CN204921279U - A axial plunger pump that is used for railway hydraulic pressure to remove - Google Patents
A axial plunger pump that is used for railway hydraulic pressure to remove Download PDFInfo
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- CN204921279U CN204921279U CN201520496996.XU CN201520496996U CN204921279U CN 204921279 U CN204921279 U CN 204921279U CN 201520496996 U CN201520496996 U CN 201520496996U CN 204921279 U CN204921279 U CN 204921279U
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Abstract
The utility model discloses an axial plunger pump that is used for railway hydraulic pressure to remove, it by end cover, sloping cam plate, thrust bearing, thrust plate, plunger spring unit, bearing, cylinder liner, cylinder body, join in marriage food tray, pump case, the pump body, bearing seal lid, oil blanket, transmission shaft, antifriction bearing, interior fender ring, the outer loop is constituteed, the point face contact of this an axial plunger pump that is used for railway hydraulic pressure to remove multiple sphere of adoption and sliding surface designs, and through the sloping cam plate promotion plunger production reciprocating motion who has inclination A, the oil absorption oil extraction function that change cylinder body plunger chamber inner volume inhaleed and discharged and just to realize the pump, simple structure easily operates and the work efficiency height, the smooth operation of pump has all been guaranteed in the twist -off of also ingenious as the to avoid spring of steel ball of design and the noise reduction effect in cusped edge groove, when the transmission shaft drove cylinder body and the rotation of plunger spring unit, cylinder body and plunger spring unit were reciprocating motion and accomplish whole oil absorption and press oily process, and operating pressure is high, can act on multiple high pressure, low discharge occasion.
Description
technical field:
The utility model relates to oil hydraulic pump technical field, specifically a kind of axial piston pump removed for railway hydraulic.
background technique:
Axial piston pump utilizes the volume-variation that produces of plunger plunger hole in the to-and-fro motion parallel with transmission shaft to carry out work; Because plunger and plunger hole are all circular pieces, add the class fit that can reach very high man-hour, therefore there is volumetric efficiency high, smooth running, discharge uniformity is good, and noise is low, working 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 comprises the front pump housing, middle pump body, cylinder body, outer cylinder body, bonnet and transmission shaft, the front pump housing is by bearing fit in transmission shaft one end, and cylinder body is sleeved on the transmission shaft the 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 be fixedly connected with middle pump body one end; The middle pump body the other end is fixedly connected with front pump housing one end, cylinder body end face is shaped with plunger hole, piston bore bottom is provided with piston spring, piston spring one end is connected with piston bore bottom, the piston spring the other end is connected with plunger at one end, cylinder ends is provided with disc and disc one end and the plunger the other end push against, and the disc the other end matches with the swash plate being fixed on rear cover cavity; Although make plunger return at plunger base design piston spring, original slip is become rolling massage, but when being used for the work condition environment that railway hydraulic is removed, because load is comparatively large and when affecting piston 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 also little.
summary of the invention:
The purpose of this utility model is to provide a kind of axial piston pump removed for railway hydraulic.
The utility model adopts following technological scheme to realize its goal of the invention: a kind of axial piston pump removed for railway hydraulic, and it is made up of end cap 1, swash plate 2, thrust-bearing 3, thrust plate 4, piston 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, 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 piston pump; Thrust-bearing 3 and thrust plate 4 are embedded on swash plate 2; Thrust plate 4 contacts with the sliding surface of piston spring assembly 5; Piston 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 all located on the right side of rolling bearing 15; Transmission shaft 14 is axial piston pump central shafts; Inner baffle ring 16 and outer shroud 17 are all located between two rolling bearings 15.
The utility model produces to-and-fro motion by promoting plunger with the swash plate of inclination angle A, changes cylinder body plunger cavity internal volume and carry out sucking and eject the oil suction oil extraction function realizing pump, is provided with swash plate 2; And be 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 inner 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, limits by radial force, and inclination angle A is no more than 20
0.
The utility model reduces the friction effect between thrust plate 4 and piston spring assembly 5 to realize, and improves the function of service life of equipment, is provided with piston spring assembly sliding surface 4-1 and plunger sphere 5-8; Piston spring assembly sliding surface 4-1 is located at thrust plate 4 surface and contacts with the plunger sphere 5-8 on piston spring assembly 5.
The utility model is in order to realize when cylinder body 8 rotates, and piston spring assembly 5 moves reciprocatingly in cylinder body, completes the function of whole oil suction and force feed process, is provided with piston spring assembly 5, cylinder body 8 and transmission shaft 14; And on piston spring assembly 5, be provided with plunger 5-1, steel ball 5-2, rear end spring seat 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; Transmission shaft 14 is provided with external splines 14-1, transmission shaft rolling bearing face adapted 14-2, flat key groove 14-3; It is inner that steel ball 5-2, rear end spring seat 5-3 and spring 5-4 are all located at 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 all located on cylinder body 8, and is symmetrically distributed; Axle hole of cylinder block 8-3 is the center hole of cylinder body 8; Cylinder body face adapted 8-4 is the surface of cylinder body 8, and it is inner that internal spline 8-5 is located at cylinder body 8; External splines 14-1 and flat key groove 14-3 is located at transmission shaft 14 two ends respectively; Transmission shaft rolling bearing face adapted 14-2 is located at surface, transmission shaft 14 neutral position.
The utility model twists off to prevent piston spring assembly 5 from making time rotational spring, is provided with steel ball 5-2; Steel ball 5-2 is located at piston spring assembly 5 interior forward end, connects rear end spring seat 5-3.
The function that the utility model distributes to realize oil circuit and abates the noise, is provided with oil distribution casing 9; And be 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 center hole 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 technological scheme, the utility model achieves its model utility object preferably, this adopts multiple sphere to contact with the some face of sliding surface for the axial piston pump that railway hydraulic is removed and designs, avoid the situation of heavy wear, improve the working life of pump; Produce to-and-fro motion by promoting plunger with the swash plate of inclination angle A, change cylinder body plunger cavity internal volume carries out sucking and discharge the oil suction oil extraction function that just can realize pump, structure is simple to operation and working efficiency is high; The steel ball of design also ingenious avoid spring twist off and the noise reduction effect of cusped edge groove all ensure that the smooth operation of pump; When transmission shaft drives cylinder body and piston spring assembly to rotate, cylinder body and piston spring assembly have moved reciprocatingly whole oil suction and force feed process, and working pressure is high, can act on multiple high pressure, small flow occasion.
accompanying drawing illustrates:
Accompanying drawing 1 is overall structure schematic diagram of the present utility model.
Accompanying drawing 2 is structural representations of the utility model mark 1.
Accompanying drawing 3 is structural representations of the utility model mark 1.
Accompanying drawing 4 is structural representations of the utility model mark 2.
Accompanying drawing 5 is structural representations of the utility model mark 2.
Accompanying drawing 6 is structural representations of the utility model mark 4.
Accompanying drawing 7 is structural representations of the utility model mark 4.
Accompanying drawing 8 is structural representations of the utility model mark 5.
Accompanying drawing 9 is structural representations of the utility model mark 5-1.
Accompanying drawing 10 is cross-sectional view of the utility model mark 5-1.
Accompanying drawing 11 is structural representations of the utility model mark 5-3.
Accompanying drawing 12 is structural representations of the utility model mark 5-5.
Accompanying drawing 13 is structural representations of the utility model mark 5-5.
Accompanying drawing 14 is structural representations of the utility model mark 7.
Accompanying drawing 15 is structural representations of the utility model mark 8.
Accompanying drawing 16 is structural representations of the utility model mark 8.
Accompanying drawing 17 is cross-sectional view of the utility model mark 8.
Accompanying drawing 18 is structural representations of the utility model mark 9.
Accompanying drawing 19 is cross-sectional view of the utility model mark 9.
Accompanying drawing 20 is cross-sectional configuration schematic diagram of the utility model mark 9.
Accompanying drawing 21 is structural representations of the utility model mark 10.
Accompanying drawing 22 is structural representations of the utility model mark 10.
Accompanying drawing 23 is cross-sectional view of the utility model mark 10.
Accompanying drawing 24 is structural representations of the utility model mark 11.
Accompanying drawing 25 is structural representations of the utility model mark 11.
Accompanying drawing 26 is cross-sectional view of the utility model mark 11.
Accompanying drawing 27 is cross-sectional view of the utility model mark 11.
Accompanying drawing 28 is structural representations of the utility model mark 12.
Accompanying drawing 29 is cross-sectional view of the utility model mark 12.
Accompanying drawing 30 is structural representations of the utility model mark 14.
Description of reference numerals is shown in specification last page form.
embodiment:
Below in conjunction with accompanying drawing, model utility content is described further:
embodiment 1:
From accompanying drawing, for the axial piston pump that railway hydraulic is removed, it is made up of end cap 1, swash plate 2, thrust-bearing 3, thrust plate 4, piston 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, 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 piston pump; Thrust-bearing 3 and thrust plate 4 are embedded on swash plate 2; Thrust plate 4 contacts with the sliding surface of piston spring assembly 5; Piston 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 all located on the right side of rolling bearing 15; Transmission shaft 14 is axial piston pump central shafts; Inner baffle ring 16 and outer shroud 17 are all located between two rolling bearings 15.
End cap 1 described in the utility model refers to: the bonnet of axial piston pump; Which is provided with end cap mounting hole 1-1, swash plate positioning pin 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 marked shown in 1 in accompanying drawing 1.
Swash plate 2 described in the utility model refers to: the swash plate of inclination several 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 produces to-and-fro motion by promoting plunger with the swash plate of inclination angle A, changes cylinder body plunger cavity internal volume and carry out sucking and eject the oil suction and oil extraction that realize pump; Its structure is as shown in accompanying drawing 4,5, and its design attitude is as marked shown in 2 in accompanying drawing 1.
Thrust-bearing 3 described in the utility model refers to: thrust-bearing; Its effect is the bearing of the power of bearing axle parallel direction; Its design attitude is as marked shown in 3 in accompanying drawing 1.
Thrust plate 4 described in the utility model refers to: thrust plate; Which is provided with piston spring assembly sliding surface 4-1, wobbler shaft through hole 4-2, thrust-bearing face adapted 4-3; Its effect reduces the friction effect with piston spring assembly 5; As illustrated in 6,7, its design attitude is as marked shown in 4 in accompanying drawing 1 for its structure.
Piston spring assembly 5 described in the utility model refers to: be made up of multiple piston spring; Which is provided with plunger 5-1, steel ball 5-2, rear end spring seat 5-3, spring 5-4, front springs seat 5-5; Its effect coordinates with cylinder bore to form sealed volume, and in cylinder bore, make sealed volume change and complete oil suction and oil extraction whole process during to-and-fro motion; As shown in Figure 8, its design attitude is as marked shown in 5 in accompanying drawing 1 for its structure.
Needle bearing 6 described in the utility model 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 marked shown in 5 in accompanying drawing 1 for its structure.
Cylinder sleeve 7 described in the utility model 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 marked shown in 7 in accompanying drawing 1 for its structure.
Cylinder body 8 described in the utility model 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 piston spring assembly 5; Its structure is as shown in accompanying drawing 15,16, and as shown in Figure 17, its design attitude is as marked shown in 8 in accompanying drawing 1 for its cross-section structure.
Oil distribution casing 9 described in the utility model 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 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 marked shown in 9 in accompanying drawing 1 for its cross-sectional configuration for its cross-section structure for its structure.
Pump case 10 described in the utility model refers to: pump case; Which is provided with mounting hole 10-3, pump case needle bearing face adapted 10-4 after mounting hole 10-1, oil leak hole 10-2 before pump case, pump case; Its effect is lubrication protection part and fills plunger, cylinder body, the gap between swash plate etc.; Its structure is as shown in accompanying drawing 21,22, and as shown in Figure 23, its design attitude is as marked shown in 10 in accompanying drawing 1 for its cross-section structure.
The pump housing 11 described in the utility model refers to: the pump housing; Which is provided with mounting hole 11-4 before mounting hole 11-3 after plunger pump overall installation hole 11-1, turnover oilhole 11-2, the pump housing, the pump housing, pump housing arc oil groove 11-5, pump housing axis hole 11-6, oil distribution casing positioning pin hole 11-7; Its effect completes turnover oil and the connection 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 marked shown in 11 in accompanying drawing 1 for its cross-section structure.
Shaft seal cover 12 described in the utility model refers to: shaft seal cover; Which is provided with shaft seal cover mounting hole 12-1, shaft seal cover axis hole 12-2, oil sealing face adapted 12-3; Its effect prevents 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 marked shown in 12 in accompanying drawing 1 for its cross-section structure.
Oil sealing 13 described in the utility model refers to: oil sealing; Its effect to prevent in pump leakage of oil and dust-proof, improves working life; Its design attitude is as marked shown in 13 in accompanying drawing 1.
Transmission shaft 14 described in the utility model refers to: 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 drives cylinder body 8 to rotate, and completes oil suction force feed flow process by promoting plunger generation to-and-fro 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 marked shown in 14 in accompanying drawing 1 for its structure.
Rolling bearing 15 described in the utility model refers to: rolling bearing; Its effect reduces friction, reduces power consumption, improves working life; Its design attitude is as marked shown in 15 in accompanying drawing 1.
Inner baffle ring 16 described in the utility model refers to: inner baffle ring; Its effect be sealing and dust-proof; Its design attitude is as marked shown in 16 in accompanying drawing 1.
Outer shroud 17 described in the utility model refers to: outer shroud; Its effect be sealing and dust-proof; Its design attitude is as marked shown in 17 in accompanying drawing 1.
embodiment 2:
The utility model produces to-and-fro motion by promoting plunger with the swash plate of inclination angle A, changes cylinder body plunger cavity internal volume and carry out sucking and eject the oil suction oil extraction function realizing pump, is provided with swash plate 2; And be 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 inner 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 described in the utility model refers to: wobbler shaft; Its effect is the central shaft of swash plate 2; Its design attitude is as marked shown in 2-1 in accompanying drawing 4.
Swash plate pin-and-hole 2-2 described in the utility model refers to: swash plate pin-and-hole; Its effect coordinates with swash plate positioning pin hole 1-2; Its design attitude is as marked shown in 2-2 in accompanying drawing 4.
Thrust plate limiting block ring recess 2-3 described in the utility model refers to: thrust plate limiting block ring recess; Its effect is the position of restriction thrust plate 4; Its design attitude is as marked shown in 2-3 in accompanying drawing 4.
embodiment 3:
The utility model reduces the friction effect between thrust plate 4 and piston spring assembly 5 to realize, and improves the function of service life of equipment, is provided with piston spring assembly sliding surface 4-1 and plunger sphere 5-8; Piston spring assembly sliding surface 4-1 is located at thrust plate 4 surface and contacts with the plunger sphere 5-8 on piston spring assembly 5.
Piston spring assembly sliding surface 4-1 described in the utility model refers to: piston spring assembly sliding surface; Its effect reduces the friction with piston spring assembly 5; Its design attitude is as marked shown in 4-1 in accompanying drawing 6.
Plunger sphere 5-8 described in the utility model refers to: plunger sphere; Its effect is fitted with the plane of thrust plate 4, reduces friction; Its design attitude is as marked shown in 5-8 in accompanying drawing 10.
embodiment 4:
The utility model is in order to realize when cylinder body 8 rotates, and piston spring assembly 5 just can to-and-fro motion in cylinder body, completes the function of whole oil suction and force feed process, is provided with piston spring assembly 5, cylinder body 8 and transmission shaft 14; And on piston spring assembly 5, be provided with plunger 5-1, steel ball 5-2, rear end spring seat 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; Transmission shaft 14 is provided with external splines 14-1, transmission shaft rolling bearing face adapted 14-2, flat key groove 14-3; It is inner that steel ball 5-2, rear end spring seat 5-3 and spring 5-4 are all located at 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 all located on cylinder body 8, and is symmetrically distributed; Axle hole of cylinder block 8-3 is the center hole of cylinder body 8; Cylinder body face adapted 8-4 is the surface of cylinder body 8, and it is inner that internal spline 8-5 is located at cylinder body 8; External splines 14-1 and flat key groove 14-3 is located at transmission shaft 14 two ends respectively; Transmission shaft rolling bearing face adapted 14-2 is located at surface, transmission shaft 14 neutral position.
Plunger 5-1 described in the utility model refers to: plunger; Which is provided with plunger steel-ball groove 5-6, plunger cavity 5-7, plunger sphere 5-8; Its effect is plunger to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize oil suction, force feed; Its structure is as shown in accompanying drawing 9,10, and its design attitude is as marked shown in 5-1 in accompanying drawing 8.
Rear end spring seat 5-3 described in the utility model refers to: rear end spring seat; Which is provided with rear end spring seat steel-ball groove 5-9, spring seat spring contact face, rear end 5-10; Its effect is for the installation of steel ball 5-2 and supporting and retaining spring; As shown in Figure 11, its design attitude is as marked shown in 5-3 in accompanying drawing 8 for its structure.
Spring 5-4 described in the utility model refers to: spring; Its effect has elastic potential energy, plunger 5-1 can be made always to abut against on piston spring assembly sliding surface 4-1, make plunger backhaul, complete to-and-fro motion; Its design attitude is as marked shown in 5-4 in accompanying drawing 8.
Front springs seat 5-5 described in the utility model 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 retaining spring and passes in and out oil; Its structure is as shown in accompanying drawing 12,13, and its design attitude is as marked shown in 5-5 in accompanying drawing 8.
Plunger hole 8-1 described in the utility model refers to: plunger hole; Its effect coordinates with plunger and forms enclosed volume, and its design attitude is as marked shown in 8-1 in accompanying drawing 15,17.
Cylinder body oilhole 8-2 described in the utility model refers to: cylinder body oilhole; Its effect is the turnover oilhole of cylinder body 8; Its design attitude is as marked shown in 8-2 in accompanying drawing 15,17.
Axle hole of cylinder block 8-3 described in the utility model refers to: axle hole of cylinder block; Its effect is the installation for cylinder body 8; Its design attitude is as marked shown in 8-3 in accompanying drawing 15,17.
Cylinder body face adapted 8-4 described in the utility model refers to: cylinder body face adapted; Its effect is the surface of contact of cylinder body 8 and oil distribution casing 9; Its design attitude is as marked shown in 8-4 in accompanying drawing 15,17.
Internal spline 8-5 described in the utility model refers to: internal spline; Its effect is connected with transmission shaft external splines 14-1, is make each position uniform force, increases the service life; Its design attitude is as marked shown in 8-5 in accompanying drawing 16,17.
External splines 14-1 described in the utility model refers to: external splines; Its effect is connected with cylinder body internal spline 8-5, and the rotary motion of transmission shaft is passed to cylinder body 8; Make each position uniform force, increase the service life; Its design attitude is as marked shown in 14-1 in accompanying drawing 30.
Transmission shaft rolling bearing face adapted 14-2 described in the utility model refers to: transmission shaft rolling bearing face adapted; Its effect is the surface of contact of transmission shaft 14 and rolling bearing 15; Its design attitude is as marked shown in 14-2 in accompanying drawing 30.
Flat key groove 14-3 described in the utility model refers to: flat key groove; Its effect leaves key for connect the place of placing flat key; Its design attitude is as marked shown in 14-3 in accompanying drawing 30.
embodiment 5:
The utility model twists off to prevent piston spring assembly 5 from making time rotational spring, is provided with steel ball 5-2; Steel ball 5-2 is located at piston spring assembly 5 interior forward end, connects rear end spring seat 5-3.
Steel ball 5-2 described in the utility model refers to: steel ball; Its effect is that when preventing rotation, spring 5-4 twists off; Its design attitude is as marked shown in 5-2 in accompanying drawing 8.
embodiment 6:
The function that the utility model distributes to realize oil circuit and abates the noise, is provided with oil distribution casing 9; And be 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 center hole 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 described in the utility model 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 marked shown in 9-1 in accompanying drawing 18,19,20.
Cusped edge groove 9-2 described in the utility model refers to: cusped edge groove; Its effect abates the noise; Its design attitude is as marked shown in 9-2 in accompanying drawing 18,19.
Oil distribution casing axis hole 9-3 described in the utility model refers to: oil distribution casing axis hole; Its effect is the installation for oil distribution casing 9; Its design attitude is as marked shown in 9-3 in accompanying drawing 18,19,20.
Oil distribution casing pin-and-hole 9-4 described in the utility model refers to: oil distribution casing pin-and-hole; Its effect is the position coordinating fixing oil distribution casing 9 with oil distribution casing positioning pin hole 11-7; Its design attitude is as marked shown in 9-4 in accompanying drawing 18,19.
End cap mounting hole 1-1 described in the utility model refers to: end cap mounting hole; Its effect is the installation for end cap 1; Its design attitude is as marked shown in 1-1 in accompanying drawing 2.
Swash plate positioning pin hole 1-2 described in the utility model refers to: swash plate positioning pin hole; Its effect is the adaptive position of swash plate 2 on end cap 1; Its design attitude is as marked shown in 1-2 in accompanying drawing 2.
Swash plate installation cavity 1-3 described in the utility model refers to: swash plate installation cavity; Its effect is the chamber of placing swash plate 2; Its design attitude is as marked shown in 1-3 in accompanying drawing 2.
Wobbler shaft through hole 4-2 described in the utility model refers to: wobbler shaft through hole; Its effect is the installation for wobbler shaft 2-1; Its design attitude is as marked shown in 4-2 in accompanying drawing 6.
Thrust-bearing face adapted 4-3 described in the utility model refers to: thrust-bearing face adapted; Its effect is the light face connecting laminating thrust-bearing 3; Its design attitude is as marked shown in 4-3 in accompanying drawing 7.
Plunger steel-ball groove 5-6 described in the utility model refers to: plunger steel-ball groove; Its effect is the installation for steel ball 5-2; Its design attitude is as marked shown in 5-6 in accompanying drawing 9.
Plunger cavity 5-7 described in the utility model refers to: plunger cavity; Its effect is the installation for miscellaneous part; Its design attitude is as marked shown in 5-7 in accompanying drawing 9,10.
Rear end spring seat steel-ball groove 5-9 described in the utility model refers to: rear end spring seat steel-ball groove; Its effect is the installation for steel ball 5-2; Its design attitude is as marked shown in 5-9 in accompanying drawing 11.
Rear end spring seat spring contact face 5-10 described in the utility model refers to: spring seat spring contact face, rear end; Its effect is the surface of contact of rear end spring seat 5-3 and spring 5-4; Its design attitude is as marked shown in 5-10 in accompanying drawing 11.
Front springs seat oilhole 5-11 described in the utility model refers to: front springs seat oilhole; Its effect is the passage of the turnover oil of plunger pump; Its design attitude is as marked shown in 5-11 in accompanying drawing 12.
Front springs seat spring contact face 5-12 described in the utility model refers to: front springs seat spring contact face; Its effect is the surface of contact of front springs seat 5-5 and spring 5-4; Its design attitude is as marked shown in 5-12 in accompanying drawing 13.
Cylinder sleeve needle bearing face adapted 7-1 described in the utility model refers to: cylinder sleeve needle bearing face adapted; Its effect is the surface of contact of cylinder sleeve 7 and needle bearing 6; Its design attitude is as marked shown in 7-1 in accompanying drawing 14.
Cylinder sleeve face adapted 7-2 described in the utility model refers to: cylinder sleeve face adapted; Its effect is the surface of contact of cylinder sleeve 7; Its design attitude is as marked shown in 7-2 in accompanying drawing 14.
Before pump case described in the utility model, mounting hole 10-1 refers to: mounting hole before pump case; Its effect is the installation for pump case 10 front portion; Its design attitude is as marked shown in 10-1 in accompanying drawing 21,23.
Oil leak hole 10-2 described in the utility model refers to: oil leak hole; Its effect prevents housing internal pressure too high, squeezes the sealing at bad pump shaft head place, so Leakage Energy will be linked into separately in fuel tank; Its design attitude is as marked shown in 10-2 in accompanying drawing 21,22,23.
After pump case described in the utility model, mounting hole 10-3 refers to: mounting hole after pump case; Its effect is the installation for pump case 10 rear portion; Its design attitude is as marked shown in 10-3 in accompanying drawing 22,23.
Pump case needle bearing face adapted 10-4 described in the utility model refers to: pump case needle bearing face adapted; Its effect is the surface of contact of pump case 10 and needle bearing 6; Its design attitude is as marked shown in 10-4 in accompanying drawing 22,23.
Plunger pump overall installation hole 11-1 described in the utility model refers to: plunger pump overall installation hole; Its effect is for the overall installation of plunger pump; Its design attitude is as marked shown in 11-1 in accompanying drawing 24.
Turnover oilhole 11-2 described in the utility model refers to: turnover oilhole; Its effect be the pump housing 11 enter oil discharge passage; Its design attitude is as marked shown in 11-2 in accompanying drawing 24,25,27.
After the pump housing described in the utility model, mounting hole 11-3 refers to: mounting hole after the pump housing; Its effect is the installation for the pump housing 11 rear portion; Its design attitude is as marked shown in 11-3 in accompanying drawing 24,25,26.
Before the pump housing described in the utility model, mounting hole 11-4 refers to: mounting hole before the pump housing; Its effect is the installation for the pump housing 11 front portion; Its design attitude is as marked shown in 11-4 in accompanying drawing 24.
Pump housing arc oil groove 11-5 described in the utility model refers to: pump housing arc oil groove; Its effect is the path of oil in the pump housing 11; Its design attitude is as marked shown in 11-5 in accompanying drawing 25,27.
Pump housing axis hole 11-6 described in the utility model refers to: pump housing axis hole; Its effect is the installation for the pump housing 11; Its design attitude is as marked shown in 11-6 in accompanying drawing 25,26,27.
Oil distribution casing positioning pin hole 11-7 described in the utility model refers to: oil distribution casing positioning pin 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 marked shown in 11-7 in accompanying drawing 25,26.
Pump housing rolling bearing face adapted 11-8 described in the utility model refers to: pump housing rolling bearing face adapted; Its effect is the surface of contact of the pump housing 11 and rolling bearing 15; Its design attitude is as marked shown in 11-8 in accompanying drawing 26,27.
Shaft seal cover mounting hole 12-1 described in the utility model refers to: shaft seal cover mounting hole; Its effect is the installation for shaft seal cover 12; Its design attitude is as marked shown in 12-1 in accompanying drawing 28,29.
Shaft seal cover axis hole 12-2 described in the utility model refers to: shaft seal cover axis hole; Its effect is the central shaft hole of shaft seal cover 12; Its design attitude is as marked shown in 12-2 in accompanying drawing 28,29.
Oil sealing face adapted 12-3 described in the utility model refers to: oil sealing face adapted; Its effect is the surface of contact with oil sealing 13; Its design attitude is as marked shown in 12-3 in accompanying drawing 29.
| Reference numerals | Mark title | Reference numerals | Mark 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 seat 5-3 |
| 4 | Thrust plate 4 | 5-4 | Spring 5-4 |
| 5 | Piston 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 seat steel-ball groove 5-9 |
| 10 | Pump case 10 | 5-10 | Spring seat 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 | 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 mounting hole 1-1 | 8-4 | Cylinder body face adapted 8-4 |
| 1-2 | Swash plate positioning pin 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 | Piston spring assembly sliding surface 4-1 | 10-1 | Mounting 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 | Mounting hole 10-3 after pump case |
| Reference numerals | Mark title | Reference numerals | Mark title |
| 10-4 | Pump case needle bearing face adapted 10-4 | 11-8 | Pump housing rolling bearing face adapted 11-8 |
| 11-1 | Plunger pump overall installation hole 11-1 | 12-1 | Shaft seal cover mounting hole 12-1 |
| 11-2 | Turnover oilhole 11-2 | 12-2 | Shaft seal cover axis hole 12-2 |
| 11-3 | Mounting hole 11-3 after the pump housing | 12-3 | Oil sealing face adapted 12-3 |
| 11-4 | Mounting hole 11-4 before the pump housing | 14-1 | External splines 14-1 |
| 11-5 | Pump housing arc oil groove 11-5 | 14-2 | 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 positioning pin hole 11-7 |
Claims (6)
1., for the axial piston pump that railway hydraulic is removed, it is characterized in that it comprises swash plate (2), piston spring assembly (5), cylinder body (8), oil distribution casing (9), 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 piston spring assembly (5); Described piston spring assembly (5) is installed on the plunger hole of cylinder body (8); Described oil distribution casing (9) connects the pump housing (11), realizes oil circuit and distributes; Described transmission shaft (14) is axial piston pump central shaft, drives piston spring assembly (5) and cylinder body (8) to rotate.
2. a kind of axial piston pump removed for railway hydraulic according to claim 1, is characterized in that being provided with swash plate (2); And be 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 inner 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) produces to-and-fro motion by promoting plunger with the swash plate of inclination angle A, changes cylinder body plunger cavity internal volume and carry out sucking and eject the oil suction oil extraction realizing pump; Described inclination angle A is swashplate angle, limits by radial force, and inclination angle A is no more than 20 °.
3. a kind of axial piston pump removed for railway hydraulic according to claim 1, is characterized in that being provided with piston spring assembly sliding surface (4-1) and plunger sphere (5-8); Piston spring assembly sliding surface (4-1) is located at thrust plate (4) surface and contacts with the plunger sphere (5-8) on piston spring assembly (5); The effect of described piston spring assembly sliding surface (4-1) and plunger sphere (5-8) reduces the friction effect between thrust plate (4) and piston spring assembly (5).
4. a kind of axial piston pump removed for railway hydraulic according to claim 1, is characterized in that being provided with piston spring assembly (5), cylinder body (8) and transmission shaft (14); And on piston spring assembly (5), be provided with plunger (5-1), steel ball (5-2), rear end spring seat (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); Transmission shaft (14) is provided with external splines (14-1), transmission shaft rolling bearing face adapted (14-2), flat key groove (14-3); It is inner that steel ball (5-2), rear end spring seat (5-3) and spring (5-4) are all located 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 all located on cylinder body (8), and are symmetrically distributed; Described axle hole of cylinder block (8-3) is the center hole of cylinder body (8); Described cylinder body face adapted (8-4) is the surface of cylinder body (8), and it is inner that internal spline (8-5) is located at cylinder body (8); Described external splines (14-1) and flat key groove (14-3) are located at transmission shaft (14) two ends respectively; Described transmission shaft rolling bearing face adapted (14-2) is located at surface, transmission shaft (14) neutral position.
5. a kind of axial piston pump removed for railway hydraulic according to claim 1, is characterized in that being provided with steel ball (5-2); Steel ball (5-2) is located at piston spring assembly (5) interior forward end, connects rear end spring seat (5-3); The effect of steel ball (5-2) prevents from piston spring assembly (5) from making time rotational spring to twist off.
6. a kind of axial piston pump removed for railway hydraulic according to claim 1, is characterized in that being provided with oil distribution casing (9); And be 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 center hole 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) realizes oil circuit distribute and abate the noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496996.XU CN204921279U (en) | 2015-07-11 | 2015-07-11 | A axial plunger pump that is used for railway hydraulic pressure to remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496996.XU CN204921279U (en) | 2015-07-11 | 2015-07-11 | A axial plunger pump that is used for railway hydraulic pressure to remove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921279U true CN204921279U (en) | 2015-12-30 |
Family
ID=54970413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520496996.XU Expired - Fee Related CN204921279U (en) | 2015-07-11 | 2015-07-11 | A axial plunger pump that is used for railway hydraulic pressure to remove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837727A (en) * | 2017-03-29 | 2017-06-13 | 燕山大学 | A kind of cam-type axial piston pump with porous media support pads |
| CN108678921A (en) * | 2017-11-30 | 2018-10-19 | 青岛力克川液压机械有限公司 | A kind of high-pressure plunger type hydraulic pump |
-
2015
- 2015-07-11 CN CN201520496996.XU patent/CN204921279U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837727A (en) * | 2017-03-29 | 2017-06-13 | 燕山大学 | A kind of cam-type axial piston pump with porous media support pads |
| CN108678921A (en) * | 2017-11-30 | 2018-10-19 | 青岛力克川液压机械有限公司 | A kind of high-pressure plunger type hydraulic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210711 |