CN107448762A - Automatic lubricant pump for hydraulic test - Google Patents

Automatic lubricant pump for hydraulic test Download PDF

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Publication number
CN107448762A
CN107448762A CN201710906715.7A CN201710906715A CN107448762A CN 107448762 A CN107448762 A CN 107448762A CN 201710906715 A CN201710906715 A CN 201710906715A CN 107448762 A CN107448762 A CN 107448762A
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CN
China
Prior art keywords
oil
mounting groove
automatic
fuel
displaced
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Granted
Application number
CN201710906715.7A
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Chinese (zh)
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CN107448762B (en
Inventor
吴柏强
郭佳
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Guangdong Rong Rong Heavy Industry Ltd By Share Ltd
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Guangdong Rong Rong Heavy Industry Ltd By Share Ltd
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Priority to CN201710906715.7A priority Critical patent/CN107448762B/en
Publication of CN107448762A publication Critical patent/CN107448762A/en
Application granted granted Critical
Publication of CN107448762B publication Critical patent/CN107448762B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N13/00Lubricating-pumps
    • F16N13/02Lubricating-pumps with reciprocating piston

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention discloses a kind of automatic lubricant pump for hydraulic test;Belong to lubrication pump technical field;Technical points include the pump housing, are provided with the first mounting groove in the pump housing wherein end face, are provided with working chamber in the first mounting groove inner bottom part, cylinder body is provided with the first mounting groove;Second mounting groove relative with the first mounting groove is provided with the pump housing other end relative with the first mounting groove, pressure regulating mechanism is provided with the second mounting groove, the pressure conduction mechanism being connected with pressure regulating mechanism is provided with cylinder body, the external pressure oil-in being conducted with pressure conduction mechanism is provided with cylinder body outer face;Oil inlet passage and oil discharge passage are respectively equipped with working chamber sidewall, oil inlet passage is connected with automatic inlet valve, and oil discharge passage is connected with automatic oil outlet valve;The present invention is intended to provide a kind of compact-sized, compact, the automatic lubricant pump for hydraulic test that load situation can be adapted to automatically and worked well;Lubrication for hydraulic test motive position.

Description

Automatic lubricant pump for hydraulic test
Technical field
The present invention relates to a kind of hydraulic test auxiliary accessories, more specifically, more particularly to it is a kind of for hydraulic test Automatic lubricant pump.
Background technology
The Chain saws -- Saw chain lubricating structure volume of traditional large hydraulic or mechanical tree-dozer is big, complicated mechanism, and cost is high, And it is difficult lubricants capacity adjustment to be present, it is impossible to adapts to live load and adapts to adjust automatically, lubricating oil can be caused to waste or lubricate effect The bad phenomenon of fruit.Or due to difficult arrangement, high cost influences to be not provided with saw chain lubricating arrangement, above reason cause saw chain and Guide plate service life is short, frequently to change saw chain and guide plate, simultaneously because poor lubrication sawing resistance can also increase influence work Make efficiency and increase oil consumption.
The content of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, there is provided a kind of compact-sized, compact, can be certainly The dynamic automatic lubricant pump for hydraulic test for adapting to load situation and automatically adjusting and working well in real time.
The technical proposal of the invention is realized in this way:A kind of automatic lubricant pump for hydraulic test, including the pump housing, its Described in the pump housing wherein end face be provided with the first mounting groove, working chamber is provided with the first mounting groove inner bottom part, in the first mounting groove It is interior to be provided with cylinder body;Second installation relative with the first mounting groove is provided with the pump housing other end relative with the first mounting groove Groove, pressure regulating mechanism is provided with the second mounting groove, the pressure conduction machine being connected with pressure regulating mechanism is provided with cylinder body Structure, the external pressure oil-in being conducted with pressure conduction mechanism is provided with cylinder body outer face;Set respectively in working chamber sidewall There are the oil inlet passage of connection external lubrication oil and the oil discharge passage of the outside part to be moistened of connection, oil inlet passage is connected with to be entered automatically Fuel tap, oil discharge passage are connected with automatic oil outlet valve, external pressure oil driving pressure conduction mechanism moved back and forth along working chamber and then The opening and closing of automatic inlet valve and automatic oil outlet valve are controlled, when automatic inlet valve is opened, automatic oil outlet valve is closed, when certainly When dynamic delivery valve is opened, automatic inlet valve is closed.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the cylinder body is being positioned by location division and being integrally formed Installation portion composition of the portion wherein in the middle part of one side, at location division edge circumferentially arranged with some stepped holes, corresponding to stepped hole The pump housing is provided with internal thread hole, and lock screw is threadedly coupled through stepped hole with corresponding internal thread hole;The location division and peace The first sealing ring is provided between the contact site outer wall and the pump housing in dress portion;The pressure conduction mechanism is arranged in installation portion.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the pressure regulating mechanism is by being arranged on the second installation Regulation bearing in groove, the 3rd mounting groove being arranged on the regulation bearing end face relative with the second mounting groove inner bottom part, screw thread It is connected to the set screw corresponding to the 3rd mounting groove inner bottom part on regulation bearing, is threaded in positioned at regulation support outer The regulation support plate of locking nut, the set screw end being arranged in the 3rd mounting groove in set screw, it is arranged on tune Save the second sealing ring being engaged in support plate side wall and with the 3rd mounting groove and be arranged on the first spring of regulation support plate outer face Composition, the first spring are folded between regulation support plate and pressure conduction mechanism.
It is close that the 3rd is provided with a kind of above-mentioned automatic lubricant pump for hydraulic test, between the regulation bearing and the pump housing Seal.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the pressure conduction mechanism include be arranged on cylinder body with Directed cavity on the relative end face of working chamber, the plunger being movably arranged in directed cavity, it is arranged between plunger outer wall and cylinder body The 4th sealing ring, the push rod that is arranged on the plunger end face relative with working chamber and be arranged in the 3rd mounting groove and and push rod The force transmitting board composition being fixedly connected, the first spring are folded between regulation support plate and force transmitting board.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the pump housing is provided with what is be conducted with oil inlet passage Oil inlet passage is separated into preceding oil inlet passage and rear oil inlet passage by the 4th mounting groove, the 4th mounting groove, and the automatic inlet valve is set Put in the 4th mounting groove and the oil inlet of automatic inlet valve and oil-out connect the forward and backward oil inlet passage of conducting respectively;It is described from Dynamic inlet valve includes the oil-feed valve body being arranged in the 4th mounting groove, at the oil-feed valve body end relative with the 4th mounting groove inner bottom part Oil-feed counterbore is provided with face vertically, second spring is provided with oil-feed counterbore, it is spacing to be provided with oil-feed in oil-feed counterbore opening portion Ring, oil-feed spacing ring endoporus are conducted with preceding oil inlet passage, and truncated cone is folded between oil-feed spacing ring and second spring Oil-feed sealing-plug, the top end face external diameter of oil-feed sealing-plug is less than the internal diameter of oil-feed spacing ring and bottom end face external diameter be more than into The internal diameter of oily spacing ring, oil-feed sealing-plug top end face the oily passage that marches forward;If in oil-feed counterbore side wall circumferentially arranged with The inlet valve oil outlet of dry conducting oil-feed counterbore and rear oil inlet passage, it is fuel-displaced that conducting inlet valve is provided with the 4th mounting groove inwall Hole and the first annular oil guide groove of rear oil inlet passage.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the oil-feed valve body is by the first cap body and is integrally formed Formed in the first cylinder of the first cap body wherein end face, the shape and the shape of oil-feed valve body of the 4th mounting groove are mutually fitted Should;Be provided with external screw thread vertically on one end outer wall of first cylinder close to the first cap body, in the 4th mounting groove be provided with it is outer The internal thread that screw thread is engaged, interior hexagonal first blind manipulation notches are provided with the first cap body other end;In the first cap body With the contact site of the first cylinder corresponding to installation inclined-plane is provided with the 4th mounting groove, be provided between installation inclined-plane and oil-feed valve body 5th sealing ring;Annular groove is provided with oil-feed valve outer wall between preceding oil inlet passage and first annular oil guide groove, in annular The 6th sealing ring is provided with groove.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the pump housing is provided with what is be conducted with oil discharge passage Oil discharge passage is separated into preceding oil discharge passage and rear oil discharge passage by the 5th mounting groove, the 5th mounting groove, and the automatic oil outlet valve is set Put in the 5th mounting groove and the oil inlet and oil-out of automatic oil outlet valve connect the forward and backward oil discharge passage of conducting respectively;It is described from Dynamic delivery valve includes the fuel-displaced valve body being arranged in the 5th mounting groove, at the fuel-displaced valve body end relative with the 5th mounting groove inner bottom part Fuel-displaced counterbore is provided with face vertically, second spring is provided with fuel-displaced counterbore, is provided with fuel-displaced counterbore opening portion fuel-displaced spacing Ring, fuel-displaced spacing ring endoporus are conducted with preceding oil discharge passage, and truncated cone is folded between fuel-displaced spacing ring and second spring Fuel-displaced sealing-plug, the top end face external diameter of fuel-displaced sealing-plug is less than the internal diameter of fuel-displaced spacing ring and bottom end face external diameter is more than The internal diameter of oily spacing ring, fuel-displaced sealing-plug top end is facing to preceding oil discharge passage;If in fuel-displaced counterbore side wall circumferentially arranged with The dry inlet valve oil outlet for turning on fuel-displaced counterbore and rear oil discharge passage, it is fuel-displaced that conducting inlet valve is provided with the 5th mounting groove inwall Hole and the second annular oil guide groove of rear oil discharge passage.
In a kind of above-mentioned automatic lubricant pump for hydraulic test, the fuel-displaced valve body is by the second cap body and is integrally formed Formed in the second cylinder of the second cap body wherein end face, the shape and the shape of fuel-displaced valve body of the 5th mounting groove are mutually fitted Should;Be provided with external screw thread vertically on one end outer wall of second cylinder close to the second cap body, in the 5th mounting groove be provided with it is outer The internal thread that screw thread is engaged, interior hexagonal second blind manipulation notches are provided with the second cap body other end;In the second cap body With the contact site of the second cylinder corresponding to installation inclined-plane is provided with the 5th mounting groove, be provided between installation inclined-plane and fuel-displaced valve body 7th sealing ring;Annular groove is provided with fuel-displaced valve outer wall between preceding oil discharge passage and the second annular oil guide groove, in annular The 8th sealing ring is provided with groove.
After the present invention uses said structure, coordinated by pressure conduction mechanism and pressure regulating mechanism, detect hydraulic pressure in real time The pressure of system pressure oil, according to pressure size, adjusts fuel delivery in real time.And can be according to the specific needs of equipment, by adjusting spiral shell Silk conveniently and efficiently adjusts the pretightning force of the first spring, stroke and movement velocity when being pressurized so as to pilot plunger, so as to realize The adjustment of the oil extraction pressure and oil extraction oil mass of Wetting pump of the present invention.
The automatic lubricant pump of the present invention, there is the advantages of small volume, part is few and compact-sized, and can be according to equipment Load, i.e. the size of the change of the pressure of pressure oil-in and the speed of frequency automatically adjust the discharge capacity of pump, simultaneously because it Design feature can realize minimal amount of pumping this is that other hydraulic pumps are difficult to realize.Meanwhile automatic lubricant pump of the present invention Design height it is integrated the volume of the pump is made small or even is desirably integrated on the joint of fluid pressure line, install non- It is often convenient simple, go for solving the problems, such as the intermittent oilling of equipment in most hydraulic mechanical equipment, be adapted to push away extensively It is wide to use.
Brief description of the drawings
The present invention is described in further detail for embodiment in below in conjunction with the accompanying drawings, but does not form to the present invention's Any restrictions.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the close-up schematic view at A in Fig. 1;
Fig. 3 is the close-up schematic view at B in Fig. 1;
Fig. 4 is the close-up schematic view at C in Fig. 1.
In figure:The pump housing 1, the first mounting groove 1a, working chamber 1b, the second mounting groove 1c, oil inlet passage 1d, oil discharge passage 1e, It is 4th mounting groove 1f, preceding oil inlet passage 1g, rear oil inlet passage 1h, first annular oil guide groove 1i, the 5th mounting groove 1j, preceding fuel-displaced logical Road 1k, rear oil discharge passage 1l, the second annular oil guide groove 1m, cylinder body 2, external pressure oil-in 2a, location division 2b, installation portion 2c, Stepped hole 2d, the first sealing ring 2e, pressure regulating mechanism 3, regulation bearing 3a, the 3rd mounting groove 3b, set screw 3c, locking screw Female 3d, regulation support plate 3e, the second sealing ring 3f, the first spring 3g, the 3rd sealing ring 3h, pressure conduction mechanism 4, plunger 4a, the Four sealing ring 4b, push rod 4c, force transmitting board 4d, automatic inlet valve 5, oil-feed valve body 5a, oil-feed counterbore 5b, second spring 5c, oil-feed Spacing ring 5d, oil-feed sealing-plug 5e, inlet valve oil outlet 5f, the first cap body 5g, the first cylinder 5h, the first blind manipulation notches 5i, Six sealing ring 5j, automatic oil outlet valve 6, fuel-displaced valve body 6a, fuel-displaced counterbore 6b, second spring 6c, fuel-displaced spacing ring 6d, go out oil seal Fill in 6e, inlet valve oil outlet 6f, the second cap body 6g, the second cylinder 6h, the second blind manipulation notches 6i, the 8th sealing ring 6j, the 5th close Seal 7, the 7th sealing ring 8.
Embodiment
Refering to shown in Fig. 1 to Fig. 4, a kind of automatic lubricant pump for hydraulic test of the invention, including the pump housing 1, the pump housing It is preferably cylindrical or square.The first mounting groove 1a is provided with the wherein end face of the pump housing 1, is provided with the first mounting groove 1a inner bottom parts Working chamber 1b, cylinder body 2 is provided with the first mounting groove 1a.
Second installation relative with the first mounting groove 1a is provided with the other end of the pump housing 1 relative with the first mounting groove 1a Groove 1c, pressure regulating mechanism 3 is provided with the second mounting groove 1c, the pressure being connected with pressure regulating mechanism 3 is provided with cylinder body 2 Conduction mechanism 4, the external pressure oil-in 2a being conducted with pressure conduction mechanism 4 is provided with the outer face of cylinder body 2;
Portion to be moistened outside the oil inlet passage 1d and connection of connection external lubrication oil is respectively equipped with working chamber 1b side walls The oil discharge passage 1e of part, oil inlet passage 1d are connected with automatic inlet valve 5, and oil discharge passage 1e is connected with automatic oil outlet valve 6, outside pressure Power oil driving pressure conduction mechanism 4 moves back and forth along working chamber 1b and then controls the unlatching of automatic inlet valve 5 and automatic oil outlet valve 6 And closing, when automatic inlet valve 5 is opened, automatic oil outlet valve 6 is closed, and when automatic oil outlet valve 6 is opened, automatic inlet valve 5 closes Close.
Specifically, the cylinder body 2 by location division 2b and is integrally formed the installation portion in location division 2b wherein in the middle part of one side 2c is formed, and at location division 2b edges circumferentially arranged with some stepped hole 2d, is being provided with internal thread corresponding to stepped hole 2d on the pump housing 1 Hole, lock screw are threadedly coupled through stepped hole 2d with corresponding internal thread hole;Location division 2b contacts with installation portion 2c The first sealing ring 2e is provided between portion's outer wall and the pump housing 1;The pressure conduction mechanism 4 is arranged in installation portion 2c.
Pressure regulating mechanism 3 by be arranged in the second mounting groove 1c regulation bearing 3a, be arranged on regulation bearing 3a and the The 3rd mounting groove 3b on the relative end face of two mounting groove 1c inner bottom parts, it is threaded in corresponding to the 3rd mounting groove 3b inner bottom parts Adjust the set screw 3c on bearing 3a, the locking nut on the set screw 3c being threaded on the outside of regulation bearing 3a 3d, the set screw 3c ends being arranged in the 3rd mounting groove 3b regulation support plate 3e, be arranged on regulation support plate 3e side walls Upper and the second sealing ring 3f for being engaged with the 3rd mounting groove 3b and the first spring 3g groups for being arranged on regulation support plate 3e outer faces Into the first spring 3g is folded between regulation support plate 3e and pressure conduction mechanism 4.Meanwhile between regulation bearing 3a and the pump housing 1 Provided with the 3rd sealing ring 3h.
Correspondingly, pressure conduction mechanism 4 includes directed cavity, the work being arranged on the end face relative with working chamber 1b of cylinder body 2 The dynamic plunger 4a being arranged in directed cavity, the 4th sealing ring 4b being arranged between plunger 4a outer walls and cylinder body 2, it is arranged on plunger Push rod 4c on end face relative with working chamber 1b 4a and it is arranged on the biography being fixedly connected in the 3rd mounting groove 3b and with push rod 4c Power plate 4d is formed, and the first spring 3g is folded between regulation support plate 3e and force transmitting board 4d.
Preferably, the 4th mounting groove 1f being conducted with oil inlet passage 1d is provided with the pump housing 1, the 4th mounting groove 1f will enter Oily passage 1d is separated into preceding oil inlet passage 1g and rear oil inlet passage 1h, and the automatic inlet valve 5 is arranged in the 4th mounting groove 1f And the oil inlet and oil-out of automatic inlet valve 5 connect conducting forward and backward oil inlet passage 1g, 1h respectively;The automatic inlet valve 5 wraps The oil-feed valve body 5a being arranged in the 4th mounting groove 1f is included, in the oil-feed valve body 5a end faces relative with the 4th mounting groove 1f inner bottom parts On be provided with oil-feed counterbore 5b vertically, second spring 5c is provided with oil-feed counterbore 5b, be provided with oil-feed counterbore 5b opening portions into Oily spacing ring 5d, oil-feed spacing ring 5d endoporus are conducted with preceding oil inlet passage 1g, oil-feed spacing ring 5d and second spring 5c it Between be folded with the oil-feed sealing-plug 5e of truncated cone, oil-feed sealing-plug 5e top end face external diameter is interior less than oil-feed spacing ring 5d Footpath and bottom end face external diameter are more than oil-feed spacing ring 5d internal diameter, and oil-feed sealing-plug 5e top ends face the oily passage 1g that marches forward; Circumferentially arranged with some conducting oil-feed counterbore 5b and rear oil inlet passage 1h inlet valve oil outlet 5f in oil-feed counterbore 5b side walls, Conducting inlet valve oil outlet 5f and rear oil inlet passage 1h first annular oil guide groove 1i is provided with the 4th mounting groove 1f inwalls.
It is further preferred that oil-feed valve body 5a is by the first cap body 5g and is integrally formed in the first cap body 5g wherein end faces First cylinder 5h is formed, and the shape and oil-feed valve body 5a shape of the 4th mounting groove 1f are adapted;Leaned in the first cylinder 5h External screw thread is provided with vertically on nearly first cap body 5g one end outer wall, is provided with what is be engaged with external screw thread in the 4th mounting groove 1f Internal thread, interior hexagonal first blind manipulation notches 5i is provided with the first cap body 5g other ends;In the first cap body 5g and first Installation inclined-plane is provided with 4th mounting groove 1f corresponding to cylinder 5h contact site, is provided between installation inclined-plane and oil-feed valve body 5a 5th sealing ring 7;Annular groove is provided with oil-feed valve body 5a outer walls between preceding oil inlet passage 1g and first annular oil guide groove 1i, The 6th sealing ring 5j is provided with annular groove.
Meanwhile the pump housing 1 is provided with the 5th mounting groove 1j being conducted with oil discharge passage 1e, the 5th mounting groove 1j will be fuel-displaced logical Road 1e is separated into preceding oil discharge passage 1k and rear oil discharge passage 1l, and the automatic oil outlet valve 6 is arranged in the 5th mounting groove 1j and oneself The oil inlet and oil-out of dynamic delivery valve 6 connect conducting forward and backward oil discharge passage 1k, 1l respectively;The automatic oil outlet valve 6 includes setting The fuel-displaced valve body 6a in the 5th mounting groove 1j is put, the edge on the fuel-displaced valve body 6a end faces relative with the 5th mounting groove 1j inner bottom parts It is axially arranged with fuel-displaced counterbore 6b, second spring 6c is provided with fuel-displaced counterbore 6b, fuel-displaced limit is provided with fuel-displaced counterbore 6b opening portions Position ring 6d, fuel-displaced spacing ring 6d endoporus are conducted with preceding oil discharge passage 1k, pressed from both sides between fuel-displaced spacing ring 6d and second spring 6c Fuel-displaced sealing-plug 6e provided with truncated cone, fuel-displaced sealing-plug 6e top end face external diameter less than fuel-displaced spacing ring 6d internal diameter and Bottom end face external diameter is more than fuel-displaced spacing ring 6d internal diameter, and fuel-displaced sealing-plug 6e top ends are facing to preceding oil discharge passage 1k;Going out Circumferentially arranged with the fuel-displaced counterbore 6b and rear oil discharge passage 1l of some conductings inlet valve oil outlet 6f in oily counterbore 6b side walls, the Five mounting groove 1j inwalls are provided with conducting inlet valve oil outlet 6f and rear oil discharge passage 1l the second annular oil guide groove 1m.
Preferably, fuel-displaced valve body 6a by the second cap body 6g and is integrally formed the second post in the second cap body 6g wherein end faces Body 6h is formed, and the shape and fuel-displaced valve body 6a shape of the 5th mounting groove 1j are adapted;In the second cylinder 6h close to second External screw thread is provided with cap body 6g one end outer wall vertically, the interior spiral shell being engaged with external screw thread is provided with the 5th mounting groove 1j Line, interior hexagonal second blind manipulation notches 6i is provided with the second cap body 6g other ends;In the second cap body 6g and the second cylinder Installation inclined-plane is provided with 5th mounting groove 1j corresponding to 6h contact site, the 7th is provided between installation inclined-plane and fuel-displaced valve body 6a Sealing ring 8;Annular groove is provided with fuel-displaced valve body 6a outer walls between preceding oil discharge passage 1k and the second annular oil guide groove 1m, in ring The 8th sealing ring 6j is provided with shape groove.
In use, the pressure oil of hydraulic system is connected to the external pressure oil-in of lubricating pump, when in the pressure of access Rise when, act on plunger hydraulic action be more than the first spring default elastic force when, plunger is moved into work toward right direction Chamber, the volume reducing of working chamber, cavity pressure rise, and the oil-feed sealing-plug on automatic inlet valve is closed, on automatic oil outlet valve Fuel-displaced sealing-plug is opened, and the oil in working chamber was discharged by sliding cylinder extrusion by automatic oil outlet valve from oil discharge passage originally, was completed The oil extraction of pump.The hydraulic action that plunger is acted on when the pressure of external pressure oil-in declines is reduced, and plunger is being compressed The first spring elastic force effect under coordinated by the first spring by push rod and force transmitting board and promote to left movement, the volume of working chamber Increase, cavity pressure decline, and automatic oil outlet valve is closed, and automatic inlet valve is opened, and the oil outside oil inlet passage is sucked into pass through certainly Dynamic inlet valve enters working chamber, completes the oil-absorbing process of pump.
The automatic lubricant pump of the present invention need not connect hydraulic circuit using the design of single-acting oil circuit, and connection is simple.Plunger returns Journey is promoted by push rod by the elastic force of the first spring and realized.The pressure of external pressure oil-in rises faster, rising more Gao Zezhu Plug speed to the right and stroke are bigger, and the pressure of oil discharge passage is higher and oil mass is bigger.Regulation pressure is adjusted by set screw The pretightning force of the first spring in governor motion can adjust the stroke and movement velocity of plunger, so as to realize the oil extraction pressure of pump And the adjustment of oil extraction oil mass.The automatic lubricant pump small volume of the present invention, part is few, compact-sized, and can be according to equipment Load, i.e., the size of the pressure change of external pressure oil-in and the speed of frequency automatically adjust the discharge capacity of pump, simultaneously because it Original creation design feature can realize minimal amount of pumping, this is that other hydraulic pumps are difficult to realize.The self-lubricate of the present invention The design height of pump is integrated to allow the volume of the pump to be made small or even be desirably integrated on the joint of fluid pressure line, installs It is very convenient simple, go for solving the problems, such as the intermittent oilling of equipment in most hydraulic mechanical equipment, be adapted to extensive Promote the use of, there is the beneficial effect of highly significant.
Embodiment provided above is the better embodiment of the present invention, is only used for the convenient explanation present invention, not to this hair It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.

Claims (9)

1. a kind of automatic lubricant pump for hydraulic test, including the pump housing (1), it is characterised in that the pump housing (1) wherein one end Face is provided with the first mounting groove (1a), and working chamber (1b) is provided with the first mounting groove (1a) inner bottom part, in the first mounting groove (1a) Provided with cylinder body (2);It is provided with the pump housing (1) other end relative with the first mounting groove (1a) relative with the first mounting groove (1a) The second mounting groove (1c), be provided with pressure regulating mechanism (3) in the second mounting groove (1c), be provided with and pressure cylinder body (2) is interior The pressure conduction mechanism (4) of governor motion (3) connection, it is provided with what is be conducted with pressure conduction mechanism (4) in cylinder body (2) outer face External pressure oil-in (2a);
Oil inlet passage (1d) and the outside portion to be moistened of connection of connection external lubrication oil are respectively equipped with working chamber (1b) side wall The oil discharge passage (1e) of part, oil inlet passage (1d) are connected with automatic inlet valve (5), and oil discharge passage (1e) is connected with automatic oil outlet valve (6), external pressure oil driving pressure conduction mechanism (4) along working chamber (1b) move back and forth so that control automatic inlet valve (5) and The opening and closing of automatic oil outlet valve (6), when automatic inlet valve (5) is opened, automatic oil outlet valve (6) is closed, and works as automatic oil outlet When valve (6) is opened, automatic inlet valve (5) is closed.
A kind of 2. automatic lubricant pump for hydraulic test according to claim 1, it is characterised in that the cylinder body (2) It is made up of location division (2b) and the installation portion (2c) being integrally formed at location division (2b) wherein in the middle part of one side, at location division (2b) Edge is being provided with internal thread hole, lock screw circumferentially arranged with some stepped holes (2d) on the pump housing (1) corresponding to stepped hole (2d) It is threadedly coupled through stepped hole (2d) with corresponding internal thread hole;The location division (2b) and the contact site outer wall of installation portion (2c) The first sealing ring (2e) is provided between the pump housing (1);The pressure conduction mechanism (4) is arranged in installation portion (2c).
A kind of 3. automatic lubricant pump for hydraulic test according to claim 1, it is characterised in that the pressure regulation Mechanism (3) by be arranged in the second mounting groove (1c) regulation bearing (3a), be arranged on regulation bearing (3a) with the second mounting groove The 3rd mounting groove (3b) on the relative end face of (1c) inner bottom part, it is threaded in corresponding to the 3rd mounting groove (3b) inner bottom part and adjusts Save the set screw (3c) on bearing (3a), the lock in the set screw (3c) being threaded on the outside of regulation bearing (3a) Tight nut (3d), set screw (3c) end being arranged in the 3rd mounting groove (3b) regulation support plate (3e), be arranged on Adjust the second sealing ring (3f) being engaged in support plate (3e) side wall and with the 3rd mounting groove (3b) and be arranged on regulation support plate First spring (3g) composition of (3e) outer face, the first spring (3g) are folded in regulation support plate (3e) and pressure conduction mechanism (4) Between.
A kind of 4. automatic lubricant pump for hydraulic test according to claim 1, it is characterised in that the regulation bearing The 3rd sealing ring (3h) is provided between (3a) and the pump housing (1).
A kind of 5. automatic lubricant pump for hydraulic test according to claim 1 or 3, it is characterised in that the pressure Directed cavity that conduction mechanism (4) includes being arranged on cylinder body (2) and the relative end face of working chamber (1b), it is movably arranged on directed cavity Interior plunger (4a), the 4th sealing ring (4b) being arranged between plunger (4a) outer wall and cylinder body (2), be arranged on plunger (4a) with Push rod (4c) on the relative end face of working chamber (1b) and it is arranged in the 3rd mounting groove (3b) and is fixedly connected with push rod (4c) Force transmitting board (4d) composition, the first spring (3g) be folded in regulation support plate (3e) and force transmitting board (4d) between.
A kind of 6. automatic lubricant pump for hydraulic test according to claim 1, it is characterised in that the pump housing (1) The 4th mounting groove (1f) being conducted with oil inlet passage (1d) is provided with, oil inlet passage (1d) is separated into by the 4th mounting groove (1f) Preceding oil inlet passage (1g) and rear oil inlet passage (1h), the automatic inlet valve (5) are arranged in the 4th mounting groove (1f) and automatic The oil inlet and oil-out of inlet valve (5) connect the forward and backward oil inlet passage (1g, 1h) of conducting respectively;Automatic inlet valve (5) bag The oil-feed valve body (5a) being arranged in the 4th mounting groove (1f) is included, in oil-feed valve body (5a) and the 4th mounting groove (1f) inner bottom part phase To end face on be provided with oil-feed counterbore (5b) vertically, second spring (5c) is provided with the oil-feed counterbore (5b), in oil-feed counterbore (5b) opening portion is provided with oil-feed spacing ring (5d), and oil-feed spacing ring (5d) endoporus is conducted with preceding oil inlet passage (1g), in oil-feed The oil-feed sealing-plug (5e) of truncated cone, the top of oil-feed sealing-plug (5e) are folded between spacing ring (5d) and second spring (5c) End surface external diameter is less than the internal diameter of oil-feed spacing ring (5d) and bottom end face external diameter is more than the internal diameter of oil-feed spacing ring (5d), oil-feed Sealing-plug (5e) top end faces the oily passage (1g) that marches forward;In oil-feed counterbore (5b) side wall circumferentially arranged with it is some turn on into Oily counterbore (5b) and the inlet valve oil outlet (5f) of rear oil inlet passage (1h), on the 4th mounting groove (1f) inwall be provided with turn on into The first annular oil guide groove (1i) of fuel tap oil outlet (5f) and rear oil inlet passage (1h).
A kind of 7. automatic lubricant pump for hydraulic test according to claim 6, it is characterised in that the oil-feed valve body (5a) is made up of the first cap body (5g) and the first cylinder (5h) being integrally formed in the first cap body (5g) wherein end face, and described The shape of four mounting grooves (1f) and the shape of oil-feed valve body (5a) are adapted;In the first cylinder (5h) close to the first cap body (5g) External screw thread is provided with the outer wall of one end vertically, the internal thread being engaged with external screw thread is provided with the 4th mounting groove (1f), the One cap body (5g) other end is provided with interior hexagonal first blind manipulation notches (5i);In the first cap body (5g) and the first cylinder Installation inclined-plane is provided with 4th mounting groove (1f) corresponding to the contact site of (5h), is set between installation inclined-plane and oil-feed valve body (5a) There is the 5th sealing ring (7);On oil-feed valve body (5a) outer wall between preceding oil inlet passage (1g) and first annular oil guide groove (1i) Provided with annular groove, the 6th sealing ring (5j) is provided with annular groove.
A kind of 8. automatic lubricant pump for hydraulic test according to claim 1, it is characterised in that the pump housing (1) The 5th mounting groove (1j) being conducted with oil discharge passage (1e) is provided with, oil discharge passage (1e) is separated into by the 5th mounting groove (1j) Preceding oil discharge passage (1k) and rear oil discharge passage (1l), the automatic oil outlet valve (6) are arranged in the 5th mounting groove (1j) and automatic The oil inlet and oil-out of delivery valve (6) connect the forward and backward oil discharge passage (1k, 1l) of conducting respectively;Automatic oil outlet valve (6) bag The fuel-displaced valve body (6a) being arranged in the 5th mounting groove (1j) is included, in fuel-displaced valve body (6a) and the 5th mounting groove (1j) inner bottom part phase To end face on be provided with fuel-displaced counterbore (6b) vertically, second spring (6c) is provided with the fuel-displaced counterbore (6b), in fuel-displaced counterbore (6b) opening portion is provided with fuel-displaced spacing ring (6d), and fuel-displaced spacing ring (6d) endoporus is conducted with preceding oil discharge passage (1k), fuel-displaced The fuel-displaced sealing-plug (6e) of truncated cone, the top of fuel-displaced sealing-plug (6e) are folded between spacing ring (6d) and second spring (6c) End surface external diameter is less than the internal diameter of fuel-displaced spacing ring (6d) and bottom end face external diameter is more than the internal diameter of fuel-displaced spacing ring (6d), fuel-displaced Sealing-plug (6e) top end is facing to preceding oil discharge passage (1k);Turned on out in fuel-displaced counterbore (6b) side wall circumferentially arranged with some Oily counterbore (6b) and the inlet valve oil outlet (6f) of rear oil discharge passage (1l), on the 5th mounting groove (1j) inwall be provided with turn on into The second annular oil guide groove (1m) of fuel tap oil outlet (6f) and rear oil discharge passage 1l.
A kind of 9. automatic lubricant pump for hydraulic test according to claim 8, it is characterised in that the fuel-displaced valve body (6a) is made up of the second cap body (6g) and the second cylinder (6h) being integrally formed in the second cap body (6g) wherein end face, and described The shape of five mounting grooves (1j) and the shape of fuel-displaced valve body (6a) are adapted;In the second cylinder (6h) close to the second cap body (6g) External screw thread is provided with the outer wall of one end vertically, the internal thread being engaged with external screw thread is provided with the 5th mounting groove (1j), the Two cap bodies (6g) other end is provided with interior hexagonal second blind manipulation notches (6i);In the second cap body (6g) and the second cylinder Installation inclined-plane is provided with 5th mounting groove (1j) corresponding to the contact site of (6h), is set between installation inclined-plane and fuel-displaced valve body (6a) There is the 7th sealing ring (8);On fuel-displaced valve body (6a) outer wall between preceding oil discharge passage (1k) and the second annular oil guide groove (1m) Provided with annular groove, the 8th sealing ring (6j) is provided with annular groove.
CN201710906715.7A 2017-09-29 2017-09-29 Automatic lubrication pump for hydraulic equipment Active CN107448762B (en)

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Publication number Priority date Publication date Assignee Title
CN109268334A (en) * 2018-11-20 2019-01-25 台州巨力工具有限公司 A kind of check valve and hydraulic tool for hydraulic tool
CN112289599A (en) * 2020-10-26 2021-01-29 国网上海市电力公司 Control valve, hydraulic operating mechanism and circuit breaker

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CN106122742A (en) * 2016-06-15 2016-11-16 珠海格力节能环保制冷技术研究中心有限公司 Oil pump assembly and there is its linear compressor
CN207394330U (en) * 2017-09-29 2018-05-22 广东鸿荣重工股份有限公司 A kind of automatic lubricant pump for hydraulic test

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CN2321606Y (en) * 1998-02-18 1999-06-02 开封市技工学校实习工厂 Hydraulic integrated block for hydraulic bow saving machine
JP2003328928A (en) * 2002-05-17 2003-11-19 Toshiba Mach Co Ltd Lubricant force feeding pump and method for supplying lubricant for predetermined quantity with usage of the pump
CN201696847U (en) * 2010-04-28 2011-01-05 杨树文 Flow regulator of automatic bearing grease injector
CN102853238A (en) * 2012-03-21 2013-01-02 马鞍山友邦重工机械有限公司 Plunger pump used for planomiller mill head box
CN102889462A (en) * 2012-10-14 2013-01-23 杨洁 Single-plunger double-line multi-point parallel progressive automatic lubricating pump
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CN203857251U (en) * 2014-05-27 2014-10-01 郑州奥特科技有限公司 Spring type grease absorbing device and waste grease recovering device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268334A (en) * 2018-11-20 2019-01-25 台州巨力工具有限公司 A kind of check valve and hydraulic tool for hydraulic tool
CN112289599A (en) * 2020-10-26 2021-01-29 国网上海市电力公司 Control valve, hydraulic operating mechanism and circuit breaker
CN112289599B (en) * 2020-10-26 2023-11-10 国网上海市电力公司 Control valve, hydraulic operating mechanism and circuit breaker

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