CN203770264U - Hydraulic circuit driving cement pump - Google Patents

Hydraulic circuit driving cement pump Download PDF

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Publication number
CN203770264U
CN203770264U CN201320851045.0U CN201320851045U CN203770264U CN 203770264 U CN203770264 U CN 203770264U CN 201320851045 U CN201320851045 U CN 201320851045U CN 203770264 U CN203770264 U CN 203770264U
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CN
China
Prior art keywords
oil hydraulic
pump
oil
cement pump
filler opening
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Active
Application number
CN201320851045.0U
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Chinese (zh)
Inventor
李雪明
马忠章
张树立
张颂
李�诚
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Priority to CN201320851045.0U priority Critical patent/CN203770264U/en
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Publication of CN203770264U publication Critical patent/CN203770264U/en
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Abstract

The utility model relates to the technical field of petroleum equipment, in particular to a hydraulic circuit driving a cement pump. The hydraulic circuit comprises a hydraulic pump, a reversing valve, a hydraulic motor and an oil tank. The oil inlet and the oil return port of the reversing valve are connected with the hydraulic pump and the oil tank respectively. The hydraulic motor is connected with the cement pump through a coupler. The cement pump adjusts the hydraulic circuit to work in a low-speed drive mode or a high-speed drive mode by controlling the reversing valve. The hydraulic circuit is simple in structure and convenient to operate, and can be installed in the cement pump and drive the cement pump to work under the low-rotation-speed, large-torque, small-displacement and high-pressure condition and the high-rotation-speed, small-torque, large-displacement and low-pressure condition.

Description

A kind of oil hydraulic circuit that drives cement pump
Technical field
The utility model relates to oil equipment technical field, is exactly a kind of oil hydraulic circuit that drives cement pump.
Background technique
Traditional cement pump drives the feature high-power, high pulling torque, existing three kinds of schemes of having:
Scheme one, uses engine-driving gearbox, and gearbox drives cement pump by transmission shaft again;
Scheme two, is directly connected with cement pump transmission shaft with an oil hydraulic motor, drives cement pump;
Scheme three, drives cement pump with a motor acceleration and deceleration case.
Owing to there is no gearbox in cement pump equipment, in scheme one, drive cement pump infeasible by transmission shaft; In scheme two, select the oil hydraulic motor of a large discharge capacity that meets cement pump moment of torsion and power requirements, this oil hydraulic motor radial dimension exceeds the device space, cannot install, the oil hydraulic pump radial dimension of the large discharge capacity of this oil hydraulic motor of coupling of simultaneously selecting exceeds the device space, cannot install; The speed reducer of selecting in scheme three, its radial dimension and axial dimension exceed installation space, cannot install, and increase speed reducer simultaneously and have increased equipment cost.
The said equipment is oil special device, device Inner Dimension size is fixing, above-mentioned three kinds of technological schemes cannot be installed, and cannot meet oil hydraulic motor and the oil hydraulic pump working condition under different conditions, i.e. low rotation speed large torque, small displacement high pressure operating mode and the little moment of torsion of high rotating speed, large discharge capacity low-pressure operating mode.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of oil hydraulic circuit that drives cement pump.This oil hydraulic circuit can be arranged in cement pump equipment, can make again cement pump work under low rotation speed large torque, small displacement high pressure operating mode and the little moment of torsion of high rotating speed, large discharge capacity low-pressure operating mode.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of oil hydraulic circuit that drives cement pump, comprise oil hydraulic pump, selector valve, oil hydraulic motor, fuel tank, the filler opening of described selector valve is connected with fuel tank with oil hydraulic pump respectively with return opening, described oil hydraulic motor is connected with cement pump by coupling, regulate the oil hydraulic circuit of described cement pump to be operated in driven at low speed loop or high-speed driving loop by controlling selector valve, described oil hydraulic motor comprises the first filler opening A1 and the second filler opening A2, the first return opening B1 and the second return opening B2, described oil hydraulic pump comprises high-pressure oil passage A and low pressure oil way B.
Further, described driven at low speed loop is implemented as follows: between the first filler opening A1, the second filler opening A2 of described oil hydraulic motor, be connected in parallel, the high-pressure oil passage A of described oil hydraulic pump directly connects the first filler opening A1 and the second filler opening A2, described the first return opening B1 and the second return opening B2 are connected respectively to low pressure oil way B, and described low pressure oil way B is connecting fuel tank.Two motors in described oil hydraulic motor rotate simultaneously, described driven at low speed loop be for low rotation speed large torque, small displacement high pressure situation.
Further, described high-speed driving loop is implemented as follows: the first filler opening A1 of the high-pressure oil passage A connecting fluid pressure motor of described oil hydraulic pump, the second filler opening A2 of described the first return opening B1 connecting fluid pressure motor, described the second return opening B2 is connecting low pressure oil way B, and described low pressure oil way B is connecting fuel tank.Described high-speed driving loop is for the little moment of torsion of high rotating speed, large discharge capacity low-pressure situation.
The beneficial effects of the utility model are: the utility model is simple in structure, easy to operate, this oil hydraulic circuit can be arranged in cement pump equipment, can make again cement pump work under low rotation speed large torque, small displacement high pressure operating mode and the little moment of torsion of high rotating speed, large discharge capacity low-pressure operating mode.
Brief description of the drawings
Fig. 1 is the utility model low speed oil hydraulic circuit schematic diagram;
Fig. 2 is the utility model high-speed hydraulic circuit theory figure.
In accompanying drawing, the list of parts of each label representative is as follows:
1, oil hydraulic pump, 2, selector valve, 3, oil hydraulic motor, A, high-pressure oil passage, A1, the first filler opening, A2, the second filler opening, B1, the first return opening, B2, the second return opening, B, low pressure oil way, D, coupling, F, fuel tank.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1 to Figure 2, it is a kind of oil hydraulic circuit that drives cement pump, comprise oil hydraulic pump 1, selector valve 2, oil hydraulic motor 3, fuel tank F, the filler opening of described selector valve 2 is connected with fuel tank F with oil hydraulic pump 1 respectively with return opening, described oil hydraulic motor 3 is connected with cement pump by coupling D, regulate the oil hydraulic circuit of described cement pump to be operated in driven at low speed loop or high-speed driving loop by controlling selector valve 2, described oil hydraulic motor 3 inside are made up of 2 motors, comprise respectively the first filler opening A1 and the second filler opening A2, the first return opening B1 and the second return opening B2, described oil hydraulic pump 1 comprises high-pressure oil passage A and low pressure oil way B.
Described oil hydraulic pump 1 is arranged on power unit transfer case, provides power by motor to oil hydraulic pump 1, and operator are by reversing valve operated 2 oil hydraulic circuits of controlling cement pump, and its control procedure is as follows:
Selector valve 2 is adjusted to interface, make oil hydraulic motor 3 realize two oil circuit working staties, in driven at low speed loop, described driven at low speed loop is implemented as follows: between the first filler opening A1, the second filler opening A2 of described oil hydraulic motor 3, be connected in parallel, the high-pressure oil passage A of described oil hydraulic pump 1 directly connects the first filler opening A1 and the second filler opening A2, described the first return opening B1 and the second return opening B2 are connected respectively to low pressure oil way B, and described low pressure oil way B is connecting fuel tank F.Two motors in described oil hydraulic motor 3 rotate simultaneously, because two motor inside exist the excessive situation of oil pressure, cause the speed of described motor running low, described driven at low speed loop be for low rotation speed large torque, small displacement high pressure situation.
Selector valve 2 de-interfaced, make oil hydraulic motor 3 realize single oil circuit working state, described oil hydraulic motor 3 is in high-speed driving loop, described high-speed driving loop is implemented as follows: the first filler opening A1 of the high-pressure oil passage A connecting fluid pressure motor 3 of described oil hydraulic pump 1, the second filler opening A2 of described the first return opening B1 connecting fluid pressure motor 3, described the second return opening B2 is connecting low pressure oil way B, and described low pressure oil way B is connecting fuel tank F.The oil circuit inflow direction A1-B1-A2-B2 of described oil hydraulic motor, makes oil fully burning in motor, reaches high rotating speed effect.Described high-speed driving loop is for the little moment of torsion of high rotating speed, large discharge capacity low-pressure situation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (3)

1. one kind drives the oil hydraulic circuit of cement pump, it is characterized in that, comprise oil hydraulic pump, selector valve, oil hydraulic motor, fuel tank, the filler opening of described selector valve is connected with fuel tank with oil hydraulic pump respectively with return opening, described oil hydraulic motor is connected with cement pump by coupling, regulate the oil hydraulic circuit of described cement pump to be operated in driven at low speed loop or high-speed driving loop by controlling selector valve, described oil hydraulic motor comprises the first filler opening A1 and the second filler opening A2, the first return opening B1 and the second return opening B2, and described oil hydraulic pump comprises high-pressure oil passage A and low pressure oil way B.
2. a kind of oil hydraulic circuit that drives cement pump according to claim 1, is characterized in that, described driven at low speed loop is implemented as follows:
Between the first filler opening A1, the second filler opening A2 of described oil hydraulic motor, be connected in parallel, the high-pressure oil passage A of described oil hydraulic pump directly connects the first filler opening A1 and the second filler opening A2, described the first return opening B1 and the second return opening B2 are connected respectively to low pressure oil way B, and described low pressure oil way B is connecting fuel tank.
3. a kind of oil hydraulic circuit that drives cement pump according to claim 1, is characterized in that, described high-speed driving loop is implemented as follows:
The first filler opening A1 of the high-pressure oil passage A connecting fluid pressure motor of described oil hydraulic pump, the second filler opening A2 of described the first return opening B1 connecting fluid pressure motor, described the second return opening B2 is connecting low pressure oil way B, and described low pressure oil way B is connecting fuel tank.
CN201320851045.0U 2013-12-20 2013-12-20 Hydraulic circuit driving cement pump Active CN203770264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320851045.0U CN203770264U (en) 2013-12-20 2013-12-20 Hydraulic circuit driving cement pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320851045.0U CN203770264U (en) 2013-12-20 2013-12-20 Hydraulic circuit driving cement pump

Publications (1)

Publication Number Publication Date
CN203770264U true CN203770264U (en) 2014-08-13

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Country Link
CN (1) CN203770264U (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107572378A (en) * 2017-08-15 2018-01-12 阜新力夫特液压有限公司 A kind of controllable coaxial dual-speed two-way hydraulic motor drive system
US10895202B1 (en) 2019-09-13 2021-01-19 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
US10907459B1 (en) 2019-09-13 2021-02-02 Bj Energy Solutions, Llc Methods and systems for operating a fleet of pumps
US10954770B1 (en) 2020-06-09 2021-03-23 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
US10961908B1 (en) 2020-06-05 2021-03-30 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US10968837B1 (en) 2020-05-14 2021-04-06 Bj Energy Solutions, Llc Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge
US10989180B2 (en) 2019-09-13 2021-04-27 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US11002189B2 (en) 2019-09-13 2021-05-11 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US11015536B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11015594B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump
US11022526B1 (en) 2020-06-09 2021-06-01 Bj Energy Solutions, Llc Systems and methods for monitoring a condition of a fracturing component section of a hydraulic fracturing unit
US11028677B1 (en) 2020-06-22 2021-06-08 Bj Energy Solutions, Llc Stage profiles for operations of hydraulic systems and associated methods
US11060455B1 (en) 2021-03-26 2021-07-13 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107572378A (en) * 2017-08-15 2018-01-12 阜新力夫特液压有限公司 A kind of controllable coaxial dual-speed two-way hydraulic motor drive system
US10895202B1 (en) 2019-09-13 2021-01-19 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
US10907459B1 (en) 2019-09-13 2021-02-02 Bj Energy Solutions, Llc Methods and systems for operating a fleet of pumps
US11015594B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump
US11015536B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11002189B2 (en) 2019-09-13 2021-05-11 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US10982596B1 (en) 2019-09-13 2021-04-20 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
US10989180B2 (en) 2019-09-13 2021-04-27 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US10968837B1 (en) 2020-05-14 2021-04-06 Bj Energy Solutions, Llc Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge
US10961908B1 (en) 2020-06-05 2021-03-30 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US10954770B1 (en) 2020-06-09 2021-03-23 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
US11015423B1 (en) 2020-06-09 2021-05-25 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
US11022526B1 (en) 2020-06-09 2021-06-01 Bj Energy Solutions, Llc Systems and methods for monitoring a condition of a fracturing component section of a hydraulic fracturing unit
US11028677B1 (en) 2020-06-22 2021-06-08 Bj Energy Solutions, Llc Stage profiles for operations of hydraulic systems and associated methods
US11060455B1 (en) 2021-03-26 2021-07-13 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods

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