CN208418126U - A kind of plunger hydraulic oil pump for lubrication of bull oil extraction simultaneously - Google Patents

Abstract

The utility model provides a kind of plunger hydraulic oil pump for lubrication of bull oil extraction simultaneously, including the pump housing, round oil drum and oil drum cap, is equipped with transition disc above the pump housing, oil drum is fixed on transition disc；Hit exactly steady brace inside oil drum above the pump housing, camshaft unrolls pull rod rotation, is equipped with rotatable scraper plate above transition disc, lateral setting damper rod above scraper plate；Motor is by deceleration turbine drives camshaft, and the movement of camshaft actuated plunger body, pump housing right side oil extraction block is interior to be equipped with oil extraction plunger and reset spring, and positioning joint is connected on the outside of oil extraction block, and delivery connection is installed equipped with pressure sensor, positioning joint outside in lower section.The utility model directly pushes lubricating oil externally fuel-displaced by oil pump inner plunger, charge oil pressure is high, and oily cylinder designs above oil outlet, the oil storage that can be emptied completely in oily cylinder, and it is reduced as far as tank bottoms or corner lubricating grease remaining, thoroughly solve the problems, such as that oil circuit blocking and oil accumulation are rotten.

Description

A kind of plunger hydraulic oil pump for lubrication of bull oil extraction simultaneously

Technical field

This application involves lubricating system technical fields, and in particular to a kind of plunger hydraulic lubrication oil of bull oil extraction simultaneously Pump.

Background technique

Existing oil pump includes gear pump and plunger hydraulic pump, and gear pump passes through bottom vacuum oil suction, out oil pressure highest 4.5MPa realizes the fuel feeding to main oil pipe road, and by the distributor on main oil pipe, to oil distributing pipe Lu Shihang secondary distribution oil Amount, to realize the lubrication of each oil site, by distributor secondary distribution oil mass process, oil circuit pressure loss is big, at high cost, tooth The pressure of wheel pump vacuum oil suction is limited, can not be by improving pressure dredging after oil circuit blocking；Existing plunger hydraulic pump mostly uses length Rectangular fuel tank, in the lower section of oil pump, oil outlet is designed in the top of pasta tank design, when oil pump oil extraction to low level, oil There is rotten possibility in the still remaining lubricating grease in case lower curtate corner, the lubricating grease that cannot be discharged for a long time, in addition to manual cleaning, no Can effective cleaning residual, secondly conventional lubrication system is by grease pump, main oil pipe, relaying point oil oily a row, oil distributing pipe, equipment lubrication Point composition, part is more, and structure is complicated.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of bull simultaneously oil extraction plunger hydraulic oil pump for lubrication, Structure is simple, charge oil pressure is high, can thoroughly solve the problems, such as that oil circuit blocking and oil accumulation are rotten.

In order to solve the above-mentioned technical problem, this application discloses a kind of plunger hydraulic lubrication oils of bull oil extraction simultaneously Pump, including the pump housing, the intracorporal camshaft of pump, round oil drum and oil drum cap, the pump housing top are equipped with transition disc, and the oil drum is solid Due on the transition disc.

Wherein, steady brace is hit exactly inside the oil drum above the pump housing, the camshaft unrolls the pull rod rotation, It is equipped with rotatable scraper plate above the transition disc, damper rod is laterally set above the scraper plate, the pull rod passes through the scraper plate With the damper rod and extend to oil drum cap.

Plunger body, fixed motor on the right side of the pump housing are equipped with immediately ahead of the pump housing, the camshaft is equipped with deceleration turbine, institute It states deceleration turbine described in motor driven to be rotated in deceleration, the rotation of camshaft described in the deceleration turbine drives, the camshaft actuated The plunger body movement, the pump housing front side are equipped with overflow valve, and left side is equipped with normally closed bi-bit bi-pass screw-in cartridge valve, and right side is equipped with Bull oil extraction block, the oil extraction block is interior to be equipped with oil extraction plunger and reset spring, connects positioning joint, lower section on the outside of the oil extraction block Equipped with pressure sensor, the delivery connection for fixing oil distributing pipe is installed on the outside of the positioning joint.

Further, the side of the oil drum cap is equipped with gas port, installs air guide plug, the air guide plug on the gas port Elastic sealing gasket is housed between gas port, reserves stomata on the rubber gasket.

Further, oil extraction check valve is equipped in the plunger body.

Further, oil outlet one-way valve is installed in the positioning joint.

Further, different length is arranged in the positioning joint.

Further, filling passage is equipped on front side of the pump housing, oiling seat, the oiling are installed in the filling passage bottom Seat can horizontal direction rotation, filter screen is equipped in the oiling seat.

Compared with prior art, the application has the advantage that is with beneficial effect:

1, above oil outlet, minimum oil level is in the top of oil outlet, interior to be equipped with rotation for oily cylinder design in the utility model Turn scraper plate stirring and scrapes downwards, after each grease up, the oil storage that can be emptied completely in oily cylinder, and can be clear as much as possible The remaining lubricating grease of empty oil drum and transition disc corner；

2, lubricating oil is directly pushed by oil pump inner plunger, it is externally fuel-displaced, change spring and push, significantly improves out oil pressure, 4 times of charge oil pressure or more reach 20MPa or more；

3, connection positioning joint and delivery connection on the outside of oil extraction block, positioning joint limit the stroke of oil extraction plunger, and difference is long The positioning joint of degree, can produce different oil extraction ram travels, it is possible to provide different oil drain quantities, delivery connection can be fixed point The other end of oil pipe oil distributing pipe directly couples with friction pair, oil sites such as vehicle chassis, machine tools, simplifies oil distributing pipe road, because Oil distributing pipe directly couples oil pump out of the mouth, can transmit oil pump and go out oil pressure, when cryogenic conditions, the increase of lubricating grease viscosity or equipment profit When sliding point blocks, which can improve oiling efficiency with the high pressure of oil pump to equipment lubrication point oiling；

4, oil extraction block has pressure sensor on the left of the pump housing, and oil pressure persistently increases, when oil pressure reaches pressure sensing After the setting value of device, pressure sensor closure issues closure signal to controller, and plunger body continues oil extraction, and oil pressure persistently increases, After oil pressure reaches the setting value of overflow valve, overflow valve is opened, and extra oil extraction overflow oil returning tube ensure that the safety of oil extraction.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram at another visual angle of the utility model.

Fig. 3 is oil drum schematic diagram of internal structure in the utility model.

Wherein: 1. motors；2. oil drum；3. the pump housing；4. oil drum cap；5. normally closed bi-bit bi-pass screw-in cartridge valve；6. overflow valve； 7. oil extraction block；8. positioning joint；9. delivery connection；10. transition disc；11. camshaft；12. scraper plate；13. damper rod；14. pull rod； 15. filling passage；16. gas port；17. air guide plug.

Specific embodiment

Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments.

As shown in Figure 1-Figure 3, the utility model provides a kind of plunger hydraulic oil pump for lubrication of bull oil extraction simultaneously, packet The pump housing 3, the camshaft 11 in the pump housing 3, oil drum 2 and oil drum cap 4 are included, is equipped with transition disc 10, the oil drum 2 above the pump housing 3 It is fixed on the transition disc 10, above oil outlet, minimum oil level is in the top of oil outlet, subtracts as much as possible for oily cylinder design Few tank bottoms or corner lubricating grease remaining.

Wherein, steady brace 14 is hit exactly above the 2 inside pump housing 3 of the oil drum, the camshaft 11 unrolls the drawing Bar 14 rotates, and rotatable scraper plate 12 is equipped with above the transition disc 10, damper rod 13 is laterally arranged in 12 top of scraper plate, described Pull rod 14 passes through the scraper plate 12 and the damper rod 13 and extends to 2 lid 4 of oil drum.The camshaft 11 drives scraper plate 12 to revolve Turning, the scraper plate 12 generates relative motion with damper rod 13, and it realizes to the stirring at low speed of lubricant grease in oily cylinder, scrape downwards, Air in grease dispersion avoids oily cylinder corner lubricating grease remaining, is rotten, improves the oil suction and oil extraction effect of principal post cock body.

It is equipped with plunger body immediately ahead of the pump housing 3, motor 1 is fixed on the right side of the pump housing 3, the camshaft 11 is equipped with deceleration whirlpool Wheel, the motor 1 drive the deceleration turbine to be rotated in deceleration, the rotation of camshaft 11 described in the deceleration turbine drives, described convex Wheel shaft 11 drives the plunger body to move, and overflow valve 6 is equipped on front side of the pump housing 3, and left side is inserted equipped with normally closed bi-bit bi-pass screw thread Valve 5 is filled, right side is equipped with bull oil extraction block 7, is equipped with oil extraction plunger and reset spring, normally closed bi-bit bi-pass spiral shell in the oil extraction block 7 When line inserted valve 5 is in open-circuit condition, the oil extraction plunger in oil extraction block 7 is resetted by spring force, after there is oil extraction plunger return Cavity, the cavity after the open circuit injection oil extraction plunger return that the arranged lubricating grease of principal post cock body passes through inserted valve 5, for next oil extraction It prepares, after filling the cavity after oil extraction plunger return, extra lubricating grease is returned the arranged lubricating grease of principal post cock body by overflow port Oily cylinder is returned to, positioning joint 8 is connected on the outside of the oil extraction block 7, lower section is equipped with pressure sensor, pacifies on the outside of the positioning joint 8 Fill the delivery connection 9 for fixing oil distributing pipe, delivery connection 9 can fix oil distributing pipe, have screw-fixing type and insert fastly it is fixed, point The other end of oil pipe directly couples with friction pair, oil sites such as vehicle chassis, machine tools, simplifies oil distributing pipe road.

Further, the side of the oil drum cap 4 is equipped with gas port 16, installs air guide plug 17, institute on the gas port 16 It states and elastic sealing gasket is housed between air guide plug 17 and gas port 16, reserve stomata, the rubber seal on the rubber gasket When padding any side not by pressure, reserved stomata is closed using rubber own resilient, oily cylinder inner air and outer air flow is isolated, guarantees cylinder Interior lubricating grease cleaning, when toward oil pump grease up, air pressure increases in oily cylinder, and air pressure overcomes rubber gasket self-sealing to hinder Power discharges additional air outward, and when oil pump oil extraction, gas generates negative pressure in oily cylinder, and external atmosphere pressure overcomes rubber gasket certainly Hermetic resistance supplements air into oily cylinder, is conducive to lubricating pump oil extraction.

Further, it is equipped with oil extraction check valve (not shown) in the plunger body, guarantees the effective oil extraction of principal post cock body.

Further, oil outlet one-way valve (not shown) is installed in the positioning joint 8.

Further, different length is arranged in the positioning joint 8, and the positioning joint 8 of different length can produce difference Oil extraction ram travel, it is possible to provide different oil drain quantities.

Further, filling passage 15 is equipped on front side of the pump housing 3, oiling seat, institute are installed in 15 bottom of filling passage State oiling seat can horizontal direction rotation, filter screen is equipped in the oiling seat.

The structure needs an external cyclelog in systems in practice, the work of controller control motor 1 and stop, Control the closure signal of the work of normally closed bi-bit bi-pass screw-in cartridge valve 5 and the pressure sensor that stops, receives, when work, program Controller driving motor 1 works, and motor 1 is rotated by worm drive deceleration worm gear, and deceleration worm gear drives camshaft 11 to rotate, convex Wheel shaft 11 drives the plunger of principal post cock body to carry out oil extraction movement, and camshaft 11 drives scraper plate 12 to rotate to simultaneously, scraper plate 12 and damping Bar 13 generates relative motion, to the stirring at low speed of lubricant grease in oily cylinder, scrapes downwards, normally closed bi-bit bi-pass screw-in cartridge valve 5 When in open-circuit condition, the oil extraction plunger in oil extraction block 7 is resetted by spring force, the cavity after there is oil extraction plunger return, column Cavity after the open circuit injection oil extraction plunger return that the arranged lubricating grease of cock body passes through normally closed bi-bit bi-pass screw-in cartridge valve 5, under Secondary oil extraction is prepared, cavity of the arranged lubricating grease of plunger body after filling oil extraction plunger return, and extra lubricating grease returns to oily cylinder, Plunger body continues oil extraction, and each oil extraction plunger of arranged lubricating oil injection bull oil extraction block 7 utilizes each oil extraction plunger gram of oil pressure actuated It takes spring force, squeeze lubricating grease, complete outside oil extraction, delivery connection 9 is connected and fixed oil distributing pipe, realizes lubricating pump and vehicle bottom The direct lubrication oiling of the friction pair, oil site such as disk, machine tool.Plunger body continues oil extraction, and oil pressure persistently increases, when oil pressure reaches To after the setting value of pressure sensor, pressure sensor closure issues closure signal to controller；Plunger body continues oil extraction, oil Height of continuing rising is pressed, after oil pressure reaches the setting value of overflow valve 6, overflow valve 6 is opened, extra oil extraction overflow oil returning tube.Controller Control oil pump motor 1 continues working 30-60 seconds, and controller disconnects 1 power supply of Oil pump electrical machinery, and oil pump stops working, and controller carries out Dormant state waits the stop time for terminating to set, and prepares for next task.

One embodiment of the utility model is described in detail above, but the content is only the utility model Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model All the changes and improvements etc., the patent that should still belong to the utility model covers within the scope of 4.

Claims (5)

1. a kind of plunger hydraulic oil pump for lubrication of bull oil extraction simultaneously, including the pump housing, the intracorporal camshaft of pump, round oil drum and Oil drum cap, it is characterised in that: transition disc is equipped with above the pump housing, the oil drum is fixed on the transition disc；

Wherein, steady brace is hit exactly inside the oil drum above the pump housing, the camshaft unrolls the pull rod rotation, described It is equipped with rotatable scraper plate above transition disc, damper rod is laterally set above the scraper plate, the pull rod passes through the scraper plate and institute It states damper rod and extends to the oil drum cap；

Plunger body, fixed motor on the right side of the pump housing are equipped with immediately ahead of the pump housing, the camshaft is equipped with deceleration turbine, the electricity Machine drives the deceleration turbine to be rotated in deceleration, the rotation of camshaft described in the deceleration turbine drives, described in the camshaft actuated Plunger body movement, the pump housing front side are equipped with overflow valve, and left side is equipped with normally closed bi-bit bi-pass screw-in cartridge valve, and right side is equipped with bull Oil extraction block, the oil extraction block is interior to be equipped with oil extraction plunger and reset spring, connects positioning joint on the outside of the oil extraction block, lower section is equipped with The delivery connection for fixing oil distributing pipe is installed in pressure sensor, the positioning joint outside.

2. the plunger hydraulic oil pump for lubrication of bull according to claim 1 oil extraction simultaneously, it is characterised in that: the oil drum The side of lid is equipped with gas port, installs air guide plug on the gas port, elastic packing is housed between the air guide plug and gas port It pads, stomata is reserved on the rubber gasket.

3. the plunger hydraulic oil pump for lubrication of bull according to claim 2 oil extraction simultaneously, it is characterised in that: the plunger It is equipped with oil extraction check valve in vivo.

4. the plunger hydraulic oil pump for lubrication of bull according to claim 1 to 3 oil extraction simultaneously, it is characterised in that: institute It states and oil outlet one-way valve is installed in positioning joint.

5. the plunger hydraulic oil pump for lubrication of bull according to claim 4 oil extraction simultaneously, it is characterised in that: the limit Different length is arranged in connector.