CN106321392A - Axial plunger pump for hydraulic railway switching - Google Patents
Axial plunger pump for hydraulic railway switching Download PDFInfo
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- CN106321392A CN106321392A CN201510403287.7A CN201510403287A CN106321392A CN 106321392 A CN106321392 A CN 106321392A CN 201510403287 A CN201510403287 A CN 201510403287A CN 106321392 A CN106321392 A CN 106321392A
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Abstract
The invention discloses an axial plunger pump for hydraulic railway switching. The axial plunger pump comprises an end cover, a swash plate, a thrust bearing, a thrust plate, a plunger spring assembly, a needle bearing, a cylinder liner, a cylinder body, a valve plate, a pump casing, a pump body, a shaft seal cover, an oil seal, a drive shaft, rolling bearings, an internal baffle ring and an external ring. The axial plunger pump for hydraulic railway switching adopts design of point-surface contact of various spherical surfaces and sliding surfaces, the swash plate with an inclination A pushes a plunger to reciprocate, oil suction and discharge functions of the pump can be realized by changing the volume of a plunger chamber of the cylinder body for suction and discharge, the structure is simple and easy to operate, and the working efficiency is high; twisting off of springs is avoided skillfully by means of a designed steel ball, and further by aid of a noise reducing function of cuspidal edge grooves, stable operation of the pump is guaranteed; when the drive shaft drives the cylinder body and the plunger spring assembly to rotate, the cylinder body and the plunger spring assembly reciprocate to finish the whole oil suction and pressing process, the working pressure is high, and the axial plunger pump can be used in various high-pressure and small-flow occasions.
Description
Technical field
:
The present invention relates to hydraulic pump technical field, a kind of axial plunger pump removed for railway hydraulic.
Background technology
:
Axial plunger pump is to utilize the plunger parallel with power transmission shaft to move back and forth produced volume change in plunger hole to be operated；Owing to plunger and plunger hole are all circular pieces, add the class fit that can reach the highest man-hour, therefore there is volumetric efficiency high, smooth running, discharge uniformity is good, and noise is low, operating pressure advantages of higher, is widely used in the fields such as lathe, metallurgy, mining machinery, engineering machinery, boats and ships.At present, in patent CN202746172U disclosed in Chinese patent literature, disclose a kind of novel axial plunger pump, this novel axial plunger pump includes the front pump housing, middle pump body, cylinder body, outer cylinder body, bonnet and power transmission shaft, the front pump housing is by bearing fit in power transmission shaft one end, and cylinder body is sleeved on the power transmission shaft other end, outer cylinder body and cylinder body excircle interference fit, middle pump body is coordinated with outer cylinder body excircle by needle bearing, after be covered on end part of driving shaft and fixing with middle pump body one end and be connected；The middle pump body other end is fixing with front pump housing one end to be connected, cylinder body end face is shaped with plunger hole, piston bore bottom is provided with plunger spring, plunger spring one end is connected with piston bore bottom, the plunger spring other end is connected with plunger at one end, cylinder ends is provided with disc and disc one end pushes against with the plunger other end, and the disc other end matches with the swash plate being fixed on rear cover cavity；Although making plunger return at plunger base design plunger spring, original slip is become rolling massage, but when for the work condition environment that railway hydraulic is removed, due to when load is relatively big and is affected plunger spring with drive axis by rail vibration, spring is easy to twist off, and by end face bearing touch between disc and swash plate, the sliding friction of minimizing is the most little.
Summary of the invention
:
It is an object of the invention to provide a kind of axial plunger pump removed for railway hydraulic.
The present invention adopts the following technical scheme that and realizes its goal of the invention: a kind of axial plunger pump removed for railway hydraulic, and it is made up of end cap 1, swash plate 2, thrust bearing 3, thrust plate 4, plunger spring assembly 5, needle bearing 6, cylinder sleeve 7, cylinder body 8, oil distribution casing 9, pump case 10, the pump housing 11, shaft seal cover 12, oil sealing 13, power transmission shaft 14, rolling bearing 15, inner baffle ring 16, outer shroud 17；End cap 1 is close to swash plate 2 as the bonnet of axial plunger pump；Thrust bearing 3 and thrust plate 4 are embedded on swash plate 2；Thrust plate 4 contacts with the sliding surface of plunger spring assembly 5；Plunger spring assembly 5 is loaded on the plunger hole 8-1 of cylinder body 8；Cylinder sleeve 7 is close to cylinder body 8 with interference fit；Oil distribution casing 9 connects the pump housing 11；Pump case 10 is located at outside the pump housing 11；Shaft seal cover 12 and oil sealing 13 are each provided on the right side of rolling bearing 15；Power transmission shaft 14 is axial plunger pump central shaft；Inner baffle ring 16 and outer shroud 17 are each provided between two rolling bearings 15.
The present invention is to move back and forth, change cylinder body plunger cavity internal volume and carry out sucking and eject and realize the oil suction oil extraction function of pump, be provided with swash plate 2 by promoting plunger to produce with the swash plate of inclination angle A；And it is provided with wobbler shaft 2-1, swash plate pin-and-hole 2-2, thrust plate limiting block ring recess 2-3 thereon；Wobbler shaft 2-1 is the central shaft of swash plate 2；It is internal that swash plate pin-and-hole 2-2 is located at swash plate 2；Thrust plate limiting block ring recess 2-3 is located at wobbler shaft 2-1 front end；Inclination angle A is swashplate angle, is limited by radial force, and inclination angle A is less than 200。
The present invention, in order to realize reducing the friction effect between thrust plate 4 and plunger spring assembly 5, improves the function of service life of equipment, is provided with plunger spring assembly sliding surface 4-1 and plunger sphere 5-8；Plunger spring assembly sliding surface 4-1 is located at thrust plate 4 surface and contacts with the plunger sphere 5-8 on plunger spring assembly 5.
The present invention is in order to realize when cylinder body 8 rotates, and plunger spring assembly 5 moves reciprocatingly in cylinder body, completes whole oil suction and the function of force feed process, is provided with plunger spring assembly 5, cylinder body 8 and power transmission shaft 14；And on plunger spring assembly 5, it is provided with plunger 5-1, steel ball 5-2, rear end spring base 5-3, spring 5-4, front springs seat 5-5；Cylinder body 8 is provided with plunger hole 8-1, cylinder body oilhole 8-2, axle hole of cylinder block 8-3, cylinder body face adapted 8-4, internal spline 8-5；Power transmission shaft 14 is provided with external splines 14-1, power transmission shaft rolling bearing face adapted 14-2, flat key groove 14-3；Steel ball 5-2, rear end spring base 5-3 and spring 5-4 are each provided at inside plunger 5-1；Front springs seat 5-5 is connected by spring 5-4；Plunger hole 8-1 and cylinder body oilhole 8-2 is each provided on cylinder body 8, and is symmetrically distributed；Axle hole of cylinder block 8-3 is the centre bore of cylinder body 8；Cylinder body face adapted 8-4 is the surface of cylinder body 8, and it is internal that internal spline 8-5 is located at cylinder body 8；External splines 14-1 and flat key groove 14-3 is respectively provided at power transmission shaft 14 two ends；Power transmission shaft rolling bearing face adapted 14-2 is located at surface, power transmission shaft 14 centre position.
The present invention twists off to prevent plunger spring assembly 5 from making time rotational spring, is provided with steel ball 5-2；Steel ball 5-2 is located at plunger spring assembly 5 interior forward end, connects rear end spring base 5-3.
The present invention, in order to realize oil circuit distribution and the function abated the noise, is provided with oil distribution casing 9；And it is provided with oil distribution casing arc oil groove 9-1, cusped edge groove 9-2, oil distribution casing axis hole 9-3, oil distribution casing pin-and-hole 9-4 thereon；Oil distribution casing arc oil groove 9-1 camber oil groove is symmetrically distributed on oil distribution casing 9；Cusped edge groove 9-2 is located at oil distribution casing arc oil groove 9-1 two ends；Oil distribution casing axis hole 9-3 is the centre bore of oil distribution casing 9；Oil distribution casing pin-and-hole 9-4 is located at oil distribution casing 9 outer most edge.
Owing to have employed above technical scheme, the present invention preferably achieves its goal of the invention, this uses multiple sphere to contact design with the some face of sliding surface for the axial plunger pump that railway hydraulic is removed, it is to avoid the situation of heavy wear, improves the service life of pump；Moving back and forth by promoting plunger to produce with the swash plate of inclination angle A, change cylinder body plunger cavity internal volume and carry out sucking and discharge and can be achieved with the oil suction oil extraction function of pump, simple in construction easily operates and work efficiency is high；The steel ball of design the most ingenious avoid spring twist off and the noise reduction effect of cusped edge groove all ensure that the steady operating of pump；When power transmission shaft drives cylinder body and plunger spring assembly to rotate, cylinder body and plunger spring assembly have moved reciprocatingly whole oil suction and force feed process, and operating pressure is high, can act on multiple high pressure, low discharge occasion.
Accompanying drawing illustrates:
Accompanying drawing 1 is the overall structure schematic diagram of the present invention.
Accompanying drawing 2 is the structural representation of labelling 1 of the present invention.
Accompanying drawing 3 is the structural representation of labelling 1 of the present invention.
Accompanying drawing 4 is the structural representation of labelling 2 of the present invention.
Accompanying drawing 5 is the structural representation of labelling 2 of the present invention.
Accompanying drawing 6 is the structural representation of labelling 4 of the present invention.
Accompanying drawing 7 is the structural representation of labelling 4 of the present invention.
Accompanying drawing 8 is the structural representation of labelling 5 of the present invention.
Accompanying drawing 9 is the structural representation of labelling 5-1 of the present invention.
Accompanying drawing 10 is the cross-sectional view of labelling 5-1 of the present invention.
Accompanying drawing 11 is the structural representation of labelling 5-3 of the present invention.
Accompanying drawing 12 is the structural representation of labelling 5-5 of the present invention.
Accompanying drawing 13 is the structural representation of labelling 5-5 of the present invention.
Accompanying drawing 14 is the structural representation of labelling 7 of the present invention.
Accompanying drawing 15 is the structural representation of labelling 8 of the present invention.
Accompanying drawing 16 is the structural representation of labelling 8 of the present invention.
Accompanying drawing 17 is the cross-sectional view of labelling 8 of the present invention.
Accompanying drawing 18 is the structural representation of labelling 9 of the present invention.
Accompanying drawing 19 is the cross-sectional view of labelling 9 of the present invention.
Accompanying drawing 20 is the section structure schematic diagram of labelling 9 of the present invention.
Accompanying drawing 21 is the structural representation of labelling 10 of the present invention.
Accompanying drawing 22 is the structural representation of labelling 10 of the present invention.
Accompanying drawing 23 is the cross-sectional view of labelling 10 of the present invention.
Accompanying drawing 24 is the structural representation of labelling 11 of the present invention.
Accompanying drawing 25 is the structural representation of labelling 11 of the present invention.
Accompanying drawing 26 is the cross-sectional view of labelling 11 of the present invention.
Accompanying drawing 27 is the cross-sectional view of labelling 11 of the present invention.
Accompanying drawing 28 is the structural representation of labelling 12 of the present invention.
Accompanying drawing 29 is the cross-sectional view of labelling 12 of the present invention.
Accompanying drawing 30 is the structural representation of labelling 14 of the present invention.
Description of reference numerals is shown in description last page form.
Detailed description of the invention:
Below in conjunction with the accompanying drawings summary of the invention is described further:
Embodiment
1
:
From accompanying drawing, a kind of axial plunger pump removed for railway hydraulic, it is made up of end cap 1, swash plate 2, thrust bearing 3, thrust plate 4, plunger spring assembly 5, needle bearing 6, cylinder sleeve 7, cylinder body 8, oil distribution casing 9, pump case 10, the pump housing 11, shaft seal cover 12, oil sealing 13, power transmission shaft 14, rolling bearing 15, inner baffle ring 16, outer shroud 17；End cap 1 is close to swash plate 2 as the bonnet of axial plunger pump；Thrust bearing 3 and thrust plate 4 are embedded on swash plate 2；Thrust plate 4 contacts with the sliding surface of plunger spring assembly 5；Plunger spring assembly 5 is loaded on the plunger hole 8-1 of cylinder body 8；Cylinder sleeve 7 is close to cylinder body 8 with interference fit；Oil distribution casing 9 connects the pump housing 11；Pump case 10 is located at outside the pump housing 11；Shaft seal cover 12 and oil sealing 13 are each provided on the right side of rolling bearing 15；Power transmission shaft 14 is axial plunger pump central shaft；Inner baffle ring 16 and outer shroud 17 are each provided between two rolling bearings 15.
End cap 1 of the present invention refers to: the bonnet of axial plunger pump；Which is provided with end cap installing hole 1-1, swash plate dowel hole 1-2, swash plate installation cavity 1-3；Its effect is fixing swash plate；Its structure is as shown in accompanying drawing 2,3, and its design attitude is as shown in labelling 1 in accompanying drawing 1.
Swash plate 2 of the present invention refers to: tilt the swash plate of certain angle；Which is provided with wobbler shaft 2-1, swash plate pin-and-hole 2-2, thrust plate limiting block ring recess 2-3；Its effect is to move back and forth, change cylinder body plunger cavity internal volume and carry out sucking and eject and realize oil suction and the oil extraction of pump by promoting plunger to produce with the swash plate of inclination angle A；Its structure is as shown in accompanying drawing 4,5, and its design attitude is as shown in labelling 2 in accompanying drawing 1.
Thrust bearing 3 of the present invention refers to: thrust bearing；Its effect is subject to the bearing of the power of axle parallel direction；Its design attitude is as shown in labelling 3 in accompanying drawing 1.
Thrust plate 4 of the present invention refers to: thrust plate；Which is provided with plunger spring assembly sliding surface 4-1, wobbler shaft through hole 4-2, thrust bearing face adapted 4-3；Its effect is to reduce the friction effect with plunger spring assembly 5；As illustrated in 6,7, its design attitude is as shown in labelling 4 in accompanying drawing 1 for its structure.
Plunger spring assembly 5 of the present invention refers to: be made up of multiple plunger springs；Which is provided with plunger 5-1, steel ball 5-2, rear end spring base 5-3, spring 5-4, front springs seat 5-5；Its effect is to cooperatively form sealed volume with cylinder bore, and makes sealed volume change and complete oil suction and oil extraction whole process when moving back and forth in cylinder bore；As shown in Figure 8, its design attitude is as shown in labelling 5 in accompanying drawing 1 for its structure.
Needle bearing 6 of the present invention refers to: the needle bearing of band cylindrical roller；Its effect is the restricted supporting structure of installation dimension；As shown in Figure 8, its design attitude is as shown in labelling 5 in accompanying drawing 1 for its structure.
Cylinder sleeve 7 of the present invention refers to: cylinder sleeve；Which is provided with cylinder sleeve needle bearing face adapted 7-1, cylinder sleeve face adapted 7-2；Its effect is protection cylinder body 8；As shown in Figure 14, its design attitude is as shown in labelling 7 in accompanying drawing 1 for its structure.
Cylinder body 8 of the present invention refers to: cylinder body；Which is provided with plunger hole 8-1, cylinder body oilhole 8-2, axle hole of cylinder block 8-3, cylinder body face adapted 8-4, internal spline 8-5；Its effect is the installation for plunger spring assembly 5；Its structure is as shown in accompanying drawing 15,16, and as shown in Figure 17, its design attitude is as shown in labelling 8 in accompanying drawing 1 for its cross-section structure.
Oil distribution casing 9 of the present invention refers to: oil distribution casing；Which is provided with oil distribution casing arc oil groove 9-1, cusped edge groove 9-2, oil distribution casing axis hole 9-3, oil distribution casing pin-and-hole 9-4；Its effect is to be carried out oil suction and force feed by oil distribution casing arc oil groove 9-1 and abated the noise；As shown in Figure 18, as shown in Figure 19, as shown in Figure 20, its design attitude is as shown in labelling 9 in accompanying drawing 1 for its section structure for its cross-section structure for its structure.
Pump case 10 of the present invention refers to: pump case；Which is provided with before pump case installing hole 10-3, pump case needle bearing face adapted 10-4 after installing hole 10-1, oil leak hole 10-2, pump case；Its effect is lubrication protection part and fills the gap between plunger, cylinder body, swash plate etc.；Its structure is as shown in accompanying drawing 21,22, and as shown in Figure 23, its design attitude is as shown in labelling 10 in accompanying drawing 1 for its cross-section structure.
The pump housing 11 of the present invention refers to: the pump housing；Which is provided with after plunger displacement pump overall installation hole 11-1, turnover oilhole 11-2, the pump housing installing hole 11-4, pump housing arc oil groove 11-5, pump housing axis hole 11-6, oil distribution casing dowel hole 11-7 before installing hole 11-3, the pump housing；Its effect is to complete turnover oil and the connection installation with oil distribution casing 9 by pump housing arc oil groove 11-5；Its structure is as shown in accompanying drawing 24,25,26, and as shown in Figure 27, its design attitude is as shown in labelling 11 in accompanying drawing 1 for its cross-section structure.
Shaft seal cover 12 of the present invention refers to: shaft seal cover；Which is provided with shaft seal cover installing hole 12-1, shaft seal cover axis hole 12-2, oil sealing face adapted 12-3；Its effect is to prevent leakage of oil and air in pump from entering in pump；Its structure is as shown in accompanying drawing 28,29, and as shown in Figure 29, its design attitude is as shown in labelling 12 in accompanying drawing 1 for its cross-section structure.
Oil sealing 13 of the present invention refers to: oil sealing；Its effect is to prevent in pump leakage of oil and dust-proof, improves service life；Its design attitude is as shown in labelling 13 in accompanying drawing 1.
Power transmission shaft 14 of the present invention refers to: power transmission shaft；Which is provided with external splines 14-1, propeller shaft slip bearing is fitted
Join face 14-2, flat key groove 14-3；Its effect is to drive cylinder body 8 to rotate, and completes oil suction force feed flow process by promoting plunger to produce reciprocating motion, change cylinder body plunger cavity internal volume and oil distribution casing 9 with the swash plate 2 of inclination angle A；As shown in Figure 30, its design attitude is as shown in labelling 14 in accompanying drawing 1 for its structure.
Rolling bearing 15 of the present invention refers to: rolling bearing；Its effect is to reduce friction, reduces power consumption, improves service life；Its design attitude is as shown in labelling 15 in accompanying drawing 1.
Inner baffle ring 16 of the present invention refers to: inner baffle ring；Its effect is to seal and dust-proof；Its design attitude is as shown in labelling 16 in accompanying drawing 1.
Outer shroud 17 of the present invention refers to: outer shroud；Its effect is to seal and dust-proof；Its design attitude is as shown in labelling 17 in accompanying drawing 1.
Embodiment
2
:
The present invention is to move back and forth, change cylinder body plunger cavity internal volume and carry out sucking and eject and realize the oil suction oil extraction function of pump, be provided with swash plate 2 by promoting plunger to produce with the swash plate of inclination angle A；And it is provided with wobbler shaft 2-1, swash plate pin-and-hole 2-2, thrust plate limiting block ring recess 2-3 thereon；Wobbler shaft 2-1 is the central shaft of swash plate 2；It is internal that swash plate pin-and-hole 2-2 is located at swash plate 2；Thrust plate limiting block ring recess 2-3 is located at wobbler shaft 2-1 front end.
Wobbler shaft 2-1 of the present invention refers to: wobbler shaft；Its effect is the central shaft of swash plate 2；Its design attitude is as shown in labelling 2-1 in accompanying drawing 4.
Swash plate pin-and-hole 2-2 of the present invention refers to: swash plate pin-and-hole；Its effect is to coordinate with swash plate dowel hole 1-2；Its design attitude is as shown in labelling 2-2 in accompanying drawing 4.
Thrust plate limiting block ring recess 2-3 of the present invention refers to: thrust plate limiting block ring recess；Its effect is the position limiting thrust plate 4；Its design attitude is as shown in labelling 2-3 in accompanying drawing 4.
Embodiment
3
:
The present invention, in order to realize reducing the friction effect between thrust plate 4 and plunger spring assembly 5, improves the function of service life of equipment, is provided with plunger spring assembly sliding surface 4-1 and plunger sphere 5-8；Plunger spring assembly sliding surface 4-1 is located at thrust plate 4 surface and contacts with the plunger sphere 5-8 on plunger spring assembly 5.
Plunger spring assembly sliding surface 4-1 of the present invention refers to: plunger spring assembly sliding surface；Its effect is to reduce the friction with plunger spring assembly 5；Its design attitude is as shown in labelling 4-1 in accompanying drawing 6.
Plunger sphere 5-8 of the present invention refers to: plunger sphere；Its effect is the plane laminating with thrust plate 4, reduces friction；Its design attitude is as shown in labelling 5-8 in accompanying drawing 10.
Embodiment
4
:
The present invention is in order to realize when cylinder body 8 rotates, and plunger spring assembly 5 just can move back and forth in cylinder body, completes whole oil suction and the function of force feed process, is provided with plunger spring assembly 5, cylinder body 8 and power transmission shaft 14；And on plunger spring assembly 5, it is provided with plunger 5-1, steel ball 5-2, rear end spring base 5-3, spring 5-4, front springs seat 5-5；Cylinder body 8 is provided with plunger hole 8-1, cylinder body oilhole 8-2, axle hole of cylinder block 8-3, cylinder body face adapted 8-4, internal spline 8-5；Power transmission shaft 14 is provided with external splines 14-1, power transmission shaft rolling bearing face adapted 14-2, flat key groove 14-3；Steel ball 5-2, rear end spring base 5-3 and spring 5-4 are each provided at inside plunger 5-1；Front springs seat 5-5 is connected by spring 5-4；Plunger hole 8-1 and cylinder body oilhole 8-2 is each provided on cylinder body 8, and is symmetrically distributed；Axle hole of cylinder block 8-3 is the centre bore of cylinder body 8；Cylinder body face adapted 8-4 is the surface of cylinder body 8, and it is internal that internal spline 8-5 is located at cylinder body 8；External splines 14-1 and flat key groove 14-3 is respectively provided at power transmission shaft 14 two ends；Power transmission shaft rolling bearing face adapted 14-2 is located at surface, power transmission shaft 14 centre position.
Plunger 5-1 of the present invention refers to: plunger；Which is provided with plunger steel-ball groove 5-6, plunger cavity 5-7, plunger sphere 5-8；Its effect is that plunger moves back and forth in cylinder body, makes the volume of seal operation cavity volume change and realizes oil suction, force feed；Its structure is as shown in accompanying drawing 9,10, and its design attitude is as shown in labelling 5-1 in accompanying drawing 8.
Rear end spring base 5-3 of the present invention refers to: rear end spring base；Which is provided with rear end spring base steel-ball groove 5-9, spring base spring contact face, rear end 5-10；Its effect is for the installation of steel ball 5-2 and supporting and location spring；As shown in Figure 11, its design attitude is as shown in labelling 5-3 in accompanying drawing 8 for its structure.
Spring 5-4 of the present invention refers to: spring；Its effect is to have elastic potential energy, plunger 5-1 can be made always to abut against on plunger spring assembly sliding surface 4-1, make plunger backhaul, completes to move back and forth；Its design attitude is as shown in labelling 5-4 in accompanying drawing 8.
Front springs seat 5-5 of the present invention refers to: front springs seat；Which is provided with front springs seat oilhole 5-11, front springs seat spring contact face 5-12；Its effect is supporting and location spring and passes in and out oil；Its structure is as shown in accompanying drawing 12,13, and its design attitude is as shown in labelling 5-5 in accompanying drawing 8.
Plunger hole 8-1 of the present invention refers to: plunger hole；Its effect coordinates with plunger and forms enclosed volume, and its design attitude is as shown in labelling 8-1 in accompanying drawing 15,17.
Cylinder body oilhole 8-2 of the present invention refers to: cylinder body oilhole；Its effect is the turnover oilhole of cylinder body 8；Its design attitude is as shown in labelling 8-2 in accompanying drawing 15,17.
Axle hole of cylinder block 8-3 of the present invention refers to: axle hole of cylinder block；Its effect is the installation for cylinder body 8；Its design attitude is as shown in labelling 8-3 in accompanying drawing 15,17.
Cylinder body face adapted 8-4 of the present invention refers to: cylinder body face adapted；Its effect is the contact surface of cylinder body 8 and oil distribution casing 9；Its design attitude is as shown in labelling 8-4 in accompanying drawing 15,17.
Internal spline 8-5 of the present invention refers to: internal spline；Its effect is to be connected with power transmission shaft external splines 14-1, is to make each position uniform force, increases the service life；Its design attitude is as shown in labelling 8-5 in accompanying drawing 16,17.
External splines 14-1 of the present invention refers to: external splines；Its effect is to be connected with cylinder body internal spline 8-5, and the rotary motion of power transmission shaft is passed to cylinder body 8；Make each position uniform force, increase the service life；Its design attitude is as shown in labelling 14-1 in accompanying drawing 30.
Power transmission shaft rolling bearing face adapted 14-2 of the present invention refers to: power transmission shaft rolling bearing face adapted；Its effect is the contact surface of power transmission shaft 14 and rolling bearing 15；Its design attitude is as shown in labelling 14-2 in accompanying drawing 30.
Flat key groove 14-3 of the present invention refers to: flat key groove；Its effect is the place leaving bonded placement flat key for；Its design attitude is as shown in labelling 14-3 in accompanying drawing 30.
Embodiment
5
:
The present invention twists off to prevent plunger spring assembly 5 from making time rotational spring, is provided with steel ball 5-2；Steel ball 5-2 is located at plunger spring assembly 5 interior forward end, connects rear end spring base 5-3.
Steel ball 5-2 of the present invention refers to: steel ball；Its effect is that when preventing from rotating, spring 5-4 twists off；Its design attitude is as shown in labelling 5-2 in accompanying drawing 8.
Embodiment
6
:
The present invention, in order to realize oil circuit distribution and the function abated the noise, is provided with oil distribution casing 9；And it is provided with oil distribution casing arc oil groove 9-1, cusped edge groove 9-2, oil distribution casing axis hole 9-3, oil distribution casing pin-and-hole 9-4 thereon；Oil distribution casing arc oil groove 9-1 camber oil groove is symmetrically distributed on oil distribution casing 9；Cusped edge groove 9-2 is located at oil distribution casing arc oil groove 9-1 two ends；Oil distribution casing axis hole 9-3 is the centre bore of oil distribution casing 9；Oil distribution casing pin-and-hole 9-4 is located at oil distribution casing 9 outer most edge.
Oil distribution casing arc oil groove 9-1 of the present invention refers to: oil distribution casing arc oil groove；Its effect is the path of oil in oil distribution casing 9；Its design attitude is as shown in labelling 9-1 in accompanying drawing 18,19,20.
Cusped edge groove 9-2 of the present invention refers to: cusped edge groove；Its effect is to abate the noise；Its design attitude is as shown in labelling 9-2 in accompanying drawing 18,19.
Oil distribution casing axis hole 9-3 of the present invention refers to: oil distribution casing axis hole；Its effect is the installation for oil distribution casing 9；Its design attitude is as shown in labelling 9-3 in accompanying drawing 18,19,20.
Oil distribution casing pin-and-hole 9-4 of the present invention refers to: oil distribution casing pin-and-hole；Its effect is the position coordinating fixing oil distribution casing 9 with oil distribution casing dowel hole 11-7；Its design attitude is as shown in labelling 9-4 in accompanying drawing 18,19.
End cap installing hole 1-1 of the present invention refers to: end cap installing hole；Its effect is the installation for end cap 1；Its design attitude is as shown in labelling 1-1 in accompanying drawing 2.
Swash plate dowel hole 1-2 of the present invention refers to: swash plate dowel hole；Its effect is the adaptive swash plate 2 position on end cap 1；Its design attitude is as shown in labelling 1-2 in accompanying drawing 2.
Swash plate installation cavity 1-3 of the present invention refers to: swash plate installation cavity；Its effect is the chamber placing swash plate 2；Its design attitude is as shown in labelling 1-3 in accompanying drawing 2.
Wobbler shaft through hole 4-2 of the present invention refers to: wobbler shaft through hole；Its effect is the installation for wobbler shaft 2-1；Its design attitude is as shown in labelling 4-2 in accompanying drawing 6.
Thrust bearing face adapted 4-3 of the present invention refers to: thrust bearing face adapted；Its effect is the bright finish connecting laminating thrust bearing 3；Its design attitude is as shown in labelling 4-3 in accompanying drawing 7.
Plunger steel-ball groove 5-6 of the present invention refers to: plunger steel-ball groove；Its effect is the installation for steel ball 5-2；Its design attitude is as shown in labelling 5-6 in accompanying drawing 9.
Plunger cavity 5-7 of the present invention refers to: plunger cavity；Its effect is the installation for miscellaneous part；Its design attitude is as shown in labelling 5-7 in accompanying drawing 9,10.
Rear end spring base steel-ball groove 5-9 of the present invention refers to: rear end spring base steel-ball groove；Its effect is the installation for steel ball 5-2；Its design attitude is as shown in labelling 5-9 in accompanying drawing 11.
Rear end spring base spring contact face 5-10 of the present invention refers to: spring base spring contact face, rear end；Its effect is the contact surface of rear end spring base 5-3 and spring 5-4；Its design attitude is as shown in labelling 5-10 in accompanying drawing 11.
Front springs seat oilhole 5-11 of the present invention refers to: front springs seat oilhole；Its effect is the passage of the turnover oil of plunger displacement pump；Its design attitude is as shown in labelling 5-11 in accompanying drawing 12.
Front springs seat spring contact face 5-12 of the present invention refers to: front springs seat spring contact face；Its effect is the contact surface of front springs seat 5-5 and spring 5-4；Its design attitude is as shown in labelling 5-12 in accompanying drawing 13.
Cylinder sleeve needle bearing face adapted 7-1 of the present invention refers to: cylinder sleeve needle bearing face adapted；Its effect is the contact surface of cylinder sleeve 7 and needle bearing 6；Its design attitude is as shown in labelling 7-1 in accompanying drawing 14.
Cylinder sleeve face adapted 7-2 of the present invention refers to: cylinder sleeve face adapted；Its effect is the contact surface of cylinder sleeve 7；Its design attitude is as shown in labelling 7-2 in accompanying drawing 14.
Before pump case of the present invention, installing hole 10-1 refers to: installing hole before pump case；Its effect is the installation for pump case 10 front portion；Its design attitude is as shown in labelling 10-1 in accompanying drawing 21,23.
Oil leak hole 10-2 of the present invention refers to: oil leak hole；Its effect is to prevent hypertonia in housing, squeezes the sealing at bad pump shaft head, so oil be will leak out has sole access in fuel tank；Its design attitude is as shown in labelling 10-2 in accompanying drawing 21,22,23.
After pump case of the present invention, installing hole 10-3 refers to: installing hole after pump case；Its effect is the installation for pump case 10 rear portion；Its design attitude is as shown in labelling 10-3 in accompanying drawing 22,23.
Pump case needle bearing face adapted 10-4 of the present invention refers to: pump case needle bearing face adapted；Its effect is the contact surface of pump case 10 and needle bearing 6；Its design attitude is as shown in labelling 10-4 in accompanying drawing 22,23.
Plunger displacement pump overall installation hole 11-1 of the present invention refers to: plunger displacement pump overall installation hole；Its effect is the installation overall for plunger displacement pump；Its design attitude is as shown in labelling 11-1 in accompanying drawing 24.
Turnover oilhole 11-2 of the present invention refers to: turnover oilhole；Its effect be the pump housing 11 enter oil discharge passage；Its design attitude is as shown in labelling 11-2 in accompanying drawing 24,25,27.
After the pump housing of the present invention, installing hole 11-3 refers to: installing hole after the pump housing；Its effect is the installation for the pump housing 11 rear portion；Its design attitude is as shown in labelling 11-3 in accompanying drawing 24,25,26.
Before the pump housing of the present invention, installing hole 11-4 refers to: installing hole before the pump housing；Its effect is the installation for the pump housing 11 front portion；Its design attitude is as shown in labelling 11-4 in accompanying drawing 24.
Pump housing arc oil groove 11-5 of the present invention refers to: pump housing arc oil groove；Its effect is the path of oil in the pump housing 11；Its design attitude is as shown in labelling 11-5 in accompanying drawing 25,27.
Pump housing axis hole 11-6 of the present invention refers to: pump housing axis hole；Its effect is the installation for the pump housing 11；Its design attitude is as shown in labelling 11-6 in accompanying drawing 25,26,27.
Oil distribution casing dowel hole 11-7 of the present invention refers to: oil distribution casing dowel hole；Its effect is the position coordinating fixing oil distribution casing 9 with oil distribution casing pin-and-hole 9-4；Its design attitude is as shown in labelling 11-7 in accompanying drawing 25,26.
Pump housing rolling bearing face adapted 11-8 of the present invention refers to: pump housing rolling bearing face adapted；Its effect is the contact surface of the pump housing 11 and rolling bearing 15；Its design attitude is as shown in labelling 11-8 in accompanying drawing 26,27.
Shaft seal cover installing hole 12-1 of the present invention refers to: shaft seal cover installing hole；Its effect is the installation for shaft seal cover 12；Its design attitude is as shown in labelling 12-1 in accompanying drawing 28,29.
Shaft seal cover axis hole 12-2 of the present invention refers to: shaft seal cover axis hole；Its effect is the central shaft hole of shaft seal cover 12；Its design attitude is as shown in labelling 12-2 in accompanying drawing 28,29.
Oil sealing face adapted 12-3 of the present invention refers to: oil sealing face adapted；Its effect is and the contact surface of oil sealing 13；Its design attitude is as shown in labelling 12-3 in accompanying drawing 29.
| Reference numerals | Labelling title | Reference numerals | Labelling title |
| 1 | End cap 1 | 5-1 | Plunger 5-1 |
| 2 | Swash plate 2 | 5-2 | Steel ball 5-2 |
| 3 | Thrust bearing 3 | 5-3 | Rear end spring base 5-3 |
| 4 | Thrust plate 4 | 5-4 | Spring 5-4 |
| 5 | Plunger spring assembly 5 | 5-5 | Front springs seat 5-5 |
| 6 | Needle bearing 6 | 5-6 | Plunger steel-ball groove 5-6 |
| 7 | Cylinder sleeve 7 | 5-7 | Plunger cavity 5-7 |
| 8 | Cylinder body 8 | 5-8 | Plunger sphere 5-8 |
| 9 | Oil distribution casing 9 | 5-9 | Rear end spring base steel-ball groove 5-9 |
| 10 | Pump case 10 | 5-10 | Spring base spring contact face, rear end 5-10 |
| 11 | The pump housing 11 | 5-11 | Front springs seat oilhole 5-11 |
| 12 | Shaft seal cover 12 | 5-12 | Front springs seat spring contact face 5-12 |
| 13 | Oil sealing 13 | 7-1 | Cylinder sleeve needle bearing face adapted 7-1 |
| 14 | Power transmission shaft 14 | 7-2 | Cylinder sleeve face adapted 7-2 |
| 15 | Rolling bearing 15 | 8-1 | Plunger hole 8-1 |
| 16 | Inner baffle ring 16 | 8-2 | Cylinder body oilhole 8-2 |
| 17 | Outer shroud 17 | 8-3 | Axle hole of cylinder block 8-3 |
| 1-1 | End cap installing hole 1-1 | 8-4 | Cylinder body face adapted 8-4 |
| 1-2 | Swash plate dowel hole 1-2 | 8-5 | Internal spline 8-5 |
| 1-3 | Swash plate installation cavity 1-3 | 9-1 | Oil distribution casing arc oil groove 9-1 |
| 2-1 | Wobbler shaft 2-1 | 9-2 | Cusped edge groove 9-2 |
| 2-2 | Swash plate pin-and-hole 2-2 | 9-3 | Oil distribution casing axis hole 9-3 |
| 2-3 | Thrust plate limiting block ring recess 2-3 | 9-4 | Oil distribution casing pin-and-hole 9-4 |
| 4-1 | Plunger spring assembly sliding surface 4-1 | 10-1 | Installing hole 10-1 before pump case |
| 4-2 | Wobbler shaft through hole 4-2 | 10-2 | Oil leak hole 10-2 |
| 4-3 | Thrust bearing face adapted 4-3 | 10-3 | Installing hole 10-3 after pump case |
| Reference numerals | Labelling title | Reference numerals | Labelling title |
| 10-4 | Pump case needle bearing face adapted 10-4 | 11-8 | Pump housing rolling bearing face adapted 11-8 |
| 11-1 | Plunger displacement pump overall installation hole 11-1 | 12-1 | Shaft seal cover installing hole 12-1 |
| 11-2 | Turnover oilhole 11-2 | 12-2 | Shaft seal cover axis hole 12-2 |
| 11-3 | Installing hole 11-3 after the pump housing | 12-3 | Oil sealing face adapted 12-3 |
| 11-4 | Installing hole 11-4 before the pump housing | 14-1 | External splines 14-1 |
| 11-5 | Pump housing arc oil groove 11-5 | 14-2 | Power transmission shaft rolling bearing face adapted 14-2 |
| 11-6 | Pump housing axis hole 11-6 | 14-3 | Flat key groove 14-3 |
| 11-7 | Oil distribution casing dowel hole 11-7 |
Claims (6)
1. the axial plunger pump removed for railway hydraulic, is characterized in that it includes swash plate (2), plunger spring assembly (5), cylinder body (8), oil distribution casing (9), power transmission shaft (14)；Described swash plate (2) is close to thrust bearing (3) and thrust plate (4)；Described thrust plate (4) contacts with the sliding surface of plunger spring assembly (5)；Described plunger spring assembly (5) is installed on the plunger hole of cylinder body (8)；Described oil distribution casing (9) connects the pump housing (11), it is achieved oil circuit distributes；Described power transmission shaft (14) is axial plunger pump central shaft, drives plunger spring assembly (5) to rotate with cylinder body (8).
A kind of axial plunger pump removed for railway hydraulic the most according to claim 1, is characterized in that being provided with swash plate (2)；And it is provided with wobbler shaft (2-1), swash plate pin-and-hole (2-2), thrust plate limiting block ring recess (2-3) thereon；Described wobbler shaft (2-1) is the central shaft of swash plate (2)；It is internal that described swash plate pin-and-hole (2-2) is located at swash plate (2)；Described thrust plate limiting block ring recess (2-3) is located at wobbler shaft (2-1) front end；The effect of swash plate (2) is to move back and forth, change cylinder body plunger cavity internal volume and carry out sucking and eject and realize the oil suction oil extraction of pump by promoting plunger to produce with the swash plate of inclination angle A；Described inclination angle A is swashplate angle, is limited by radial force, and inclination angle A is less than 200。
A kind of axial plunger pump removed for railway hydraulic the most according to claim 1, is characterized in that being provided with plunger spring assembly sliding surface (4-1) and plunger sphere (5-8)；Plunger spring assembly sliding surface (4-1) is located at thrust plate (4) surface and contacts with the plunger sphere (5-8) on plunger spring assembly (5)；The effect of described plunger spring assembly sliding surface (4-1) and plunger sphere (5-8) is to reduce the friction effect between thrust plate (4) and plunger spring assembly (5).
A kind of axial plunger pump removed for railway hydraulic the most according to claim 1, is characterized in that being provided with plunger spring assembly (5), cylinder body (8) and power transmission shaft (14)；And on plunger spring assembly (5), it is provided with plunger (5-1), steel ball (5-2), rear end spring base (5-3), spring (5-4), front springs seat (5-5)；Cylinder body (8) is provided with plunger hole (8-1), cylinder body oilhole (8-2), axle hole of cylinder block (8-3), cylinder body face adapted (8-4), internal spline (8-5)；Power transmission shaft (14) is provided with external splines (14-1), power transmission shaft rolling bearing face adapted (14-2), flat key groove (14-3)；It is internal that steel ball (5-2), rear end spring base (5-3) and spring (5-4) are each provided at plunger (5-1)；Described front springs seat (5-5) is connected by spring (5-4)；Described plunger hole (8-1) and cylinder body oilhole (8-2) are each provided on cylinder body (8), and are symmetrically distributed；Described axle hole of cylinder block (8-3) is the centre bore of cylinder body (8)；Described cylinder body face adapted (8-4) is the surface of cylinder body (8), and it is internal that internal spline (8-5) is located at cylinder body (8)；Described external splines (14-1) and flat key groove (14-3) are respectively provided at power transmission shaft (14) two ends；Described power transmission shaft rolling bearing face adapted (14-2) is located at power transmission shaft (14) surface, centre position.
A kind of axial plunger pump removed for railway hydraulic the most according to claim 1, is characterized in that being provided with steel ball (5-2)；Steel ball (5-2) is located at plunger spring assembly (5) interior forward end, connects rear end spring base (5-3)；The effect of steel ball (5-2) is to prevent from plunger spring assembly (5) from making time rotational spring to twist off.
A kind of axial plunger pump removed for railway hydraulic the most according to claim 1, is characterized in that being provided with oil distribution casing (9)；And it is provided with oil distribution casing arc oil groove (9-1), cusped edge groove (9-2), oil distribution casing axis hole (9-3), oil distribution casing pin-and-hole (9-4) thereon；Described oil distribution casing arc oil groove (9-1) camber oil groove is symmetrically distributed on oil distribution casing (9)；Described cusped edge groove (9-2) is located at oil distribution casing arc oil groove (9-1) two ends；Described oil distribution casing axis hole (9-3) is the centre bore of oil distribution casing (9)；Described oil distribution casing pin-and-hole (9-4) is located at oil distribution casing (9) outer most edge；The effect of described oil distribution casing (9) is to realize oil circuit distribution and abate the noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403287.7A CN106321392A (en) | 2015-07-11 | 2015-07-11 | Axial plunger pump for hydraulic railway switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403287.7A CN106321392A (en) | 2015-07-11 | 2015-07-11 | Axial plunger pump for hydraulic railway switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321392A true CN106321392A (en) | 2017-01-11 |
Family
ID=57726110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510403287.7A Pending CN106321392A (en) | 2015-07-11 | 2015-07-11 | Axial plunger pump for hydraulic railway switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321392A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035858A (en) * | 2017-12-04 | 2018-05-15 | 陕西航天动力高科技股份有限公司 | A kind of plunger pump |
| CN108412718A (en) * | 2018-04-09 | 2018-08-17 | 张家港市海工船舶机械制造有限公司 | A kind of double plunger pump of high-performance |
| CN111577705A (en) * | 2020-06-18 | 2020-08-25 | 杭州力龙液压有限公司 | End cover and hydraulic device |
| CN112392676A (en) * | 2019-08-13 | 2021-02-23 | 罗伯特·博世有限公司 | Motor-hydraulic machine unit for mounting on a hydraulic unit |
| CN114593030A (en) * | 2022-03-30 | 2022-06-07 | 华中科技大学 | Miniature high-pressure high-volume-efficiency plunger pump |
| CN116241424A (en) * | 2023-02-15 | 2023-06-09 | 武汉科技大学 | Axial plunger pump with no sliding shoe and good self-priming performance |
-
2015
- 2015-07-11 CN CN201510403287.7A patent/CN106321392A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035858A (en) * | 2017-12-04 | 2018-05-15 | 陕西航天动力高科技股份有限公司 | A kind of plunger pump |
| CN108412718A (en) * | 2018-04-09 | 2018-08-17 | 张家港市海工船舶机械制造有限公司 | A kind of double plunger pump of high-performance |
| CN112392676A (en) * | 2019-08-13 | 2021-02-23 | 罗伯特·博世有限公司 | Motor-hydraulic machine unit for mounting on a hydraulic unit |
| CN111577705A (en) * | 2020-06-18 | 2020-08-25 | 杭州力龙液压有限公司 | End cover and hydraulic device |
| CN114593030A (en) * | 2022-03-30 | 2022-06-07 | 华中科技大学 | Miniature high-pressure high-volume-efficiency plunger pump |
| CN116241424A (en) * | 2023-02-15 | 2023-06-09 | 武汉科技大学 | Axial plunger pump with no sliding shoe and good self-priming performance |
| CN116241424B (en) * | 2023-02-15 | 2024-09-20 | 武汉科技大学 | Axial plunger pump with no sliding shoe and good self-priming performance |
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