CN111120613A - Metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and metering pump - Google Patents
Metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and metering pump Download PDFInfo
- Publication number
- CN111120613A CN111120613A CN202010120560.6A CN202010120560A CN111120613A CN 111120613 A CN111120613 A CN 111120613A CN 202010120560 A CN202010120560 A CN 202010120560A CN 111120613 A CN111120613 A CN 111120613A
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- CN
- China
- Prior art keywords
- sliding block
- block frame
- connecting rod
- metering pump
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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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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- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
Abstract
The invention relates to the technical field of metering pump equipment, in particular to a metering pump transmission mechanism of an opposed slide block frame connecting rod and a metering pump, which comprise a transmission part, a motor, a pump body and a plunger, and further comprise: the sliding block frame connecting rod component comprises a left sliding block frame, a sliding block, a right sliding block frame and a sliding block connecting rod, the left sliding block frame and the right sliding block frame are symmetrically arranged through the sliding block connecting rod, and the sliding block is slidably arranged in the left sliding block frame and the right sliding block frame; the transmission component is connected with the slider frame connecting rod component through the connecting component; and the two groups of guide parts are oppositely arranged on two sides of the sliding block frame connecting rod part and perform reciprocating linear motion with the sliding block frame connecting rod part. The beneficial effects are that: the left sliding block frame and the right sliding block frame are symmetrically arranged, and the sliding blocks are in sliding fit between the left sliding block frame and the right sliding block frame, so that the reciprocating motion routes of the left guide part and the right guide part are on the same straight line; the connecting rod part of the sliding block frame has strong load bearing capacity and operates more stably.
Description
Technical Field
The invention relates to the technical field of metering pump equipment, in particular to a metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and a metering pump.
Background
The metering pump is composed of a power end and a hydraulic end. The power end drives the plunger piston to do reciprocating motion through the crank connecting rod mechanism, and the stroke flow is changed through the N-shaped shaft adjusting mechanism; the power end transmission mechanism consists of a motor, a motor bracket, a transmission case (containing a worm gear pair, a crank link mechanism and a stroke adjusting mechanism), a pump head bracket and the like.
In the field of metering pump delivery, in order to achieve delivery of higher flow rates and higher pressures, opposed double-ended metering pumps are commonly used. The reciprocating motion routes of the big end of a connecting rod and the small end of the connecting rod of the existing opposite metering pump are not on the same straight line, so that the thrust of the pump is not on the same straight line, and the inherent big defect of the metering pump is caused.
Disclosure of Invention
The invention aims to provide a metering pump transmission mechanism with oppositely-arranged slide block frames and connecting rods and a metering pump, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a metering pump transmission mechanism of opposed slide block frame connecting rods comprises:
the sliding block frame connecting rod component comprises a left sliding block frame, a sliding block, a right sliding block frame and a sliding block connecting rod, the left sliding block frame and the right sliding block frame are symmetrically arranged through the sliding block connecting rod, and the sliding block is slidably arranged in the left sliding block frame and the right sliding block frame;
the transmission component is connected with the sliding block frame connecting rod component through the connecting component and drives the sliding block frame connecting rod component to work through the connecting component; and
the two groups of guide parts are oppositely arranged on two sides of the sliding block frame connecting rod part and are used for synchronously doing reciprocating linear motion when the sliding block in the sliding block frame connecting rod part pushes the left sliding block frame and the right sliding block frame to move.
As a further scheme of the invention: adapting unit includes N shape axle, sleeve shaft, eccentric wheel and eccentric wheel bush, the eccentric wheel is connected with N shape axle and sleeve shaft, drive disk assembly installs on the sleeve shaft, the eccentric wheel is formed by two semicircle wheel concatenations, the eccentric wheel bush is used for fixed eccentric wheel, eccentric wheel bush microcephaly excircle and slider hole sliding connection, the eccentric wheel agrees with N shape axle.
As a still further scheme of the invention: the sleeve shaft is connected with the eccentric wheel in a cross manner.
As a still further scheme of the invention: the guide part comprises a guide shaft and a guide sleeve, the guide sleeve is fixed on the metering pump box body, the guide sleeve is guided by the guide shaft in a reciprocating sliding mode, and the guide shaft is respectively installed on the side portions of the left sliding block frame and the right sliding block frame.
As a still further scheme of the invention: the transmission part comprises a worm wheel and a worm, the worm is arranged on an output shaft of the external motor, the external motor drives the worm wheel to rotate through the worm, and the worm wheel is connected with the sleeve shaft in a key joint or a pin joint mode.
As a still further scheme of the invention: the transmission part is a worm gear group, and the external motor drives the connection part to work through the worm gear group.
The invention provides another scheme that: the utility model provides a metering pump of opposed formula slider frame connecting rod, includes motor, transmission box and two hydraulic ends, still includes as above arbitrary metering pump drive mechanism of opposed formula slider frame connecting rod, the transmission box symmetry is provided with two pump heads, two hydraulic end are connected with guide part, the motor provides power.
Compared with the prior art, the invention has the beneficial effects that: the left sliding block frame and the right sliding block frame are symmetrically arranged, and the sliding blocks are in sliding fit between the left sliding block frame and the right sliding block frame, so that the reciprocating motion routes of the left guide part and the right guide part are on the same straight line; by adopting double pump heads, the connecting rod part of the sliding block frame has strong load bearing capacity and operates more stably.
Drawings
FIG. 1 is a schematic structural diagram of a metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods;
fig. 2 is a cross-sectional view of a metering pump drive mechanism with opposed slider frame links.
In the drawings: 1-left slide block frame, 2-slide block, 3-right slide block frame, 4-slide block connecting rod, 5-guide shaft, 6-guide sleeve, 7-N-shaped shaft, 8-sleeve shaft, 9-worm wheel, 10-worm, 11-eccentric wheel and 12-eccentric wheel bush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, in an embodiment of the present invention, a metering pump transmission mechanism of an opposed slider-frame connecting rod includes:
the sliding block frame connecting rod component comprises a left sliding block frame 1, a sliding block 2, a right sliding block frame 3 and a sliding block connecting rod 4, wherein the left sliding block frame 1 and the right sliding block frame 3 are symmetrically arranged through the sliding block connecting rod 4, and the sliding block 2 is slidably arranged in the left sliding block frame 1 and the right sliding block frame 3;
the transmission component is connected with the sliding block frame connecting rod component through the connecting component and drives the sliding block frame connecting rod component to work through the connecting component; and the two groups of guide parts are oppositely arranged on two sides of the sliding block frame connecting rod part, and the guide parts are used for limiting and supporting the sliding block frame connecting rod part and are also used for synchronously doing reciprocating linear motion when the sliding block in the sliding block frame connecting rod part pushes the left sliding block frame and the right sliding block frame to move.
Specifically, the transmission part is driven to rotate by an external motor, the connecting part converts the rotating power of the transmission part into linear power to be transmitted to the sliding block frame connecting rod part, so that the sliding block 2 reciprocates relative to the left sliding block frame 1 and the right sliding block frame 3, and the guide part is driven to reciprocate. The guide parts are relatively arranged on two sides of the connecting rod part of the sliding block frame and move on the same straight line, so that the pulse is reduced, and the stability is provided.
Referring to fig. 2, in the embodiment of the present invention, the connecting component includes an N-shaped shaft 7, a sleeve shaft 8, an eccentric 11 and an eccentric bushing 12, the eccentric 11 is connected with the N-shaped shaft 7 and the sleeve shaft 8, the transmission component is mounted on the sleeve shaft 8, the eccentric 11 is formed by splicing two semicircular wheels, the eccentric bushing 12 is used for fixing the eccentric 11, a small-end outer circle of the eccentric bushing 12 is slidably connected with an inner hole of the sliding block 2, and the eccentric 11 is engaged with the N-shaped shaft 7.
Specifically, the N-shaped shaft 7 and the eccentric wheel 11 rotate compositely, the sleeve shaft 8 limits radial movement of the N-shaped shaft to drive the sliding block to move compositely, and the sliding block is eliminated from pushing one of the left sliding block frame and the right sliding block frame in combination with inner guiding of the left sliding block frame 1 and the right sliding block frame 3, so that the left sliding block frame and the right sliding block frame do reciprocating linear motion in the other direction.
Preferably, the sleeve shaft 8 and the eccentric wheel 11 are connected in a cross manner, so that the strength is high, and the pressure bearing capacity is higher.
Referring to fig. 1, in the embodiment of the present invention, the guide member includes a guide shaft 5 and a guide sleeve 6, the guide sleeve 6 is mounted on an external transmission case, and the guide shaft 5 is mounted on the side portions of the left slider frame 1 and the right slider frame 3, respectively.
The guide part comprises a guide shaft 5 and a guide sleeve 6, the guide sleeve 6 is fixed on the metering pump box body, the guide sleeve 6 is used for guiding the guide shaft 5 in a reciprocating sliding mode, and the guide shaft 5 is respectively installed on the side portions of the left sliding block frame and the right sliding block frame.
Specifically, the guide sleeve 6 limits the displacement of the guide shaft 5, so that when the left slider frame 1 and the right slider frame 3 move, the guide shafts 5 arranged on the two sides can only do linear motion.
Referring to fig. 2, in the embodiment of the present invention, the transmission component includes a worm wheel 9 and a worm 10, the worm 10 is mounted on an output shaft of an external motor, the external motor drives the worm wheel 9 to rotate through the worm 10, and the worm wheel 9 is keyed or pin-connected to the sleeve shaft 8.
Specifically, the worm wheel 9 is connected with the sleeve shaft 8 in a key or pin mode, the eccentric wheel and the sleeve shaft 8 rotate synchronously, and the N-shaped shaft 7 drives the sliding block 2 to move while rotating.
Preferably, the transmission part is a worm gear set, and the external motor drives the connecting part to work through the worm gear set.
Example two
The utility model provides a metering pump of opposed formula slider frame connecting rod, includes motor, transmission box and two hydraulic ends, still includes as above arbitrary metering pump drive mechanism of opposed formula slider frame connecting rod, the transmission box symmetry is provided with two pump heads, two hydraulic end are connected with guide part, the motor provides power.
Specifically, the motor directly or through the shaft coupling drive worm 10 rotatory, worm 10 drives worm wheel 9 and rotates, worm wheel 9 passes through the key pin with sleeve 8 and is connected fixedly, sleeve 8 is cross-connected with eccentric wheel 11, it is rotatory to finally drive eccentric wheel 11, N axle 7 and eccentric wheel 11 drive slider 2 rotatory, guiding axle 5 is spacing by uide bushing 6, unable rotation, slider 2 slides down in the direction of left slider frame, right slider frame, when having eliminated N axle 7 rotatory, left slider frame, right slider frame up and down stroke motion, therefore, guiding axle 5 can only make reciprocating linear motion in uide bushing 6 along with N axle 7's rotation under left slider frame, right slider frame's drive. The displacement of the plunger is controlled by adjusting the stroke of the N-shaped shaft 7, thereby adjusting the metered flow.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A metering pump transmission mechanism of an opposed slide block frame connecting rod comprises a transmission part; it is characterized by also comprising:
the sliding block frame connecting rod component comprises a left sliding block frame, a sliding block, a right sliding block frame and a sliding block connecting rod, the left sliding block frame and the right sliding block frame are symmetrically installed through the sliding block connecting rod, and the sliding blocks are installed in the left sliding block frame and the right sliding block frame in a sliding fit mode;
the transmission component is connected with the sliding block frame connecting rod component through the connecting component and drives the sliding block frame connecting rod component to work through the connecting component; and the two groups of guide parts are oppositely arranged on two sides of the sliding block frame connecting rod part and are used for synchronously reciprocating linear motion when the sliding block in the sliding block frame connecting rod part pushes the left sliding block frame and the right sliding block frame to move.
2. A metering pump drive for opposed slide frame connecting rods according to claim 1, wherein the connecting means comprises an N-shaft, a sleeve shaft, an eccentric wheel connected to the N-shaft and the sleeve shaft, the drive means being mounted on the sleeve shaft, the eccentric wheel being formed by two half-round wheels in a spliced arrangement, and an eccentric wheel bushing for securing the eccentric wheel, the eccentric wheel bushing being connected to the eccentric wheel, the eccentric wheel being fitted to the N-shaft.
3. A metering pump drive for opposed slide frame linkages as set forth in claim 2 in which said sleeve shaft is cross-connected to said eccentric.
4. The metering pump transmission mechanism with the opposed slide block frame connecting rods as claimed in claim 1, wherein the guide component comprises a guide shaft and a guide sleeve, the guide sleeve is fixed on the metering pump box body and is used for guiding the guide shaft in a reciprocating sliding manner, and the guide shaft is respectively arranged on the side parts of the left slide block frame and the right slide block frame.
5. The metering pump transmission mechanism for opposed slide block frame connecting rods as claimed in claim 2, wherein the transmission component comprises a worm wheel and a worm, the worm is mounted on an output shaft of an external motor, the external motor drives the worm wheel to rotate through the worm, and the worm wheel is mounted on the sleeve shaft in a keyed or pin joint mode.
6. The metering pump transmission mechanism with the opposed slide block frame connecting rods as claimed in claim 5, wherein the transmission part is a worm gear set, and an external motor drives the connection part to work through the worm gear set.
7. A metering pump of an opposed sliding block frame connecting rod comprises a motor, a transmission case body and double hydraulic ends, and is characterized by further comprising a metering pump transmission mechanism of the opposed sliding block frame connecting rod according to any one of claims 1 to 6, wherein the transmission case body is symmetrically provided with the double pump heads, the double hydraulic ends are connected with a guide component, and the motor provides power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010120560.6A CN111120613A (en) | 2020-02-26 | 2020-02-26 | Metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010120560.6A CN111120613A (en) | 2020-02-26 | 2020-02-26 | Metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120613A true CN111120613A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010120560.6A Pending CN111120613A (en) | 2020-02-26 | 2020-02-26 | Metering pump transmission mechanism with oppositely-arranged slide block frame connecting rods and metering pump |
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| CN (1) | CN111120613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318036A (en) * | 2020-11-16 | 2021-02-05 | 董继江 | Connecting device is separated with symmetry disc formula to machining |
-
2020
- 2020-02-26 CN CN202010120560.6A patent/CN111120613A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318036A (en) * | 2020-11-16 | 2021-02-05 | 董继江 | Connecting device is separated with symmetry disc formula to machining |
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