CN202073732U - Novel high-pressure plunger pump - Google Patents

Novel high-pressure plunger pump Download PDF

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Publication number
CN202073732U
CN202073732U CN2011201665678U CN201120166567U CN202073732U CN 202073732 U CN202073732 U CN 202073732U CN 2011201665678 U CN2011201665678 U CN 2011201665678U CN 201120166567 U CN201120166567 U CN 201120166567U CN 202073732 U CN202073732 U CN 202073732U
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CN
China
Prior art keywords
pump
pump housing
cylinder body
pressure plunger
novel high
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Expired - Fee Related
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CN2011201665678U
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Chinese (zh)
Inventor
钱韦岑
钱永平
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Individual
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Individual
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Abstract

The utility model relates to a novel high-pressure plunger pump which comprises a pump body, a pump cover, an end cover and a flange plate, wherein the pump body comprises a neck part, a ring part, and an oil outlet and a oil inlet which are arranged at two sides of a ring part of the pump body; a positioning hole, a lubrication hole and two crescents are arranged in a stepped surface of the end part of the pump body; the pump cover is fixedly connected with the end cover; oil return ports are arranged on two side surfaces of the pump cover, close to the end cover; the front end surface of a cylinder body is matched with an oil distribution disc; the pump cover is made of a plastic material or a composite material; the ring part of the pump body is wrapped and fixed by the pump cover made of the plastic material or the composite material; the side surfaces of the oil inlet and the oil outlet of the pump body are wrapped and fixed by the pump cover, and openings are arranged on the two side surfaces of the pump cover; and the pump body comprises a pump body which is formed by one-time compression molding of powder metallurgy or is formed by machining and molding of nodular cast iron, and the pump body is internally provided with 5-12 plunger holes. The novel high-pressure plunger pump has the advantages that the production cost is lowered greatly, the wear-resisting property is good, the weight is light, and the product quality is good.

Description

The novel high-pressure plunger pump
Technical field
The utility model relates to a kind of novel high-pressure plunger pump.
Background technique
High-pressure plunger pump pump case of the prior art is foundry goods or steel material, but processing cost is higher.Pump housing volume of the prior art is bigger, and the cost of raw material is bigger.High-pressure plunger pump cylinder of the prior art as illustrated in fig. 1 and 2, comprise cylinder body body 1 ' and cylinder sleeve 2 ' composition, cylinder body body 1 ' has 5-12 plunger hole 4 ', be with copper sheathing 5 ' in the plunger hole 4 ', cylinder body body 1 ' is the branch body structure with cylinder sleeve 2 ', cylinder body body upper-end surface is covered with copper layer 3 ', and cylinder body body 1 ' and cylinder sleeve 2 ' are steel material.Though these structures have guaranteed that existing cylinder body can be wear-resisting, processing technology complexity, cost of production height.
The model utility content
The purpose of this utility model provides a kind of novel high-pressure plunger pump, to solve above-mentioned deficiency.
The technical solution adopted in the utility model is:
The novel high-pressure plunger pump, comprise the pump housing, pump case, end cap and flange plate, the described pump housing comprises pump housing neck, pump housing ring portion, open in the oil outlet and the filler opening of pump housing ring portion both sides, have positioning hole on the end step surface of described pump housing ring portion, lubrication hole and two crescents, described pump housing neck is fixedlyed connected with flange plate, described pump case is fixedlyed connected with end cap, described pump case has return opening near the bi-side of end cap, described pump case is built-in with oil distribution casing, cylinder body, bearing, interior cover, overcoat, the backhaul dish, swash plate and piston shoes, described cylinder body front-end face cooperates with oil distribution casing, described pump case is plastic material or composite material quality, described pump housing ring portion is coated and fixed by pump case, and the oil outlet of the described pump housing and the side of filler opening are coated and fixed by pump case and are opened on the pump case bi-side; Described cylinder body comprises the cylinder body body, and described cylinder body body has 5-12 plunger hole by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in the described cylinder body body.
Pump housing ring portion side between described oil outlet and the filler opening has 4 fixing ears of symmetry, and described fixedly ear is connected with pump housing ring portion one, and described fixedly ear is coated by pump case, and described fixedly ear is opened on bottom the pump case.
The end step surface of described pump housing ring portion is one deck.
Described pump housing neck is plastic material or composite material quality, and described pump housing neck is connected with the pump case one, and pump housing ring portion is coated and fixed by pump case and pump housing neck.
Described cylinder body is made up of the cylinder body body, and described cylinder body body is a cylinder type, and described cylinder body body directly cooperates with the bearing of high-pressure plunger pump.
Described cylinder body also comprises cylinder sleeve, and described cylinder sleeve is by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and described cylinder body body and cylinder sleeve are structure as a whole, and described cylinder sleeve cooperates with the bearing of high-pressure plunger pump.
Described end cap is plastic material or composite material quality.
Described oil distribution casing is by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping.
Described oil distribution casing is full copper material, or oil distribution casing contacts end face and is covered with the layer of copper layer with cylinder body.
Cover, overcoat, backhaul dish, flange plate and/or piston shoes are by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in described.
Pump case of the present utility model, pump housing neck or end cap are plastic material or composite material quality, and composite material is that one or more of glass fiber reinforced plastics composite material, glass fiber compound material, carbon fiber resin composite material, ceramic fibrous composite material and thermoplastic resin based composite material etc. constitute the structure material of above-mentioned pump case, pump housing neck or end cap.In the DMC material of pump case of the present utility model, pump housing neck or the preferred sheet molding compound of end cap, BMC (BMC) or fire-proof any.
The utility model has the advantages that: the manufacturing efficiency height, cost of production greatly reduces, and wear-resisting property is good, and is in light weight, easy to maintenance, and quality of product is good.
Description of drawings
Fig. 1 is a cylinder body prior art structural representation.
Fig. 2 is the worm's eye view of Fig. 1.
Fig. 3 is the utility model embodiment 1 a structural representation.
Fig. 4 is the utility model embodiment 1 a pump body structure schematic representation.
Fig. 5 is Fig. 4 side structure schematic representation.
Fig. 6 is the utility model embodiment 1,2,5,7 a housing structure schematic representation.
Fig. 7 is the utility model embodiment 2 a structural representation.
Fig. 8 is the utility model embodiment 2 a pump body structure schematic representation.
Fig. 9 is Fig. 8 side structure schematic representation.
Figure 10 is the utility model embodiment 3,4,6,8 housing structure schematic representation.
Figure 11 is the utility model embodiment 3 cylinder body position views.
Figure 12 is the utility model embodiment 4 a cylinder body position view.
Figure 13 is the utility model embodiment 5 a structural representation.
Figure 14 is the utility model embodiment 5 a pump housing metalwork structural representation.
Figure 15 is the utility model embodiment 6 a structural representation.
Figure 16 is the utility model embodiment 6 a pump housing metalwork structural representation.
Figure 17 is the utility model embodiment 7 a structural representation.
Figure 18 is the utility model embodiment 8 a structural representation.
Wherein: 1, the pump housing, 2, pump case, 3, end cap, 4, pump housing neck, 5, pump housing ring portion, 6, oil outlet, 7, filler opening, 8, step surface, 9, positioning hole, 10, lubrication hole, 11, crescent, 12, return opening, 13, oil distribution casing, 14, cylinder body, 15, bearing, 16, cylinder body body, 17, plunger hole, 18, fixed hole, 19, the fixing inserts of metal, 20, fixing ear, 21, cylinder sleeve, 22, interior cover, 23, overcoat, 24, backhaul dish, 25, swash plate, 26, piston shoes, 27, flange plate.
Embodiment
Embodiment 1
As Fig. 3,4, shown in 5 and 6, novel high-pressure plunger pump of the present utility model, comprise the pump housing 1, pump case 2, end cap 3 and flange plate 27, the pump housing 1 comprises pump housing neck 4, pump housing ring portion 5, open oil outlet 6 and filler opening 7 in pump housing ring portion 5 both sides, pump housing neck 4 is fixedlyed connected with flange plate 27, have positioning hole 9 on the end step surface 8 of pump housing ring portion 5, lubrication hole 10 and two crescents 11, pump case 2 is fixedlyed connected with end cap 3, pump case 2 has return opening 12 near the bi-side of end cap 3, pump case 2 is built-in with oil distribution casing 13, cylinder body 14, bearing 15, interior cover 22, overcoat 23, backhaul dish 24, swash plate 25 and piston shoes 26, cylinder body 14 front-end faces cooperate with oil distribution casing 13, pump case 2 is plastic material or composite material quality, pump housing ring portion 5 is coated and fixed by pump case 2, and the oil outlet 6 of the pump housing 1 and the side of filler opening 7 are coated and fixed by pump case 2 and are opened on pump case 2 bi-side; Pump case 2 bottoms evenly have 4 fixed holes 18, and fixed hole 18 has been embedded in fixedly inserts 19 of metal; Cylinder body 14 is made up of cylinder body body 16, and cylinder body body 16 is a cylinder type, and cylinder body body 16 directly cooperates with the bearing 15 of high-pressure plunger pump.Cylinder body body 16 has 5-12 plunger hole 17 by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in the cylinder body body 16.
Embodiment 2
As Fig. 6,7, shown in 8 and 9, novel high-pressure plunger pump of the present utility model, comprise the pump housing 1, pump case 2, end cap 3 and flange plate 27, the pump housing 1 comprises pump housing neck 4, pump housing ring portion 5, open oil outlet 6 and filler opening 7 in pump housing ring portion 5 both sides, pump housing neck 4 is fixedlyed connected with flange plate 27, have positioning hole 9 on the end step surface 8 of pump housing ring portion 5, lubrication hole 10 and two crescents 11, pump case 2 is fixedlyed connected with end cap 3, pump case 2 has return opening 12 near the bi-side of end cap 3, pump case 2 is built-in with oil distribution casing 13, cylinder body 14, bearing 15, interior cover 22, overcoat 23, backhaul dish 24, swash plate 25 and piston shoes 26, cylinder body 14 front-end faces cooperate with oil distribution casing 13, pump case 2 is plastic material or composite material quality, pump housing ring portion 5 is coated and fixed by pump case 2, pump housing ring portion 5 sides between oil outlet 6 and the filler opening 7 have 4 fixing ears 20 of symmetry, fixedly ear 20 is connected with pump housing ring portion 5 one, and fixedly ear 20 is coated by pump case 2, and fixedly ear 20 is opened on pump case 2 bottoms.The present embodiment housing structure is with embodiment 1, promptly as shown in Figure 6.
Embodiment 3
Shown in Figure 10 and 11, cylinder body 14 comprises cylinder body body 16 and cylinder sleeve 21, cylinder body body 16 and cylinder sleeve 21 are by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and cylinder body body 16 and cylinder sleeve 21 are structure as a whole, and cylinder sleeve 21 cooperates with the bearing 15 of high-pressure plunger pump.All the other structures are with embodiment 1.
Embodiment 4
Shown in Figure 10 and 12, cylinder body 14 of the present utility model comprises cylinder body body 16 and cylinder sleeve 21, cylinder body body 16 and cylinder sleeve 21 are by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and cylinder body body 16 and cylinder sleeve 21 are structure as a whole, and cylinder sleeve 21 cooperates with the bearing 15 of high-pressure plunger pump.All the other structures are with embodiment 2.
Embodiment 5
Shown in Fig. 6,13 and 14, pump housing neck 4 of the present utility model is plastic material or composite material quality, and pump housing neck 4 is connected with pump case 2 one, and pump housing ring portion 5 is coated and fixed by pump case 2 and pump housing neck 4.Cylinder body 14 is made up of cylinder body body 16, and cylinder body body 16 is a cylinder type, and cylinder body body 16 directly cooperates with the bearing 15 of high-pressure plunger pump.Cylinder body body 16 has 5-12 plunger hole 17 by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in the cylinder body body 16.All the other structures are with embodiment 1.
Embodiment 6
Shown in Figure 10,15 and 16, pump housing neck 4 of the present utility model is plastic material or composite material quality, and pump housing neck 4 is connected with pump case 2 one, and pump housing ring portion is coated and fixed by pump case and pump housing neck.Pump case 2 is plastic material or composite material quality, pump housing ring portion 5 is coated and fixed by the pump case 2 of plastic material or composite material quality, pump housing ring portion 5 sides between oil outlet 6 and the filler opening 7 have 4 fixing ears 20 of symmetry, fixedly ear 20 is connected with pump housing ring portion 5 one, fixedly ear 20 is coated by pump case 2, and fixedly ear 20 is opened on pump case 2 bottoms.Cylinder body 14 comprises cylinder body body 16 and cylinder sleeve 21, and cylinder body body 16 and cylinder sleeve 21 are by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and cylinder body body 16 and cylinder sleeve 21 are structure as a whole, and cylinder sleeve 21 cooperates with the bearing 15 of high-pressure plunger pump.
Embodiment 7
Shown in Fig. 6,16 and 17, pump housing neck 4 of the present utility model is plastic material or composite material quality, pump housing neck 4 is connected with pump case 2 one, pump housing ring portion 5 is coated and fixed by pump case 2 and pump housing neck 4, cylinder body 14 is made up of cylinder body body 16, cylinder body body 16 is a cylinder type, and cylinder body body 16 directly cooperates with the bearing 15 of high-pressure plunger pump.Cylinder body body 16 has 5-12 plunger hole 17 by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in the cylinder body body 16.Pump housing ring portion 5 sides between oil outlet 6 and the filler opening 7 have 4 fixing ears 20 of symmetry, and fixedly ear 20 is connected with pump housing ring portion 5 one, and fixedly ear 20 is coated by pump case 2, and fixedly ear 20 is opened on pump case 2 bottoms.
Embodiment 8
Shown in Figure 14,10 and 18, pump housing neck 4 of the present utility model is plastic material or composite material quality, and pump housing neck 4 is connected with pump case 2 one, and pump housing ring portion 5 is coated and fixed by pump case 2 and pump housing neck 4.Cylinder body 14 comprises cylinder body body 16 and cylinder sleeve 21, and cylinder body body 16 and cylinder sleeve 21 are by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and cylinder body body 16 and cylinder sleeve 21 are structure as a whole, and cylinder sleeve 21 cooperates with the bearing 15 of high-pressure plunger pump.Pump case 2 bottoms evenly have 4 fixed holes 18, and fixed hole 18 has been embedded in fixedly inserts 19 of metal.
Embodiment 9
As shown in Figure 5, the end step surface 8 of pump housing ring portion 5 of the present utility model is one deck, is convenient to the machining and the maintenance of step surface 8, and all the other structures are the same.
Embodiment 10
As further improvement of the utility model, end cap 3 is plastic material or composite material quality, and this structure can effectively reduce production costs, and its mechanical strength can be configured raising as required.All the other structures are the same.
Embodiment 11
Oil distribution casing 13 is by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and this structure can improve the wear-resisting property of oil distribution casing 13, and all the other structures are the same.
Embodiment 12
As further improvement of the utility model, oil distribution casing 13 is full copper material, or oil distribution casing 13 contacts end face with cylinder body 14 and is covered with the layer of copper layer.All the other structures are the same.
Embodiment 13
As further improvement of the utility model, interior cover 22, overcoat 23, backhaul dish 24, flange plate 27 and/or piston shoes 26 are by the powder metallurgy disposal pressed moulding.All the other structures are the same.
Positioning hole 9 of the present utility model and lubrication hole 10 quantity are 2, shown in Fig. 4 and 8.
Pump case 2 of the present utility model, pump housing neck 4 or end cap 3 are plastic material or composite material quality, and composite material is that one or more of glass fiber reinforced plastics composite material, glass fiber compound material, carbon fiber resin composite material, ceramic fibrous composite material and thermoplastic resin based composite material etc. constitute the structure material of above-mentioned pump case 2, pump housing neck 4 or end cap 3.In the DMC material of pump case 2 of the present utility model, pump housing neck 4 or end cap 3 preferred sheet molding compounds, BMC (BMC) or fire-proof any.The application of above-mentioned material can effectively reduce production costs, and its mechanical strength can be configured raising as required.
The utility model is applied to plastic material or composite material quality on the high-pressure plunger pump cleverly, greatly reduced cost of production, also improved the mechanical property of high-pressure plunger pump, its mechanical strength can reach existing steel material or cast iron materials structure three times, has also alleviated the overall weight of high-pressure plunger pump simultaneously.
The utility model has been cancelled the cylinder body end face copper layer 3 ' of original cylinder body and the copper sheathing 5 ' in the plunger hole, cylinder body body 16 is structure as a whole by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping with cylinder sleeve 21, and cylinder sleeve 21 cooperates with the bearing 15 of high-pressure plunger pump.Under the situation that does not change cylinder body body 16 and cylinder sleeve 21 cooperating structures, greatly reduce cost of production like this, owing to adopted powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, processing technology is simple, but has kept the wear-resisting property of cylinder body.The utility model with cylinder body 14 by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, production technology has been simplified greatly, its cost of production is half of existing bimetal material-structure, and wear-resisting property also is doubled, it is simple that cylinder body 14 structures become, and weight has also alleviated half.
The utility model has been done multiple variation to the pump housing 1 structure; all be in order under the prerequisite that does not change mechanical strength or raising mechanical strength, to carry out; make the weight of the pump housing 1 reduce greatly; weight only is original 1/3rd; the cost of production of the pump housing is reduced to 1/4th of prior art; can form large-scale production, manufacturing efficiency greatly improves.Wherein several embodiment of the present utility model uses the pump housing neck 4 of the pump housing 1 instead plastics or composite material quality is made, and pump case 2 also adopts plastics or composite material quality to make.
The pump housing of the present utility model carries out putting into lower mould after the machining, then plastics or composite material are poured in the lower mould, patrix presses counterdie, after 130-180 ℃ of high temperature of process carries out insulation processing in 15-30 minute, mention patrix, the pump housing 1 and pump case 2 form one, next step assembling inner body step that enters later to be cooled, last and end cap 3 is fixed, and finishes complete machine production.
The utility model has the advantages that: the manufacturing efficiency height, cost of production greatly reduces, and wear-resisting property is good, and is in light weight, easy to maintenance, and quality of product is good.

Claims (10)

1. novel high-pressure plunger pump, comprise the pump housing, pump case, end cap and flange plate, the described pump housing comprises pump housing neck, pump housing ring portion, open in the oil outlet and the filler opening of pump housing ring portion both sides, have positioning hole on the end step surface of described pump housing ring portion, lubrication hole and two crescents, described pump housing neck is fixedlyed connected with flange plate, described pump case is fixedlyed connected with end cap, described pump case has return opening near the bi-side of end cap, described pump case is built-in with oil distribution casing, cylinder body, bearing, interior cover, overcoat, the backhaul dish, swash plate and piston shoes, described cylinder body front-end face cooperates with oil distribution casing, it is characterized in that: described pump case is plastic material or composite material quality, described pump housing ring portion is coated and fixed by pump case, and the oil outlet of the described pump housing and the side of filler opening are coated and fixed by pump case and are opened on the pump case bi-side; Described cylinder body comprises the cylinder body body, and described cylinder body body has 5-12 plunger hole by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping in the described cylinder body body.
2. novel high-pressure plunger pump according to claim 1 is characterized in that described pump case bottom evenly has 4 fixed holes, and described fixed hole has been embedded in fixedly inserts of metal; Or the pump housing ring portion side between described oil outlet and the filler opening has 4 fixing ears of symmetry, and described fixedly ear is connected with pump housing ring portion one, and described fixedly ear is coated by pump case, and described fixedly ear is opened on bottom the pump case.
3. novel high-pressure plunger pump according to claim 1 and 2, the end step surface that it is characterized in that described pump housing ring portion is one deck.
4. novel high-pressure plunger pump according to claim 1 is characterized in that described pump housing neck is plastic material or composite material quality, and described pump housing neck is connected with the pump case one, and pump housing ring portion is coated and fixed by pump case and pump housing neck.
5. novel high-pressure plunger pump according to claim 1 is characterized in that described cylinder body is made up of the cylinder body body, and described cylinder body body is a cylinder type, and described cylinder body body directly cooperates with the bearing of high-pressure plunger pump.
6. novel high-pressure plunger pump according to claim 1, it is characterized in that described cylinder body also comprises cylinder sleeve, described cylinder sleeve is by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping, and described cylinder body body and cylinder sleeve are structure as a whole, and described cylinder sleeve cooperates with the bearing of high-pressure plunger pump.
7. novel high-pressure plunger pump according to claim 1 is characterized in that described end cap is plastic material or composite material quality.
8. novel high-pressure plunger pump according to claim 1 is characterized in that described oil distribution casing is by powder metallurgy disposal pressed moulding or spheroidal graphite cast iron machine shaping.
9. novel high-pressure plunger pump according to claim 1 is characterized in that described oil distribution casing is full copper material, or oil distribution casing contacts end face and is covered with the layer of copper layer with cylinder body.
10. novel high-pressure plunger pump according to claim 1 is characterized in that described interior cover, overcoat, backhaul dish, flange plate and/or piston shoes are by the powder metallurgy disposal pressed moulding.
CN2011201665678U 2011-05-24 2011-05-24 Novel high-pressure plunger pump Expired - Fee Related CN202073732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201665678U CN202073732U (en) 2011-05-24 2011-05-24 Novel high-pressure plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201665678U CN202073732U (en) 2011-05-24 2011-05-24 Novel high-pressure plunger pump

Publications (1)

Publication Number Publication Date
CN202073732U true CN202073732U (en) 2011-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201665678U Expired - Fee Related CN202073732U (en) 2011-05-24 2011-05-24 Novel high-pressure plunger pump

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155368A (en) * 2011-05-24 2011-08-17 钱永平 Novel high-pressure plunger pump
CN103452787A (en) * 2013-08-19 2013-12-18 山东常林机械集团股份有限公司 Novel axial plunger pump for hydraulic excavator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155368A (en) * 2011-05-24 2011-08-17 钱永平 Novel high-pressure plunger pump
CN102155368B (en) * 2011-05-24 2014-03-05 钱永平 High-pressure plunger pump
CN103452787A (en) * 2013-08-19 2013-12-18 山东常林机械集团股份有限公司 Novel axial plunger pump for hydraulic excavator
CN103452787B (en) * 2013-08-19 2016-05-04 山东常林机械集团股份有限公司 A kind of hydraulic crawler excavator axial plunger pump

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111214

Termination date: 20140524