CN2121602U

CN2121602U - Gearing box key capable of suction iron sand

Info

Publication number: CN2121602U
Application number: CN 92208165
Authority: CN
Inventors: 陈亦志
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-28
Filing date: 1992-04-28
Publication date: 1992-11-11

Abstract

The utility model relates to a gearing box key capable of suction iron sand, which is arranged in the gear box with right amount lubricant for the assembly of the gear. The preconcerted position on the bottom surface of the gear box is provided with a threaded hole for discharging or injecting the lubricant. The utility model is screwed and sealed in the threaded hole, extends in the top face in the gear box, and the top face forms a groove with appropriate depth. A magnetic element is fixed on the bottom end face of the groove, and the ferrous sand or ferrous powder in the lubricant generated by the movement of the gear can be sucked on the groove by the magnetic element for ensuring the service life of the gear box and increasing the lubricating time of the lubricant.

Description

Gearing box key capable of suction iron sand

The utility model relates to a kind of gear-box key, and particularly a kind of iron sand contained in can the finish with oilgear or iron powder are inhaled poly-fixing, influence the gear-box key of parts in the gear-box to avoid iron sand or iron powder.

For learning mechanical knowledge or participating in the people of mechanical aspects work, all understand when two metallic parts are made contact movement and must make with lubricator, the effect of oiling agent except that make parts motions smooth and easy, more most important effect is to prolong the working life of parts, so, parts lubricated extremely important; In addition, for new cars, locomotive even a brand-new machine tool, when travelling at first, it is noted that most the replacing of machine oil, and vapour, locomotive manufacturer also can indicate the more change engine oil of several kilometers needs that travels, and reach the purpose of avoiding parts impaired with the working life of guaranteeing parts; And to be solved in the utility model be general vapour, the problem of installing locomotive gear cases aspect, see also shown in Figure 1, it is the simple diagram of general gear-box, be provided with several pitch wheels 2 in casing 1 inside, and in casing 1 inner injection moderate lubrication agent 3 { height of general oiling agent 3 is about half of casing 1 height }, can smooth and easy running so that can obtain lubrication during gear 2 running, be provided with the key 4 that injects and release for oiling agent 3 in casing 1 bottom surface, so that change the time marquis of oiling agent 3, just can make oiling agent 3 release or inject as long as rotate key 4 at needs.

But, the motion that is meshing with each other of gear and gear is the motion of metal and Metal Contact, so, in the motion that is meshing with each other, all have iron sand or iron powder formation, and this iron sand and iron powder can increase with the growth of 2 running time of gear, make the lubrication of oiling agent 3 relatively reduce, this oiling agent that is leaked out when just why at every turn changing oiling agent 3 presents black state (containing iron sand or iron powder composition); And contain the time marquis of iron sand or iron powder at oiling agent 3, when remaining in operation, oiling agent 3 up can be with again by gear 2, make the oiling agent 3 that contains iron sand or iron powder in gear and gear engagement, form obstruction, and cause gear engagement to have some setbacks and destroy the flank of tooth of gear 2, and the iron sand or the iron powder that can impel gear 2 to produce being meshing with each other increase, so that formation vicious circle, make oiling agent 3 keep the time of lubrication to shorten, shorten the working life of gear 2, so that need to change oiling agent 3 again and again to avoid gear 2 impaired; Moreover, usually gear-box 1 is after long-time the use, by changing inner oiling agent 3, though can reduce the content of impurity, yet gear-box 1 inwall also can cover one deck sand grains usually, the owner of general senior car can require the service technician of automobile to make the special cleaning of gear-box 1 inside, but not only inconvenience (consuming time) and expense are very high for this cleaning; So iron sand and iron powder that the gear engagement motion is produced are avoided being blended in the oiling agent as far as possible, reducing the injury of gear and to reduce the cleaning of gear-box inside, this be vapour, locomotive industry with the technician who is engaged in vapour, locomotive maintenance the target that should make great efforts to improve.

Main purpose of the present utility model is to provide a kind of gear-box key of inhaling poly-iron sand, the magnetic element that is provided with by the gear-box key, make the be meshing with each other iron sand that produced of motion or iron powder of gear inhale and get together, and reach the purpose that reduces iron sand in the oiling agent or iron content, with the gear that prolongs gear-box or the working life of other parts.

The utility model is taked following measure:

The gear-box key of inhaling poly-iron sand of the present utility model is located at for gear train and installs and fill in the gear-box of moderate lubrication agent, is provided with in precalculated position, gear-box bottom surface for oiling agent and releases and the tapped hole that injects, and the gear-box key is installed in this tapped hole; Described gear-box key comprises a key and a magnetic element, and key screws togather and be sealed in the tapped hole; The top end that described key stretches into gear-box inside is formed with the groove of appropriate depth, and described magnetic element is installed in the bottom end of this groove; , inhale and gather on groove iron sand or iron powder that oiling agent contained by this magnetic element, with working life that prolongs gear and the service time that increases oiling agent.

For illustrating above-mentioned technological means, now enumerate preferred embodiment and cooperate diagram, be described in detail as follows, wherein diagram is respectively:

Fig. 1 is a gear-box cross-sectional schematic in the past.

Fig. 2 is the cross-sectional schematic that has the gear-box of the utility model preferred embodiment.

Fig. 3 is the gear-box key sectional view of the utility model preferred embodiment.

Fig. 4 is another means of fixation schematic representation of gear-box key of the utility model preferred embodiment.

Fig. 5 is the use schematic representation of the utility model preferred embodiment.

Fig. 6 is that the utility model preferred embodiment is installed in the schematic representation on the engine.

See also shown in Fig. 2,3,4, the gear-box key of inhaling poly-iron sand of the present utility model is arranged on the gear-box 10 that is equiped with gear train 20, fill proper amount of lubricating agent 30 in gear-box 10 inside, turn round smooth and easy so that obtain lubrication during gear train 20 running, be provided with the tapped hole 12 that releases and inject for oiling agent 30 in the precalculated position of gear-box 10 bottom surfaces 11, described key 40 screws togather and is sealed on the tapped hole 12, so that oiling agent 30 unlikely spilling; Characteristics of the present utility model are that top end 41 that key 40 { its with aluminum alloy or plastics are integrally formed make } stretches into gear-box 10 inside is formed with the groove 42 of appropriate depth, magnetic element 50 { can be made by easy high pressure magnet usually by magnetic element 50, it has splendid magnetic force } be fixedly arranged on groove 42 bottom ends that { magnetic element 50 is that mode with compression fit is fixedly arranged in the groove 42 of key 40 usually, maybe can use spiral shell spare 51 that magnetic element 50 is screwed on key 40, and firm more (as shown in Figure 4), when magnetic element 50 is installed in the groove 42 of key 40, must keep one section suitably height (H) with the top end 41 of groove, promptly the height of this magnetic element is less than the height of described groove { interior because iron sand 52 that institute is inhaled gather or iron powder accumulate in groove 42 }, and this kind design can have following advantage on reality is used:

One, when the gear of gear train 20 at motion iron sand that produces 52 or the iron powder of being meshing with each other, when being blended in the oiling agent 30, because when gear train 20 rotates, oiling agent 30 is in agitated conditions, make iron sand or iron powder to flow with oiling agent 30, when iron sand or iron powder flow to key 40 all around the time, just can be inhaled by the magnetic force of magnetic element 50 and gather on key 40 or in the groove 42, as shown in Figure 5, therefore, containing iron sand 52 or iron powder in the oiling agent 30 not only can not increase with gear train 20 runnings, can reduce on the contrary, make gear train 20 gear in the running, be subjected to the chance of iron sand or iron powder inhibition to reduce to guarantee gear train 20 runnings smooth and easy.

Its two because the iron sand that contained or iron powder are installed in magnetic elements 50 in key 40 grooves 42 and inhale poly-ly in the oiling agent 30, and reduce content, so, prolonged the working life of oiling agent 30, and reduce the number of times of changing oiling agent 30, and then can save the car maintaining expense.

They are three years old, can be gathered in described groove by magnetic element 50 suctions based on iron sand 52 that is contained in the oiling agent 30 or iron powder, so, when the gear engagement of gear train 20 turns round, can not be subjected to the influence of iron sand 52 or iron powder, make prolong the working life of gear train 20 even gear-box 10.

They are four years old, general gear-box 20 used after a period of time, all need to do inner cleaning, make gear-box 20 inside can not have influence on the working life of parts because of dirt is arranged, yet, gear-box in the past can't be got together iron sand or iron powder suction, so that when changing oiling agent 30, iron sand or iron powder are disposed, therefore, iron sand 52 or iron powder use through long-time, can cement on gear-box 10 inwalls, cause the difficulty of cleaning, and the utility model does not have above-mentioned puzzlement, because when changing oiling agent 30 at every turn, key 40 must be disassembled so that new oiling agent refills again, and when key 40 disassembles, just suction can be gathered in the iron sand 52 or the iron powder of key 40 grooves 42 or periphery and dispose, so iron sand 52 or iron powder that gear-box 10 inwalls adhere to are less, make in that to clean gear-box 10 more convenient and be easy to clean up when inner.

Its five, the specification that key 40 of the present utility model can be designed to vary in size along with various forms of gear-boxes is so relatively, the magnetic element 50 on the key 40 also has certain size and the poly-power of enough suction to inhale poly-iron sand 52 or iron powder.

In addition, see also shown in Figure 6, this figure is that the utility model uses the schematic representation on vapour, locomotive engine 60, key 40 is screwed on the bottom surface of engine 60 oil traps 61, and oil trap 61 is places of general replacement machine oil, as long as key 40 is disassembled, the machine oil that has been black will flow out, and when by the time all leaking out, new machine oil refills oil trap 61 again, so that the parts of engine 60 runnings obtain preferable lubrication effect; Key 40 of the present utility model can be used for the machinery that automobile, locomotive, machine tool etc. are provided with gear-box, so that turn round formed iron sand 52 or iron powder of gear train inhaled and got together, and reaches the purpose that increases gear train or gear-box working life; In general transmission shaft mechanism, key 40 of the present utility model is { when it uses in transmission shaft mechanism, key 40 can be made into corresponding setting, inner iron sand of transmission shaft or iron powder are the influences by centrifugal force and centrifugal force, and be the basic point adsorpting aggregation } with key 40, because as automobile the front-wheel transmission or the back wheel drive mechanism, its transmission shaft all is to be meshing with each other and the gear of direction-changeable constitutes by two, so, the place of its gear engagement is also as gear box structure, need the lubrication of oiling agent and gear life is increased, therefore, can the formed iron sand 52 of gear movement or iron powder be inhaled by magnetic element 50 and get together, just can reach and make the transmission shaft ILS, and the gear operation that makes transmission shaft purpose smoothly.

In sum, the gear-box key of inhaling poly-iron sand of the present utility model can make the ILS of gear-box of vapour, locomotive even machine tool, and does not need usually to change oiling agent, and internal works is increased working life.

Claims

1, a kind of gear-box key of inhaling poly-iron sand, gear-box key are located at for the gear train installing and fill on the gear-box of moderate lubrication agent, and gear-box is provided with in order to release and to inject the tapped hole of oiling agent, and the gear-box key is installed in this tapped hole; Described gear-box key comprises a key, it is characterized in that: also comprise a magnetic element; Described key screws togather and is sealed in the tapped hole, and the top end that key stretches into gear-box inside is formed with the groove of appropriate depth, and described magnetic element is installed in the bottom end of this groove.

2, the gear-box key of inhaling poly-iron sand according to claim 1, it is characterized in that: described key is made by aluminum alloy material is one-body molded.

3, the gear-box key of inhaling poly-iron sand according to claim 1, it is characterized in that: described key is made by integrally moulded.

4, the gear-box key of inhaling poly-iron sand according to claim 1, it is characterized in that: the height of described magnetic element is less than the height of described groove.