CN202851527U - Digital servo hydraulic motor cooling device - Google Patents

Digital servo hydraulic motor cooling device Download PDF

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Publication number
CN202851527U
CN202851527U CN 201220430901 CN201220430901U CN202851527U CN 202851527 U CN202851527 U CN 202851527U CN 201220430901 CN201220430901 CN 201220430901 CN 201220430901 U CN201220430901 U CN 201220430901U CN 202851527 U CN202851527 U CN 202851527U
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CN
China
Prior art keywords
oil
hydraulic motor
outlet
hydraulic
mouth
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Expired - Fee Related
Application number
CN 201220430901
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Chinese (zh)
Inventor
范长庚
王燕
王建全
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TIANJIN SECOND MACHINE TOOL CO Ltd
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TIANJIN SECOND MACHINE TOOL CO Ltd
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Priority to CN 201220430901 priority Critical patent/CN202851527U/en
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Publication of CN202851527U publication Critical patent/CN202851527U/en
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Abstract

The utility model relates to a digital servo hydraulic motor cooling device. A servo motor is connected with a both-way metering pump through a coupler so that the servo motor is a digital servo pump. An oil inlet A and an oil outlet B of the both-way metering pump are respectively connected with an oil inlet A and an oil outlet B of a hydraulic motor through hydraulic pipe fittings, and two one-way valves are connected between the oil inlets A and the oil outlets B in parallel. An oil cooling machine oil outlet B1 of an oil cooling machine provided with an oil tank is provided with three outlet branches, a first outlet branch is connected on the P0 position between the two one-way valves, a second outlet branch is connected with a first oil discharge port P1 of the both-way metering pump, and a third outlet branch is connected with a first oil discharge port P2 of the hydraulic motor. A second oil discharge port T1 of the both-way metering pump and a second oil discharge port T2 of the hydraulic motor are connected in oil cooling through connection with hydraulic pipe fittings of an oil cooling machine return port A1. The digital servo hydraulic motor cooling device can achieve the functions of oil recharging and cooling for the both-way metering pump and the hydraulic motor, constant-temperature operation of the servo pump and the hydraulic motor can be achieved, system structure is simplified greatly, and cost is reduced.

Description

A kind of digital servo-hydraulic motor cooling device
Technical field
The utility model belongs to the cooling unit technical field, particularly a kind of digital servo-hydraulic motor cooling device, and this cooling unit is realized the slow-speed of revolution, large driving torque, high-precision numerical control machine and engineering machinery device applicable to needs.
Background technique
Along with developing rapidly of global economy, the quick raising of people's level of consumption, so the needs of the energy increase day by day, expect and tap a new source of energy, the manufacturing technology process of equipping for tapping a new source of energy is in urgent need to be improved.Because oil hydraulic motor can provide the power of the slow-speed of revolution, large driving torque, when continuous operation, piston and hydraulic motor casing friction can cause heating, and meanwhile internal piston also produces leakage, causes power loss; Because also there is the leakage rate about 3% ~ 10% in the servopump inside that actuating motor and two-way quantitative pump form, need constantly to replenish hydraulic oil by slippage pump simultaneously, thereby realize continuously accurately rotation, piston and the friction of servopump housing also can cause heating; Need an independent cover slippage pump equipment such as traditional oil hydraulic motor running, a small amount of oil pressure is entered in the active chamber of oil hydraulic motor sealing, leak in the hydraulic motor casing when being used for replenishing the interior running of active chamber, and the oil in the hydraulic motor casing needs to access oil sump tank.For repairing and the cooling that solves two-way quantitative pump and oil hydraulic motor, usually adopt two recharging oil devices and two cover cooling units, this causes the hydraulic system overcomplicated, large, installation difficulty takes up room.
Summary of the invention
The purpose of this utility model be provide a kind of and can realize simultaneously that repairing and cooling, realization hydraulic oil are unified focus utilization, guaranteed that the hydraulic oil temperature rise is low for solving the technical problem that exists in the known technology, hydraulic element long service life, hydraulic system are reliable and stable, the digital servo-hydraulic motor cooling device of clean environment firendly.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of digital servo-hydraulic motor cooling device, comprise numerical control system, actuating motor, two-way quantitative pump, oil hydraulic motor and hydraulic connecting pipe fitting, described actuating motor is connected with the two-way quantitative pump by coupling, make it to become digital servopump, oil inlet and outlet A, the B mouth by hydraulic tube piece connecting fluid pressure motor respectively into and out of hydraulic fluid port A, B mouth of described two-way quantitative pump, two one-way valves in parallel between two groups of A, B, also include the oil cooling machine with fuel tank, the oil cooling machine oil outlet B of described oil cooling machine with fuel tank 1Three outlet branches are arranged, and primary outlet branch is connected to P between two one-way valves 0The place, second outlet branch connects two-way quantitative pump the first P of unloading port 1, the 3rd outlet branch connects oil hydraulic motor the first P of unloading port 2, two-way quantitative pump the second T of unloading port 1With oil hydraulic motor the second T of unloading port 2By connecting oil cooling machine return opening A 1Hydraulic tube piece connect back in the oil cooling machine.
Described oil cooling machine oil outlet B 1Three outlet branches throttling stop valves of all respectively connecting.
The oil inlet and outlet A into and out of hydraulic fluid port A, B mouth and oil hydraulic motor of described two-way quantitative pump, B mouth connect afterwards two direct-acting overflow valves in parallel between two groups of A, B by hydraulic tube piece respectively.
The oil inlet and outlet A into and out of hydraulic fluid port A, B mouth and oil hydraulic motor of described two-way quantitative pump, B mouth connect two pressure transducers after connecting by hydraulic tube piece respectively between two groups of A, B.
Described two-way quantitative pump into and out of two direct-acting overflow valves in parallel between oil inlet and outlet A, B mouth two groups of A, B of hydraulic fluid port A, B mouth and the oil hydraulic motor that is connected by hydraulic tube piece, connect simultaneously two pressure transducers.
The output shaft of described oil hydraulic motor is by the revolving table of coupling linking number controlled machine, and described revolving table is connected with the circle grating.
Advantage and the good effect that the utlity model has are:
(1) replenishes on the one hand two-way quantitative pump and oil hydraulic motor with the oil cooling machine of fuel tank and leak oil, what replenish also is cooled hydraulic oil, play certain two-way quantitative pump refrigeration, provide cooling liquid, good reduction two-way quantitative pump and the heating of oil hydraulic motor on the other hand two-way quantitative pump and hydraulic motor shell;
(2) three throttling stop valves are used for regulating accurate fluid flow, the fluid function that can be used for ending a certain branch line in special circumstances;
(3) two one-way valves are to prevent that the oil pressure in the two-way quantitative pump from entering in the oil cooling machine, cause the oil hydraulic motor rotation unstable;
(4) two pressure gauges are for detecting the maximum pressure of oil in the circulatory system, if overpressure then should regulation relief valve, two relief valves play safety valve simultaneously, guarantee to end the oil pressure that circulates between two-way quantitative pump and the oil hydraulic motor and are unlikely to too high and the damage circulatory system.
Description of drawings
Fig. 1 is the utility model structure principle chart;
Fig. 2 is the utility model structural front view;
Fig. 3 is Fig. 2 plan view.
Among Fig. 1, Fig. 2 and Fig. 3,1. numerical control system, 2. command signal, 3. actuating motor, 4. two-way quantitative pump, 5. with the oil cooling machine of fuel tank, 6. throttling stop valve, 7. one-way valve, 8. direct-acting overflow valve, 9. pressure transducer, 10. oil hydraulic motor, 11. turntables, 12. coupling, 13. circle gratings.
Embodiment
For further understanding model utility content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1 and Fig. 2, a kind of digital servo-hydraulic motor cooling device, mainly comprise: numerical control system 1, actuating motor 3, two-way quantitative pump 4, the oil cooling machine 5 with fuel tank, one-way valve 7, direct-acting overflow valve 8, oil hydraulic motor 10 and hydraulic connecting pipe fitting, wherein two direct-acting overflow valves 8 play safety valve simultaneously.Actuating motor 3 is connected with two-way quantitative pump 4 by coupling 12, make it to become digital servopump, oil inlet and outlet A, the B mouth by hydraulic tube piece connecting fluid pressure motor 10 respectively into and out of hydraulic fluid port A, B mouth of two-way quantitative pump 4, two direct-acting overflow valves 8 in parallel between two groups of A, B, simultaneously two one-way valves 7 in parallel, two pressure transducers 9 of connection; Oil cooling machine 5 charge oil pressures with fuel tank can be regulated between 0.3 ~ 1.0MPa, oil cooling machine oil outlet B 1Three outlet branches are arranged, and three outlet branches throttling stop valves 6 of all respectively connecting, primary outlet branch is connected to P between two one-way valves 0, second outlet branch connects two-way quantitative pump the first P of unloading port 1, the 3rd outlet branch connects oil hydraulic motor the first P of unloading port 2, two-way quantitative pump the second T of unloading port 1With oil hydraulic motor the second T of unloading port 2Be return opening, by connecting oil cooling machine return opening A 1Hydraulic tube piece connect back in the oil cooling machine.
Oil cooling machine 5 with fuel tank is comprised of three phase electric machine, gear pump, relief valve, condenser, capillary tube, vaporizer, compressor, fuel tank, fan, device for drying and filtering, digital display temperature controller, pressure controller etc., wherein compressor, condenser, device for drying and filtering, capillary tube, vaporizer etc. form refrigeration cycle, deep fat in the fuel tank is sucked by gear pump, heat absorption turns cold through vaporizer, then flow back to fuel tank, by the temp controller set temperature value, thereby the start-stop of control compressor is effectively controlled the fuel tank oil temperature within the specific limits.
The utility model novel structure is advanced, owing to having adopted oil cooling machine to serve as the effect of slippage pump, give digital servopump repairing, and oil cooling machine is given digital servopump and oil hydraulic motor circulating cooling simultaneously, realization hydraulic oil is unified focus utilization, guarantees that the hydraulic oil temperature rise is low, the hydraulic element long service life, hydraulic system is reliable and stable, clean environment firendly.
Meanwhile, but hydraulic motor output shaft is by the revolving table 11 of coupling linking number controlled machine, use circle grating 13 that the angle of swing of revolving table is fed back in the middle of the numerical control system 1 by command signal 2, make numerical control system 1 realize closed-loop control revolving table 11, reach very high Location accuracy; If be connected on the rotary component of functional machinery, can well be applied.
In a word, the utility model is compared to traditional oil hydraulic motor, have long, heating of life-span less, run stability good reliability, characteristics that precision is high.
The utility model is rational in infrastructure, used oil cooling machine, not only can be implemented as the effect of two-way quantitative pump and oil hydraulic motor repairing, simultaneously can also provide cold oil for two-way quantitative pump and hydraulic motor shell, realize the running of servopump and oil hydraulic motor constant temperature, thereby simplied system structure has reduced a large amount of accessories greatly, has reduced cost.
Above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the claim that this creation is advocated, and are not limited to those disclosed embodiments.

Claims (6)

1. digital servo-hydraulic motor cooling device, comprise numerical control system (1), actuating motor (3), two-way quantitative pump (4), oil hydraulic motor (10) and hydraulic connecting pipe fitting, described actuating motor (3) is connected with two-way quantitative pump (4) by coupling (12), make it to become digital servopump, advancing of described two-way quantitative pump (4), oil outlet A, the B mouth passes through respectively the oil inlet and outlet A of hydraulic tube piece connecting fluid pressure motor (10), the B mouth, at two groups of A, two one-way valves (7) in parallel between the B, it is characterized in that, also include the oil cooling machine (5) with fuel tank, the oil cooling machine oil outlet B of described oil cooling machine with fuel tank (5) 1Three outlet branches are arranged, and primary outlet branch is connected to P between two one-way valves (7) 0The place, second outlet branch connects two-way quantitative pump the first P of unloading port 1, the 3rd outlet branch connects oil hydraulic motor the first P of unloading port 2, two-way quantitative pump the second T of unloading port 1With oil hydraulic motor the second T of unloading port 2By connecting oil cooling machine return opening A 1Hydraulic tube piece connect back in the oil cooling machine.
2. a kind of digital servo-hydraulic motor cooling device according to claim 1 is characterized in that, described oil cooling machine oil outlet B 1Three outlet branches throttling stop valves (6) of all respectively connecting.
3. a kind of digital servo-hydraulic motor cooling device according to claim 1, it is characterized in that, the oil inlet and outlet A into and out of hydraulic fluid port A, B mouth and oil hydraulic motor (10) of described two-way quantitative pump (4), B mouth connect afterwards two direct-acting overflow valves (8) in parallel between two groups of A, B by hydraulic tube piece respectively.
4. a kind of digital servo-hydraulic motor cooling device according to claim 1, it is characterized in that, the oil inlet and outlet A into and out of hydraulic fluid port A, B mouth and oil hydraulic motor (10) of described two-way quantitative pump (4), B mouth connect two pressure transducers (9) after connecting by hydraulic tube piece respectively between two groups of A, B.
5. a kind of digital servo-hydraulic motor cooling device according to claim 1, it is characterized in that, described two-way quantitative pump (4) into and out of two direct-acting overflow valves (8) in parallel between oil inlet and outlet A, B mouth two groups of A, B of hydraulic fluid port A, B mouth and the oil hydraulic motor that is connected by hydraulic tube piece (10), connect simultaneously two pressure transducers (9).
6. a kind of digital servo-hydraulic motor cooling device according to claim 1, it is characterized in that, the output shaft of described oil hydraulic motor (10) is by the revolving table (11) of coupling linking number controlled machine, and described revolving table (11) is connected with circle grating (13).
CN 201220430901 2012-08-28 2012-08-28 Digital servo hydraulic motor cooling device Expired - Fee Related CN202851527U (en)

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Application Number Priority Date Filing Date Title
CN 201220430901 CN202851527U (en) 2012-08-28 2012-08-28 Digital servo hydraulic motor cooling device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206431A (en) * 2013-04-18 2013-07-17 中联重科股份有限公司渭南分公司 Closed rotary system and engineering machine comprising same
CN106704530A (en) * 2017-03-09 2017-05-24 桂林星辰科技股份有限公司 Servo-pump-controlled hydraulic rotary driving system and control method
CN106762871A (en) * 2017-03-09 2017-05-31 桂林星辰科技股份有限公司 The servo-pump control hydraulic linear drive system and control method of a kind of single-motor double pump
CN108856669A (en) * 2018-09-14 2018-11-23 中冶赛迪技术研究中心有限公司 A kind of cooling system of direct drive type electrohydraulic servo crystallizer vibration control device
CN109366385A (en) * 2018-10-18 2019-02-22 九江精密测试技术研究所 A kind of electro-hydraulic five axis composite turntable of combination drive of big unbalance loading shafting
CN112706913A (en) * 2020-12-07 2021-04-27 沈阳飞机设计研究所扬州协同创新研究院有限公司 Active thermal control distributed electro-hydraulic servo steering engine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206431A (en) * 2013-04-18 2013-07-17 中联重科股份有限公司渭南分公司 Closed rotary system and engineering machine comprising same
CN103206431B (en) * 2013-04-18 2016-03-02 中联重科股份有限公司渭南分公司 Closed rotary system and comprise the engineering machinery of this closed rotary system
CN106704530A (en) * 2017-03-09 2017-05-24 桂林星辰科技股份有限公司 Servo-pump-controlled hydraulic rotary driving system and control method
CN106762871A (en) * 2017-03-09 2017-05-31 桂林星辰科技股份有限公司 The servo-pump control hydraulic linear drive system and control method of a kind of single-motor double pump
CN106762871B (en) * 2017-03-09 2018-11-13 桂林星辰科技股份有限公司 A kind of the servo-pump control hydraulic linear drive system and control method of single motor double pump
CN106704530B (en) * 2017-03-09 2023-09-19 桂林星辰科技股份有限公司 Servo pump control hydraulic rotation driving system and control method
CN108856669A (en) * 2018-09-14 2018-11-23 中冶赛迪技术研究中心有限公司 A kind of cooling system of direct drive type electrohydraulic servo crystallizer vibration control device
CN108856669B (en) * 2018-09-14 2023-10-13 中冶赛迪技术研究中心有限公司 Cooling system of vibration control device of direct-drive electro-hydraulic servo crystallizer
CN109366385A (en) * 2018-10-18 2019-02-22 九江精密测试技术研究所 A kind of electro-hydraulic five axis composite turntable of combination drive of big unbalance loading shafting
CN112706913A (en) * 2020-12-07 2021-04-27 沈阳飞机设计研究所扬州协同创新研究院有限公司 Active thermal control distributed electro-hydraulic servo steering engine
CN112706913B (en) * 2020-12-07 2022-03-11 沈阳飞机设计研究所扬州协同创新研究院有限公司 Active thermal control distributed electro-hydraulic servo steering engine

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20150828

EXPY Termination of patent right or utility model