CN218110342U

CN218110342U - Electric grinding device for diesel engine air valve

Info

Publication number: CN218110342U
Application number: CN202222623830.2U
Authority: CN
Inventors: 吕毅民; 李华; 张冬; 胡柱; 苏春锦; 穆培坚
Original assignee: FUJIAN BAIMA SHIPYARD
Current assignee: FUJIAN BAIMA SHIPYARD
Priority date: 2022-10-03
Filing date: 2022-10-03
Publication date: 2022-12-23
Anticipated expiration: 2032-10-03

Abstract

The utility model discloses an electronic grinder of diesel engine pneumatic valve, comprising a base plate, the both sides at bottom plate top all are fixed with the backup pad, the top of backup pad is fixed with the roof, the top of roof is installed and is ground the seat, the inside of grinding the seat is equipped with a plurality of valve rod and perforates, the inside valve rod perforation top of grinding the seat is equipped with the disk seat and grinds the mouth, be equipped with the fly leaf between the backup pad, just the corresponding one side of backup pad all is equipped with the notch, the notch internal fixation of the corresponding one side of backup pad has the slide bar, the movable sleeve has been cup jointed in the outside slip of slide bar, the outside of movable sleeve all with the both sides fixed connection of fly leaf, and the below of fly leaf is connected with the roller through the motor rotation, the outside upper and lower both ends activity of roller is equipped with a plurality of gyro wheel. This electronic grinder of diesel engine pneumatic valve can realize carrying out the function of grinding to a plurality of pneumatic valves simultaneously to reduce staff's intensity of labour, effectual improvement work efficiency.

Description

Electric grinding device for diesel engine air valve

Technical Field

The utility model relates to a diesel engine pneumatic valve technical field specifically is diesel engine pneumatic valve electric grinder.

Background

When the diesel engine works, the air inlet valve seat and the air outlet valve seat are in a high-temperature and high-pressure severe environment and are also subjected to impact load of the air valve, so that alternating mechanical stress and deformation are generated, the contact surfaces of the air valve and the valve seat are caused to generate relative displacement, and meanwhile, the surfaces of the air valve and the valve seat can also generate defects such as abrasion, pockmarks, dents, cracks and the like, and the defects destroy the sealing property of the air valve and the valve seat and influence the normal operation of the diesel engine. Therefore, when a large diesel engine is overhauled, the repair of the air inlet valve, the air outlet valve and the valve seat is very important work.

At present, a grinding mode is usually adopted when the diesel engine air valve is repaired, most of the existing diesel engine air valve grinding devices can only work on a single air valve and cannot grind a plurality of air valves at the same time, so that the working intensity of workers is high, and the working efficiency of grinding the air valves is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic grinder of diesel engine pneumatic valve to solve the present diesel engine pneumatic valve grinder that above-mentioned background art provided most and only can carry out the operation to single pneumatic valve, can not realize carrying out the problem of grinding to a plurality of pneumatic valves simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the electric grinding device for the diesel engine air valve comprises a base plate, supporting plates are fixed on two sides of the top of the base plate, a top plate is fixed at the top of the supporting plate, a grinding seat is installed at the top of the top plate, a plurality of valve rod through holes are formed in the grinding seat, a valve seat grinding port is formed in the top of the valve rod through holes in the grinding seat, a movable plate is arranged between the supporting plates, a plurality of jacks are formed in the movable plate, notches are formed in one side, corresponding to the supporting plate, of the movable plate, a sliding rod is fixed in each notch, a movable sleeve is sleeved outside the sliding rod in a sliding mode, the outer side of each movable sleeve is fixedly connected with two sides of the corresponding movable plate, a roller shaft is connected to the lower portion of the movable plate through rotation of a motor, and a plurality of idler wheels are movably arranged at the upper end and the lower end of the roller shaft.

Preferably, the outer portion of the upper end of the sliding rod is sleeved with a spring, and two ends of the spring are respectively connected with the top inner wall of the notch of the supporting plate and the top of the movable sleeve.

Preferably, a pressing block is fixed at one end of the roller connected with the roller shaft, and a plurality of sleeve seats matched with the pressing block in structure are arranged outside the roller shaft.

Preferably, the sleeve seat is internally provided with an elastic pad, and the pressing block extends into the sleeve seat and is in abutting contact with the elastic pad.

Preferably, the insertion holes correspond to the valve rod penetrating positions in the grinding seat one by one, and fastening rings are fixedly bonded on the inner walls of the insertion holes.

Preferably, the rollers are distributed on the surface of the roller shaft at equal intervals, and the outer ends of the rollers are in rolling contact with the bottom of the movable plate.

Compared with the prior art, the beneficial effects of the utility model are that: the electric grinding device for the diesel engine air valve can simultaneously realize the grinding function of a plurality of air valves so as to reduce the labor intensity of workers and effectively improve the working efficiency. The device is through respectively alternate the pneumatic valve that will grind in grinding the inside a plurality of valve rod perforation of seat to make the valve rod bottom mounting of pneumatic valve in the inside of fly leaf, when the roller drives the rotatory circulation of a plurality of gyro wheel and supports the bottom of pressing the fly leaf, can slide about messenger's valve rod through going up and down between the backup pad after the fly leaf atress and grind the effect, grind the function of operation with this realization a plurality of pneumatic valves simultaneously, the effectual speed when accelerating the pneumatic valve and grind.

Drawings

FIG. 1 is a schematic view of the structure of the electric grinding device for the gas valve of the diesel engine of the present invention;

FIG. 2 is a schematic view of the connection structure between the movable plate and the support plate of the electric grinding device for the diesel engine air valve of the present invention;

FIG. 3 is a schematic view of the connecting structure of the roller and the roller of the electric grinding device for the air valve of the diesel engine of the present invention;

fig. 4 is the schematic diagram of the internal structure of the movable plate of the electric grinding device for the air valve of the diesel engine of the present invention.

In the figure: 1. a base plate; 2. grinding the opening; 3. a grinding seat; 4. a top plate; 5. a support plate; 6. a movable plate; 7. a jack; 8. a roll shaft; 9. a roller; 10. a spring; 11. a movable sleeve; 12. a slide bar; 13. briquetting; 14. a sleeve seat; 15. an elastic pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electric grinding device for a diesel engine air valve comprises a base plate 1, wherein supporting plates 5 are fixedly welded on two sides of the top of the base plate 1, a top plate 4 is fixedly welded on the top of the supporting plate 5, a grinding seat 3 is installed on the top of the top plate 4 through bolts, a plurality of valve rod through holes are formed in the grinding seat 3, through holes corresponding to the valve rod through holes of the grinding seat 3 are formed in the top of the top plate 4, a valve seat grinding port 2 is formed in the top of the valve rod through hole in the grinding seat 3, movable plates 6 are arranged between the supporting plates 5, a plurality of jacks 7 are formed in the movable plates 6, notches are formed in one sides corresponding to the supporting plates 5, sliding rods 12 are fixed in the notches in one sides corresponding to the supporting plates 5, movable sleeves 11 are sleeved on the outer portions of the sliding rods 12 in a sliding mode, the outer sides of the movable sleeves 11 are fixedly welded on two sides of the movable plates 6, and a roller shaft 8 is connected below the movable plates 6 through rotation of a motor, the two ends of the roller shaft 8 are connected with the inner side of the supporting plate 5 through rotating shafts, a plurality of rollers 9 are movably arranged at the upper end and the lower end outside the roller shaft 8, the grinding seat 3 with the structure can respectively penetrate air valves to be ground into valve rod through holes inside the grinding seat, the bottom ends of the valve rods of the air valves are embedded into a plurality of insertion holes 7 inside the movable plate 6 for fixing, when the roller shaft 8 is driven by a motor to rotate, the rollers 9 are driven to circularly abut against the bottom of the movable plate 6, the movable plate 6 can be lifted along the external sliding of the sliding rod 12 through the movable sleeve 11 under the abutting force, when the movable plate 6 is lifted, the valve rods inside the grinding seat 3 can be driven to vertically slide, so that the valve seat and the valve seat grinding port 2 are orderly in friction contact, the device can simultaneously realize the grinding function of the air valves, and the trouble that a worker grinds the air valves one by one, further effectively improving the working efficiency, the spring 10 is sleeved outside the upper end of the sliding rod 12, and two ends of the spring 10 are respectively connected with the top inner wall of the notch of the supporting plate 5 and the top of the movable sleeve 11, the movable sleeve 11 of the structure can synchronously extrude the spring 10 when sliding upwards along the outside of the sliding rod 12, this enables the mobile plate 6 to be rapidly reset under the action of the spring 10 when not under the thrust of the roller 9, thereby enabling the movable plate 6 to drive the valve rod to slide up and down in order to carry out grinding operation, one end of the roller 9 connected with the roller shaft 8 is fixedly welded with a pressing block 13, and the outer part of the roll shaft 8 is provided with a plurality of sleeve seats 14 which are matched with the pressing blocks 13 in structure, the inner part of each sleeve seat 14 is provided with an elastic cushion 15, and the pressing block 13 extends into the interior of the sleeve seat 14 and is pressed and contacted with the elastic cushion 15, when the roller 9 of the structure contacts the bottom of the movable plate 6, the pressing block 13 is synchronously driven to move in the interior of the sleeve seat 14 and extrude the elastic cushion 15, this enables the roller 9 to be flexibly brought into contact with the movable plate 6 by the force of the elastic pad 15, so as to improve the smoothness when the roller 9 is in rolling contact with the bottom of the movable plate 6, the jacks 7 correspond to the valve rod through holes in the grinding seat 3 one by one, and the inner walls of the jacks 7 are fixedly bonded with fastening rings, the fastening ring is made of rubber, the fastening ring on the inner wall of the insertion hole 7 of the structure can improve the stability of the bottom end of the valve rod of the air valve fixed on the movable plate 6 and ensure the normal grinding operation of the air valve, the rollers 9 are distributed on the surface of the roller shaft 8 at equal intervals, and the outer end of the roller 9 is in rolling contact with the bottom of the movable plate 6, and the roller shaft 8 with the structure can more uniformly press against the movable plate 6 through the roller 9, so that the movable plate 6 is better in horizontality when lifted.

The working principle is as follows: when using this electronic grinder of diesel engine pneumatic valve, at first the pneumatic valve that will grind alternates in the valve rod perforation of grinding seat 3 inside respectively, pass roof 4 when the valve rod lower extreme of pneumatic valve and imbed in a plurality of jack 7 of fly leaf 6 inside one by one again, the tight loop on the jack 7 inner wall can be fixed to the valve rod bottom of pneumatic valve, then start the motor of 5 outside one sides of backup pad, can drive roller 8 and take place rotatoryly during motor drive, can drive a plurality of gyro wheel 9 circulation of surface when roller 8 is rotatory and support the bottom of pressing fly leaf 6, gyro wheel 9 can drive briquetting 13 in the inside activity of cover seat 14 and extrude cushion 15 in step when contacting the bottom of fly leaf 6, in order to guarantee gyro wheel 9 rolling smoothness nature in fly leaf 6 bottom, can drive movable sleeve 11 in step along the outside upwards slip of slide bar 12 and extrude spring 10 when receiving the effort of supporting pressure, at this moment, fly leaf 6 can be orderly goes up and down, can drive a plurality of grinding seat 3 inside a plurality of grinding seat and slide from top to bottom when the valve rod slides, can make disk seat and grind the grinding mouth 2 and carry out the friction contact when the valve rod slides, at this moment, the device can realize carrying out a plurality of orderly work efficiency of grinding of valve rod of the effectual work of grinding of a plurality of grinding of valve rod of a plurality of ordered improvement, thereby the work of having carried out a series of effectual grinding.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Electric grinding device for diesel engine air valves, comprising a base plate (1), both sides of the top of the base plate (1) are fixed with supporting plates (5), the top of the supporting plates (5) is fixed with a top plate (4), a grinding seat (3) is installed at the top of the top plate (4), the inside of the grinding seat (3) is provided with a plurality of valve rod through holes, the top of the valve rod through holes in the grinding seat (3) is provided with a valve seat grinding port (2), and the electric grinding device is characterized in that: be equipped with between backup pad (5) fly leaf (6), the inside of fly leaf (6) is equipped with a plurality of jack (7), just backup pad (5) corresponding one side all is equipped with the notch, the notch internal fixation of backup pad (5) corresponding one side has slide bar (12), the movable sleeve (11) have been cup jointed in the outside slip of slide bar (12), the outside of movable sleeve (11) all with the both sides fixed connection of fly leaf (6), and the below of fly leaf (6) is connected with roller (8) through the motor rotation, the activity of the upper and lower both ends of roller (8) outside is equipped with a plurality of gyro wheel (9).

2. The diesel valve electric grinder as set forth in claim 1, wherein: the outer portion of the upper end of the sliding rod (12) is sleeved with a spring (10), and two ends of the spring (10) are connected with the top inner wall of the notch of the supporting plate (5) and the top of the movable sleeve (11) respectively.

3. The diesel valve electric grinder as set forth in claim 1, wherein: one end of the roller (9) connected with the roller shaft (8) is fixed with a pressing block (13), and the outer part of the roller shaft (8) is provided with a plurality of sleeve seats (14) which are matched with the pressing block (13) in structure.

4. An electric grinding device for a diesel valve of claim 3, wherein: an elastic cushion (15) is arranged inside the sleeve seat (14), and the pressing block (13) extends into the sleeve seat (14) and is in abutting contact with the elastic cushion (15).

5. The diesel valve electric grinder as set forth in claim 1, wherein: the positions of the insertion holes (7) correspond to the positions of the valve rod through holes in the grinding seat (3) one by one, and fastening rings are fixedly bonded on the inner wall of the insertion holes (7).

6. The diesel valve electric grinder as set forth in claim 1, wherein: the rollers (9) are distributed on the surface of the roller shaft (8) at equal intervals, and the outer ends of the rollers (9) are in rolling contact with the bottom of the movable plate (6).