a cylinder to be detected is connected with a piston connecting rod group, then the cylinder is placed between two clamping plates 10, an adjusting screw 9 is screwed to drive the clamping plates 10 to move, meanwhile, the clamping plates 10 cannot rotate under the action of a limiting rod 12, so that the cylinder is better clamped and fixed, then a piston rod is connected with the corresponding crankshaft 7 part through a connecting rod bearing bush and a connecting rod cover of the piston connecting rod group, air outlet holes in the cylinder are all blocked, then the device is electrified, an electric telescopic rod 20 is controlled to work through a control panel 8, a transverse plate 15 and a sliding block 14 are pushed to move outside a fixed plate 3, so that a sealing ring 17 is positioned outside an air inlet of the cylinder, and an air vent 16 is communicated with the air inlet of the cylinder, then, the inside of the cylinder is inflated and pressurized through the vent pipe 18, the pressure inside the pressurized cylinder is recorded, the vent pipe 18 is closed, then the servo motor 6 is controlled to work through the control panel 8, the crankshaft 7 is driven to rotate, the piston is driven to rotate for a stroke through transmission between the servo motor and the piston connecting rod set, the servo motor 6 is controlled to stop working, then the pressure inside the cylinder is measured again, and the air tightness between the cylinder and the piston connecting rod set can be judged through the change situation of the pressure inside the cylinder.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The air tightness detection device for the cylinder piston comprises a bottom plate (1) and is characterized in that fixed plates (3) are fixedly connected to the two ends of the top of the bottom plate (1), one of the fixed plates (3) is fixedly connected with a mounting plate (4) of an L-shaped structure, a servo motor (6) is fixedly mounted at the top of the mounting plate (4), a crankshaft (7) is rotatably connected to one side, located between the fixed plates (3) and located on the servo motor (6), of the fixed plate, an output shaft of the servo motor (6) penetrates through the corresponding fixed plate (3) and is fixedly connected with the crankshaft (7), adjusting screws (9) are threadedly connected to the inner portions of the fixed plates (3) and located above the crankshaft (7), one ends, close to the crankshaft (7), of the adjusting screws (9) are rotatably connected with clamping plates (10) of the L-shaped structure, one side of the top of the clamping plate (10) close to the fixed plate (3) is fixedly connected with a limiting rod (12), a control panel (8) is fixedly arranged at the outer side of one of the fixed plates (3) and between the adjusting screw rod (9) and the crankshaft (7), the tops of the outer sides of the fixed plates (3) are both connected with sliding blocks (14) in a sliding way, a transverse plate (15) is fixedly connected between the two sliding blocks (14), a plurality of vent holes (16) are drilled at the top of the transverse plate (15) at equal intervals, the top of the transverse plate (15) and the outer side of the vent hole (16) are fixedly connected with vent pipes (18), a top plate (19) is fixedly connected between the tops of the two fixing plates (3), both ends of the top plate (19) are fixedly provided with electric telescopic rods (20), and piston rods of the electric telescopic rods (20) penetrate through the top plate (19) and are fixedly connected with the top of the transverse plate (15).

2. The device for detecting the airtightness of the piston of the cylinder according to claim 1, wherein the supporting pads (2) having a rectangular structure are fixedly connected to both ends of the bottom of the base plate (1).

3. The device for detecting the airtightness of the cylinder piston according to claim 1, wherein a reinforcing plate (5) is fixedly connected to the bottom of the mounting plate (4), and a triangular structure is formed between the reinforcing plate (5) and the mounting plate (4).

4. The device for detecting the airtightness of the cylinder piston according to claim 1, wherein a rubber gasket (11) is fixedly connected to each side of the clamping plate (10) away from the adjusting screw (9).

5. The device for detecting the airtightness of the cylinder piston according to claim 1, wherein the limiting rods (12) penetrate through the corresponding fixing plates (3) and are fixedly connected with the baffle plates (13), and the limiting rods (12) are slidably connected with the corresponding fixing plates (3).

6. The device for detecting the airtightness of the cylinder piston according to claim 1, wherein a sealing ring (17) is fixedly connected to the bottom of the transverse plate (15) and outside the vent hole (16).

7. The air tightness detection device for the cylinder piston according to claim 1, wherein the servo motor (6) and the air source control box of the electric telescopic rod (20) are electrically connected with the control panel (8).