CN105649908A - Multi-pump-head radial plunger pump - Google Patents
Multi-pump-head radial plunger pump Download PDFInfo
- Publication number
- CN105649908A CN105649908A CN201410710546.6A CN201410710546A CN105649908A CN 105649908 A CN105649908 A CN 105649908A CN 201410710546 A CN201410710546 A CN 201410710546A CN 105649908 A CN105649908 A CN 105649908A
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- pump
- head
- plunger
- check valve
- liquid
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Abstract
The invention provides a multi-pump-head radial plunger pump. The multi-pump-head radial plunger pump comprises driving devices, transmission rods (8), a plurality of pump heads (4), pump bodies (6), plungers (10), sliding blocks (11) and connecting rods (9). The multiple pump heads (4) are each of a three-way structure internally provided with a cavity; each plunger (10) is arranged between the corresponding pump head (4) and the corresponding pump body (6); one end of each plunger (10) and the corresponding sliding block (11) are coaxially fixed, and the other end of each plunger (10) penetrates into the cavity of the corresponding pump head (4); each transmission rod (8) is erected in an inner cavity of the corresponding pump body (6), and is perpendicular to the corresponding plunger (10); and the transmission rods (8) achieve centrifugal rotation through drive of the driving device. Through the transmission effect of the connecting rods, the sliding blocks and the plungers are driven to do reciprocating motion in the axial direction of the plungers, and therefore the pump heads carry out liquid suction and pressing treatment through increasing and decreasing of volumes inside the cavities of the pump heads, liquid flowing in the pump heads is isolated from the transmission rods and the driving devices in the pump bodies, and liquid pollution is avoided.
Description
Technical field
The present invention relates to plunger pump technique field, particularly relate to a kind of many pumps head radial plunger pump.
Background technology
Tradition be applicable to food, pharmacy, biochemical lines pump mostly be stainless steel gear pump or vane pump. Along with developing rapidly of industry, conventional gears pump or vane pump can not meet the demand of high pressure high flow capacity, constant current constant voltage needed for industry, therefore ram pump need to be selected to provide hyperbaric environment. Existing a kind of radial plunger pump, passed to the cylinder rotor of star by cross coupler by motor drive shaft, rotor is contained on pintle, the plunger of the radial arrangement being arranged in rotor is close to eccentric stroke stator by the piston shoes of static balance, plunger is connected with slipper socket, and is locked by jump ring; When the rotor is turning, due to the eccentric action of stator, plunger is by reciprocating.
But, traditional ram pump mostly is Hydraulic Elements, can not meet the health demand of food, pharmacy and biochemical lines, and traditional ram pump manufacturing cost height, difficult in maintenance, it is difficult to realize the object of high flow capacity.
Summary of the invention
It is an object of the invention to, for realizing the ram pump of a kind of liquid output function with high pressure high flow capacity, constant current constant voltage, and this ram pump can meet the health demand of food, pharmacy and biochemical lines, the present invention provides a kind of many pumps head radial plunger pump, this radial plunger pump is stable, flow is controlled, running precision height, and manufacture is simple, cost is low, be convenient to maintenance.
For achieving the above object, the present invention provides a kind of many pumps head radial plunger pump, comprising: the pump housing, some pump heads, plunger, slide block, transmission rod, connecting rod and drive unit. Described drive unit is used for as many pumps head radial plunger pump provides motivating force, described some pump heads establish the three-port structure of cavity in being, the top and bottom of this pump head have been offered fluid check valve respectively and have been entered liquid check valve, being connected by drain pipe between adjacent fluid check valve, adjacent entering is connected by liquid-inlet pipe between liquid check valve; Being equipped with a plunger between each pump head and pump housing, described plunger at one end and slide block are coaxially fixed, and its other end is worn and penetrated in the cavity of pump head;Described transmission rod is set up in the inner chamber of the pump housing, and vertical with plunger, and this transmission rod realizes centrifugal rotation by the driving of drive unit; Described connecting rod one end and slide block are hinged, its the other end is sheathed on the outer wall of transmission rod, this connecting rod is reciprocating along the axis of this plunger by driving zone of action movable slider and the plunger of transmission rod so that pump head carries out imbibition and pressure liquid process by the increase and decrease of its cavity internal volume.
As the further improvement of technique scheme, described transmission rod comprises pump shaft, eccentric wheel and bearing; Described pump shaft is rotated by the driving effect of drive unit, and described eccentric wheel is sheathed on the outer wall of pump shaft, and with pump shaft synchronous axial system; Described bearing is nested between connecting rod and eccentric wheel, and plunger is mutually compensated in reciprocatory movement, reduces pulsation, so that the operation of radial plunger pump is more stable.
As the further improvement of technique scheme, described drive unit comprises explosion-proof variable frequency motor and helical speed reduction gear; Described helical speed reduction gear is used for the motivating force by explosion-proof variable frequency motor provides and steadily passes to transmission rod consistently.
As the further improvement of technique scheme, described fluid check valve and enter liquid check valve and include: check valve blocks up head, jewel ball, ball lining, pump ball seat and valve body; Described ball lining is nested on the inwall of valve body, establishes a jewel ball in this ball lining, and described jewel ball two ends install the stifled head of check valve and pump ball seat respectively; Through hole has been offered at described check valve Du Tou center, and the diameter of this through hole is less than the diameter of jewel ball, flows in valve body for liquid; Some circular holes offered by described pump ball seat, has flowed out in valve body for liquid.
As the further improvement of technique scheme, the slide block outer wall described in each being all arranged with a guide pin bushing seat, the side of described guide pin bushing seat is fixed on the outer wall of the pump housing, provides guide effect for the motion for slide block.
As the further improvement of technique scheme, pump head described in each and be equipped with a pump headstock between guide pin bushing seat, side and the guide pin bushing seat of described pump headstock are fixed, and its another side and a pump head are fixed.
As the further improvement of technique scheme, sealed by sheathed high-pressure seal ring and sealing-ring gland between described pump headstock and pump head fixed thereon.
As the further improvement of technique scheme, described pump head is provided with a tensimeter, for the operating pressure shown in pump head.
The advantage of a kind of many pumps head radial plunger pump of the present invention is:
The radial plunger pump of the present invention is worked by the multiple pump heads arranged simultaneously so that the liquid exported via this radial plunger pump can ensure that delivery flow rate is big, constant current constant voltage; And the structure of this radial plunger pump is simple, operational efficiency height, speed range width, long service life, independent pump head is arranged so that dismounting is more convenient; Reciprocating along the axis of this plunger by the gearing band movable slider of connecting rod and plunger, pump head is made to be carried out imbibition and pressure liquid process by the increase and decrease of its cavity internal volume, thus by isolated to the transmission rod in the liquid of flowing in pump head and the pump housing and drive unit, to avoid the pollution of liquid, meet the health demand of the industries such as food, pharmacy or biochemical industry.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of a kind of many pumps head radial plunger pump in the embodiment of the present invention.
Fig. 2 is the structure sectional view of the radial plunger pump in Fig. 1 along A-A direction.
Fig. 3 is the structure enlarged view of the plunger pump head shown in Fig. 2.
Fig. 4 is the structure enlarged view entering liquid/fluid check valve shown in Fig. 2.
Fig. 5 is the structure enlarged view of the transmission rod shown in Fig. 2.
Reference numeral
1, explosion-proof variable frequency motor 2, helical speed reduction gear 3, bracing frame
4, pump head 5, fluid check valve 6, the pump housing
7, liquid check valve 8, transmission rod 9, connecting rod is entered
10, plunger 11, slide block 12, drain pipe
13, liquid-inlet pipe 14, pump shaft 15, eccentric wheel
16, bearing 17, guide pin bushing seat 18, pump headstock
19, high-pressure seal ring 20, sealing-ring gland 21, valve body
22, stifled 23, check valve, jewel ball 24, ball lining
25, pump ball seat 26, key 27, through hole
28, circular hole 29, tensimeter
Embodiment
Below in conjunction with drawings and Examples, one many pumps head radial plunger pump of the present invention is described in detail.
As shown in Figure 1, a kind of many pumps head ram pump of the present invention, comprising: drive unit (not shown), some pump heads 4 and the pump housing 6, also comprise transmission rod 8 as shown in Figure 2, plunger 10, slide block 11 and connecting rod 9. Described drive unit is used for as many pumps head radial plunger pump provides motivating force; As shown in Figure 3, described some pump heads 4 establish the three-port structure of cavity in being, the top and bottom of this pump head 4 have been offered fluid check valve 5 respectively and have been entered liquid check valve 7, being connected by the drain pipe 12 shown in Fig. 1 between adjacent fluid check valve 5, adjacent entering is connected by the liquid-inlet pipe 13 shown in Fig. 1 between liquid check valve 7; As shown in Figure 2, being equipped with a plunger 10 between each pump head 4 and pump housing 6, this plunger 10 one end and slide block 11 are coaxially fixed, and its other end is worn and penetrated in the cavity of pump head 4; Described transmission rod 8 is set up in the inner chamber of the pump housing 6, and vertical with plunger 10, and this transmission rod 8 realizes centrifugal rotation by the driving of drive unit; Described connecting rod 9 one end and slide block 11 are hinged, its the other end is sheathed on the outer wall of transmission rod 8, this connecting rod 9 is reciprocating along the axis of this plunger 10 by driving zone of action movable slider 11 and the plunger 10 of transmission rod 8 so that pump head 4 carries out imbibition and pressure liquid process by the increase and decrease of its cavity internal volume.
Based on the structure of above-mentioned many pumps head radial plunger pump, as shown in Figure 1, drive unit described in the present embodiment comprises: explosion-proof variable frequency motor 1 and helical speed reduction gear 2, the motivating force that explosion-proof variable frequency motor 1 is provided by this helical speed reduction gear 2 by its specific reduction ratio steadily passes to transmission rod consistently, has the features such as flow is adjustable, Long-distance Control, travelling speed are steady; Described many pumps head radial plunger pump level frame is located on bracing frame 3. As shown in Figure 5, described transmission rod comprises: pump shaft 14, bearing 16 and eccentric wheel 15; Described pump shaft 14 is rotated by the driving effect of drive unit, and described eccentric wheel 15 is sheathed on the outer wall of pump shaft 14, and with pump shaft 14 synchronous axial system, described bearing 16 is nested between connecting rod 9 and eccentric wheel 15. In the present embodiment, described pump shaft 14 is fixed in eccentric wheel 15 by key 26.
As shown in Figure 2, slide block 11 outer wall described in each being all arranged with a guide pin bushing seat 17, the side of described guide pin bushing seat 17 is fixed on the outer wall of the pump housing 6, provides guide effect for the motion for slide block 11. Pump head 4 described in each and be equipped with a pump headstock 18 between guide pin bushing seat 17, the side of described pump headstock 18 is arranged on guide pin bushing seat 17, and its another side and a pump head 4 are fixed.As shown in Figure 3, seal by sheathed high-pressure seal ring 19 and sealing-ring gland 20 between described pump headstock 18 and pump head 4 fixed thereon. Described pump head 4 can be provided with a tensimeter 29, for the operating pressure shown in pump head 4, contribute to the position of maintenance personnel's failure judgement.
Based on the structure of above-mentioned many pumps head radial plunger pump, as shown in Figure 4, described fluid check valve and enter liquid check valve and include: stifled 22, check valve, jewel ball 23, ball lining 24, pump ball seat 25 and valve body 21, described ball lining 24 is nested on the inwall of valve body 21, a jewel ball 23 is established, check valve is installed at described jewel ball 23 two ends respectively stifled 22 and pump ball seat 25 in this ball lining 24; Through hole 27 has been offered at described check valve Du Tou 22 center, and the diameter of this through hole 27 is less than the diameter of jewel ball 23, flows in valve body 21 for liquid; Described pump ball seat 25 is offered some circular holes 28, has flowed out in valve body 21 for liquid. Stifled 22, described pump ball seat 25, ball lining 24 and check valve are arranged in valve body 21 with certain shrink range. When just to, when crossing liquid, washing the jewel ball 23 near stifled 22, check valve open by liquid pressure, the direction of stifled 22 to the pump ball seat 25 of check valve forms path; When reverse cross liquid time, by liquid suction, stifled 22, jewel ball 23 and check valve are closely compressed, the direction that pump ball seat 25 to check valve is stifled 22 form cutout, thus realizes the function of one-way flow. Based on above-mentioned fluid check valve and the structure entering liquid check valve, as shown in Figure 2, this fluid check valve 5 can be arranged on the both sides of pump head 4 vertical, in the same way with entering liquid check valve 7, with realize fluid check valve 5 with enter liquid check valve 7 in the same way, unidirectional liquid communication. The check valve of said structure all adopts two jewel spherical structures, makes sealing effect, one-way more reliable.
The principle utilizing many pumps head radial plunger pump of said structure to carry out work is: plunger 10 is arranged on slide block 11, slide block 11 is connected with connecting rod 9, eccentric wheel 15 followed by described connecting rod 9 and pump shaft 14 rotates, band movable slider 11 and plunger 10 are done to come and go to move along the axial of this plunger 10 in pump head 4 simultaneously, when plunger 10 moves outside the cavity of pump head 4, the liquid being positioned at liquid-inlet pipe 13 is inhaled into the cavity of this pump head 4 through entering liquid check valve 7, when plunger 10 moves in the cavity of pump head 4, liquid in this pump head 4 cavity is compressed, and it is expelled in drain pipe 12 through fluid check valve 5, thus the high pressure high flow capacity needed for system offer, the liquid stream of constant current constant voltage.
Above-mentioned many pumps head ram pump can guarantee that flow is accurate, pressure flow velocity is controlled, and the whole material of pump head can select sanitary edible level material, as: 316L stainless steel and food silicon rubber (such as PTFE), ensure the safety of solution further; In addition, the transmission rod in the present invention also can adopt bent axle or cam structure, substitutes eccentric wheel and bar linkage structure.
It should be noted last that, above embodiment is only in order to illustrate the technical scheme of the present invention and unrestricted. Although with reference to embodiment to invention has been detailed explanation, it will be understood by those within the art that, the technical scheme of the present invention being modified or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the right of the present invention.
Claims (8)
1. pump head radial plunger pump more than a kind, comprise drive unit, for providing motivating force for many pumps head radial plunger pump, it is characterized in that, also comprise: transmission rod (8), some pump heads (4), the pump housing (6), plunger (10), slide block (11) and connecting rod (9);Described some pump heads (4) establish the three-port structure of cavity in being, the top and bottom of this pump head (4) have been offered fluid check valve (5) respectively and have been entered liquid check valve (7), being connected by drain pipe (12) between adjacent fluid check valve (5), adjacent entering is connected by liquid-inlet pipe (13) between liquid check valve (7); Being equipped with a plunger (10) between each pump head (4) and pump housing (6), this plunger (10) one end and slide block (11) are coaxially fixed, and its other end is worn and penetrated in the cavity of pump head (4); Described transmission rod (8) is set up in the inner chamber of the pump housing (6), and vertical with plunger (10), and this transmission rod (8) realizes centrifugal rotation by the driving of drive unit; Described connecting rod (9) one end and slide block (11) are hinged, its the other end is sheathed on the outer wall of transmission rod (8), this connecting rod (9) is reciprocating along the axis of this plunger (10) by driving zone of action movable slider (11) and the plunger (10) of transmission rod (8) so that pump head (4) carries out imbibition and pressure liquid process by the increase and decrease of its cavity internal volume.
2. many pumps head radial plunger pump according to claim 1, it is characterised in that, described transmission rod (8) comprises pump shaft (14), eccentric wheel (15) and bearing (16); Described pump shaft (14) is rotated by the driving effect of drive unit, described eccentric wheel (15) is sheathed on the outer wall of pump shaft (14), and with pump shaft (14) synchronous axial system, described bearing (16) is nested between connecting rod (9) and eccentric wheel (15).
3. many pumps head radial plunger pump according to claim 1, it is characterised in that, described drive unit comprises explosion-proof variable frequency motor (1) and helical speed reduction gear (2); Described helical speed reduction gear (2) steadily passes to transmission rod (8) consistently for the motivating force provided by explosion-proof variable frequency motor (1).
4. many pumps head radial plunger pump according to claim 1, it is characterized in that, described fluid check valve (5) and enter liquid check valve (7) and include: check valve blocks up head (22), jewel ball (23), ball lining (24), pump ball seat (25) and valve body (21); Described ball lining (24) is nested on the inwall of valve body (21), establishing a jewel ball (23) in this ball lining (24), described jewel ball (23) two ends install the stifled head (22) of check valve and pump ball seat (25) respectively; Described check valve blocks up head (22) center and has offered through hole (27), and the diameter of this through hole (27) is less than the diameter of jewel ball (23), flows in valve body (21) for liquid; Some circular holes (28) offered by described pump ball seat (25), has flowed out in valve body (21) for liquid.
5. many pumps head radial plunger pump according to claim 1, it is characterized in that, slide block (11) outer wall described in each is all arranged with a guide pin bushing seat (17), the side of described guide pin bushing seat (17) is fixed on the outer wall of the pump housing (6), provides guide effect for the motion for slide block (11).
6. many pumps head radial plunger pump according to claim 5, it is characterized in that, pump head (4) described in each and be equipped with a pump headstock (18) between guide pin bushing seat (17), the side of described pump headstock (18) and guide pin bushing seat (17) are fixed, and its another side and a pump head (4) are fixed.
7. many pumps head radial plunger pump according to claim 6, it is characterized in that, sealed by sheathed high-pressure seal ring (19) and sealing-ring gland (20) between described pump headstock (18) and pump head (4) fixed thereon.
8. many pumps head radial plunger pump according to claim 1, it is characterised in that, described pump head (4) is provided with a tensimeter (29), for the operating pressure shown in pump head (4).
Priority Applications (1)
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CN201410710546.6A CN105649908A (en) | 2014-11-28 | 2014-11-28 | Multi-pump-head radial plunger pump |
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CN201410710546.6A CN105649908A (en) | 2014-11-28 | 2014-11-28 | Multi-pump-head radial plunger pump |
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CN105649908A true CN105649908A (en) | 2016-06-08 |
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CN201410710546.6A Pending CN105649908A (en) | 2014-11-28 | 2014-11-28 | Multi-pump-head radial plunger pump |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110685881A (en) * | 2019-09-27 | 2020-01-14 | 平顶山市神马万里化工股份有限公司 | Driving device for linkage of multiple pump heads |
CN111075677A (en) * | 2019-12-30 | 2020-04-28 | 北京天地玛珂电液控制系统有限公司 | Radial plunger pump |
WO2020252991A1 (en) * | 2019-06-17 | 2020-12-24 | 深圳市协鸿环保设备有限公司 | Pulsation-free metering pump |
CN112610468A (en) * | 2020-12-14 | 2021-04-06 | 台州市蒙花机械有限公司 | Plunger pump |
CN114483514A (en) * | 2022-02-14 | 2022-05-13 | 李旭伟 | Multi-combination constant flow pump |
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CN201080900Y (en) * | 2007-07-04 | 2008-07-02 | 浙江衢州煤矿机械总厂有限公司 | Emulsion pump for coal mine |
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CN103899524A (en) * | 2013-12-19 | 2014-07-02 | 山东新煤格林尼泵业科技有限公司 | Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station |
CN103925185A (en) * | 2014-04-29 | 2014-07-16 | 博山水泵制造厂 | Plunger pump and carbon dioxide injection device for oil field |
CN204283775U (en) * | 2014-11-28 | 2015-04-22 | 北京创新通恒科技有限公司 | A kind of many pump heads radial plunger pump |
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2014
- 2014-11-28 CN CN201410710546.6A patent/CN105649908A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001041146A (en) * | 1999-07-30 | 2001-02-13 | Hirose Valve Kogyo Kk | Radial cylinder pump |
CN201080900Y (en) * | 2007-07-04 | 2008-07-02 | 浙江衢州煤矿机械总厂有限公司 | Emulsion pump for coal mine |
CN202017590U (en) * | 2011-03-24 | 2011-10-26 | 周哲波 | Novel emulsion pump with oppositely-standing six plungers on three crank throws |
CN103899524A (en) * | 2013-12-19 | 2014-07-02 | 山东新煤格林尼泵业科技有限公司 | Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020252991A1 (en) * | 2019-06-17 | 2020-12-24 | 深圳市协鸿环保设备有限公司 | Pulsation-free metering pump |
CN110685881A (en) * | 2019-09-27 | 2020-01-14 | 平顶山市神马万里化工股份有限公司 | Driving device for linkage of multiple pump heads |
CN111075677A (en) * | 2019-12-30 | 2020-04-28 | 北京天地玛珂电液控制系统有限公司 | Radial plunger pump |
CN112610468A (en) * | 2020-12-14 | 2021-04-06 | 台州市蒙花机械有限公司 | Plunger pump |
CN114483514A (en) * | 2022-02-14 | 2022-05-13 | 李旭伟 | Multi-combination constant flow pump |
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