CN2622454Y - Crankshaft connecting rod type hydraulic motor - Google Patents

Crankshaft connecting rod type hydraulic motor Download PDF

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Publication number
CN2622454Y
CN2622454Y CN 03231170 CN03231170U CN2622454Y CN 2622454 Y CN2622454 Y CN 2622454Y CN 03231170 CN03231170 CN 03231170 CN 03231170 U CN03231170 U CN 03231170U CN 2622454 Y CN2622454 Y CN 2622454Y
Authority
CN
China
Prior art keywords
connecting rod
cartridge clip
hydraulic motor
bent axle
housing
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.)
Expired - Lifetime
Application number
CN 03231170
Other languages
Chinese (zh)
Inventor
翁振涛
李庆
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.)
Ningbo Hoyea Machinery Manufacture Co Ltd
Original Assignee
Ningbo Hoyea Machinery Manufacture 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 Ningbo Hoyea Machinery Manufacture Co Ltd filed Critical Ningbo Hoyea Machinery Manufacture Co Ltd
Priority to CN 03231170 priority Critical patent/CN2622454Y/en
Application granted granted Critical
Publication of CN2622454Y publication Critical patent/CN2622454Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A crankshaft connecting rod type hydraulic motor includes an oil through disc, a front cover and a plunger piston cover fixed with a housing which is provided with a hydraulic flow passage, plunger piston-connecting rod components, a bent axle, and a pedestal bearing of the bent axle as well as an oil distributing disc in the housing, wherein a cylindrical roller and a bearing sleeve are arranged between the connecting rod and the eccenter of the bent axle. The cylindrical roller is arranged in the cylindrical roller slot of an elastic clip and the annular elastic clip is a half-and-half divided or multi-isotonic divided detachable elastic clip which can be a double-side groove structure and a single-side groove structure as well. As the utility model adopts the structure to use the elastic clip to isolate the metal cylindrical roller, no slide friction generates between cylindrical rollers when the crankshaft connecting rod type hydraulic motor is in a rotating process which reduces the operation noise and energy consumption of the motor and improves the service life simultaneously.

Description

The crankshaft connecting rod type oil hydraulic motor
Technical field
The utility model relates to a kind of oil hydraulic motor, particularly relates to a kind of crankshaft connecting rod type oil hydraulic motor.
Background technique
The crankshaft connecting rod type oil hydraulic motor is can convert hydraulic pressure to mechanical energy, a kind of hydraulic actuator of output rotation motion, form by plunger-link assembly, crankshaft group and bearing thereof in logical food tray, oil distribution casing, housing and the housing, between plunger-link assembly and the crankshaft eccentric wheel roller and bearing housing are arranged, mutual gap between the metal roller guaranteed by when assembling, in the annulus of supporting ring and the formation of crankshaft eccentric wheel, correlation technique discloses in Chinese patent 97212342.3 and 98224223.9 the metal roller by circle distribution.But when the crankshaft connecting rod type oil hydraulic motor is worked in these prior aries, mutual gap between its metal roller remains on original initial position by surface friction drag, because roller all is a metalwork, both very likely are in contact with one another under external force and collide, just like because of change in friction force and eccentric wheel variation of force, the clearance space that causes each roller to have can not guarantee, each roller collides each other, and resultant additional friction, collision and wearing and tearing cause that the oil hydraulic motor noise is big, energy consumption is high, the life-span is short.
Summary of the invention
The purpose of this utility model is to provide at above-mentioned the deficiencies in the prior art the crankshaft connecting rod type oil hydraulic motor of a kind of low noise, low energy consumption, long service life.Can reach by the following technical programs: the crankshaft connecting rod type oil hydraulic motor, comprise: with fixing logical food tray, protecgulum, the cover of plunger of the housing that has the hydraulic pressure runner, plunger, connecting rod, bent axle and oil distribution casing in the housing, wherein oil distribution casing one end is connected with bent axle, and the other end communicates with logical food tray; Bent axle is fixed in housing and the protecgulum by the bearing supporting; Between connecting rod and the crankshaft eccentric wheel roller and bearing housing are arranged.Described roller is installed in the roller slot of annular cartridge clip; Described annular cartridge clip is half-and-half separately, or the split type cartridge clip of many five equilibriums; Described annular cartridge clip can be two-sided groove structure, the bilateral symmetry of cartridge clip center ring be uniform-distribution with waist shape cartridge clip post at regular intervals to each other; Described annular cartridge clip also can be the single face groove structure, is uniform-distribution with waist shape cartridge clip post at regular intervals to each other in a side of cartridge clip center ring.
Crankshaft connecting rod type oil hydraulic motor described in the utility model is owing to adopted cartridge clip to come the structure of isolating metal roller, make crankshaft connecting rod type oil hydraulic motor metal roller in operation process can not produce friction each other, thereby reduced the noise and the energy consumption that produce in the motor operation process, improved working life simultaneously.
Description of drawings
Fig. 1 is total assembling structure sectional view of crankshaft connecting rod type oil hydraulic motor described in the utility model
Fig. 2 is a kind of structural drawing of cartridge clip in the crankshaft connecting rod type oil hydraulic motor described in the utility model
Fig. 3 is the another kind of structural drawing of cartridge clip in the crankshaft connecting rod type oil hydraulic motor described in the utility model
Embodiment
With reference to accompanying drawing, will be described in detail specific embodiments of the present utility model.
As shown in Figure 1, the logical food tray 30 of crankshaft connecting rod type oil hydraulic motor described in the utility model is connected with housing 1 screw, and seal ring 24 is housed therebetween, and an end of oil distribution casing 27 is connected with an end of bent axle 15, and the other end is relative with logical food tray.In the plunger case that the cover of plunger 22 of radial even distributed 5-9 odd number cavity and similar number forms on the circumference of housing 1 slidably plunger 20 is housed respectively, plunger 20 is connected with the bulb of connecting rod 19.Bent axle 15 is by bearing 2,9 supportings at two ends, be fixed in housing 1 and the protecgulum 12, bearing was located in the bearing hole of housing 1 and protecgulum 12 in 2,9 minutes, oil sealing 13 prevents that oil from oozing out from the protecgulum axis hole, bearing housing 5 by the spherical shape of a plurality of roller 6 supportings is housed on the eccentric wheel of bent axle 15, roller 6 is installed in the roller slot of annular cartridge clip 33, and bearing housing 5 connects with connecting rod 19.The axis of connecting rod 19 and plunger 20 passes through the center of bearing housing 5 all the time, thereby connecting rod 19 and the no lateral force of plunger 20 swings.
During work, high pressure oil enters oil distribution casing with bent axle 15 rotations from the oil inlet hole of oil distribution casing 27, and the runner on housing 1 enters the top of plunger 20, enters the bottom counter balance pocket of plunger 20 again through throttling pore.Lead to the plunger 20 of high pressure oil this moment under the effect of high pressure oil, by connecting rod 19, bearing housing 5 and roller 6 are delivered to power on the eccentric wheel of bent axle 15, bent axle rotates under the eccentric moment effect, along with high pressure oil enters, plunger 20 moves until lower dead centre to axis direction, plunger cavity on the housing 1 is connected with return opening by oil distribution casing 27 beginnings, plunger 20 this moment quilt under the promotion of bent axle 15 is pushed away axis direction and is moved, plunger 20 and shell are stopped 1 plunger cavity volume reducing, low pressure oil is through the housing runner, oil distribution casing 27 and logical food tray 30 are expelled back into return opening, each plunger is connected high pressure oil and low pressure oil successively, the driving moment addition in the same way that the plunger of each logical high pressure oil is produced the output shaft center is that hydraulic motor output shaft obtains continuous and stable flywheel moment with regard to making bent axle 15.When changing hydraulic oil oil-feed direction, just can change the sense of rotation of oil hydraulic motor, if, also can realize the counter-rotating of oil hydraulic motor with ° assembling of oil distribution casing 27 Rotate 180s.Because there is not lateral force in plunger 20 with housing 1, and plunger 20 bottom design become static balance, transmit torsion by roller 6 between plunger 20 and the bent axle 15 by cartridge clip 33 supportings, roller 6 is installed in the roller slot of cartridge clip 33, there is not the possibility of collision contact each other in roller, reduced the frictional loss in the power transmission process, thereby oil hydraulic motor has very high mechanical efficiency, characteristics such as high starting torque and low noise
As shown in Figure 2, annular cartridge clip in the crankshaft connecting rod type oil hydraulic motor described in the utility model can be two-sided groove structure, the bilateral symmetry of cartridge clip center ring be uniform-distribution with waist shape cartridge clip post at regular intervals to each other, two adjacent waist shape cartridge clip posts form roller slots.For ease of cartridge clip being installed on the eccentric wheel of bent axle, annular cartridge clip can be divided half-and-half open, or many five equilibriums, make split type cartridge clip.
As shown in Figure 3, annular cartridge clip in the crankshaft connecting rod type oil hydraulic motor described in the utility model also can be the single face groove structure, side at the cartridge clip center ring is uniform-distribution with waist shape cartridge clip post at regular intervals to each other, and two adjacent waist shape cartridge clip posts form roller slot.Follow the cartridge clip that to select different structure and size according to different roller sizes and installation dimension for use.

Claims (4)

1. crankshaft connecting rod type oil hydraulic motor, comprise: with fixing logical food tray (30), protecgulum (12), the cover of plunger (22) of the housing that has the hydraulic pressure runner (1), plunger (20), connecting rod (19), bent axle (15) and oil distribution casing (27) in the housing, wherein an end of oil distribution casing (27) is connected with bent axle (15), and the other end communicates with logical food tray (30); Bent axle (15) is fixed in housing (1) and the protecgulum (12) by bearing (2,9) supporting; Between connecting rod (19) and bent axle (15) eccentric wheel roller (6) and bearing housing (5) are arranged, it is characterized in that: described roller (6) is installed in the roller slot of annular cartridge clip (33).
2. crankshaft connecting rod type oil hydraulic motor as claimed in claim 1 is characterized in that described annular cartridge clip (33) is half-and-half separately, or the split type cartridge clip of many five equilibriums.
3. crankshaft connecting rod type oil hydraulic motor as claimed in claim 1 or 2 is characterized in that described annular cartridge clip (33) can be two-sided groove structure, the bilateral symmetry of cartridge clip center ring be uniform-distribution with waist shape cartridge clip post at regular intervals to each other.
4. crankshaft connecting rod type oil hydraulic motor as claimed in claim 1 or 2 is characterized in that described annular cartridge clip (33) also can be the single face groove structure, is uniform-distribution with waist shape cartridge clip post at regular intervals to each other in a side of cartridge clip center ring.
CN 03231170 2003-05-16 2003-05-16 Crankshaft connecting rod type hydraulic motor Expired - Lifetime CN2622454Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03231170 CN2622454Y (en) 2003-05-16 2003-05-16 Crankshaft connecting rod type hydraulic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03231170 CN2622454Y (en) 2003-05-16 2003-05-16 Crankshaft connecting rod type hydraulic motor

Publications (1)

Publication Number Publication Date
CN2622454Y true CN2622454Y (en) 2004-06-30

Family

ID=34247999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03231170 Expired - Lifetime CN2622454Y (en) 2003-05-16 2003-05-16 Crankshaft connecting rod type hydraulic motor

Country Status (1)

Country Link
CN (1) CN2622454Y (en)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20050216

C25 Abandonment of patent right or utility model to avoid double patenting