CN201513698U - Pneumatic adjustable lubricating oil pump used for diesel hammer - Google Patents

Pneumatic adjustable lubricating oil pump used for diesel hammer Download PDF

Info

Publication number
CN201513698U
CN201513698U CN2009201949992U CN200920194999U CN201513698U CN 201513698 U CN201513698 U CN 201513698U CN 2009201949992 U CN2009201949992 U CN 2009201949992U CN 200920194999 U CN200920194999 U CN 200920194999U CN 201513698 U CN201513698 U CN 201513698U
Authority
CN
China
Prior art keywords
oil
pump
plunger
piston
pump 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 - Fee Related
Application number
CN2009201949992U
Other languages
Chinese (zh)
Inventor
魏智健
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.)
GUANGDONG LIYUAN HYDRAULIC MACHINERY Co Ltd
Original Assignee
GUANGDONG LIYUAN HYDRAULIC MACHINERY 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 GUANGDONG LIYUAN HYDRAULIC MACHINERY Co Ltd filed Critical GUANGDONG LIYUAN HYDRAULIC MACHINERY Co Ltd
Priority to CN2009201949992U priority Critical patent/CN201513698U/en
Application granted granted Critical
Publication of CN201513698U publication Critical patent/CN201513698U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a pneumatic adjustable lubricating oil pump used for a diesel hammer, comprising a pump body (1) and a pump cover (2). The pneumatic adjustable lubricating oil pump is characterized in that the pump cover (2) is provided with an air inlet pipe (21) and an inner cavity (22), wherein the air inlet pipe (21) is positioned on the top part of the pump cover and communicated with the inner cavity (22); the inner cavity (22) is internally provided with a piston (23) and a piston spring (24); the pump body (1) is internally provided with a radial oil inlet channel (11) and an axial oil outlet channel (12) communicated with the radial oil inlet channel (11); the oil outlet channel (12) is internally and sequentially provided with a plunger (15), a plunger pressure spring (16), an oil outlet one-way valve (17) and an oil outlet valve pressure spring (18) from top to bottom; an oil return channel (13) is internally provided with an oil quantity adjusting mechanism; and one end of the piston spring (24) props against the bottom part of the piston (23), and the other end thereof is arranged inside a groove (19) of the pump body (1). The pneumatic adjustable lubricating oil pump has the advantages of simple structure, small volume, convenient installation and adjustment and low cost, and is applicable to various diesel pile hammers.

Description

A kind of diesel hammer is with pneumatic adjustable lubricating pump
Technical field
The utility model relates to a kind of lubricating pump, and especially a kind of diesel hammer is applicable to all serial diesel pile hammers with pneumatic adjustable lubricating pump.Belong to diesel hammer systems technology field.
Background technique
At present, the lubricating pump that diesel pile hammer generally adopts all is a Lever type, for the utility model patent of " 200420071032.2 " a kind of pile hammer of improving structure lubricating pump is disclosed as the patent No., comprise the pump housing and oil nozzle, oil nozzle is for being independent of between pump housing setting and the pump housing for easy mounted-dismounted type is connected, and the pump housing mainly comprises upper piston, laminated oil lever, outlet valve assembly, steel ball, plunger, plunger actuator, plunger regulator and pump case; The inner chamber, its fulcrum that laminated oil lever is built in pump case by bearing pin and pump case flexibly connect, its two ends flexibly connect with plunger actuator and regulator respectively, upper piston often contacts with laminated oil lever, described point of contact is between the fulcrum and plunger actuator of laminated oil lever; Oil nozzle is communicated with the oil outlet of outlet valve assembly, and the delivery outlet of outlet valve assembly is communicated with the lubricant oil inlet opening of upper cylinder, lower cylinder.There is following shortcoming in the lubricating pump of this structure: 1, because this lubricating pump is quantitatively given each lubricating point fuel feeding sequentially, but prolongation along with service time, laminated oil lever in the lubricating pump is easy to generate wearing and tearing, when causing the oily stroke of pressure to reduce owing to the oil pressing rod wearing and tearing, the lubricant oil supply also reduces thereupon, causes lubricant oil to supply with undesired even interruption.2, the high velocity impact of laminated oil lever and upper piston also causes piston ring scuffing in the upper piston, fracture easily, and sealing is descended, and is easy to generate leakage of oil.
The model utility content
The purpose of this utility model is in order to provide a kind of diesel hammer with pneumatic adjustable lubricating pump, and it is lubricated that it can carry out independent fuel feeding to a plurality of lubricating points of the top of diesel hammer, bottom, can regulate different lubricants capacities according to the different situation of different lubricating points; It has characteristics simple in structure, that volume is little, installation is easy to adjust, cost is low.
The purpose of this utility model can reach by following technical solution:
A kind of diesel hammer comprises the pump housing, the pump cover of fixedlying connected with the pump housing with pneumatic adjustable lubricating pump, and its structural feature is:
1) top of described pump cover is provided with suction tude, suction tude is communicated with the inner chamber of pump cover; Be provided with piston, piston spring in the inner chamber of pump cover;
2) at least one the axial oil discharge passage that be provided with oil inlet passage radially in the described pump housing, is connected respectively with oil inlet passage radially; Each axial oil discharge passage all is communicated with oil inlet passage by a drainback passage; Described radially oil inlet passage is communicated with oil inlet pipe, all is provided with plunger, plunger stage clip, fuel-displaced one-way valve, outlet valve stage clip in each axial oil discharge passage from top to bottom successively; Be provided with oil amount regulating mechanism in the described drainback passage;
3) end of described piston spring withstand piston the bottom, make piston be positioned at the top of pump cover inner chamber, its other end places the groove on the pump housing; One end of described plunger stage clip withstand plunger the bottom, make plunger be positioned at the top of oil inlet passage and contact with the bottom surface of piston, its other end props up fuel-displaced one-way valve; Bottom outlet place, its oil outlet that described fuel-displaced one-way valve is inverted in oil discharge passage are connected with oil outlet, and the outlet valve stage clip withstands the spool of fuel-displaced one-way valve, make fuel-displaced one-way valve be in closed condition.
During work, high speed pressure gas enters the pump cover inner chamber by suction tude, it acts on piston upper-end surface promotion piston and moves downward, the quick depression of plunger of piston, when plunger moves downward and seal oil inlet passage, pressure in the oil discharge passage raises rapidly, when pressure enough overcomes the elastic force of outlet valve stage clip also fuel-displaced one-way valve opens, lubricant oil is discharged by oil outlet and is supplied with each lubricating point, meanwhile a part of lubricant oil in the oil discharge passage is got back to fuel tank through drainback passage, can regulate each recirculating oil quantity by oil amount regulating mechanism, the fuel delivery of each oil outlet of indirect regulation is to reach the adjusting purpose.When the pressure of suction port reduced, piston, plunger, piston stage clip, plunger stage clip, fuel-displaced one-way valve were got back to the preliminary examination state, and next work cycle is prepared in the oil suction of oil discharge passage vacuum.
The purpose of this utility model can also reach by following technical solution:
A kind of embodiment of the present utility model is: be provided with three axial oil discharge passages of evenly arranging in the described pump housing, corresponding with it, the quantity of described drainback passage, plunger, plunger stage clip, fuel-displaced one-way valve, outlet valve stage clip, oil outlet and oil amount regulating mechanism respectively is three.
A kind of embodiment of the present utility model is: described oil amount regulating mechanism is made of adjusting screw, and described adjusting screw is provided with in the pump housing, and its top is passed the pump housing and is inserted in the drainback passage, leaves the gap between the inwall of adjusting screw top and drainback passage; Be provided with seal ring between adjusting screw and the pump housing inwall.
Regulate each recirculating oil quantity by the gap of regulating between the adjusting screw and the pump housing, the fuel delivery of each oil outlet of indirect regulation is to reach the adjusting purpose.
A kind of embodiment of the present utility model is: described suction tude is fixedlyed connected with pump cover by screw, and passes through washer sealing.
A kind of embodiment of the present utility model is: described oil inlet pipe is fixedlyed connected with the pump housing by screw, and passes through washer sealing.
A kind of embodiment of the present utility model is: be provided with seal ring between described plunger and the pump housing inwall.
The beneficial effects of the utility model are:
The utility model replaces old money lubricating pump laminated oil lever as power resources by the pressurized gas that adopt the diesel hammer firing chamber, it is lubricated to carry out simultaneously independent fuel feeding to a plurality of lubricating points of the top of diesel hammer, bottom, can regulate each recirculating oil quantity by oil amount regulating mechanism, the fuel delivery of each oil outlet of indirect regulation is to reach the adjusting purpose.It has advantage simple in structure, that volume is little, installation is easy to adjust, cost is low.The utility model is applicable to all serial diesel pile hammers.
Description of drawings
Fig. 1 is the plan view of specific embodiment 1.
Fig. 2 is that A-A among Fig. 1 is to cut-away view.
Fig. 3 is that B-B among Fig. 2 is to cut-away view.
Fig. 4 is that C-C among Fig. 2 is to cut-away view.
Embodiment
Specific embodiment 1:
Fig. 1 to Fig. 4 constitutes specific embodiment of the utility model 1.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, present embodiment comprises the pump housing 1, pump cover 2, and the pump housing 1, pump cover 2 is fixedly connected by screw 35; The top of described pump cover 2 is provided with suction tude 21, suction tude 21 is communicated with the inner chamber 22 of pump cover 2; Be provided with piston 23, piston spring 24 in the inner chamber 22 of pump cover; At least one the axial oil discharge passage 12 that be provided with oil inlet passage 11 radially in the described pump housing 1, is connected respectively with oil inlet passage radially; Each axial oil discharge passage 12 all is communicated with oil inlet passage 11 by a drainback passage 13; Described radially oil inlet passage 11 is communicated with oil inlet pipe 14, all is provided with plunger 15, plunger stage clip 16, fuel-displaced one-way valve 17, outlet valve stage clip 18 in each axial oil discharge passage 12 from top to bottom successively; Be provided with oil amount regulating mechanism in the described drainback passage 13; One end of described piston spring 24 withstand piston 23 the bottom, make piston 23 be positioned at the top of pump cover inner chamber 22, its other end places the groove 19 on the pump housing 1; One end of described plunger stage clip 16 withstand plunger 15 the bottom, make plunger 15 be positioned at the top of oil inlet passage 11 and contact with the bottom surface of piston 23, its other end props up fuel-displaced one-way valve 17; Bottom outlet place, its oil outlet that described fuel-displaced one-way valve 17 is inverted in oil discharge passage 12 are connected with oil outlet 20, and outlet valve stage clip 18 withstands the spool of fuel-displaced one-way valve 17, makes fuel-displaced one-way valve be in closed condition.
In the present embodiment, be provided with three axial oil discharge passages of evenly arranging 12 in the described pump housing 1, corresponding with it, the quantity of described drainback passage 13, plunger 15, plunger stage clip 16, fuel-displaced one-way valve 17, outlet valve stage clip 18, oil outlet 19 and oil amount regulating mechanism is 3.Described oil amount regulating mechanism is made of adjusting screw 31, and described adjusting screw 31 is provided with in the pump housing 1, and its top is passed the pump housing 1 and is inserted in the drainback passage 13, leaves the gap between the inwall of adjusting screw 31 tops and drainback passage 13; Be provided with seal ring 32 between adjusting screw 31 and the pump housing 1 inwall.Regulate each recirculating oil quantity by the gap of regulating between the adjusting screw and the pump housing, the fuel delivery of each oil outlet of indirect regulation is to reach the adjusting purpose.Described suction tude 21 is fixedlyed connected with pump cover 2 by screw 33, and by packing ring 34 sealings.Described oil inlet pipe 14 is fixedlyed connected with the pump housing 1 by screw 33, and by packing ring 34 sealings.Be provided with seal ring 32 between described plunger 15 and the pump housing 1 inwall.
Working principle of the present utility model:
The original state of lubricating pump as shown in Figure 2, piston and plunger all are in upper position under the elastic force effect of piston stage clip, plunger stage clip, fuel-displaced one-way valve is in closed condition under the effect of outlet valve stage clip, lubricant oil enters in the oil discharge passage by self gravitation by oil inlet pipe, screw and oil inlet passage, because fuel-displaced one-way valve is in closed condition under the effect of outlet valve stage clip, so the unlubricated oil of oil outlet flows out.When high speed pressure gas by suction tude, screw and act on the piston upper-end surface and promote piston and move downward, the quick depression of plunger of piston, when plunger moves downward and seal oil inlet passage, the oil discharge passage internal pressure raises rapidly, when pressure enough overcomes the elastic force of outlet valve stage clip also fuel-displaced one-way valve opens, lubricant oil is discharged by oil outlet and is supplied with each lubricating point, and meanwhile a part of lubricant oil is got back to fuel tank through gap, drainback passage between the adjusting screw and the pump housing in the oil discharge passage.Regulate each recirculating oil quantity by the gap of regulating between the adjusting screw and the pump housing, the fuel delivery of each oil outlet of indirect regulation is to reach the adjusting purpose.When the pressure of suction port reduced, piston, plunger, piston stage clip, plunger stage clip, fuel-displaced one-way valve were got back to the preliminary examination state, and next work cycle is prepared in the oil suction of oil discharge passage vacuum.
The utility model is applicable to all serial diesel pile hammers.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all belonged to protection domain of the present utility model.

Claims (6)

1. a diesel hammer comprises the pump housing (1), the pump cover (2) of fixedlying connected with the pump housing (1) with pneumatic adjustable lubricating pump, it is characterized in that:
1) described pump cover (2) is provided with suction tude (21) and inner chamber (22), and suction tude (21) is positioned at the top of pump cover and is communicated with inner chamber (22), is provided with piston (23) and piston spring (24) in the described inner chamber (22);
2) the axial oil discharge passage (12) that be provided with oil inlet passage (11) radially in the described pump housing (1), is connected with oil inlet passage (11) radially; Described oil discharge passage (12) is communicated with oil inlet passage (11) by drainback passage (13); Described oil inlet passage (11) is communicated with oil inlet pipe (14), is provided with plunger (15), plunger stage clip (16), fuel-displaced one-way valve (17) and outlet valve stage clip (18) in the oil discharge passage (12) from top to bottom successively; Described drainback passage is provided with oil amount regulating mechanism in (13);
3) end of described piston spring (24) bottom, the other end that withstand piston (23) places the groove (19) of the pump housing (1); Bottom, the other end that one end of described plunger stage clip (16) withstands plunger (15) prop up fuel-displaced one-way valve (17); Bottom outlet place, its oil outlet that described fuel-displaced one-way valve (17) is inverted in oil discharge passage (12) are connected with oil outlet (20), and outlet valve stage clip (18) withstands the spool of fuel-displaced one-way valve (17), and fuel-displaced one-way valve (17) is in normally off; Piston (23) is positioned at the top of pump cover inner chamber (22), and plunger (15) is positioned at the top of oil inlet passage (11) and contacts with the bottom surface of piston (23).
2. a kind of diesel hammer according to claim 1 is with pneumatic adjustable lubricating pump, it is characterized in that: be provided with three axial oil discharge passages of evenly arranging (12) in the described pump housing (1), corresponding with it, the quantity of drainback passage (13), plunger (15), plunger stage clip (16), fuel-displaced one-way valve (17), outlet valve stage clip (18), oil outlet (20) and oil amount regulating mechanism respectively is three.
3. a kind of diesel hammer according to claim 1 and 2 is with pneumatic adjustable lubricating pump, it is characterized in that: described oil amount regulating mechanism is made of adjusting screw (31), described adjusting screw (31) is provided with in the pump housing (1), the top of adjusting screw (31) is passed the pump housing (1) and is inserted in the drainback passage (13), leaves the gap between the inwall of adjusting screw (31) top and drainback passage (13); Be provided with seal ring (32) between adjusting screw (31) and the pump housing (1) inwall.
4. a kind of diesel hammer according to claim 1 and 2 is characterized in that with pneumatic adjustable lubricating pump: described suction tude (21) is fixedlyed connected with pump cover (2) by screw (33), and seals by packing ring (34).
5. a kind of diesel hammer according to claim 1 and 2 is characterized in that with pneumatic adjustable lubricating pump: described oil inlet pipe (14) is fixedlyed connected with the pump housing (1) by screw (33), and seals by packing ring (34).
6. a kind of vibration hammer hydraulic control system according to claim 1 and 2 is characterized in that: be provided with seal ring (32) between described plunger (15) and the pump housing (1) inwall.
CN2009201949992U 2009-09-18 2009-09-18 Pneumatic adjustable lubricating oil pump used for diesel hammer Expired - Fee Related CN201513698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201949992U CN201513698U (en) 2009-09-18 2009-09-18 Pneumatic adjustable lubricating oil pump used for diesel hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201949992U CN201513698U (en) 2009-09-18 2009-09-18 Pneumatic adjustable lubricating oil pump used for diesel hammer

Publications (1)

Publication Number Publication Date
CN201513698U true CN201513698U (en) 2010-06-23

Family

ID=42485109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201949992U Expired - Fee Related CN201513698U (en) 2009-09-18 2009-09-18 Pneumatic adjustable lubricating oil pump used for diesel hammer

Country Status (1)

Country Link
CN (1) CN201513698U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499482A (en) * 2014-12-15 2015-04-08 上海工程机械厂有限公司 Pile hammer with electric control fuel system
CN105332809A (en) * 2015-11-25 2016-02-17 中国船舶重工集团公司第七一一研究所 Diesel pile hammer and fuel system thereof
CN106257055A (en) * 2015-06-18 2016-12-28 株式会社岛津制作所 Liquid-feeding pump
CN116085656A (en) * 2022-12-02 2023-05-09 诸暨市华贝润滑机械有限公司 Flow-adjustable pneumatic lubrication pump for lubrication system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499482A (en) * 2014-12-15 2015-04-08 上海工程机械厂有限公司 Pile hammer with electric control fuel system
CN106257055A (en) * 2015-06-18 2016-12-28 株式会社岛津制作所 Liquid-feeding pump
CN106257055B (en) * 2015-06-18 2018-05-15 株式会社岛津制作所 Liquid-feeding pump
CN105332809A (en) * 2015-11-25 2016-02-17 中国船舶重工集团公司第七一一研究所 Diesel pile hammer and fuel system thereof
CN105332809B (en) * 2015-11-25 2018-06-12 中国船舶重工集团公司第七一一研究所 Diesel pile hammer and its fuel system
CN116085656A (en) * 2022-12-02 2023-05-09 诸暨市华贝润滑机械有限公司 Flow-adjustable pneumatic lubrication pump for lubrication system

Similar Documents

Publication Publication Date Title
CN100582484C (en) Internal circulation pressure balance ultra high pressure hydralic diaphram type metering pump
CN201513698U (en) Pneumatic adjustable lubricating oil pump used for diesel hammer
CN2934631Y (en) Ball valve type high pressure common-rail oil injection pump
CN201865889U (en) Clearance stepless adjustment actuator of reciprocating compressor
CN101113707B (en) Ball valve type high pressure shared-rail oil jetting pump
CN201041118Y (en) Diesel engine fuel injection machinery unit pump
CN2934630Y (en) High pressure common-rail oil injection pump with cooling oil passage
CN101968017B (en) Low pressure difference hydraulic sealing type high-pressure common-rail fuel pump
CN207004702U (en) Combined type electric-controlled co-rail high-pressure oil pump
CN109185252A (en) Stepless air adjusting mechanism and piston compressor
CN200964939Y (en) Diaphragm meter pump rear oil-supply control device
CN201810438U (en) Constant-pressure oil injection pump of diesel
CN201071794Y (en) Air pump of pneumatic high pressure grease injector
CN201818412U (en) Low pressure difference hydraulic sealing high pressure co-rail fuel pump
CN212318196U (en) Control valve sleeve with quick switching function
CN105756825A (en) Combined electromagnetic fuel oil injection and pressurizing piezoelectric fuel gas injection mixed fuel injection device
CN209483568U (en) A kind of gas-liquid booster pump
CN205578204U (en) Anti -return pneumatic type charging pump suitable for vacuum environment
CN201513271U (en) High pressure fuel pump used for diesel pile hammer
CN205714521U (en) Combined mechanical oil spout-supercharging piezoelectricity jet hybrid fuel jet device
CN220566171U (en) Electric control unit pump
CN109973356A (en) Stepless air adjusting mechanism and reciprocating compressor
CN105756829B (en) Combined mechanical oil spout is pressurized piezoelectricity jet hybrid fuel jet device
CN1153903C (en) Fuel oil pump for diesel engine
CN2581722Y (en) Pressurized water injection pump

Legal Events

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

Granted publication date: 20100623

Termination date: 20160918