CN102022307A - Pump driving device - Google Patents
Pump driving device Download PDFInfo
- Publication number
- CN102022307A CN102022307A CN201010284411XA CN201010284411A CN102022307A CN 102022307 A CN102022307 A CN 102022307A CN 201010284411X A CN201010284411X A CN 201010284411XA CN 201010284411 A CN201010284411 A CN 201010284411A CN 102022307 A CN102022307 A CN 102022307A
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- moving body
- card
- mentioned
- fulcrum
- pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M17/00—Apparatus for the destruction of vermin in soil or in foodstuffs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
Abstract
The invention provides a pump driving device. Currently, a known technology is as follows: a reciprocating driving type pump is installed in a soil disinfection device, while driving by a wobble crank, an adjusting rod linked with a wobbling pivot is operated in sliding, thereby quickly changing an extrusive quantity, but a problem that a pivot position of the wobbling pivot cannot be correctly returned to an original pivot position when returning back to an original extrusive quantity after changing the extrusive quantity is caused. In the pump driving device of the invention, the adjusting rod (44) comprises a first moving body (54) which slides along length direction of the wobble crank (40) and can be locked with a locking body (56)at a multi-stage position, and a second moving body (55) which slides along the first moving body (54) and can be locked with the first moving body (54) at a non-stage position, moreover, a pivot cam (41) is linked with one end of the second moving body (55), and the other end of the second moving body (55) is provided with a rod operating part (57).
Description
Technical field
The present invention relates to be used for the reciprocal driving pumps such as diaphragm type soup rear pump of soil desinfection machine, its spray volume can be changed to the pump drive of specified value in the short time, in case particularly relate to possess the change spray volume after, can correctly return the pump drive that returns structure of former spray volume.
Background technique
At present, known have a kind of structure: reciprocal driving pumps such as diaphragm type soup rear pump are installed in the soil disinfection apparatus that is installed on tractor or supervisor.The driving of this reciprocal driving pump is known a kind of technology: an end and the both-way movable bodies such as connecting rod that are arranged on the barrier film of wobble crank are linked, the other end of eccentric cam and this wobble crank is linked, this eccentric cam rotation is driven, make described wobble crank March motion of handle thus, and, length direction middle part at described wobble crank is provided with the swing fulcrum, adjustable lever and this swing fulcrum are linked, by this adjustable lever of length direction slide along wobble crank, thereby promptly move the position of described swing fulcrum, change the amplitude up and down reciprocatingly of described both-way movable body, spray volume is changed to specified value (for example with reference to patent documentation 1) at short notice.
According to this technology, carry out during running in before operation under the situation of the exhaust that waits in the drug liquid tube or the affirmation of regular event etc., can make described reciprocal driving pump change to the maximum spout output at short notice, like this, the bolt shank that links with this swing fulcrum need not be repeatedly rotated in order to move described swing fulcrum, the shortening of activity duration or alleviating of worker's load can be realized preparing.In addition, even when in operation, thinking to change spray volume suddenly, in the time of maybe will ending the ejection of only specific reciprocal driving pump, can change spray volume at short notice, can not carry out too insufficiently supplying with, can realize the increase of yielding of crop or the raising of quality to the soup of soil.
Patent documentation 1: TOHKEMY 2007-303279 communique
In above-mentioned technology, by former spray volume (below, be called " benchmark spray volume ") change to the spray volume of regulation, after finishing the operations such as affirmation that wait exhaust or regular event in the drug liquid tube, return the benchmark spray volume, in the position that spray volume utilizes dial to read in advance before changing and swings the pointer of fulcrum binding, after operation is finished, the slide adjustable lever reads the position so that pointer returns this.
But, even for example make adjustable lever return the position of reading, since the pointer offset that the vibration etc. in the operation causes, the scale on the dial read error or read error etc., and the position of the fulcrum that can not make the swing fulcrum that links with adjustable lever correctly return before changing former position of the fulcrum of spray volume (below, be called " benchmark position of the fulcrum "), produce error on spray volume, minimizing or the quality that consequently has the yielding of the crop that the inequality that causes the soup effect causes reduce, and this problem of increase of the soup cost that too much causes of soup.
Summary of the invention
The problem that the present invention will solve the following describes the method that is used to solve this problem as mentioned above.
Promptly, first aspect present invention provides a kind of pump drive, one end of wobble crank is linked with the both-way movable body that drives reciprocal driving pump, the other end of eccentric cam and this wobble crank is linked, this eccentric cam is driven in rotation, make described wobble crank do crank-motion thus, and the length direction middle part at described wobble crank is provided with the swing fulcrum, adjustable lever and this swing fulcrum are linked, with the length direction slide of this adjustable lever along wobble crank, can move the position of described swing fulcrum thus rapidly, wherein, described adjustable lever possesses: first moving body, and its length direction along described wobble crank slides, and can end the body card with card in multistage position and end; Second moving body, it slides along this first moving body, and can end with this first moving body card in stepless position, and the end binding of described swing fulcrum and this second moving body is provided with the bar operation unit at the other end of second moving body.
In the second aspect, described first moving body and second moving body are made inside and outside two layers of tubular construction that can be disposed at slidably mutually on the concentric shafts.
In the third aspect, insert logical described second moving body in the inside of described first moving body, and, the periphery of first moving body be provided with integratedly can with described card end that the body card ends by hooking part.
In the fourth aspect, on the periphery of described first moving body, be provided for inferring with block that body card only ends by the mark of the position of hooking part.
The present invention is aforesaid structure, play below shown in effect.
Promptly, in first aspect, can be positioned first moving body that card ends body by combination multistagely, can infinitely be positioned second moving body of this first moving body, the position of the fulcrum that can make spray volume swing fulcrum before changing is that the benchmark position of the fulcrum correctly ends the card stop bit that the body card ends corresponding to first moving body to card and puts, even after changing at spray volume, as long as the pull bar operation unit is operated, the first moving body card is only put at former card stop bit, just make the swing fulcrum return the benchmark position of the fulcrum rapidly and correctly, prevent from producing mistake aspect the spray volume of spray volume after before changing, can not produce the inequality of soup effect, the increase of the yielding of realization crop or the raising of quality, and can not make soup too much, can realize the reduction of soup cost.
In second aspect, described adjustable lever can be made compact structure, can improve operability, the maintenance of adjustable lever.
In the third aspect, do not need to design by hooking part with first moving body split ground, can reduce number of spare parts, can realize the reduction of cost of parts and the raising of maintenance.
In fourth aspect, even be hidden under the situation that grade can not be confirmed in the card body at all, also can hold by the position of hooking part with the described target that is labeled as by hooking part, can reliably first moving body be limited to former card stop bit and put.
Description of drawings
Fig. 1 is that the overall plan view that the integral body of the tractor of soil desinfection machine of the present invention constitutes has been installed in expression;
Fig. 2 is the stereogram of the soup injection portion of soil desinfection machine;
Fig. 3 is the side part sectioned view of diaphragm type soup rear pump;
Fig. 4 is the plane part sectioned view of diaphragm type soup rear pump;
Fig. 5 is the front part sectioned view of diaphragm type soup rear pump;
Fig. 6 is the exploded view of adjustable lever.
Symbol description
28 pump drives
29 diaphragm pumps (reciprocal driving pump)
37 connecting rods (both-way movable body)
40 wobble cranks
41 fulcrum cams (swing fulcrum)
42 eccentric cams
44 adjustable levers
54 first moving bodys
The 54c card ends recess (by hooking part)
The 54d mark
55 second moving bodys
56 cards end body
57 bar operation units
Embodiment
At first, be that the overall structure of tractor 2 describes according to Fig. 1～Fig. 3 to the soil desinfection machine 1 that possesses pump drive of the present invention, vehicle that this soil desinfection machine 1 is installed.In addition, the direction of representing with arrow F of Fig. 1 is made as the direction of advance of tractor 2, each component locations described below or direction etc. are benchmark with this direction of advance.
The assembly department 2b that this tractor 2 links by moving vehicle 2a, with the rear portion of this moving vehicle 2a constitutes, in the front portion of this moving vehicle 2a and the rear portion respectively suspension front- wheel 3,3 and trailing wheel 4,4 are arranged.
And, in the hood 5 of this moving vehicle 2a front portion, be mounted with motor, storage battery 6 etc., and, be equipped with the driver's seat 8 that the worker takes one's seat at the more rear of this steering wheel 7 at this hood 5 rears configuration steering wheel 7.On lateral column 9L, the 9R of two sides of this driver's seat 8, be equipped with various operation utensils such as main shift lever, PTO speed change lever, be equipped with pin accelerator pedal, left and right sides brake petal, main clutch pedal etc. in the underfooting in these driver's seat 8 the place aheads.
In addition, it constitutes above-mentioned assembly department 2b, is made of top ring 10, pairing left and right bottom ring 11,11 etc., and various working machines can link with this top ring 10, bottom ring 11,11 and draw.In addition, can be cultivator etc. also as the vehicle of above-mentioned soil desinfection machine 1, and be not limited to this tractor 2.
In addition, the above-mentioned soil desinfection machine 1 soup injection 1b of portion that injects soup by the soup supply unit 1a of supply of chemical, in soil constitutes.And, for the soup injection 1b of portion wherein, at front end top ring bar 12,12 is set, the rear portion of the top ring 10 of the upper end of this top ring bar 12,12 and the assembly department 2b of above-mentioned tractor 2 links, on the other hand, the front end that links fixed bearing bar 13,13 in the lower end of top ring bar 12,12 is in the rear end that links above-mentioned bottom ring 11,11 from the front end of this supporting rod 13,13 to prominent left and right pins 14,14 head lamp brush guard pivots of establishing of foreign side.
And, can be via such top ring 10, bottom ring 11,11, top ring bar 12,12, the soup injection 1b of portion of soil desinfection machine 1 is linked supporting with the assembly department 2b of tractor 2 reliably draw.
Be set with rearward the plane of opening in the back of above-mentioned supporting rod 13,13 and see rectangular-shaped scaffold 15, between the rear portion of arm 15a, 15a about this scaffold 15, rotate ground axle suspension seaming roll 16 freely, the soil after the roll extrusion soup injects.
In addition, be located at link press span and be equipped with a plurality of soups every certain intervals on the 15b of frame linking portion between the front end of above-mentioned arm 15a, 15a and inject pawls 17,17..., the back side of injecting pawl 17,17... at this soup sets soup injection nozzle 18,18... with can setting prescribed depth.
At above-mentioned soup supply unit 1a, the plane of front openings sees that the rear end of the bearing support 19 of コ word shape is installed in the front portion of above-mentioned moving vehicle 2a, and, be installed with liquid medicinal case mounting table 20,20 above the front portion of this bearing support 19, upload in this liquid medicinal case mounting table 20,20 and be equipped with liquid medicinal case 21,21.
In addition, crossbearer has support plate 22 on above-mentioned bearing support 19, is installed with above-mentioned soup to inject nozzle 18,18... soup rear pump 23, the 23... with quantity on this support plate 22.This soup rear pump 23,23... respectively are provided with two respectively at pump unit, left and right sides 63L, 63R in the present embodiment, and this pump unit 63L, 63R are at the dead astern left and right directions of above-mentioned liquid medicinal case 21,21 and establish.And, between this pump unit 63L, 63R, connection shaft 64 is set, interlock between the live axle 50 of separately soup rear pump 23 is linked, be used to the motor power of the motor 24a in the motor field frame 24 that is attached to left pump unit 63L, can drive four soup rear pumps 23,23... simultaneously.
This soup rear pump 23,23... have as the diaphragm pump 29 of reciprocal driving pump and drive the pump drive 28 of this diaphragm pump 29, and this pump drive 28 is driven by above-mentioned live axle 50.In addition, the driving source of this live axle 50 is that the driving of above-mentioned motor 24a, the switch 25a of motor switch dish 25 that stops to be equipped on by switching manipulation the lateral column 9R of above-mentioned driver's seat 8 right side sides carry out.In addition, this soup supply unit 1a also can be disposed at the rear portion of tractor 2, and its allocation position does not limit especially.
And these soup rear pumps 23,23... and liquid medicinal case 21,21... are communicated with via suction pipe 26,26..., and soup rear pump 23,23... and above-mentioned soup inject nozzle 18,18... is communicated with via spraying pipe 27,27....In addition, above-mentioned soup supply unit 1a also can be disposed at the rear portion of tractor 2, and its allocation position is not particularly limited.
Below, utilize Fig. 3～Fig. 5 that the structure of pump drive 28 of the present invention is described.Wherein, the structure of 4 soup rear pumps 23 is roughly the same, so only the soup rear pump 23 in the left side of the left pump unit 63L that sets up motor field frame 24 is described all the other omissions.
Pump drive 28 is arranged in the pump drive shell 30 of above-mentioned soup rear pump 23, links interlocks with the diaphragm pump 29 of the reciprocal driving pump on the top of a side that is arranged at this pump drive shell 30.In addition, as pump, can not diaphragm type also, but plunger type, so long as back and forth driving, be not particularly limited.
In above-mentioned diaphragm pump 29, the barrier film 35 that constitutes by up and down parts 35a, 35b by valve seat member 33 and barrier film assembly 34 from gripping up and down, establish from valve seat member 33 wherein is prominent upward with suction port 31 that is communicated with in the barrier film 35 and ejiction opening 32, this suction port 31 is connected with spraying pipe 27 with above-mentioned suction pipe 26 respectively with ejiction opening 32.
On the other hand, from the central lower of above-mentioned barrier film 35 connection pin 36 that hangs down, both-way movable body is that connecting rod 37 links with this connection pin 36, and insert in the said pump drive shell 30 bottom of this connecting rod 37.
In addition, in said pump drive unit 28, connecting rod 37 lower ends of this diaphragm pump 29 by the end top of pivot suspension in wobble crank 40, utilize retainer 38 to prevent to come off via pivot fulcrum 39.On this wobble crank 40, offer slotted hole 40a in diaphragm pump 29 sides, offer ellipticity hole 40b in motor 24a side, insert fulcrum cam 41 in the above-mentioned slotted hole 40a therein as the swing fulcrum, in above-mentioned ellipticity hole 40b, insert eccentric cam 42.
Above-mentioned fulcrum cam 41 forms discoid, and central authorities connect connection shaft 43, rotates freely pivot suspension by this connection shaft 43 and.And the right part of this connection shaft 43 is inserted in the pilot hole 30a that wears on the said pump drive shell 30 to the slotted hole shape.On the other hand, be formed with large-diameter portion 43a,, penetrate the top that is fixed with adjustable lever 44 orthogonally with the axle center of connection shaft 43, and pointer 48 is installed at the left end of this large-diameter portion 43a at this large-diameter portion 43a in the left part hole enlargement of connection shaft 43.And, this pointer 48 be inserted in said pump drive shell 30 left surface slotted hole shape in the pilot hole 30b that wears, simultaneously along this pilot hole 30b, also be installed with dial 47 at the left surface of pump drive shell 30, it is provided with the scale 47a of the position that is used to read above-mentioned pointer 48.In addition, above-mentioned pilot hole 30a, 30b be configuration in parallel to each other about pump drive shell 30, and also disposes abreast with above-mentioned adjustable lever 44.
And, inserting above-mentioned live axle 50 at the axis central part of above-mentioned eccentric cam 42, this live axle 50 utilizes key 51 not link with the relative rotation.In addition, the eccentric cam 42 outer axle collars 52 that are embedded with, via this axle collar 52, eccentric cam 42 is being supported in the 40b of the ellipticity hole of above-mentioned wobble crank 40 free sliding, and the chimeric fixed component 53,53 that ring-type is arranged in the bi-side of the axle collar 52, thus, the above-mentioned eccentric cam 42 and the axle collar 52 are fixed in the mode of not deviating from the wobble crank 40.
Foreign side is outstanding left from pump drive shell 30 to have connected the left-hand end of live axle 50 of eccentric cam 42, link the not shown output shaft of the above-mentioned motor 24a that the left surface that is fixedly arranged on pump drive shell 30 is arranged at this protruding terminus, motor power from motor 24a to live axle 50 that can transmit from.
In this structure, when when the above-mentioned adjustable lever 44 of the length direction push-and-pull of wobble crank 40 carries out slide, when the large-diameter portion 43a of connection shaft 43 that is fixed in the top of this adjustable lever 44 is led by above-mentioned pilot hole 30a, 30b, promptly the length direction along wobble crank 40 slides, simultaneously, the above-mentioned fulcrum cam 41 by connection shaft 43 supportings also moves at short notice.
After moving this fulcrum cam 41, when the above-mentioned switch 25a of open operation drive motor 24a, above-mentioned live axle 50 is driven in rotation, eccentric cam 42 rotations.So, one end of the wobble crank 40 that slips with the periphery of this eccentric cam 42 pumps, the other end of wobble crank 40 is that fulcrum pumps with above-mentioned fulcrum cam 41 also, thereupon, also pump via the above-mentioned barrier film 35 of connecting rod 37 with the other end binding of wobble crank 40.Thus, the valve that is arranged in suction port 31 and the ejiction opening 32 opens and closes, and soup suction action and ejection action alternate repetition carry out.
At this moment, when the fulcrum cam 41 that becomes the swing fulcrum is moved, the amplitude up and down reciprocatingly that can realize pivot fulcrum 39 sides increases, the amount of liquid medicine that is inhaled in the barrier film 35 increases, and spray volume also increases, and is opposite, when making the fulcrum cam 41 that becomes the swing fulcrum when eccentric cam 42 separates, the amplitude up and down reciprocatingly that can realize pivot fulcrum 39 sides shortens, and the amount of liquid medicine that sucks in the barrier film 35 reduces, and spray volume also reduces.
Below, to the structure of above-mentioned adjustable lever 44 with return the structure of returning of benchmark position of the fulcrum, utilize Fig. 3～Fig. 6 to describe.
Be connected and fixed guide rod 46 in the anterior left comer portion of said pump drive shell 30 by bolt 62,62 up and down, the middle part of above-mentioned adjustable lever 44 inserted be embedded in the boss part 46a that has the axle center in this guide rod 46 along fore-and-aft direction.And this adjustable lever 44 comprises: with the mode of joining with above-mentioned boss part 46a carry out the tubulose of interpolation first moving body 54, in insert in this first moving body 54 and be disposed at the second shaft-like moving body 55 on the concentric shafts, be arranged on the bar operation unit 57 of the rear end of this second moving body 55.
The inside of first moving body 54 therein from after be formed with in order occupy the most big of first moving body 54 and long big footpath hole 54a, than this big footpath hole 54a little and lack and possess the screw section footpath tapped hole 54b.In addition, the external diameter of first moving body 54 roughly directly forms together with the boss hole 46d of the boss part 46a that is arranged at above-mentioned guide rod 46, and periphery upper side at first moving body 54, in the upper wall portions of first moving body 54, the card that separates predetermined distance ground and be 5 mortar shapes in multistage position is formed with a plurality of, present embodiment ends recess 54c.And ending the mode of the substantial middle of recess 54c by this card, separating predetermined distance ground in the periphery of first moving body 54, to form in a plurality of, the present embodiment at fore-and-aft direction be the mark 54d of 5 annular groove shapes.
On above-mentioned second moving body 55 from after be formed with in order the 55a of footpath portion, than 55a of footpath portion is thick in this large-diameter portion 55b, with above-mentioned in the 55a of footpath portion roughly with footpath and the long middle footpath 55c of portion, with this in the 55c of footpath portion roughly with the footpath and short and possess the screw section middle footpath screw section 55d, and than external diameter screw section 55d in this carefully and with the tapped hole 57a of above-mentioned bar operation unit 57 directly the 55e of small-diameter thread portion together roughly.
In adjustable lever 44 of the present invention, in the hole 54a of the big footpath of first moving body 54, insert second moving body 55 that the 55e of small-diameter thread portion is made as the top, screw section, the middle footpath 55d screw thread of second moving body 55 is screwed into the middle footpath tapped hole 54b of first moving body 54 and forwards outstanding, on this basis, by trimming bolt 58 is chimeric with the protuberance screw thread that is somebody's turn to do middle footpath screw section 55d, make second moving body 55 and 54 fastening connections of first moving body.In addition, the 55e of the small-diameter thread portion screw thread at the top of footpath screw section 55d in above-mentioned is screwed into the tapped hole 57a of bar operation unit 57 and forwards outstanding, on this basis, by fixing bolt 59 is chimeric with the protuberance screw thread of the 55e of this small-diameter thread portion, stepped part 55f in 57 pushings of bar operation unit between footpath screw section 55d and the 55e of small-diameter thread portion is with 55 fastening connections of second moving body.
On the other hand, to end body 56 by the card that inserts with the boss part 46a quadrature of above-mentioned guide rod 46 fixing for this adjustable lever 44.This card ends body 56 and is screwed into this sphere shank 56a and is ended protuberance 56d by set screw nut 56b, 56b up and down and the fastening screw section 56c that connects of spherical shank 56a, the cone shape card that is formed at the top of this screw section 56c by spherical shank 56a, screw thread and constitute, and is equipped with fixed hole 46b on the top of the boss part 46a of above-mentioned guide rod 46 along radial direction.
In aforesaid structure, when returning the benchmark position of the fulcrum after the exhaust that in carrying out drug liquid tube, waits or the operations such as affirmation of regular event, in a word, at first, before operation, slide by first moving body 54 that makes adjustable lever 44, it is fixing to end body 56 at assigned position and card, set benchmark position of the fulcrum substantially thus, then, rotate by second moving body 55 that makes adjustable lever 44, at the fastening connection trimming bolt 58 of assigned position, thus the said reference position of the fulcrum is finely tuned, on adjustable lever 44, write down the tram.And, only take off above-mentioned card and end body 56 and carry out above-mentioned operation.After the operation,, just can make fulcrum cam 41 correctly return the benchmark position of the fulcrum, can correctly spray with former spray volume as long as first moving body 54 of adjustable lever 44 returned and block the original position that body 56 cards only end.
In detail, control the bar operation unit 57 of above-mentioned adjustable lever 44, the boss hole 46d that first moving body 54 is inserted guide rod 46 slides, make adjustable lever 44 to fulcrum cam 41 slides, simultaneously, control above-mentioned card and end the spherical shank 56a of body 56, by blocking the fixed hole 46b that the screw section 56c that ends body 56 is screwed into guide rod 46, the card that can make the card of the regulation that is in first moving body 54 in the boss hole 46d end recess 54c and 56c top, this screw section ends protuberance 56d card and ends, make first moving body 54 relatively card end protuberance 56d and only can block in multistage position.
Then, make under the bar operation unit 57 rotating states unclamping trimming bolt 58, controlling this bar operation unit 57 rotates, rotate in the middle footpath tapped hole 54b of first moving body 54 by the middle footpath screw section 55d that makes second moving body 55, second moving body 55 is moved to the fulcrum cam 41 that is in the benchmark position of the fulcrum, the middle footpath 55a of portion of the rear end of second moving body 55 is engaged with the large-diameter portion 43a of linking department 43.Thereafter, the trimming bolt 58 that unclamps when fastening connection, when being fixed on second moving body 55 on first moving body 54, be fixed to ending the length (below, be called " datum length ") 61 that regulation card that body 56 cards end ends recess 54c with card from the fulcrum cam 41 that is in the benchmark position of the fulcrum.Like this, second moving body, 55 relative first moving bodys 54 can be ended at stepless position card.
And, when carrying out the operations such as affirmation of the exhaust that waits in the drug liquid tube or regular event, unclamp the only screw section 56c of body 56 of card, after ending recess 54c and take off from the card of first moving body 54, push-and-pull adjustable lever 44 carries out slide.After the above-mentioned operation, use the above-mentioned adjustable lever 44 that has write down datum length, the boss hole 46d that first moving body 54 of this adjustable lever 44 is inserted guide rods 46 slides, and makes the card of the regulation of first moving body 54 end card that recess 54c ends body 56 with card again and ends protuberance 56d card and end.Thus, reproduce datum length 61 rapidly, the card stop bit that can correctly make benchmark position of the fulcrum and first moving body 54 end body 56 to card is put corresponding, can make the position of fulcrum cam 41 return the benchmark position of the fulcrum rapidly and correctly.
By possessing this structure of returning, even for example be between each scale 47a of dial 47 because of the benchmark position of the fulcrum, the situation of the position of reading pointer 48 fully in dial 47 also can make fulcrum cam 41 return correct benchmark position of the fulcrum.In addition, making adjustable lever 44 when fulcrum cam 41 slides, be provided with as above-mentioned mark 54d, is target with this mark 54d, can confirm that card that card ends body 56 ends protuberance 56d and whether ends recess 54c card with the card of regulation and end.
In addition, under the state that has unclamped above-mentioned trimming bolt 58, when the middle footpath screw section 55d of second moving body 55 is rotated in the middle footpath tapped hole 54b of first moving body 54, anti-turn bolt 60,60 before and after being provided with on the boss part 46a of guide rod 46 is not so that first moving body 54 rotates with second moving body, 55 interlocks.On this boss part 46a with the opposed mode of said fixing hole 46b, anti-rotation hole 46c, 46c before and after radial direction is equipped with, screw section 60a, the 60a of above-mentioned anti-turn bolt 60,60 is screwed into this anti-rotation hole 46c, 46c.
And the top of this screw section 60a, 60a is connected to the outer circumferential face that ends recess 54c opposition side with above-mentioned card by first moving body 54 in the boss hole 46d, thus, can prevent the interlock rotation of first moving body 54.In addition, in the present embodiment, the outer circumferential face of first moving body 54 of the top butt of screw section 60a, 60a still is a curved surface, but also can be processed into the plane by a outer peripheral portion with butt, area of contact with the top of screw section 60a, 60a is increased, rotational resistance is increased, as long as prevent the interlock rotation of first moving body 54 reliably, then the shape of abutment portion, structure do not limit especially.
Promptly, is that connecting rod 37 links with an end of wobble crank 40 with the both-way movable body that to drive reciprocal driving pump be diaphragm pump 29, the other end of eccentric cam 42 with this wobble crank 40 linked, these eccentric cam 42 rotations are driven, thereby make above-mentioned wobble crank 40 do crank-motion, and be provided as the fulcrum cam 41 of swing fulcrum at the length direction middle part of above-mentioned wobble crank 40, adjustable lever 44 and this fulcrum cam 41 are linked, by making the length direction slide of this adjustable lever 44 to wobble crank 40, in the pump drive 28 of the position that can move above-mentioned fulcrum cam 41 rapidly, above-mentioned adjustable lever 44 possesses first moving body 54, its length direction at above-mentioned wobble crank 40 slides, and can end body 56 cards with card in multistage position and end; Second moving body 55, it slides along this first moving body 54, can end with these first moving body, 54 cards in stepless position, and, the end of above-mentioned fulcrum cam 41 with this second moving body 55 linked, the other end at second moving body 55 is provided with bar operation unit 57, therefore, can be positioned first moving body 54 that card ends body 56 by combination multistagely, with second moving body 55 that can infinitely be positioned this first moving body 54, the position of the fulcrum that can make spray volume fulcrum cam 41 before changing be the benchmark position of the fulcrum correctly with first moving body 54 to card end that body 56 cards end the card stop bit put corresponding, even spray volume after changing, as long as operating, pull bar operation unit 57 make first moving body 54 and former card stop bit only put card, just make fulcrum cam 41 return the benchmark position of the fulcrum rapidly and correctly, prevent from the spray volume of spray volume after before changing, to produce big error, there be not the inhomogeneous of soup effect, the increase of material yielding is done in realization, the raising of quality, and do not exist soup too much, can realize the reduction of soup cost.
In addition, therefore above-mentioned first moving body 54 and second moving body 55, can make above-mentioned adjustable lever 44 become compact structure for being disposed at the inside and outside two layers of tubular construction on the concentric shafts mutually slidably, can improve operability, the maintenance of adjustable lever 44.
And, insert logical above-mentioned second moving body 55 in the inside of above-mentioned first moving body 54, and be provided with integratedly and can be promptly blocked only recess 54c by hooking part with above-mentioned card ends that body 56 cards end in the periphery of first moving body 54, therefore, need not with 54 splits of first moving body card be set end recess 54c, number of components can be reduced, the reduction of component costs and the raising of maintenance can be realized.
And, on the periphery of above-mentioned first moving body 54, be provided for inferring with block that body 56 cards only end promptly blocked the only mark 54d of the position of recess 54c by hooking part, therefore, be hidden in only body 56 grades and under the situation about can't confirm of card even end recess 54c at card, can be that standard is held the position that card ends recess 54c also, first moving body 54 only can be blocked reliably and put at former card stop bit with above-mentioned mark 54d.
Utilizability on the industry
Pump drive of the present invention, except can being applied to illustrated soil disinfection machine, also can be in the production equipments such as chemical plant, be applied to carry in the driving of the diaphragm type of the high various liquid of corrosivity or the reciprocal driving pump of plunger type with correct spray volume.
Claims (4)
1. pump drive; Its end with wobble crank links with the both-way movable body that drives reciprocal driving pump; The other end of eccentric cam and this wobble crank is linked; This eccentric cam is driven in rotation; Make thus described wobble crank do crank-motion; And the length direction middle part at described wobble crank arranges the swing fulcrum; Adjusting rod and this swing fulcrum are linked; With the length direction slide of this adjusting rod along wobble crank; Can move rapidly thus the position of described swing fulcrum; It is characterized in that
Described adjustable lever possesses: first moving body, and its length direction along described wobble crank slides, and can end the body card with card in multistage position and end; Second moving body, it slides along this first moving body, and can end with this first moving body card in stepless position, and the end binding of described swing fulcrum and this second moving body is provided with the bar operation unit at the other end of second moving body.
2. pump drive as claimed in claim 1 is characterized in that, described first moving body and second moving body are made inside and outside two layers of tubular construction that can be disposed at slidably mutually on the concentric shafts.
3. pump drive as claimed in claim 1 or 2 is characterized in that, inserts logical described second moving body in the inside of described first moving body, and, the periphery of first moving body be provided with integratedly can with described card end that the body card ends by hooking part.
4. pump drive as claimed in claim 3 is characterized in that, on the periphery of described first moving body mark is set, this mark be used to infer with block that body card only ends by the position of hooking part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009212127A JP5400540B2 (en) | 2009-09-14 | 2009-09-14 | Pump drive |
| JP2009-212127 | 2009-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022307A true CN102022307A (en) | 2011-04-20 |
| CN102022307B CN102022307B (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010284411.XA Active CN102022307B (en) | 2009-09-14 | 2010-09-14 | Pump driving device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5400540B2 (en) |
| KR (1) | KR101697724B1 (en) |
| CN (1) | CN102022307B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587503A (en) * | 2015-01-22 | 2015-05-06 | 上海矢崎机械贸易有限公司 | Soil disinfection device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101633830B1 (en) * | 2015-08-11 | 2016-06-27 | (주)대아펌프 | Controller for engine pump |
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| JPH09317647A (en) * | 1996-05-27 | 1997-12-09 | Taki Noukougu Kk | Diaphragm type pump |
| JP2002317768A (en) * | 2001-04-18 | 2002-10-31 | Agri Techno Yazaki Kk | Pump driving device |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| JP2007028960A (en) * | 2005-07-25 | 2007-02-08 | Agritecno Yazaki Co Ltd | Soil disinfecting implement |
| JP2007303279A (en) * | 2006-05-08 | 2007-11-22 | Agritecno Yazaki Co Ltd | Pump drive device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0439199Y2 (en) * | 1986-06-10 | 1992-09-14 | ||
| JP3575491B2 (en) * | 1994-03-18 | 2004-10-13 | 日本パワーファスニング株式会社 | Thread depth adjustment device in screw feeder for driver tools |
| JP3085673B1 (en) * | 1999-06-04 | 2000-09-11 | 章 石川 | Support device |
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2009
- 2009-09-14 JP JP2009212127A patent/JP5400540B2/en active Active
-
2010
- 2010-08-31 KR KR1020100084712A patent/KR101697724B1/en active IP Right Grant
- 2010-09-14 CN CN201010284411.XA patent/CN102022307B/en active Active
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| JPH09317647A (en) * | 1996-05-27 | 1997-12-09 | Taki Noukougu Kk | Diaphragm type pump |
| JP2002317768A (en) * | 2001-04-18 | 2002-10-31 | Agri Techno Yazaki Kk | Pump driving device |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| JP2007028960A (en) * | 2005-07-25 | 2007-02-08 | Agritecno Yazaki Co Ltd | Soil disinfecting implement |
| JP2007303279A (en) * | 2006-05-08 | 2007-11-22 | Agritecno Yazaki Co Ltd | Pump drive device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587503A (en) * | 2015-01-22 | 2015-05-06 | 上海矢崎机械贸易有限公司 | Soil disinfection device |
| CN104587503B (en) * | 2015-01-22 | 2017-11-10 | 上海矢崎机械贸易有限公司 | Soil disinfection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110029074A (en) | 2011-03-22 |
| JP5400540B2 (en) | 2014-01-29 |
| KR101697724B1 (en) | 2017-01-18 |
| CN102022307B (en) | 2015-01-21 |
| JP2011058479A (en) | 2011-03-24 |
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