CN111075678A - Oblique axis bevel gear pump - Google Patents

Oblique axis bevel gear pump Download PDF

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Publication number
CN111075678A
CN111075678A CN201911385528.4A CN201911385528A CN111075678A CN 111075678 A CN111075678 A CN 111075678A CN 201911385528 A CN201911385528 A CN 201911385528A CN 111075678 A CN111075678 A CN 111075678A
Authority
CN
China
Prior art keywords
shell
bevel gear
bearing
central
rotor shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911385528.4A
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Chinese (zh)
Inventor
孙晓浩
王福红
汤晓滢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Kenaili Machinery Manufacturing Co ltd
Original Assignee
Jiangsu Kenaili Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Kenaili Machinery Manufacturing Co ltd filed Critical Jiangsu Kenaili Machinery Manufacturing Co ltd
Priority to CN201911385528.4A priority Critical patent/CN111075678A/en
Publication of CN111075678A publication Critical patent/CN111075678A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014Details or component parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014Details or component parts
    • F04B1/2035Cylinder barrels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014Details or component parts
    • F04B1/2064Housings

Abstract

The invention relates to an inclined shaft bevel gear pump, which comprises a rotor shell and a bearing shell, wherein the rotor shell and the bearing shell are mutually connected, a sealing ring I is arranged at the joint of the rotor shell and the bearing shell, a plug I is arranged on the rotor shell, a plug II is arranged on the bearing shell, a bevel gear cylinder body is arranged in the rotor shell, one end of the bevel gear cylinder body is provided with a conical gear, the bevel gear cylinder body is connected with the rotor shell through a central pin shaft, an oil distribution disc is arranged at the joint of the bevel gear cylinder body and the rotor shell, the oil distribution disc is connected with the rotor shell through a positioning pin I, the central pin shaft is arranged in a central hole of the bevel gear cylinder body, and a needle bearing is arranged in the central hole and sleeved. The invention has the advantages of low noise, small volume, large displacement, light weight, high efficiency, small torsion, light and fast operation, long service life of accessories and low energy consumption.

Description

Oblique axis bevel gear pump
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a bevel shaft bevel gear pump.
Background
The existing through-shaft swash plate pump or motor mostly adopts a shaft spline to transmit a cylinder body, and the cylinder body drives a plunger to complete work, so that the friction force between a sliding shoe and a swash plate is large, the rotating torque force is large, the heating is easy, and accessories are easy to damage. Meanwhile, the angle of the swash plate cannot be too large, generally does not exceed 25 degrees, and the displacement is small and heavy.
The inclined shaft pump or the motor mostly adopts a main shaft to connect the plungers to drive the cylinder body to move, the torque force of the plungers is very large, if the stress points of the plungers are uneven, the plungers are easily twisted off, and the inner hole of the cylinder body can be strained or the cylinder is locked due to uneven stress.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art and provide the bevel-shaft bevel gear pump which is low in noise, small in size, large in displacement, light in weight, high in efficiency, small in torsion, light and fast in operation, long in service life of accessories and low in energy consumption.
The technical scheme is as follows: in order to solve the technical problem, the inclined shaft bevel gear pump comprises a rotor shell and a bearing shell which are connected with each other, a sealing ring I is arranged at the joint of the rotor shell and the bearing shell, a plug I is arranged on the rotor shell, a plug II is arranged on the bearing shell, a bevel gear cylinder body is arranged in the rotor shell, conical teeth are arranged at one end of the bevel gear cylinder body, the bevel gear cylinder body is connected with the rotor shell through a central pin shaft, an oil distribution disc is arranged at the joint of the bevel gear cylinder body and the rotor shell, the oil distribution disc is connected with the rotor shell through a positioning pin I, the central pin shaft is arranged in a central hole of the bevel gear cylinder body, a needle bearing is arranged in the central hole and sleeved on the central pin shaft, a plurality of plunger holes are arranged on the bevel gear cylinder body beside the central hole, a spring seat is arranged at one end of the central hole and is, one end of the central ejector rod is arranged on the spring seat in a penetrating mode and is connected with the spring seat through a shaft clamp spring I, a spring is sleeved outside the central ejector rod, the ball end of the central ejector rod is connected with the spline shaft, a plurality of ball sockets are arranged on the end face of the side spline shaft, a connecting rod plunger is arranged between the ball sockets and the plunger hole and comprises a connecting rod, one end of the connecting rod is connected with the plunger through a ball ring and an inner clamp spring, 2-4 uniformly distributed small planes are arranged in the middle of the outer wall of the plunger, the spline shaft is arranged in the bearing shell, a thrust bearing is arranged between the ball sockets and the plunger hole, the two thrust bearings are respectively a thrust bearing I and a thrust bearing II which are arranged in a positive-negative matching mode, a shaft clamp spring II is arranged at the joint of the thrust bearing II and the spline shaft, an oil seal is arranged on the outer side of the thrust, the oil seal seat is fixed in the bearing shell through a hole by a clamp spring II, a sealing ring II is arranged at the joint of the oil seal seat and the bearing shell, and a gear pair is arranged on the spline shaft outside the thrust bearing I and is connected with the thrust bearing I through a positioning pin II.
The rotor shell and the bearing shell are fixedly connected through four screws.
The rotor shell is provided with an oil return port I, and the oil return port I is provided with a plug I.
And an oil return opening II is formed in the bearing shell, and a plug II is arranged on the oil return opening.
Seven ball sockets are uniformly arranged on the end face of the spline shaft, and the number of the plunger holes is the same as that of the ball sockets.
The spline shaft is provided with two square keys, and the gear pair is arranged in the square keys.
The conical teeth and the gear pair are arranged in an aligned mode.
And a gap is reserved between the inner end face of the oil distribution disc and the rotor shell.
The bevel gear cylinder rotates within the rotor housing.
Two needle roller bearings are arranged in the central hole.
And the rotor shell is provided with two oil ports, eight threaded holes and an oil return port I.
The small plane is a milling groove.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the invention has reasonable integral structure, adopts a split structure, is flexible and convenient to install, the bevel gear cylinder body is fixed in the rotor shell through the central pin shaft, is firmly connected and can be detachably replaced, 2-4 uniformly distributed small planes are arranged in the middle of the outer wall of the plunger to play a role of balancing oil pressure and lubricating the cylinder body, the rotor shell is provided with a positioning pin I for positioning an oil distribution disc, the central hole of the bevel gear cylinder body is provided with two oilless needle roller bearings to reduce the surface friction between the cylinder body and the central pin shaft when the cylinder body rotates at high speed, the top end of the cylinder body is provided with the bevel gear, the bearing shell is provided with two thrust bearings which are adjusted and fixed by a clamp spring and a gasket, the thrust bearings fix the spline shaft in a positive and negative mode and prevent shaking and whipping, the spline shaft is provided with two square keys, a gear pair is fixed on the spline shaft, the spline, the central ball socket of integral key shaft is equipped with central ejector pin, be equipped with the spring on the central ejector pin, the other end is equipped with axle and uses jump ring I, it is tight with awl tooth cylinder body and join in marriage the food tray top, the other end of bearing housing is equipped with the oil blanket, the oil seal seat, sealing washer II, the hole is sealed oil with jump ring I and is prevented revealing, align awl tooth and gear pair after the dress is good, it connects rotor housing with sealing washer I and bearing housing to add four screws, be equipped with an oil return opening II on the bearing housing, tear off end cap II after the installation, connect the machine can, rotor housing is last to be equipped with two hydraulic fluid ports, eight screw holes and an oil return opening I, this device noise is little, and is small, the discharge capacity is big, light in weight, high efficiency, torsion is little.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connecting rod plunger of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 and 2, the oblique axis bevel gear pump of the invention comprises a rotor housing 1 and a bearing housing 2, which are fixedly connected by four screws, wherein a sealing ring i 3 is arranged at the joint of the rotor housing 1, an oil return port i is arranged on the rotor housing 1, a plug i 4 is arranged on the oil return port i, an oil return port ii is arranged on the bearing housing 2, a plug ii 5 is arranged on the oil return port, a bevel gear cylinder 6 is arranged in the rotor housing 1, the bevel gear cylinder 6 rotates in the rotor housing 1, one end of the bevel gear cylinder 6 is provided with a conical gear 7, the bevel gear cylinder 6 is connected with the rotor housing 1 by a central pin 8, an oil distribution disc 9 is arranged at the joint of the bevel gear cylinder 6 and the rotor housing 1, a gap is reserved between the inner end face of the oil distribution disc 9 and the rotor housing 1, the oil distribution disc 9 is connected with the rotor housing 1 by a positioning pin i 10, the central pin shaft 8 is arranged in a central hole 11 of the bevel gear cylinder body 6, two needle roller bearings 12 are arranged in the central hole 11 and are sleeved on the central pin shaft 8, seven plunger holes 13 are uniformly arranged on the bevel gear cylinder body 6 beside the central hole 11, one end of the central hole 11 is provided with a spring seat 14, the spring seat 14 is connected with a central ejector rod 15, one end of the central ejector rod 15 is arranged on the spring seat 14 in a penetrating way and is connected with the central ejector rod 15 through a shaft clamp spring I16, a spring 17 is sleeved outside the central ejector rod 15, the ball head end of the central ejector rod 15 is connected with a spline shaft 18, seven ball sockets 19 are uniformly arranged on the end surface of the spline shaft 18 at the side, a connecting rod plunger is arranged between the ball sockets 19 and the plunger holes 13 and comprises a connecting rod 20, one end of the connecting rod 20 is connected with a plunger 23 through a ball ring 21 and an inner clamp spring 22, 2-4 uniformly, the integral key shaft 18 is established in bearing housing 2, is equipped with thrust bearing between them, thrust bearing sets up two, is thrust bearing I25 and thrust bearing II 26 respectively, and they are just one and set up in the contrary cooperation thrust bearing II 26 is equipped with axle with integral key shaft 18 junction and uses jump ring II 27 be equipped with oil blanket 28 on the integral key shaft 18 in the thrust bearing II 26 outside, establish in oil seal seat 30 through jump ring I29 for the hole oil blanket 28, oil seal seat 30 is fixed in bearing housing 2 through jump ring II 31 for the hole, oil seal seat 30 is equipped with sealing washer II 32 with bearing housing 2 junction be equipped with gear pair 33 on the integral key shaft 18 in the thrust bearing I25 outside, gear pair 33 is established in the square key, and they link to each other through locating pin II 34, conical tooth 7 and gear pair 33 are set up well. The invention has reasonable integral structure, adopts a split structure, is flexible and convenient to install, the bevel gear cylinder body is fixed in the rotor shell through the central pin shaft, is firmly connected and can be detachably replaced, 2-4 uniformly distributed small planes are arranged in the middle of the outer wall of the plunger to play a role of balancing oil pressure and lubricating the cylinder body, the rotor shell is provided with a positioning pin I for positioning an oil distribution disc, the central hole of the bevel gear cylinder body is provided with two oilless needle roller bearings to reduce the surface friction between the cylinder body and the central pin shaft when the cylinder body rotates at high speed, the top end of the cylinder body is provided with the bevel gear, the bearing shell is provided with two thrust bearings which are adjusted and fixed by a clamp spring and a gasket, the thrust bearings fix the spline shaft in a positive and negative mode and prevent shaking and whipping, the spline shaft is provided with two square keys, a gear pair is fixed on the spline shaft, the spline, the central ball socket of integral key shaft is equipped with central ejector pin, be equipped with the spring on the central ejector pin, the other end is equipped with axle and uses jump ring I, it is tight with awl tooth cylinder body and join in marriage the food tray top, the other end of bearing housing is equipped with the oil blanket, the oil seal seat, sealing washer II, the hole is sealed oil with jump ring I and is prevented revealing, align awl tooth and gear pair after the dress is good, it connects rotor housing with sealing washer I and bearing housing to add four screws, be equipped with an oil return opening II on the bearing housing, tear off end cap II after the installation, connect the machine can, rotor housing is last to be equipped with two hydraulic fluid ports, eight screw holes and an oil return opening I, this device noise is little, and is small, the discharge capacity is big, light in weight, high efficiency, torsion is little.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.

Claims (10)

1. Oblique axis awl tooth pump, its characterized in that: the oil distribution device comprises a rotor shell (1) and a bearing shell (2), which are connected with each other, a sealing ring I (3) is arranged at the joint of the rotor shell and the bearing shell, a plug I (4) is arranged on the rotor shell (1), a plug II (5) is arranged on the bearing shell (2), a cone gear cylinder body (6) is arranged in the rotor shell (1), cone teeth (7) are arranged at one end of the cone gear cylinder body (6), the cone gear cylinder body (6) is connected with the rotor shell (1) through a central pin shaft (8), an oil distribution disc (9) is arranged at the joint of the cone gear cylinder body (6) and the rotor shell (1), the oil distribution disc (9) is connected with the rotor shell (1) through a positioning pin I (10), the central pin shaft (8) is arranged in a central hole (11) of the cone gear cylinder body (6), a needle roller bearing (12) is arranged in the central hole (11, the connecting rod plunger piston is sleeved on a central pin shaft (8), a plurality of plunger holes (13) are formed in a bevel gear cylinder body (6) beside a central hole (11), a spring seat (14) is arranged at one end of the central hole (11), the spring seat (14) is connected with a central ejector rod (15), one end of the central ejector rod (15) is arranged on the spring seat (14) in a penetrating mode, the central ejector rod (15) is connected with a clamp spring I (16) through a shaft, a spring (17) is sleeved outside the central ejector rod (15), the ball head end of the central ejector rod (15) is connected with a spline shaft (18), a plurality of ball sockets (19) are arranged on the end face of the spline shaft (18) at the side, a connecting rod plunger piston is arranged between the ball sockets (19) and the plunger holes (13) and comprises a connecting rod (20), one end of the connecting rod (20) is connected with a plunger piston (23) through a ball ring (21) and an inner clamp spring (22), 2-, the spline shaft (18) is arranged in the bearing shell (2), a thrust bearing is arranged between the spline shaft and the bearing shell, the two thrust bearings are respectively a thrust bearing I (25) and a thrust bearing II (26) which are arranged in a positive-negative matching way, a shaft clamp spring II (27) is arranged at the joint of the thrust bearing II (26) and the spline shaft (18), an oil seal (28) is arranged on the spline shaft (18) at the outer side of the thrust bearing II (26), the oil seal (28) is arranged in an oil seal seat (30) through a hole by a clamp spring I (29), the oil seal seat (30) is fixed in the bearing shell (2) through a hole by a clamp spring II (31), and a sealing ring II (32) is arranged at the joint of the oil seal seat (30) and the bearing shell (2), and a gear pair (33) is arranged on the spline shaft (18) on the outer side of the thrust bearing I (25) and is connected with the bearing shell through a positioning pin II (34).
2. The bevel axis bevel gear pump as defined in claim 1, wherein: the rotor shell (1) and the bearing shell (2) are fixedly connected through four screws.
3. The bevel axis bevel gear pump as defined in claim 1, wherein: the rotor shell (1) is provided with an oil return opening I, and the oil return opening I is provided with a plug I (4).
4. The bevel axis bevel gear pump as defined in claim 1, wherein: an oil return opening II is formed in the bearing shell (2), and a plug II (5) is arranged on the oil return opening.
5. The bevel axis bevel gear pump as defined in claim 1, wherein: seven ball sockets (19) are uniformly arranged on the end face of the spline shaft (18), and the number of the plunger holes (13) is the same as that of the ball sockets (19).
6. The bevel axis bevel gear pump as defined in claim 1, wherein: the spline shaft (18) is provided with two square keys, and the gear pair (33) is arranged in the square keys.
7. The bevel axis bevel gear pump as defined in claim 1, wherein: the conical teeth (7) and the gear pair (33) are arranged in an aligned mode.
8. The bevel axis bevel gear pump as defined in claim 1, wherein: and a gap is reserved between the inner end surface of the oil distribution disc (9) and the rotor shell (1).
9. The bevel axis bevel gear pump as defined in claim 1, wherein: the bevel gear cylinder body (6) rotates in the rotor shell (1).
10. The bevel axis bevel gear pump as defined in claim 1, wherein: two needle roller bearings (12) are arranged in the central hole (11).
CN201911385528.4A 2019-12-29 2019-12-29 Oblique axis bevel gear pump Pending CN111075678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911385528.4A CN111075678A (en) 2019-12-29 2019-12-29 Oblique axis bevel gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911385528.4A CN111075678A (en) 2019-12-29 2019-12-29 Oblique axis bevel gear pump

Publications (1)

Publication Number Publication Date
CN111075678A true CN111075678A (en) 2020-04-28

Family

ID=70319090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911385528.4A Pending CN111075678A (en) 2019-12-29 2019-12-29 Oblique axis bevel gear pump

Country Status (1)

Country Link
CN (1) CN111075678A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731593A (en) * 1969-03-13 1973-05-08 Uulkan Kupplungs U Getriebebau Axial piston pump
CN201129278Y (en) * 2007-11-23 2008-10-08 华中科技大学 Inclined shaft type sea water plunger pump based on gear transmission
CN202900558U (en) * 2012-11-26 2013-04-24 重庆红江机械有限责任公司 Inclined-shaft type ration plunger pump
CN105909500A (en) * 2016-06-03 2016-08-31 陕西理工学院 Plunger pump driving device with automatic compensation function
CN107387352A (en) * 2017-09-21 2017-11-24 方乐 A kind of inclined shaft pump of gear drivig cylinder motion
CN109236599A (en) * 2018-12-03 2019-01-18 广州市华欣液压有限公司 Synchronous bent axis type axial piston pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731593A (en) * 1969-03-13 1973-05-08 Uulkan Kupplungs U Getriebebau Axial piston pump
CN201129278Y (en) * 2007-11-23 2008-10-08 华中科技大学 Inclined shaft type sea water plunger pump based on gear transmission
CN202900558U (en) * 2012-11-26 2013-04-24 重庆红江机械有限责任公司 Inclined-shaft type ration plunger pump
CN105909500A (en) * 2016-06-03 2016-08-31 陕西理工学院 Plunger pump driving device with automatic compensation function
CN107387352A (en) * 2017-09-21 2017-11-24 方乐 A kind of inclined shaft pump of gear drivig cylinder motion
CN109236599A (en) * 2018-12-03 2019-01-18 广州市华欣液压有限公司 Synchronous bent axis type axial piston pump

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