CN101749425B - H-shaped machine body for mutual conversion mechanism of reciprocation-rotation motion and device thereof - Google Patents
H-shaped machine body for mutual conversion mechanism of reciprocation-rotation motion and device thereof Download PDFInfo
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Abstract
The invention provides an H-shaped machine body for a mutual conversion mechanism of reciprocation-rotation motion. Two transverse ribs which are connected with a left side surface flange and a right side surface flange and extend toward axial directions of a first reciprocating motion track and a third reciprocating motion track are arranged on the top surface or the bottom surface of the machine body; the transverse ribs are arranged at both sides of a salient part or a position located by vertical projection of the second reciprocating motion track on the top surface or the bottom surface; and a plurality of reinforcing ribs used for connecting the two side surface flanges with the transverse ribs are arranged between the two side surface flanges and the transverse ribs and do not pass through the salient part or the position located by the vertical projection of the second reciprocating motion track on the top surface or the bottom surface. In the H-shaped machine body, by arranging the transverse ribs and the reinforcing ribs on the top surface and/or the bottom surface, the pretightening force or the tensile stress borne by the whole machine body along the axial direction of an air cylinder is mainly borne by the transverse ribs and the reinforcing ribs, and therefore, the deformation of the second reciprocating motion track is efficiently lowered, and a reciprocating motion element moved in the second reciprocating motion track can not have the phenomenon of clamping stagnation in reciprocating motion.
Description
Technical field
The present invention relates to reciprocal-rotation movement mutual conversion mechanism, especially relate to the H type body that is used for reciprocal-rotation movement mutual conversion mechanism.The present invention relates to the device that uses this H type body simultaneously.
Background technique
In machinery, need to realize to-and-fro motion in many instances and rotatablely move between mutual conversion.For example, reciprocating internal combustion engine need be converted to rotatablely moving of bent axle with the linear reciprocating motion that piston produces under the pressure of explosion of burning mixture promotes; In contrast, compressor need be converted to external motor-operated crankshaft rotating the linear reciprocating motion of piston.Above-mentioned two kinds of conversions are except the driving link difference, and it is consistent that motion of mechanism is required, and therefore, can realize that linear reciprocating motion is converted to the mechanism that rotatablely moves, and can be used for also generally that realizing rotatablely moves is converted to linear reciprocating motion.
Some linear reciprocating motions are provided under the prior art and have rotatablely moved the mechanism of conversion mutually.Usually under the technology, adopt connecting rod to realize above-mentioned conversion.Present most of internal-combustion engine, compressor all use connecting rod.The characteristics of this mechanism are, need to be connected between linear reciprocating motion spare and the rotating motion part by the connecting rod that swings back and forth, because the motion of connecting rod is to swing back and forth, this motion is a kind of compound movement, is difficult to realize the complete equilibrium of inertial force, and the swing of connecting rod can increase the side pressure of piston to the motion guide rail sidewall, cause the increase of frictional force, in addition, the existence of connecting rod also makes this mechanism need to possess certain length on vibration-direction, makes its size be difficult to further dwindle.
In order to address the above problem, Chinese patent literature CN85100358B discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine ", Chinese patent literature CN1067741C discloses a kind of " crank and double-round slide reciprocating piston internal combustion engine ", and Chinese patent literature CN1144880A discloses a kind of " crank and multi-round slide reciprocating piston internal combustion engine ".In addition, the application number that the applicant proposed on October 16th, 2009 is in 200910236026.5 the Chinese patent application, also to have proposed a kind of axle system that adopts end axle-moving axis to be combined to form cooperates formation with reciprocating part reciprocal-rotation movement mutual conversion mechanism.
The common feature of above-mentioned novel rotation-reciprocal switching mechanism is not re-use connecting rod as to-and-fro motion and the middle transition element that rotatablely moves, and has avoided because the problem that connecting rod causes.At first, because the compound movement that does not exist connecting rod to introduce, make that all elements all are in the simple harmonic motion state in the motion, be convenient to carry out reciprocal inertia force and rotatory inertia equilibrium of forces, and can realize real complete equilibrium.Secondly, owing to do not have connecting rod, make no longer to exist for the size of arranging connecting rod and increasing on the to-and-fro motion track, the bulk that entire mechanism is occupied is able to remarkable minimizing.
Owing to there is not a connecting rod, above-mentioned back and forth-spatial arrangement of rotary motion conversion mechanism is also different with the connecting rod of existing common technology.Especially for the above-mentioned novel rotation with three to-and-fro motion elements-back and forth switching mechanism, not only can realize the complete equilibrium of its reciprocal inertia force and reciprocal inertia force square, and entire mechanism is arranged in the body of compact structure.In the body that provides for above-mentioned three to-and-fro motion elements, a kind of typical form is a H type body.
The structure of above-mentioned H type body as shown in Figure 1, this body that illustrates is used for a kind of internal-combustion engine.This internal-combustion engine has three to-and-fro motion elements, is respectively two pistons and a dynamic balance slide block, and described piston can be single action piston or two-way ram.Accordingly, described body is respectively the to-and-fro motion track that provides for two pistons for it provides three to-and-fro motion tracks, i.e. first cylinder 1, second cylinder 2, and the runway 4 that provides for dynamic balance slide block; In addition, described body also is a rotating motion part, and promptly the axle system of the bent axle of circular slider-crank mechanism or end axle-moving axis provides main bearing hole 3, supports for above-mentioned rotating motion part provides rotation.Wherein, the axis of described first cylinder 1, second cylinder 2 is parallel to each other, and the plane at above-mentioned two axis places is called first plane; The axis of described main bearing hole 3 be positioned at equally on described first plane and with the axis normal of described first cylinder 1, second cylinder 2.4 on described runway is clipped between the axis of described first cylinder 1 and second cylinder 2, the intersect vertical axis of the axis of runway 4 and described main bearing hole 3, and constitute second plane, this second plane is perpendicular to described first plane.Runway 4 can be designed to different shape of cross sections as the to-and-fro motion track of dynamic balance slide block.Two kinds of selections are generally arranged, promptly circular or square.Cross section has advantage easy to process for circular runway, and still, its rigidity is lower; Cross section is that square runway rigidity is better, but its processing is not too convenient, often will use comparatively special processing methods such as line cutting.
The characteristics of above-mentioned H type body are the spatial position connection and reasonable arrangement of each to-and-fro motion track and main bearing hole etc., can help novel back and forth-rotational motion mechanism realizes the advantage of its compact structure.But this H type body has some obvious defects.Main problem is, under same cabinet size, the power of the connecting rod that the power of the mechanism that it supported is more traditional is big, and therefore, comparatively speaking, this body exists its insufficient rigidity to support the situation of this mechanism.In order to address the above problem, need structurally the rigidity of body to be strengthened.The various bodies that prior art provides all do not think better of this problem.Especially in the end face of body and/or bottom surface fixedly after the cylinder cap, for fixing cylinder cap, cylinder bolt can produce tensile stress to body, and this tensile stress can cause the second to-and-fro motion track (the being runway) distortion of settling dynamic balance slide block, can influence the normal to-and-fro motion of dynamic balance slide block when serious.
Summary of the invention
At the problems referred to above, the technical problem that the present invention solves is, a kind of H type body that is used for reciprocal-rotation movement mutual conversion mechanism is provided, the weak link of this body has obtained special reinforcement, make it have the rigidity that is enough to support whole switching mechanism, especially can avoid the second to-and-fro motion track under the various pretightening forces of mechanism and action of pulling stress, to produce distortion.
The present invention provides the device that uses above-mentioned body simultaneously, specifically is to use the internal-combustion engine or the compressor of above-mentioned body.
The H type body of provided by the invention being used for back and forth-rotation movement mutual conversion mechanism, its end face or bottom surface are provided with two cross ribs along the extension of the first, the 3rd to-and-fro motion centre-line of track direction that connect left and right sides face flange; Above-mentioned two cross ribs are positioned at the second to-and-fro motion track in the lug boss of this end face or bottom surface or the both sides of vertical projection position; Between side flanges and described cross rib, be provided with the strengthening rib of described side flanges of some connections and described cross rib, these strengthening rib are not all by lug boss or the vertical projection position of the second to-and-fro motion track in end face or bottom surface.
Preferably, strengthening rib between side flanges and the described cross rib is the Herringbone fins, specifically comprise from described side flanges, one intermediate rib that is parallel to cross rib of drawing, terminal at this intermediate rib, stretch out two diagonal ribs to both sides are oblique, be connected to the cross rib of both sides, described intermediate rib and two diagonal ribs constitute Herringbone fins.
Preferably, described intermediate rib is positioned at the neutral position of two cross ribs in the starting point of side flanges.
Preferably, the bottom of this body is provided with identical strengthening rib structure with end face.
Preferably, described body is split type body, and this body is divided into two parts by second plane of the intersect vertical axis of the axis of the second to-and-fro motion track and this body main bearing hole and formation; The stay bolt through hole is set in the described cross rib, is used to pass the fixedly stay bolt of two-part body.
Preferably, this body has four limit ribs that extend on the left and right sides dimension that is positioned at four jiaos of sides, has the stay bolt through hole in above-mentioned four limit ribs, is used to pass the fixing two-part stay bolt of split type body.
Preferably, the described stay bolt that passes through hole in the cross rib is the fixing bolt of cylinder cap simultaneously.
Preferably, the side of body is provided with some tapped holes that are used for fixing cylinder cap.
The present invention provides a kind of device simultaneously, specifically is internal-combustion engine, and this internal-combustion engine uses the described body of above-mentioned each technological scheme.
The present invention also provides another device, specifically is compressor, and this compressor uses the described body of above-mentioned each technological scheme.
H type body provided by the invention is provided with two cross ribs along the extension of the first, the 3rd to-and-fro motion centre-line of track direction that connect left and right sides face upper flange at its end face or bottom surface; Above-mentioned two cross ribs are positioned at the both sides of the second to-and-fro motion track in the projection position of end face or bottom surface.The strengthening rib that is provided with between above-mentioned cross rib and side flanges is equally without the position of the above-mentioned second to-and-fro motion track at end face or projection place, bottom surface.Setting by above-mentioned cross rib and strengthening rib, make that whole machine body bears along cylinder axis to pretightening force or tensile stress mainly bear by above-mentioned cross rib and strengthening rib, because two cross ribs are positioned at the both sides of the second to-and-fro motion track in the projection of this end face or bottom surface, described strengthening rib is also without the projection position of the second to-and-fro motion track in this end face or bottom surface, make this body because above-mentioned pretightening force or tensile stress and first, distortion on the 3rd to-and-fro motion centre-line of track direction can not be embodied directly on the second to-and-fro motion track, effectively reduces the distortion of this second to-and-fro motion track.The to-and-fro motion element that moves in this second to-and-fro motion track just clamping stagnation can not occur in to-and-fro motion.For internal-combustion engine, above-mentioned the first, the 3rd to-and-fro motion track is a cylinder, and the described second to-and-fro motion track is the runway of dynamic balance slide block.
In the scheme of present invention further optimization, described strengthening rib is the man type setting, this structure can be preferably with tensile stress or fixedly the two-part pretightening force of body (for split type body) be distributed on the cross rib of both sides, avoid the distortion of the second to-and-fro motion track preferably.
Above-mentioned body can be used for integrated type and split type body, suitablely especially is used for split type body.When being used for split type body, the through hole that passes stay bolt is set in the described cross rib,, body two-part and cylinder cap is fixed as one by this stay bolt.Under split type body form, two-part of described body are connected by a plurality of stay bolts, and these stay bolts produce pretightening force to two-part body, make the body of dimidiation connect as a whole.Fixedly after the cylinder cap, cylinder bolt makes two-part of body take place loosening each other easily to the tensile stress of body.After having adopted body provided by the invention, transmit the pretightening force that provides and the tensile stress of above-mentioned stay bolt and cylinder bolt by cross rib and strengthening rib, it is above-mentioned stressed to avoid the second to-and-fro motion track to bear, the distortion of lowering the second to-and-fro motion track.
Description of drawings
Fig. 1 is the H type body that prior art provides;
Fig. 2 is the stereogram of the embodiment of the invention;
Fig. 3 is the stereogram of another angle of the embodiment of the invention.
Embodiment
Please referring to Fig. 2, this figure is the stereogram of the H type body that provides of the embodiment of the invention.Please referring to Fig. 3, this figure is that body shown in Figure 2 is observed the stereogram that obtains from another angle simultaneously, and its end face laterally is the end face among Fig. 2.In the above-mentioned accompanying drawing, the body shown in Fig. 1 is basic identical on the whole except strengthening rib part and in the background technique, below in the explanation, illustrates with identical label with part identical among Fig. 1.The profile of the internal combustion (IC) engine airframe that this illustrates is roughly cube.For convenience of description, Fig. 2 marks this cube three dimensions spatially, is respectively dimension I, front and back dimension II, left and right sides dimension III up and down.Accordingly, several surfaces of this body are respectively end face, bottom surface, front-end face, ear end face, left surface, right flank.This body is to be used to support employing circular slider-crank mechanism with three to-and-fro motion elements or the H type body of holding the internal-combustion engine of axle-movable shaft mechanism.Above-mentioned three to-and-fro motion elements are respectively first to the 3rd to-and-fro motion elements, and corresponding, the tracks that this body provides is first to the 3rd to-and-fro motion track.Wherein, the first to-and-fro motion track is that first cylinder 1, the 3rd to-and-fro motion track of internal-combustion engine are second cylinder 2 of internal-combustion engine; Described second tracks is the to-and-fro motion track that the dynamic balance slide block for internal-combustion engine provides, and is called runway 4.
The body that present embodiment provides is split type body, and two parts of this body are divided with second plane, described second plane be described in the background technique by the axis of runway 4 and the intersect vertical axis of described main bearing hole 3, and second plane that constitutes.In fact, according to shown in Figure 2, this body is divided into two parts on the dimension III of the left and right sides, promptly left body A, right body B, and when being combined as a complete body, two parts are fixed together by stay bolt, form a complete body.
On the left surface of described left body A, has the flange that protrudes from end face, it is (corresponding to be called left surface upper flange A-1, has the left surface lower protruding edge in the bottom surface, above-mentioned left surface upper flange and left surface lower protruding edge and right flank upper flange and right flank lower protruding edge are collectively referred to as side flanges), corresponding, on the separating surface adjacent with right body B, have the flange that protrudes from end face, be called left interface upper flange A-2.Top side location at left body A, the left lug boss 4-1 that also has the runway 4 that protrudes from end face, this left side lug boss 4-1 is the framework of protruding along runway 4, the limit, left side of this lug boss 4-1 is the arc that protrudes left, and be opened on to the right on the interface of left body A, its aperture surface is the part of runway 4.Described left interface upper flange A-2 is divided into two parts by this lug boss 4-1.At this end face, be provided with vertically and connect two strengthening rib of above-mentioned left surface upper flange A-1 and left interface upper flange A-2, be called cross rib.Two cross ribs are called left front cross rib 5-1 and left back cross rib 6-1.Shown in the figure, described left front cross rib 5-1, left back cross rib 6-1 all are arranged on the both sides of described left lug boss 4-1, the i.e. both sides of runway 4.Above-mentioned cross rib center is provided with through hole, be used to pass the stay bolt of fixing cylinder cap and left half body and right half body, this stay bolt (figure do not show) passes cylinder cap and two and half bodies simultaneously, the effect of playing on body fixing cylinder cap simultaneously and connecting left half body and right half body.Left interface upper flange A-1 and upper flange A-2 position, left interface that the two ends of above-mentioned cross rib connect are passed by above-mentioned through hole equally.Article two, the outside of cross rib also is provided with the additional ribs 7 of the extension of fore-and-aft direction, is connected between the limit rib A-3 of above-mentioned cross rib and front/rear end, is provided with through hole among the above-mentioned limit rib A-3, passes the stay bolt (figure does not show) that connects left half body and right half body.
As can be seen from Figure 3, between described upper left flange A-1 and two cross ribs, be provided with lineup's font strengthening rib, this group man type strengthening rib comprises an intermediate rib 8-1, preceding diagonal rib 8-2, back diagonal rib 8-3.Described intermediate rib 8-1 is in the roughly the same position of described two cross ribs distance of distance on left surface upper flange A-1, draws the intermediate rib 8-1 that is parallel to above-mentioned cross rib, 8-1 is shorter for this intermediate rib, in its terminal, to both sides are oblique stretch out before diagonal rib 8-2 and back diagonal rib 8-3, be connected to the cross rib of both sides.Above-mentioned diagonal rib does not all cross with described lug boss 4-1.
The end face of right body B is identical with above-mentioned left body A, has right flank upper flange B-1 and right interface upper flange B-2 and is connected right front cross rib 5-2 between the two, right back cross rib 6-2 and lineup's font rib.Be provided with through hole equally among described right front cross rib 5-2, the right back cross rib 6-2.This end face is provided with the lug boss of runway 4 equally, and its opening is called right lug boss 4-2. to the right
When described left body A and right body B are stitched together, right interface with the left interface of left body A and right body is adjacent, is stitched together, and then described left front cross rib 5-1 splices mutually with right front cross rib 5-2, cross rib 5 before the common formation wherein has the long tapped through hole that runs through whole preceding cross rib 5; Equally, described left back cross rib 6-1 splices mutually with right back cross rib 6-2, and common formation back cross rib 6 wherein has the long tapped through hole that runs through whole back cross rib.At the above-mentioned long tapped through hole of top side location,, can left body A and right body B and the cylinder cap that is fixed on body left surface and right flank be connected as one with four stay bolts with the long tapped through hole that is positioned at the bottom surface.The stay bolt that connects left body A and right body B also comprises the stay bolt that passes four limit rib A-3, and the stay bolt through hole among the rib A-3 of each limit has opening on four angles of body side.The cylinder cap tapped hole that is used for fixing cylinder cap then also comprises some tapped holes that the side is provided with.Fig. 2 illustrates, and the opening of some through holes is arranged on the right flank of body, promptly comprises the opening of above-mentioned various bolt holes.
In the above-described embodiments, the pretightening force that the setting of whole strengthening rib structure can provide the stay bolt of fixing left body A and right body B, and fixedly the tensile stress that produces of the cylinder bolt of cylinder cap is carried out reasonable distribution, and it is dropped on two cross ribs.Especially by two groups of Herringbone fins, further will be carried in pretightening force and tensile stress on left surface upper flange A-1 and the right flank upper flange B-1, be assigned on the cross rib on both sides, like this, by above-mentioned strengthening rib system (comprising the system that cross rib and strengthening rib are formed), just can obtain rational pretightening force and tensile stress distribution effects, pretightening force and tensile stress that runway 4 is born are very little, and the motion of dynamic balance slide block in runway 4 can lessly be subjected to the influence of to-and-fro motion track deformation.
The arrangement of above strengthening rib structure also can be applied in the H type body of compressor, constitutes the compressor of the use H type body with above-mentioned strengthening rib structure.
Although present embodiment is a split type body, in fact, above-mentioned strengthening rib structure can be used for the integrated type body, and its arrangement principle is with this embodiment, be the position of cross rib without runway 4 places, and by the Herringbone fins may occur along cylinder axis to distortion be assigned on the cross rib.
When the second to-and-fro motion track (being the runway 4 among the embodiment) since design reasons when end face or bottom surface do not have lug boss, above-mentioned cross rib and strengthening rib etc. need to guarantee without the position of the second to-and-fro motion track at end face or vertical projection place, bottom surface.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from basic principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a H type body that is used for reciprocal-rotation movement mutual conversion mechanism is characterized in that, in the end face or the bottom surface of this body two cross ribs along the extension of the first, the 3rd to-and-fro motion centre-line of track direction that connect left and right sides face flange is set; Above-mentioned two cross ribs are positioned at the second to-and-fro motion track in the lug boss of this end face or bottom surface or the both sides of vertical projection position; Between side flanges and described cross rib, be provided with the strengthening rib of described side flanges of some connections and described cross rib, these strengthening rib are not all by lug boss or the vertical projection position of the second to-and-fro motion track in end face or bottom surface.
2. the H type body of according to claim 1 being used for back and forth-rotation movement mutual conversion mechanism, it is characterized in that, strengthening rib between side flanges and the described cross rib is the Herringbone fins, specifically comprise from described side flanges, one intermediate rib that is parallel to cross rib of drawing in the terminal of this intermediate rib, stretches out two diagonal ribs to both sides are oblique, be connected to the cross rib of both sides, described intermediate rib and two diagonal ribs constitute the Herringbone fins.
3. the H type body of according to claim 2 being used for back and forth-rotation movement mutual conversion mechanism is characterized in that described intermediate rib is positioned at the neutral position of two cross ribs in the starting point of side flanges.
4. the H type body of according to claim 1 being used for back and forth-rotation movement mutual conversion mechanism is characterized in that the bottom of this body is provided with identical strengthening rib structure with end face.
5. according to any described H type body that is used for reciprocal-rotation movement mutual conversion mechanism of claim 1-4, it is characterized in that, described body is split type body, and this body is divided into two parts by second plane of the intersect vertical axis of the axis of the second to-and-fro motion track and this body main bearing hole and formation; The stay bolt through hole is set in the described cross rib, is used to pass the fixedly stay bolt of two-part body.
6. the H type body of according to claim 5 being used for back and forth-rotation movement mutual conversion mechanism, it is characterized in that, this body has four limit ribs that extend on the left and right sides dimension that is positioned at four jiaos of sides, have the stay bolt through hole in above-mentioned four limit ribs, be used to pass the fixing two-part stay bolt of split type body.
7. the H type body of according to claim 5 being used for back and forth-rotation movement mutual conversion mechanism is characterized in that, the described stay bolt that passes through hole in the cross rib is the fixing bolt of cylinder cap simultaneously.
8. the H type body of according to claim 1 being used for back and forth-rotation movement mutual conversion mechanism is characterized in that the side of body is provided with some tapped holes that are used for fixing cylinder cap.
9. a device specifically is an internal-combustion engine, it is characterized in that, uses any described body of claim 1-7.
10. a device specifically is a compressor, it is characterized in that, uses any described body of claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102442034A CN101749425B (en) | 2009-12-28 | 2009-12-28 | H-shaped machine body for mutual conversion mechanism of reciprocation-rotation motion and device thereof |
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| CN2009102442034A CN101749425B (en) | 2009-12-28 | 2009-12-28 | H-shaped machine body for mutual conversion mechanism of reciprocation-rotation motion and device thereof |
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| CN101749425B true CN101749425B (en) | 2011-07-20 |
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| CN101963108B (en) * | 2010-10-12 | 2016-03-30 | 北京中清能发动机技术有限公司 | Body of conversion device without connecting rod reciprocating-rotating motion and internal-combustion engine, compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
| CN1144880A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and multi-round slide reciprocating piston internal combustion engine |
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| CN2828343Y (en) * | 2005-10-14 | 2006-10-18 | 无锡开普动力有限公司 | Engine body |
| DE202008006927U1 (en) * | 2008-05-21 | 2008-07-31 | Handtmann Systemtechnik Gmbh & Co. Kg | Rib design for a supercharger based on the spiral principle |
-
2009
- 2009-12-28 CN CN2009102442034A patent/CN101749425B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
| CN1144880A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and multi-round slide reciprocating piston internal combustion engine |
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| CN2828343Y (en) * | 2005-10-14 | 2006-10-18 | 无锡开普动力有限公司 | Engine body |
| DE202008006927U1 (en) * | 2008-05-21 | 2008-07-31 | Handtmann Systemtechnik Gmbh & Co. Kg | Rib design for a supercharger based on the spiral principle |
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