CN201410657Y

CN201410657Y - Assembling and disassembling tool for valve split collets of diesel engines

Info

Publication number: CN201410657Y
Application number: CN2009200265971U
Authority: CN
Inventors: 李爱全; 王欣宏; 管来国; 于龙春
Original assignee: Qingdao Port Group Co Ltd
Current assignee: Qingdao Port Group Co Ltd
Priority date: 2009-06-04
Filing date: 2009-06-04
Publication date: 2010-02-24
Anticipated expiration: 2019-06-04

Abstract

The utility model discloses an assembling and disassembling tool for the valve split collets of diesel engines, which aims to overcome the defects of the all-purpose tool used by the prior art to assemble and disassemble the valve split collets of high-power diesel engines, including poor reliability, labor consumption, time consumption, strength consumption and unsafety. A pressure lever is hinged with a fulcrum bar which can be vertically fixed in the prior screw hole of a cylinder cap close to a valve, and the other end of the pressure lever is cantilevered and overlapped on a pressure frame positioned on the top of a valve spring seat. Since the tool utilizes the prior screw hole of the cylinder cap of the engine to mount the fulcrum bar as the hinging fulcrum of the pressure lever anduses the reverse U-shaped frame as the tip of a force-applying point pressing down the pressure lever, a valve spring can be compressed under the effect of leverage, a valve split collet can be assembled and disassembled by only one person, and labor, time and strength are saved. The tool has the advantages of simple structure, low fabrication cost, safety, reliability and convenient operation.

Description

Diesel engine spiracle locking plate dismantling device

Technical field

The utility model belongs to instrument, specifically a kind of instrument that is used to dismantle the high-power engine valve split collets.

Background technology

At present in to the low-powered engine maintenance process, the dismounting of valve all is to use general utility tool to replace, for example often use the handle of die handle to withhold valve spring holder, shorten behind the spring pressurized, make valve split collets break away from the constraint of valve seating and get loose and can take out, it also is same reason that valve split collets is installed.Aforesaid operations needs 2 people's cooperations just can finish, and a people two hands take the die handle handle to withhold, and a people treats to get valve split collets after spring is compressed.In operating process, though labour intensity is big, inefficiency, for low-powered engine, the compressive resistance of spring also is not too big, and the method for using the die handle handle to withhold also can barely be implemented.

Along with the development of port loading and unloading machinery, the power of engine is also improving constantly, and the anti-pressure ability of the valve spring of high-power engine has also increased a lot.And the elastic force of the valve spring of high-power diesel engine is too big, use general utility tool valve spring holder can't be withheld down, it is very difficult that the disassemble and assemble work of valve split collets just becomes, can only adopt a people to take crowbar, the hand steered cushion block of a people to come the compression valve spring temporarily, finish the dismounting of valve split collets.This mode of operation quite bothers, and when prizing with crowbar, the unstable slip phenomenon that also often takes place of crowbar, and the poor reliability of dismounting is taken a lot of work, time-consuming, effort, does not note the hand of also damaging easily slightly.

The utility model content

Technical problem to be solved in the utility model is, overcomes that prior art is used the valve split collets poor reliability of general utility tool dismounting high-power diesel engine, taken a lot of work, time-consuming, effort, and unsafe shortcoming, and a kind of diesel engine spiracle locking plate dismantling device is provided.

In order to solve the problems referred to above that prior art exists, the utility model is to adopt following technical proposals to realize: can erect on the pole that is fixed on the existing screw of nearly valve position on the cylinder head, hinge is connected with a depression bar, and the other end cantilever pressure of depression bar is being positioned on the pressure frame of placing on the cotter seat end face.

The utility model also has following technical characterictic:

The structure of described pressure frame is, falling below " U " shape frame, be connected with external diameter less than the outer ring of cotter seat, internal diameter seat ring, falling between " U " shape two vertical edges of " U " shape frame, the transverse axis of the following pressure that can make depression bar is installed greater than the cotter seat inner ring;

Below described depression bar, be provided with a plurality of grooves of making to regulate location usefulness on the transverse axis that are fit to be stuck in continuously along the depression bar direction.

Advantage of the present utility model and good effect are, because above-mentioned instrument is to have utilized engine cylinder cap to have screw now, the hinged support of pole as depression bar is installed, with falling the termination of " U " shape frame as moulded rod under the impetus, under the effect of lever force, make the valve spring compression, one man operation is dismantled and assembled valve split collets, the saving of labor, save time, laborsaving.Above-mentioned tool construction is simple, and cost of manufacture is low, and is safe and reliable, easy to operate.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the A-A cutaway view of figure.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Among Fig. 1, erectting on the pole 2 that is fixed on the existing screw of nearly valve position on the cylinder head 1, pass pole 2 upper hinges with bearing pin 3 and be connected with a depression bar 5, the left end cantilever pressure of depression bar 5 is on the pressure frame 6 that is positioned on cotter seat 4 end faces.

Among Fig. 2, the structure of described pressure frame 6 is, falling below " U " shape frame 6.1, be connected with external diameter less than the outer ring of cotter seat 4.1, internal diameter seat ring 6.2 greater than cotter seat 4.1 inner rings, falling the falling between " U " shape two vertical edges of " U " shape frame 6.1, the transverse axis 7 of the following pressure that can make depression bar 5 is installed.

Because the existing screw that utilizes is many on the cylinder head 1, for the length that makes depression bar 5 can arbitrarily be adjusted arm of force length according to the elasticity size of valve spring 4, and it is stable when depression bar 5 is pressed down, below described depression bar 5, along the length direction of depression bar 5, be provided with a plurality of adjustings and anti-skidding location continuously and use, be fit to be stuck in the groove 5.1 on the transverse axis 7.

During use, pole 2 is screwed in the existing screw of nearly valve position on the cylinder head 1, the seat ring 6.2 that " U " shape frame 6.1 of pressing on the frame 6 is connected below is placed on cotter seat 4.1 end faces, press down the cantilever end of pressure at transverse axis 7 upperpush rods 5 of pressing frame 6, under the effect of lever force, can be the valve split collets 9 of dismantled and assembled lock valve stem 8 easily with valve spring 4 compressions.

Claims

1, a kind of diesel engine spiracle locking plate dismantling device, it is characterized in that: can erect on the pole that is fixed on the existing screw of nearly valve position on the cylinder head, hinge is connected with a depression bar, and the other end cantilever pressure of depression bar is being positioned on the pressure frame of placing on the cotter seat end face.

2, diesel engine spiracle locking plate dismantling device as claimed in claim 1, it is characterized in that: the structure of described pressure frame is, falling below " U " shape frame, be connected with external diameter less than the outer ring of cotter seat, internal diameter seat ring greater than the cotter seat inner ring, falling between " U " shape two vertical edges of " U " shape frame, the transverse axis of the following pressure that can make depression bar is being installed.

3, diesel engine spiracle locking plate dismantling device as claimed in claim 1 or 2 is characterized in that: below described depression bar, be provided with a plurality of grooves of making to regulate location usefulness on the transverse axis that are fit to be stuck in continuously along the depression bar direction.