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CN201106589Y - Variable plunger pump for drilling machine - Google Patents

Variable plunger pump for drilling machine Download PDF

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Publication number
CN201106589Y
CN201106589Y CNU2007200767536U CN200720076753U CN201106589Y CN 201106589 Y CN201106589 Y CN 201106589Y CN U2007200767536 U CNU2007200767536 U CN U2007200767536U CN 200720076753 U CN200720076753 U CN 200720076753U CN 201106589 Y CN201106589 Y CN 201106589Y
Authority
CN
China
Prior art keywords
control valve
oil
valve
plunger pump
control
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 - Fee Related
Application number
CNU2007200767536U
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Chinese (zh)
Inventor
李贤平
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.)
Shanghai Yongjing Machinery Equipment Coltd
Original Assignee
Shanghai Yongjing Machinery Equipment Coltd
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 Shanghai Yongjing Machinery Equipment Coltd filed Critical Shanghai Yongjing Machinery Equipment Coltd
Priority to CNU2007200767536U priority Critical patent/CN201106589Y/en
Application granted granted Critical
Publication of CN201106589Y publication Critical patent/CN201106589Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a variable plunger pump system for a drilling machine, and the variable plunger pump system comprises an integrated control valve bank, a plunger pump, a rotary motor, an upper motor, and a lower motor, wherein, the integrated control valve bank is a sheet valve, the oil holes corresponding to a unicontrol valve body, a rotary motor control valve, an upper motor control valve, a lower motor control valve, and a unidirectional reducing valve body correspond so as to cause a main oil way to be communicated with a control oil way, valves are connected in series by bolts, and then an oil pipe is connected with a pressure limit flow control valve body, at last, the oil pipe is connected with the plunger pump into an integer. The variable plunger pump system has the advantages that the shape is of sheet, the inner part is provided with control valve cores with various functions and relative oil ways according to the requirements, the oil hole of each valve corresponds, the structure is simple and compact, the weight is light, the manufacture and the maintenance are convenient, the plunger pump and a hydraulic system have not pipeline connection, an oil return opening of the integrated control valve bank is directly communicated with an oil inlet of the plunger pump, the recovery function of the hydraulic power is obtained, the main oil way cancels the hydraulic loosers of an overflow valve and a throttle valve, and the drilling machine has better controllability and stability.

Description

The rig Variable plunger pump
Technical field
The utility model relates to the rig plunger pump, the Variable plunger pump that particularly a kind of rig is used.
Background technique
The various hydraulic control systems of using on the at present domestic and international rig, all drive oil hydraulic pump mechanical energy is converted into the pressure energy by power, by executive component pressure can be converted into mechanical energy again, in the transfer process by the control valve of various functions realize executive component (oil hydraulic motor, oil cylinder etc.) rotation, move up and down.These control valves (relief valve, throttle valve, proportional reversing valve etc.) in various degree have a loss hydraulic power, cause system's heating high, noise is big, and level of integration is not high, can't be system and being combined into one of pump, and connecting pipeline is many when forming system, volume is big, Heavy Weight, rate of fault height.Existing domestic disclosed patented technology, have common valve is collected simply is fitted together, and do not adopt volume variable technology.The manual proportional multi-path valve of the employing that has is connected with pipeline with variable displacement pump, and connecting pipeline is many, complex structure.Also has the practical problem that exists on the present rig, particularly go up operation at various complex-terrains (mountain region), often making a call to a hole will remove a position, for convenient removal is wanted resolving device, too much pipeline connects disassembles trouble, surrounding enviroment are also very easily by pipeline contaminated system and hydraulic oil, cause the damage of very easily breaking down of oil pump and valve.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of rig Variable plunger pump, adopt the chip valve arrangement to be concatenated into the integrated control valve group with each valve of key screw, make plunger pump and control system integrated, cancelled the connecting pipeline of plunger pump main valve, the oil inlet hole of the straight-through pump of the spill port of valve, fuel tank only plays the replenishment system leakage effects, reduced the fuel tank volume greatly, compact structure, volume is little, dismounting telephone-moving during greatly convenient resettlement reduces the telephone-moving surrounding enviroment to hydraulic system with to the pollution of fluid.
The utility model solves the problems of the technologies described above the technological scheme of being taked: the utility model adopts the chip valve arrangement, its profile is a sheet, the control spool and the corresponding oil circuit of various functions is equipped with in inside, the oil-hole location correspondence of each valve, be connected in series with each valve body of key screw, make it be integrated into the control valve group.Rig Variable plunger pump of the present utility model, comprise integrated control valve group, plunger pump, revolution motor and motor up and down, be characterized in, described integrated control valve group is the chip valve, unidirectional regulation valve body, revolution motor control valve, motor control valve and the corresponding oil-hole location correspondence of one way pressure-reducing valve body up and down, make working connection and control oil channel and each valve oil chamber UNICOM, form with each valve polyphone connection of key screw, be connected with pressure limiting flow control valve body with oil pipe, last and plunger pump links into an integrated entity again.
Described pressure limiting flow control valve body is equipped with pressure-limit valve in it and flow control valve combines; Pressure-limit valve comprises pressure limiting spool and Returnning spring; Flow control valve comprises flow control spool and Returnning spring.
Described unidirectional regulation valve body is equipped with non-return one-way valve and modulating valve and combines in it, the one side has the oil inlet hole and the spill port of working connection, and opposite side has oil outlet and the spill port and the control oilhole of working connection.
Described revolution motor control valve and motor control valve up and down, the two structure is basic identical, comprise control valve body, control spool and Returnning spring, control valve body is provided with the control valve oil suction chamber, control valve oil-discharging cavity A, control valve oil-discharging cavity B, control valve oil back chamber and control valve control oil pocket, on the control spool, have according to the corresponding annular oil groove of oil pocket on control stroke and the control valve body, annular oil groove both sides on the corresponding control spool of control oil pocket axially respectively have a drift slot simultaneously, and there is the turnover oilhole of working connection the both sides of valve, spill port and control oilhole.
Described revolution motor control valve, wherein control valve oil-discharging cavity A (12) is connected with revolution motor by pipeline with control valve oil-discharging cavity B (13).
Described up and down motor control valve, wherein control valve oil-discharging cavity A (12) and control valve oil-discharging cavity B (13) are connected with motor up and down by pipeline.
Described one way pressure-reducing valve body is equipped with reduction valve and one-way valve in it, reduction valve comprises relief pressure valve cartridge and Returnning spring, and one-way valve comprises Returnning spring, and the one side has oil inlet hole, oil outlet, spill port.
Control valve oil inlet hole in the integrated control valve group is corresponding with plunger pump oil outlet and oil inlet hole position with spill port, and integrated control valve group and plunger pump are linked into an integrated entity with screw.
Superior effect of the present utility model is:
1, the utility model is the chip valve, its profile is a sheet, inner control spool and the corresponding oil circuit that various functions can be housed as required, the oil-hole location correspondence of each valve as long as string together fixingly with each valve of key screw, makes the integrated integral body of plunger pump and hydraulic control system, compact structure is simple, volume is little, and is in light weight, makes easy to maintenance.
2, plunger pump does not have pipeline with hydraulic system and is connected, and the oil inlet hole of the straight-through plunger pump of the spill port of integrated control valve has hydraulic pressure effect recovery effect, has cancelled the hydraulic pressure losser of relief valve and oil-saving valve on the working connection, does not have the loss of damming, the efficient height, and heating is less.
3, motor up and down of the present utility model can substitute with oil cylinder.
4, the integrated combination of hydraulic system of the present utility model and plunger pump, during use, hydraulic fluid flow rate all is from small to large or a progressive formation from big to small, the startup of motor and stop do not have to impact, it is good handling and stable that rig is had, the leap that compared with prior art has essence.
Description of drawings
Fig. 1 is a Variable plunger pump structural representation of the present utility model.
Label declaration in the accompanying drawing
1-plunger pump 2-variable cylinder 201-swash plate
202-Returnning spring 3-pressure-limit valve 31-pressure limiting spool
32-Returnning spring 34-pressure limiting flow valve body 341-oil pipe
4-flow control valve 41-flow control spool 42-Returnning spring
The unidirectional regulation valve body 6-of the non-return one-way valve 56-of 5-modulating valve
7-revolution motor control valve 8-is motor control valve 9-control valve body up and down
10-control spool 11-control valve oil suction chamber
12-control valve oil-discharging cavity A 13-control valve oil-discharging cavity B
14-control valve oil back chamber 15-control valve control oil pocket 16-drift slot
17-Returnning spring 18-one way pressure-reducing valve body 19-reduction valve
20-one-way valve 21-revolution motor 22-is motor up and down
23-fuel tank 24-integrated control valve group 25-working connection
26-control oil channel 27-oil outlet 28-oil inlet hole
29-oil inlet hole 30-spill port
Embodiment
Below in conjunction with accompanying drawing structure of the present utility model is further described.
See also shown in Figure 1, the utility model links into an integrated entity with plunger pump by after the chip valve combination again, by plunger pump 1, variable cylinder 2, pressure-limit valve 3, flow control valve 4, non-return one-way valve 5, modulating valve 6, revolution motor control valve 7, up and down motor control valve 8, reduction valve 19, one-way valve 20, revolution motor 21 and up and down motor 22 form.
Wherein, variable cylinder 2 rear ends are connected with Returnning spring 202 with swash plate 201.Pressure-limit valve 3 and flow control valve 4 are installed in the pressure limiting flow valve body 34, and pressure-limit valve 3 is made up of pressure limiting spool 31 and Returnning spring 32; Flow control valve 4 is made up of flow control spool 41 and Returnning spring 42; Non-return one-way valve 5 and modulating valve 6 are installed in the unidirectional regulation valve body 56; Reduction valve 19 and one-way valve 20 are installed in the one way pressure-reducing valve body 18;
Described revolution motor control valve 7 and motor control valve 8 up and down, the two structure is basic identical, comprise control valve body 9, control spool 10 and Returnning spring 17, control valve body 9 is provided with control valve oil suction chamber 11, control valve oil-discharging cavity A12, control valve oil-discharging cavity B13, control valve oil back chamber 14 and control valve control oil pocket 15, on control spool 10, have according to the corresponding annular oil groove of oil pocket on control stroke and the control valve body 9, annular oil groove both sides on the corresponding control spool of control oil pocket axially respectively have a drift slot 16 simultaneously, and there is the turnover oilhole of working connection the both sides of valve, spill port and control oilhole.
The utility model is to adopt the chip valve arrangement, its profile is a sheet, the oil-hole location correspondence of each valve, be in serial connected with each valve of key screw, promptly unidirectional regulation valve body 56, revolution motor control valve 7, motor control valve 8 and one way pressure-reducing valve body 18 corresponding position correspondences up and down, make working connection 25 and control oil channel 26 and each valve oil chamber UNICOM, be concatenated into integrated control valve group 24 with each valve of key screw, be connected with pressure limiting flow valve body 34 with oil pipe 341 again, oil inlet hole 28 in the integrated control valve group 24, oil outlet 27 on spill port 30 and the plunger pump 1, oil inlet hole 29 positions are corresponding, link into an integrated entity with key screw integrated control valve group 24 and plunger pump 1.Spill port 30 on the integrated control valve group 24 directly facing to the oil inlet hole 29 on the plunger pump 1, has the Power Recovery effect, and 23 of fuel tanks play the repairing effect that oil circuit leaks.

Claims (8)

1, a kind of rig Variable plunger pump comprises integrated control valve group, plunger pump, revolution motor and motor up and down, it is characterized in that:
Described integrated control valve group is the chip valve, unidirectional regulation valve body (56), revolution motor control valve (7), motor control valve (8) and the corresponding oil-hole location correspondence of one way pressure-reducing valve body (18) up and down, make working connection (25) and control oil channel (26) and each valve oil chamber UNICOM, form with each valve polyphone connection of key screw, use oil pipe (341) to be connected with pressure limiting flow control valve body (34) again, last and plunger pump (1) links into an integrated entity.
2, rig Variable plunger pump according to claim 1 is characterized in that:
Described pressure limiting flow control valve body (34) is equipped with pressure-limit valve (3) in it and flow control valve (4) combines; Pressure-limit valve (3) comprises pressure limiting spool (31) and Returnning spring (32); Flow control valve (4) comprises flow control spool (41) and Returnning spring (42).
3, rig Variable plunger pump according to claim 1 is characterized in that:
Described unidirectional regulation valve body (56) is equipped with non-return one-way valve (5) in it and modulating valve (6) combines, and the one side has the oil inlet hole (28) and the spill port (30) of working connection, and opposite side has oil outlet and the spill port and the control oilhole of working connection.
4, rig Variable plunger pump according to claim 1 is characterized in that:
Described revolution motor control valve (7) and motor control valve (8) up and down, the two structure is basic identical, comprise control valve body (9), control spool (10) and Returnning spring (17), control valve body (9) is provided with control valve oil suction chamber (11), control valve oil-discharging cavity A (12), control valve oil-discharging cavity B (13), control valve oil back chamber (14) and control valve control oil pocket (15), having on the control spool (10) according to the corresponding annular oil groove of oil pocket on control stroke and the control valve body (9), annular oil groove both sides on the corresponding control spool of control oil pocket axially respectively have a drift slot (16) simultaneously, and there is the turnover oilhole of working connection the both sides of valve, spill port and control oilhole.
5, according to claim 1 or 4 described rig Variable plunger pumps, it is characterized in that:
Described revolution motor control valve (7), wherein control valve oil-discharging cavity A (12) is connected with revolution motor (21) by pipeline with control valve oil-discharging cavity B (13).
6, according to claim 1 or 4 described rig Variable plunger pumps, it is characterized in that:
Described up and down motor control valve (8), wherein control valve oil-discharging cavity A (12) and control valve oil-discharging cavity B (13) are connected with motor (22) up and down by pipeline.
7, rig Variable plunger pump according to claim 1 is characterized in that:
Described one way pressure-reducing valve body (18) is equipped with reduction valve (19) and one-way valve (20) in it, reduction valve (19) comprises relief pressure valve cartridge and Returnning spring, and one-way valve (20) comprises Returnning spring, and the one side has oil inlet hole, oil outlet, spill port.
8, rig Variable plunger pump according to claim 1 is characterized in that:
Control valve oil inlet hole (28) in the integrated control valve group (24) is corresponding with plunger pump oil outlet (27) and oil inlet hole (29) position with spill port (30), and integrated control valve group (24) and plunger pump (1) are linked into an integrated entity with screw.
CNU2007200767536U 2007-10-29 2007-10-29 Variable plunger pump for drilling machine Expired - Fee Related CN201106589Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200767536U CN201106589Y (en) 2007-10-29 2007-10-29 Variable plunger pump for drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200767536U CN201106589Y (en) 2007-10-29 2007-10-29 Variable plunger pump for drilling machine

Publications (1)

Publication Number Publication Date
CN201106589Y true CN201106589Y (en) 2008-08-27

Family

ID=39958387

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200767536U Expired - Fee Related CN201106589Y (en) 2007-10-29 2007-10-29 Variable plunger pump for drilling machine

Country Status (1)

Country Link
CN (1) CN201106589Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373406A (en) * 2014-12-10 2015-02-25 重庆红江机械有限责任公司 Variable pump control valve
CN108050029A (en) * 2017-12-05 2018-05-18 宁波市奉化溪口威尔特制泵厂 A kind of energy-efficient inclined disc type high-pressure plunger pump
CN112879256A (en) * 2021-03-10 2021-06-01 焦秀智 Experimental device capable of simulating reservoir pressure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373406A (en) * 2014-12-10 2015-02-25 重庆红江机械有限责任公司 Variable pump control valve
CN104373406B (en) * 2014-12-10 2016-04-27 重庆红江机械有限责任公司 A kind of control valve of variable displacement pump
CN108050029A (en) * 2017-12-05 2018-05-18 宁波市奉化溪口威尔特制泵厂 A kind of energy-efficient inclined disc type high-pressure plunger pump
CN112879256A (en) * 2021-03-10 2021-06-01 焦秀智 Experimental device capable of simulating reservoir pressure

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080827

Termination date: 20091130