CN101672257A - Linear reciprocating motion mechanism - Google Patents
Linear reciprocating motion mechanism Download PDFInfo
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- CN101672257A CN101672257A CN200910186109A CN200910186109A CN101672257A CN 101672257 A CN101672257 A CN 101672257A CN 200910186109 A CN200910186109 A CN 200910186109A CN 200910186109 A CN200910186109 A CN 200910186109A CN 101672257 A CN101672257 A CN 101672257A
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Abstract
the invention relates to a linear reciprocating motion mechanism, comprising a pair of gears which are identical in size and different in rotation direction and are engaged with each other, a reciprocating frame provided with a guide groove, handle pins arranged on the gears in a mirror symmetry manner, guide rails arranged in the guide groove in parallel, and a plurality of independent rollers sheathed on the handle pins, wherein each roller is respectively contacted and matched with one guide rail only; two balance blocks with different rotation directions, wherein each balance block is in synchronous rotation with one gear, the resultant force of the centrifugal inertia force generated by the balance blocks can offset the reciprocating inertia force generated by the mechanism reciprocating piece, and the guide rail is designed in a specific curved shape to obtain the linear reciprocating motion principle of a piston or a blocker required by a low-noise mechanism. The invention can realize linear reciprocating motion for the mechanism, reduce sources of generating noise for the mechanism, and can be used for manufacturing compressors, vacuum pumps, engines, vibration dampers, busmachines, reciprocating manipulators, reciprocating sieves, reciprocating knitting heads and reciprocating feeding and discharging devices.
Description
Technical field
The invention belongs to mechanical engineering technical field, relate to a kind of reciprocating mechanism, relate to a kind of mechanism that can realize straight reciprocating motion especially.
Background technique
Reciprocatory motion mechanism is widely used in compressor, motor and various fluid pump, its most typical form is the crank-connecting rod reciprocating mechanism, it mainly is made up of parts such as crank, connecting rod, piston or slide blocks, wherein an end and the crank of connecting rod are rotatably assorted, the other end of connecting rod cooperates with piston or slide block, realizes the reciprocating conversion with piston or slide block of rotatablely moving of crank thus.As everyone knows, the connecting rod of traditional crank linkage mechanism carries out work with the motion mode of swing, so the power that connecting rod affacts on the piston is the power of a swing, unquestionable it will cause piston that cylinder is produced to bounce and cause noise, and make piston produce bigger side pressure and increase frictional loss to cylinder.In order to overcome the above-mentioned drawback of traditional crank linkage mechanism, so people seek to realize the mechanism of linear reciprocation driven plunger or slide block, wherein a kind of linear reciprocating mechanism scheme is as depicted in figs. 1 and 2 in the prior art, it has a pair of size identical and be meshing with each other and the gear 1 of switched in opposite, 2, and at these two gears 1, mirror image respectively is provided with handle pin 11 symmetrically on 2,22, be provided with a seesaw frame 3 in addition, have the guide groove 33 of long straight shape on the seesaw frame 3, guide groove 33 is provided with two guide rail A that are parallel to each other, B, above-mentioned handle pin 11,22 insert simultaneously in this guide groove 33 and with guide rail A, B cooperates, or at handle pin 11, on 22 behind the suit roller 4 again with guide rail A, B cooperates; Be provided with piston or slide block 5 in addition and use guide rod 6 to be connected with reversing gear bracket 3, piston or slide block 5 are slidingly matched with cylinder body 7.When gear 1,2 engagements are rotated, handle pin 11,22 on it will directly or indirectly affact on guide rail A, the B of guide groove 33, therefore and drive seesaw frame 3 and produce motion, be not difficult to find out, must do straight reciprocating motion based on the above-mentioned seesaw frame 3 of the cause of symmetry, piston or the slide block 5 of this moment also must be straight reciprocating motion.Yet find through practice, above-mentioned linear reciprocating mechanism still has the improvements of needs, mainly show: 1) at first, the matching gap of guide rail A, B and handle pin 11,22 or roller 4 is in the awkward condition of dilemma, if matching gap obtains too small, to make handle pin 11,22 or roller 4 touch two guide rail A, B very easily simultaneously, the result causes them to roll not smooth and increases frictional loss, if and that both matching gaps obtain is excessive, produce very big impact noise in the time of then to-and-fro motion will certainly being caused again; 2) secondly, the to-and-fro motion of seesaw frame 3 and piston or slide block 5 certainly exists reciprocal inertia force, and well-known is that this reciprocal inertia force is to cause mechanism to produce the one of the main reasons of vibration noise; 3) last, the guide groove 33 of yi word pattern flat and guide rail A, B can only make piston or slide block 5 obtain single motor pattern such as simple harmonic motion, and can not obtain some specific characteristics of motion as required, wish that such as compressor control piston 5 moves more slowly to reduce exhaust outburst noise, wishes then that when intake stroke piston 5 moves sooner to increase work efficiency when the compression exhaust stroke.
Summary of the invention
The invention provides a kind of linear reciprocating mechanism, purpose is to realize can reduce the root that mechanism produces noise under the prerequisite of straight reciprocating motion of mechanism.
The object of the present invention is achieved like this:
A kind of linear reciprocating mechanism, it comprises: seesaw frame, guide rod and a pair of size are identical and be meshing with each other and the gear of switched in opposite, mirror image respectively is provided with a handle pin symmetrically on the described gear, one end and the seesaw frame of described guide rod interconnect, the other end of guide rod can be connected with piston or slide block, offers guide groove on seesaw frame, and described guide groove is provided with two guide rails that are parallel to each other, described handle pin inserts in the above-mentioned guide groove, it is characterized in that:
Be set with at least one independently roller on each handle pin simultaneously, these rollers respectively only with guide groove on the independent contact matching of one of them guide rail: 1) if be set with two and plural roller simultaneously on each handle pin, then has a guide rail contact matching in a roller and described two guide rails on this handle pin at least, and meanwhile all the other rollers should keep in touch with another guide rail and cooperate, 2) if only be set with a roller on each handle pin, then the handle pin 11,22 with affiliated gear 1,2 employings are rotatably assorted, at this moment the handle pin 11, in fact 22 be exactly a roller, that is a roller only is set on each handle pin, also can realize the smooth transition of mechanism's " past " and " answering " movement conversion process.
Said mechanism is provided with two centrifugal force type equilibrium blocks that rotation direction is opposite, they respectively rotate with one of them gear respectively synchronously, described two equilibrium blocks can independently be provided with and also can be set directly on two gears, and the direction of making a concerted effort of the arrangement principle of the equilibrium block reciprocal inertia force that to be the direction of making a concerted effort that makes the centrifugal inertia force that they produce produced with mechanism all reciprocating parts is opposite.
Above-mentioned guide groove and guide rail are straight line type or V-type or curved, obtain the straight reciprocating motion rule of required piston or slide block with this, and the transverse section of described guide rail is straight wire, rectangular-shaped, trapezoid shaped or circular shape.
Above-mentioned equilibrium block is made up of some little equilibrium blocks.
The quantity of the roller of suit is two or three on each above-mentioned handle pin, and the external diameter of each roller equates.
The both sides of above-mentioned guide rail respectively are furnished with cover guide rod, piston or a slide block, guide rod and piston or slide block.
Above-mentioned guide rod and piston or slide block are structure as a whole or are fastenedly connected or are articulated and connected.
Above-mentioned guide rod and reversing gear bracket are structure as a whole or are fastenedly connected or are articulated and connected.
Be set with guide pin bushing on the above-mentioned guide rod, guide pin bushing and guide rod are slidingly matched.
Be set with Sealing on the above-mentioned guide rod, Sealing and guide rod are sealed and matched.
A kind of purposes of linear reciprocating mechanism can be used for making compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, reciprocating screen, back and forth pin spins head, back and forth feeding and material discharge device.
Owing to all be set with the roller of several independent on each handle pin of linear reciprocating mechanism of the present invention simultaneously, and these rollers respectively only with guide groove on the independent contact matching of one of them guide rail, be responsible for driving " past " and " answering " of seesaw frame respectively by different rollers and corresponding guide rail, because roller can be accomplished to remain to contact with guide rail, therefore roller can be neatly and is realized rolling with guide rail reliably and cooperate, so can reduce friction and can reduce impact noise; In addition, each rotates with one of them gear linear reciprocating mechanism of the present invention synchronously respectively by two centrifugal force type equilibrium blocks are set, and the direction of the reciprocal inertia force that produced of the direction of making a concerted effort that makes the centrifugal inertia force that they produce and mechanism is opposite, also can effectively reduce the vibration noise of mechanism thus; At last, linear reciprocating mechanism of the present invention adopts curvilinear guide groove and Guide Rail Design, can obtain required piston of Realization by Machine low-noise performance or slide block lift rule.
Description of drawings
Fig. 1 is the structural representation of a kind of linear reciprocating mechanism in the prior art;
Fig. 2 is the generalized section of existing linear reciprocating mechanism shown in Figure 1;
Fig. 3 is that guide rail of the present invention is the structural representation of straight line type guide rail;
Fig. 4 is the generalized section of equipped two rollers of each handle pin of the present invention;
Fig. 5 is the face of the deciding what is right and what is wrong schematic representation of equipped three rollers of each handle pin of the present invention;
Fig. 6 is that guide rail of the present invention is the structural representation of V-type straight guide;
Fig. 7 is that guide rail of the present invention is the structural representation of curve-like guide rail.
Embodiment
With specific embodiment the present invention is further described below, referring to Fig. 3-7:
Fig. 3 to Fig. 7 has provided the schematic representation of a kind of linear reciprocating mechanism of the present invention, and the label of part, title and function are inherited existing linear shuttle mechanism illustrated in figures 1 and 2 among the figure.Linear reciprocating mechanism of the present invention includes: a pair of size is identical and be meshing with each other and the gear 1 of switched in opposite, 2, respectively at these two gears 1, mirror image respectively is provided with a handle pin 11 symmetrically on 2,22, so-called mirror image symmetry is meant two handle pins 1,2 turning radius is identical and rotatable phase is just in time anti-phase, in any case rotate in other words, gear 1,2 Gear axis X1, X2 and handle pin 11,22 handle pin axis X11, X22 is parallel to each other, and handle pin axis X11, moving plane that X22 constitutes and Gear axis X1, the face of allocating that X2 constitutes remains parallel (allowing to exist certain foozle and assembly error); Be provided with a seesaw frame 3 that offers guide groove 33 in addition, be provided with two guide rail A that are parallel to each other in the guide groove 33, B, described handle pin 11,22 insert in the above-mentioned guide groove 33 simultaneously, each handle pin 11, rotating sleeve is equipped with two (see figure 4)s or three (see figure 5)s or more a plurality of separate roller 4 on 22, these rollers 4 respectively only with guide groove 33 on one of them guide rail A or the independent contact matching of guide rail B, with the remarkable difference of prior art be, the present invention is by different roller 4 and corresponding guide rail A, B is responsible for driving " past " and " answering " of seesaw frame 3 respectively, therefore roller 4 can be neatly and reliably with guide rail A, B realizes rolling and cooperates, scheme that Here it is so-called " dividing rail to drive ", this moment and the rolling of the roller 4 of guide rail A contact turn to and turn to the rolling of the roller 4 that contacts with guide rail B is opposite, particularly valuable is to divide rail to drive because adopt, the present invention can accomplish to allow different roller 4 respectively simultaneously and guide rail A, B keeps the rolling contact matching, even can allow them keep certain contact pressure in advance, can significantly reduce like this and even complete eliminate roller 4 and guide rail A, gap between the B very helps reducing impact noise undoubtedly; Obviously, when gear 1,2 engagements are rotated, because the above-mentioned seesaw frame 3 of cause of symmetry must be done straight reciprocating motion, seesaw frame 3 on then must obtain straight reciprocating motion (allow exist the small sway that because of foozle and alignment error cause) if various members such as piston or slide block 5 etc. are connected to this moment; Special needs to be pointed out is, piston among the present invention or slide block 5 are a kind of general references, it can be the various pistons on compressor or the motor, also can be plunger or the piston on fluid pump or the damper, can also be the functor such as the rocker arm of other reciprocator, reciprocal hook or reciprocal slide block etc., piston or slide block 5 can be connected with seesaw frame 3 by guide rod 6, they be connected with various ways, adopt with piston or slide block 5 such as guide rod 6 and to be fastenedly connected or simply with they integral manufacturings, also can adopt the mode that is articulated and connected that guide rod 6 and piston or slide block 5 are linked together, guide rod 6 can adopt with seesaw frame 3 and be fastenedly connected or integral manufacturing in addition, also can guide rod 6 be hinged on the seesaw frame 3, can effectively eliminate like this because of foozle by pivot pin 8, the interference phenomenon that alignment error and various distortion etc. bring; The shaft of above-mentioned guide rod 6 can be various roofbolt shapes such as cylindrical bar, oval mast, rectangle mast or other special-shaped masts, and the shape of guide rod 6 can also be done the shape of the connecting rod that the present compressor of imaging or motor use always such as I-shaped shaft, tabular shape shaft or the like; Above-mentioned piston or slide block 5, guide rod 6 can be that single cover use also can be that many covers use together, when adopting many cover pistons or slide block 5 and guide rod 6, they can be split at guide rail A, the both sides of B also can be arranged in guide rail A, the same side (not shown) of B, wherein to use two cover pistons or slide block 5 and guide rod 6 and they split at guide rail A, the both sides of B are best, because like this layout of mechanism and stressed be best, with the duplex cylinder compressor is example, adopt two groups of pistons or slide block 5 and cylinder body 7 to be arranged in guide rail A, the both sides of B, can make compressor reversing gear bracket 3 " toward " with the process of " answer " in all do work, in other words compare with the single cylinder compressor of equal discharge capacity, handle pin 11,22 and the stressed peak value of roller 4 can significantly reduce, the exhaust pressure peak value of pulse is also little simultaneously, and is favourable to reducing noise; Need to prove, roller 4 can be that rolling bearing also can be a roll sleeve, its quantity is with each handle pin 11, two or three rollers 4 of each suit are best on 22, one of them roller 4 contacts all the other rollers 4 and then contacts with another guide rail B or guide rail A with guide rail A or guide rail B, in addition, the size of all rollers 4 comprises internal diameter, external diameter and thickness can be made identical size also can make different sizes, wherein getting identical value with the outside dimension of the roller of being adorned 4 on same handle pin 11 or 22 is the best, convenient like this processing, install and adjust, the external diameter of said here roller 4 is meant that roller 4 and guide rail come in contact the external diameter that cooperates; What deserves to be explained is, roller 4 (not shown)s of suit only also on each handle pin 11,22, handle pin 11,22 and affiliated gear 1,2 adopt and are rotatably assorted under this situation, that is to say that handle pin 11,22 in fact also is a roller, this moment this handle pin 11,22 and suit roller 4 thereon respectively individually with wherein guide rail A or guide rail B contact matching, even that is to say the smooth transition that a roller 4 also can be realized mechanism's " past " and " answering " movement conversion process only is set on each handle pin 11,22; In order to prevent that guide rod 6 from big rocking taking place when working, guide pin bushing 9 can be set be slidingly matched, thereby retrain rocking of guide rod 6 with guide rod 6; In order to prevent that lubricant oil from scurrying cylinder body 7 by gear chamber, Sealing 10 can be set be sealed and matched with guide rod 6 in addition, this moment, the shaft truncation surface of guide rod 6 was the best with circle or ellipse; Guide rail A, the yi word pattern straight guide layout that can adopt B also can adopt V-type straight guide shape layout, wherein the technology capability of yi word pattern straight guide layout is good, V-type straight guide layout then has better stability, the guide rail A of V-type straight guide layout, B can be that positive V-type also can be reverse V-shaped, that a kind of layout no matter, the guide rail A of two V-shaped layouts, B is necessary for about two Gear axis X1, the symmetrical distribution of vertical line among the X2 vertical join line, this symmetry is meant two guide rail A, the angle symmetry of B and described perpendicular bisector and equating, but its guide rail rail length can equate also can be unequal; In addition, guide rail A, B can adopt the plane rail also can adopt protruding rail or recessed rail, correspondingly the transverse section of guide rail can be straight wire (as shown in the figure) or rectangular-shaped or form (not shown)s such as trapezoid shaped or circular shape, and the roller 4 that cooperates with it also should have similar cooperation section; The form of said gear 1,2 can adopt various gear forms commonly used at present, and its rotation can also can be driven by other actuation gear indirectly by the direct driving of prime mover, even can also drive by belt.
It must be noted that, above-mentioned guide groove 33 and guide rail A, B also can be designed to specific curve-like (see figure 7), obtain the straight reciprocating motion rule of required piston of Realization by Machine low-noise performance or slide block 5 with this, with the compressor be example when wishing compression stroke piston or slide block 5 move more slowly to reduce the exhaust explosion sound, when suction stroke, then wish the faster of piston or slide block 5 motions to increase work efficiency; The layout of described curve-like guide rail A, B should be the symmetrical distribution about vertical line among two Gear axis X1, the X2 vertical join line, and this symmetrical distribution is at the real work Duan Eryan's of two guide rail A, B; Two curve-like guide rail A, B still adopt the layout that is arranged in parallel, and the what is called work rail section that is meant them that be arranged in parallel meets the translation rule.
In order to reduce seesaw frame 3, guide rod 6, the reciprocal inertia force that reciprocating members such as piston or slide block 5 produce because of to-and-fro motion, the present invention specially is provided with the equilibrium block 111 of the opposite centrifugal force type of two rotation directions, 222, they respectively rotate synchronously with one of them gear 1 or gear 2, described equilibrium block 111,222 size and phase place arrangement principle are: make the centrifugal inertia force that they produce direction of making a concerted effort and mechanism all participate in the direction of making a concerted effort opposite (allowing to exist certain phase error) of the reciprocal inertia force that reciprocating component produce, equilibrium block 111 in addition, all sizes of making a concerted effort that participate in the reciprocal inertia force that reciprocating component produce of the size of making a concerted effort and mechanism of 222 centrifugal inertia forces that produced preferably equate or equate substantially (allowing to exist certain amplitude error), counterbalance effect is better like this, for this reason should be with each equilibrium block 111,222 center of mass is arranged in pairing Gear axis X1 as far as possible, X2 and handle pin axis X11, on the plane that X22 constituted, and about its rotating center and handle pin 11,22 orientation is opposite, further, equilibrium block 111,222 center of mass also should try one's best near the plane of movement at place, mechanism reciprocation mass center, and best circumstance is an equilibrium block 111,222 centrifugal inertia forces that produced make a concerted effort with mechanism that all participate in the vector of making a concerted effort of the reciprocal inertia force that reciprocating component produce and are zero; Equilibrium block 111,222 can directly be arranged on the gear 1,2 and also can be provided with separately, each piece equilibrium block 111,222 can be whole one and also can be made up of a plurality of fritter equilibrium block equivalences, in order to obtain top said optimum balance effect, preferably these two equilibrium blocks 111,222 are symmetrically distributed about vertical line among two Gear axis X1, the X2 vertical join line; In fact balance method of the present invention is exactly the most effective balance method of principal axes of present balance reciprocal inertia force, proves that easily it can balance the reciprocal inertia force that reciprocating member produced of mechanism basically, so can effectively reduce the noise of mechanism.
Linear reciprocating mechanism of the present invention is compared with the traditional line reciprocating mechanism, concludes and gets up to have following benefit:
1) linear reciprocating mechanism of the present invention adopts on each handle pin 11,22 all the structure of the roller 4 of suit several independent simultaneously, and these rollers 4 respectively only with guide groove 33 on one of them guide rail A or the independent contact matching of guide rail B, by different roller 4 and corresponding guide rail A or responsible respectively " past " and " answering " motion that drives seesaw frame 3 of guide rail B, that is realize dividing rail to drive, therefore roller 4 can be neatly and is realized rolling with guide rail A, B reliably and cooperate, so can reduce friction and can reduce impact noise.
2) linear reciprocating mechanism of the present invention adopts and two equilibrium blocks 111,222 is set each rotates synchronously with one of them gear 1 or gear 2 respectively, and make the direction of making a concerted effort of the centrifugal inertia force that they produce basic opposite with the direction of the reciprocal inertia forces that reciprocating member produced such as seesaw frame 3, piston or slide block 5, also can effectively reduce the vibration noise of mechanism thus.
3) linear reciprocating mechanism of the present invention adopts curvilinear guide groove 33 and guide rail A, B design, can obtain required piston of Realization by Machine low-noise performance or slide block 5 lift rules.
In sum, the present invention can realize that the straight reciprocating motion of mechanism can reduce the root that mechanism produces noise again, its purposes can be used in compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, reciprocating screen, back and forth feeding and material discharge device, back and forth pin spins first-classly, can certainly be used for other various devices that need straight reciprocating motion.
The foregoing description is one of preferred embodiment of the present invention only, is not to limit protection scope of the present invention according to this, so: all various equivalences of doing according to structure of the present invention, shape and principle change, and all should be covered by within protection scope of the present invention.
Claims (14)
1, a kind of linear reciprocating mechanism, comprise seesaw frame, guide rod is identical with a pair of size and be meshing with each other and the gear of switched in opposite, mirror image respectively is provided with a handle pin symmetrically on the described gear, described seesaw frame is provided with guide groove, be provided with two guide rails that are parallel to each other in the guide groove, it is characterized in that being set with at least one independently roller separately simultaneously on described two handle pins, these rollers respectively only with above-mentioned two guide rails in an independent contact matching of guide rail.
2, a kind of linear reciprocating mechanism according to claim 1, it is characterized in that being provided with two centrifugal force type equilibrium blocks that rotation direction is opposite, they each rotate synchronously with one of them gear respectively, the direction of making a concerted effort of the centrifugal inertia force that described equilibrium block produces is opposite with the direction of making a concerted effort of the reciprocal inertia force that mechanism all reciprocating parts are produced.
3, a kind of linear reciprocating mechanism according to claim 2 is characterized in that described two equilibrium blocks are separately positioned on two gears.
4, a kind of linear reciprocating mechanism according to claim 2 is characterized in that described equilibrium block is made up of some little equilibrium blocks.
5, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that described guide rail is straight line type or V-type or curved.
6, a kind of linear reciprocating mechanism according to claim 5, the transverse section that it is characterized in that described guide rail are straight wire, rectangular-shaped, trapezoid shaped or circular shape.
7, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that the quantity of the roller of suit on described each handle pin is two or three.
8, a kind of linear reciprocating mechanism according to claim 7 is characterized in that the external diameter of described each roller equates.
9, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that respectively being furnished with one in the both sides of described guide rail overlaps guide rod, piston or slide block.
10, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that described guide rod and piston or slide block are structure as a whole or are fastenedly connected or are articulated and connected.
11, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that described guide rod and reversing gear bracket are structure as a whole or are fastenedly connected or are articulated and connected.
12, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that being set with guide pin bushing on the described guide rod, and guide pin bushing and guide rod are slidingly matched.
13, a kind of linear reciprocating mechanism according to claim 1 and 2 is characterized in that being set with Sealing on the described guide rod, and Sealing and guide rod are sealed and matched.
14, a kind of purposes of linear reciprocating mechanism can be used to make compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, reciprocating screen, back and forth pin spins head, back and forth feeding and material discharge device.
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| CN2009101861098A CN101672257B (en) | 2009-09-24 | 2009-09-24 | Linear reciprocating motion mechanism |
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| CN2009101861098A CN101672257B (en) | 2009-09-24 | 2009-09-24 | Linear reciprocating motion mechanism |
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| CN105089782A (en) * | 2014-05-05 | 2015-11-25 | 龙全洪 | Straight rod internal combustion engine |
| CN105840308A (en) * | 2016-04-18 | 2016-08-10 | 安里千 | Sliding chute and crankshaft linked engine transmission mechanism |
| CN107476947A (en) * | 2017-09-30 | 2017-12-15 | 京华派克邯郸机械科技有限公司 | A kind of actuated by cams formula fluid power plant |
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| CN109083825A (en) * | 2018-07-16 | 2018-12-25 | 滁州天陆泓机械有限公司 | A kind of light-weight driven compressor mechanism |
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| CN105840308A (en) * | 2016-04-18 | 2016-08-10 | 安里千 | Sliding chute and crankshaft linked engine transmission mechanism |
| CN107476947B (en) * | 2017-09-30 | 2023-06-09 | 京华派克邯郸机械科技有限公司 | Cam-driven fluid power device |
| CN107476947A (en) * | 2017-09-30 | 2017-12-15 | 京华派克邯郸机械科技有限公司 | A kind of actuated by cams formula fluid power plant |
| CN107745538A (en) * | 2017-11-16 | 2018-03-02 | 建始惠万农生物科技有限公司 | A kind of straw collecting car |
| CN109083825A (en) * | 2018-07-16 | 2018-12-25 | 滁州天陆泓机械有限公司 | A kind of light-weight driven compressor mechanism |
| CN109763894A (en) * | 2018-12-24 | 2019-05-17 | 刘法锐 | A kind of symmetrical link engine piston crank mechanism |
| CN111322220A (en) * | 2020-03-04 | 2020-06-23 | 吉林化工学院 | Rotary rail type reciprocating piston compressor |
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| CN112588559A (en) * | 2020-11-26 | 2021-04-02 | 德清恒凌五金有限公司 | Sieving mechanism is used in hardware processing |
| CN113617568A (en) * | 2021-08-26 | 2021-11-09 | 云南国钛金属股份有限公司 | Automatic dredging device for chlorine spray gun of fused salt chlorination furnace |
| CN113617568B (en) * | 2021-08-26 | 2023-01-24 | 云南国钛金属股份有限公司 | Automatic dredging device for chlorine spray gun of fused salt chlorination furnace |
| CN114718720A (en) * | 2022-03-17 | 2022-07-08 | 刘平 | Multi-straight-rod piston transmission mechanism |
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| CN101672257B (en) | 2012-05-02 |
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