CN213299587U - Lubricant supplying device for single-line centralized lubricating system - Google Patents
Lubricant supplying device for single-line centralized lubricating system Download PDFInfo
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- CN213299587U CN213299587U CN202021980407.2U CN202021980407U CN213299587U CN 213299587 U CN213299587 U CN 213299587U CN 202021980407 U CN202021980407 U CN 202021980407U CN 213299587 U CN213299587 U CN 213299587U
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Abstract
The utility model provides a lubricant supply device for a single-line centralized lubrication system, which comprises a lubricant reservoir, a pump seat, a driving part and a pressure relief device; the driving part comprises a driving motor, and the driving motor is arranged at the bottom of the pump base through a bottom cover; the lubricant oil reservoir is fixedly arranged at the top of the pump base and is communicated with a lubricant oil inlet of the pump base through an oil outlet of the lubricant oil reservoir; an oil pumping mechanism is arranged in the pump base, and the driving part is arranged at the bottom of the pump base and is in transmission connection with the oil pumping mechanism, so that the oil pumping mechanism is driven to pump oil; the pressure relief device is arranged in the pump seat and is positioned at one side of the oil pumping mechanism; the pressure relief device closes the pressure relief opening to perform pressurization or opens the pressure relief opening to perform pressure relief while the oil pumping mechanism pumps oil; the utility model provides a scheme, simple structure, reasonable is applicable to among the current single line centralized lubrication system, improves emollient supply demand, and stability is higher.
Description
Technical Field
The utility model belongs to the technical field of the emollient is supplied with, concretely relates to be used for single line centralized lubrication system emollient feeding device.
Background
At present, a lubricant supply device for a single-line centralized lubrication system adopts an electromagnetic valve to achieve the purposes of pressurization and pressure relief; when the single-line centralized lubricating system is pressurized, the electromagnetic valve closes the pressure relief oil way, and when the pressure is relieved, the electromagnetic valve opens the pressure relief oil way; however, the solenoid valve is required to be resistant to high pressure, suitable for lubricating agents with high viscosity and high consistency, high in cost and low in reliability.
Based on the technical problems existing in the lubricant supply device for the single-line centralized lubrication system, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point that exists among the above-mentioned technique, provide one kind and be used for single line centralized lubrication system emollient feeding device, aim at solving and be used for the present one of the problems of single line centralized lubrication system emollient feeding device with high costs, poor reliability.
The utility model provides a lubricant supply device for a single-line centralized lubrication system, which comprises a lubricant reservoir, a pump seat, a driving part and a pressure relief device; the driving part comprises a driving motor, and the driving motor is arranged at the bottom of the pump base through a bottom cover; the lubricant oil reservoir is fixedly arranged at the top of the pump base and is communicated with a lubricant oil inlet of the pump base through an oil outlet of the lubricant oil reservoir; an oil pumping mechanism is arranged in the pump base, and the driving part is arranged at the bottom of the pump base and is in transmission connection with the oil pumping mechanism, so that the oil pumping mechanism is driven to pump oil; the pressure relief device is arranged in the pump seat and is positioned at one side of the oil pumping mechanism; the pressure relief device closes the pressure relief opening to perform pressurization or opens the pressure relief opening to perform pressure relief while the oil pumping mechanism pumps oil.
Furthermore, the oil pumping mechanism comprises a rotating shaft, a plunger pump assembly and an eccentric wheel, an oil pumping cavity is arranged in the pump seat, and the plunger pump assembly is arranged in the oil pumping cavity; the eccentric wheel is sleeved on the rotating shaft and rotates along with the rotating shaft, so that the plunger pump assembly is driven to pump oil; one end of the rotating shaft is in transmission connection with the driving part; the driving component is used for driving the rotating shaft to rotate.
Furthermore, a shifting fork is arranged on the eccentric wheel, and the pressure relief device comprises a pressure relief valve block, a pressure relief valve plunger, a return spring, a shifting rod, a plunger stop block and a fixed block; the fixed block is arranged on one side of the pressure relief valve block, and the deflector rod is rotatably arranged on the fixed block; one end of the shifting lever extends to one side of the shifting fork and can be shifted by the shifting fork to rotate; the other end of the deflector rod extends towards the plunger stop block and can drive the plunger stop block to move up and down; one end of a plunger piston of the pressure relief valve is fixedly connected with the plunger stop block, and the other end of the plunger piston of the pressure relief valve extends to the pressure relief valve block and can stretch in the pressure relief valve block, so that the pressure relief opening is opened or closed.
Further, a pressure relief oil port E1 is arranged in the pressure relief valve block, and a plunger clearance groove is arranged on the side wall of one end of a plunger of the pressure relief valve; the shifting fork clockwise shifts the shifting lever to rotate, so that the shifting lever drives the plunger stop block to move upwards, and the plunger clearance groove on the plunger of the pressure relief valve is separated from the pressure relief oil port E1 to close the pressure relief port; and the shifting fork shifts the shifting lever to rotate anticlockwise, so that the shifting lever drives the plunger stop block to move downwards, and the plunger clearance groove on the plunger of the pressure relief valve is communicated with the pressure relief oil port E1 to open the pressure relief port.
Further, the plunger pump assemblies comprise a plurality of plunger pump assemblies which are horizontally distributed in the pump oil containing cavity along the radial direction of the eccentric wheel; a thrust ring is arranged on the circumference of the eccentric wheel, and the eccentric wheel drives different plunger pump assemblies to pump oil through the thrust ring in the rotating process; the rotating shaft is connected with the eccentric wheel through a key.
Further, the plunger pump assembly comprises a plunger pump body, a plunger of the plunger pump body and a cone valve; a plunger pump cavity C1 is arranged in the plunger pump body; the lubricant oil inlet A1 is arranged on the outer wall of the plunger pump body and is communicated with the plunger pump cavity C1; a lubricant outlet B1 is formed in one end of the plunger pump cavity C1; the cone valve is telescopically arranged in the plunger pump cavity C1 through a first spring, and can seal the plunger pump cavity C1 or open the plunger pump cavity C1; the plunger pump body plunger is telescopically arranged in the plunger pump cavity C1 through a second spring and can extrude the lubricant in the plunger pump cavity C1 to push the cone valve to open the plunger pump cavity C1.
Further, the lubricant supplying device further comprises a follow-up oil pressing disc and a guide rod; an oil storage cavity is arranged in the lubricant oil reservoir; the guide rod is arranged in the oil storage cavity in the vertical direction, the follow-up oil pressing disc is arranged in the oil storage cavity in a reciprocating mode through a spring and is used for extruding a lubricant in the oil storage cavity to pass through an oil outlet of the oil reservoir and enter a plunger pump cavity C1 of the oil pumping mechanism through a lubricant inlet A1; the spring sleeve is arranged on the guide rod and located in the oil storage cavity, one end of the spring is abutted to the top wall in the oil storage cavity, and one end of the spring is abutted to the servo oil pressing disc.
Further, a pump seat oil way D1 is further arranged in the pump seat, and the pump seat oil way D1 is communicated with a plunger pump cavity C1; the lubricant outlet port B1 extends to the side of the pump mount.
Furthermore, a liquid level sensor is arranged in the guide rod and used for detecting the liquid level of the lubricant; the oil storage cavity is a cylindrical cavity; the servo oil pressing disc and the oil storage cavity are sealed through a double-lip sealing piece; one end of the bottom of the guide rod is also communicated with the oil filling port.
Furthermore, the rotating shaft drives the eccentric wheel to rotate clockwise so as to close the pressure relief opening for pressurization; and/or the rotating shaft drives the eccentric wheel to rotate anticlockwise so that the pressure relief opening is opened for pressure relief.
By adopting the scheme, the problems of complexity, high cost, low reliability and the like of the conventional single-line centralized lubrication pump can be effectively solved; the utility model provides a scheme, simple structure, reasonable is applicable to among the current single line centralized lubrication system, improves emollient supply demand, and stability is higher.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of a lubricant supply device for a single-line centralized lubrication system according to the present invention;
FIG. 2 is a schematic structural view of the pump mount assembly of the present invention;
FIG. 3 is a sectional view of the pump mount assembly of the present invention;
fig. 4 is a schematic structural view of the relief valve block assembly of the present invention;
FIG. 5 is a schematic view of the plunger pump of the present invention;
FIG. 6 is a schematic diagram of the oil circuit of the single line centralized lubrication system of the present invention;
FIG. 7 is a schematic diagram of clockwise rotation of the single-line centralized lubrication system motor of the present invention;
fig. 8 is a clockwise rotation cross-sectional view of the motor of the single-line centralized lubrication system of the present invention (the pressure relief valve plunger pressure relief port is closed);
fig. 9 is a schematic diagram of the counterclockwise rotation of the single-line centralized lubrication system motor of the present invention;
fig. 10 is a cross-sectional view of the single-line centralized lubrication system of the present invention, showing the motor rotating counterclockwise (open state of the pressure relief valve plunger pressure relief port);
FIG. 11 is a schematic diagram showing the state of the clockwise rotation pressure relief assembly for the single-line centralized lubrication system of the present invention;
FIG. 12 is a cross-sectional view of the single line centralized lubrication system with the pressure relief assembly rotating clockwise according to the present invention;
FIG. 13 is a schematic view showing a state of the pressure relief assembly rotating counterclockwise for the single-line centralized lubrication system according to the present invention;
figure 14 is the utility model is used for anticlockwise rotation pressure relief subassembly state cross-sectional view of single line centralized lubrication system.
In the figure: 1. a lubricant reservoir; 2. a spring; 3. a servo oil pressing disc; 4. a guide bar; 5. a pump mount; 6. a motor cover; 7. a bottom cover; 8. a plunger pump assembly; 81. a plunger pump body; 82. a plunger of the plunger pump body; 83. a cone valve; 84. a first spring; 85. a second spring; 9. a pressure relief assembly; 91. a pressure relief valve block; 92. a pressure relief valve plunger; 93. a return spring; 94. a deflector rod; 95. a plunger stop block; 96. a fixed block; 97. a plunger clearance groove; 10. a shifting fork; 11. a drive motor; 12. an eccentric wheel; 13. a thrust ring; 14. a key; 15. a rotating shaft; a1, a lubricant oil inlet; b1, a lubricant oil outlet; c1, plunger pump cavity; d1, a pump base oil way; e1, pressure relief oil port.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 14, the utility model provides a lubricant supply device for a single-line centralized lubrication system, which aims to solve the problems of high cost, poor reliability and the like of the existing lubricant supply device for the single-line centralized lubrication system; specifically, the lubricant supplying device includes a lubricant reservoir 1, a pump mount 5, a driving part, and a pressure relief device 9; the driving part comprises a driving motor 11, and the driving motor 11 is arranged at the bottom of the pump base 5 through the bottom cover 7; the lubricant oil reservoir 1 is fixedly arranged at the top of the pump base 5 and is communicated with a lubricant oil inlet A1 of the pump base 5 through an oil reservoir oil outlet; an oil pumping mechanism is arranged in the pump base 5, and the driving part is arranged at the bottom of the pump base 5 and is in transmission connection with the oil pumping mechanism, so that the oil pumping mechanism is driven to pump oil; pressure relief device 9 sets up in pump seat 5 to be located pump oil mechanism one side, pressure relief device 9 closes the pressure release mouth when pump oil mechanism pump oil and carries out the pressure boost or open the pressure release mouth and carry out the pressure release. The utility model provides a scheme, simple structure, reasonable is applicable to among the current single line centralized lubrication system, improves emollient supply demand.
Preferably, in combination with the above solution, as shown in fig. 1 to 14, the oil pumping mechanism includes a rotating shaft 15, a plunger pump assembly 8, and an eccentric wheel 12; wherein, a pump oil containing cavity is arranged in the pump seat 5, and the plunger pump assembly 8 is arranged in the pump oil containing cavity; the eccentric wheel 12 is sleeved on the rotating shaft 15 and rotates along with the rotating shaft 15, so that the plunger pump assembly 8 is driven to pump oil; one end of the rotating shaft 15 is in transmission connection with the driving part; the driving component is used for driving the rotating shaft 15 to rotate; specifically, the pressure relief assembly drives a shifting fork to rotate a shifting lever through a motor, so that the opening and closing of a pressure relief opening are adjusted; the rotating shaft drives the eccentric wheel to rotate clockwise so as to close the pressure relief opening for pressurization, and the rotating shaft drives the eccentric wheel to rotate anticlockwise so as to open the pressure relief opening for pressure relief.
Preferably, in combination with the above, as shown in fig. 1 to 14, the driving part includes a driving motor 11; a shifting fork 10 is arranged on the eccentric wheel 12; specifically, the pressure relief device 9 includes a pressure relief valve block 91, a pressure relief valve plunger 92, a return spring 93, a shift lever 94, a plunger stopper 95, and a fixed block 96; the fixed block 96 is arranged on one side of the pressure relief valve block 91, and the deflector rod 94 is rotatably arranged on the fixed block 96; one end of the shift lever 94 extends to one side of the shift fork 10 and can be shifted by the shift fork 10 to rotate; the other end of the deflector rod 94 extends towards the plunger stop block 95 and can drive the plunger stop block 95 to move up and down; one end of a pressure relief valve plunger 92 is fixedly connected with a plunger stop block 95, the other end of the pressure relief valve plunger 92 extends into a pressure relief valve block 91 and can stretch out and draw back in the pressure relief valve block 91, so that a pressure relief opening is opened or closed, and pressure relief is realized by controlling the opening and closing of the plunger and a pressure relief valve block hole in the pressure relief process; specifically, the pressure relief assembly 9 drives the shift lever 94 to move through the shift fork 10, so that the driving motor 11 can drive the rotating shaft 15 to rotate, and the rotating shaft 15 drives the eccentric wheel 12 to rotate clockwise, and then drives the plunger stopper 95 (with the plunger 92 of the pressure relief valve) to move upwards in a reverse direction after passing through the shift lever 94, so as to close the pressure relief oil port for pressurization; or the rotating shaft 15 drives the eccentric wheel 12 to rotate anticlockwise, and reversely drives the plunger stop block 95 (with the plunger 92 with the pressure relief valve) to move downwards after passing through the deflector rod, so that the pressure relief oil port is opened for pressure relief; adopt above-mentioned scheme, rotate through driving motor 11 drive pivot 15 to drive pressure release subassembly 9 and carry out pressure boost or pressure release, in order to realize emollient feeding device's oil supply process, thereby improve the stability of single line centralized lubrication system.
By adopting the scheme, the driving motor 11 controls the shifting fork 10 to rotate forwards or reversely, so that the shifting rod 94 shifts the plunger stop block 95 to drive the plunger 92 of the pressure relief valve to reciprocate, the reset spring 93 resets within the non-contact time of the shifting fork 10 and the shifting rod 94, the pressure relief oil port is sealed clockwise, and the pump oil is pressurized; opening the pressure relief oil port anticlockwise, and unloading pressure; further, it should be noted that, during the forward rotation (which can be understood as clockwise), the driving motor 11 only performs pressurization, and only after the reverse rotation, the shifting fork 10 lifts the pressure relief valve plunger 92 to perform pressure reduction; when the lubricating pump reaches the set pressure, the pressurizing process is stopped, the driving motor 11 rotates reversely at the moment and is in the pressure relief process, and the pressure relief time is set by the control module.
Preferably, in combination with the above scheme, as shown in fig. 1 to 14, a pressure relief oil port E1 is provided in the pressure relief valve block 91, and a plunger clearance groove 97 is provided on a side wall of one end of the pressure relief valve plunger 92; the shifting fork 10 shifts the shifting lever 94 clockwise to rotate, so that the shifting lever 94 drives the plunger stop 95 to move upwards, and the plunger clearance groove 97 on the pressure relief valve plunger 92 is separated from the pressure relief oil port E1 to close the pressure relief port; the shift fork 10 rotates the shift lever 94 counterclockwise, so that the shift lever 94 drives the plunger stopper 95 to move downward, thereby communicating the plunger clearance groove 97 of the pressure relief valve plunger 92 with the pressure relief port E1 to open the pressure relief port.
Preferably, in combination with the above solution, as shown in fig. 1 to 14, the plunger pump assembly 8 comprises a plurality of plunger pump assemblies, and the pump oil reservoir comprises a plurality of plunger pump assemblies; the plunger pump assemblies 8 are respectively and horizontally distributed in the pump oil containing cavity along the radial direction of the eccentric wheel 12; a thrust ring 13 is arranged on the circumference of the eccentric wheel 12, and the eccentric wheel 12 drives different plunger pump assemblies 8 to pump oil through the thrust ring 13 in the rotating process; the rotating shaft 15 is connected with the eccentric wheel 12 through a key 14; furthermore, the rear part of the oil pumping cavity is connected with the outside through accessories such as pipelines and the like; by adopting the scheme, the rotating shaft 15 is driven to rotate by the driving motor 11, the rotating shaft 15 drives the eccentric wheel 12 to rotate, and the eccentric wheel 12 drives each plunger pump assembly 8 through the thrust ring 13 to pump oil so as to improve the stability of the oil; specifically, the plunger pump assembly 8 pumps lubricant to an oil path within the pump block 5, which may connect a plurality of plunger pump assemblies 8 pumping lubricant.
Preferably, in combination with the above solution, as shown in fig. 1 to 14, the plunger pump assembly 8 comprises a plunger pump body 81, a plunger pump body plunger 82 and a cone valve 83; a plunger pump cavity C1 is formed in the plunger pump body 81, and the cone valve 83 is arranged in the plunger pump cavity C1 through a spring to form a one-way valve; the lubricant oil inlet A1 is arranged on the outer wall of the plunger pump body 81 and is communicated with the plunger pump cavity C1; a lubricant outlet B1 is formed in one end of the plunger pump cavity C1; the cone valve 83 is telescopically arranged in the plunger pump cavity C1 through a first spring 84, and can seal the plunger pump cavity C1 or open the plunger pump cavity C1; plunger pump body plunger 82 is telescopically disposed in plunger pump cavity C1 via second spring 85, and is capable of pressing lubricant in plunger pump cavity C1 to push cone valve 83 to open plunger pump cavity C1.
Preferably, in combination with the above, as shown in fig. 1 to 14, the lubricant supplying device further includes a follower oil pan 3 and a guide bar 4; an oil storage cavity is arranged in the lubricant oil reservoir 1; the guide rod 4 is arranged in the oil storage cavity along the vertical direction through the guide rod 4, and can be arranged in the oil storage cavity along with the dynamic oil pressing disc 3 in a reciprocating mode through the spring 2, so that the lubricant supply device can be inverted; the servo oil pressing disc 3 is used for extruding the lubricant in the oil storage cavity, the lubricant passes through an oil outlet of the oil reservoir and enters a plunger pump cavity C1 of the oil pumping mechanism through a lubricant inlet A1; the spring 2 is sleeved on the guide rod 4 and is positioned in the oil storage cavity, one end of the spring 2 is abutted against the top wall in the oil storage cavity, and one end of the spring 2 is abutted against the servo oil pressing disc 3; specifically, the guide rod 4 is arranged at the center of the oil storage cavity along the vertical direction; the center of the following oil pressing disc 3 penetrates through the guide rod 4 and can move in an oil storage cavity in a reciprocating mode; the spring 2 is sleeved on the guide rod 4 and is positioned on the other side of the lubricant compressed by the dynamic pressure oil disc 3; by adopting the scheme, the rotating shaft 15 is driven to rotate by the driving motor 11, and the rotating shaft 15 drives the plunger pump assembly 8 to pump oil; the lubricant supply has one or more plunger pump assemblies for pumping lubricant and a pressure relief valve assembly; after the single-line lubricating system finishes oil pumping circulation, the motor reversely rotates to open the pressure release valve and unload the pressure in the system, so that the lubricant supply device of the single-line centralized lubricating system pumps oil more simply and reliably, and the cost is reduced.
Preferably, with the above scheme, as shown in fig. 1 to 14, a pump seat oil path D1 is further provided in the pump seat 5, and the pump seat oil path D1 is communicated with the plunger pump cavity C1; the lubricant outlet port B1 extends to the side of the pump mount 5.
Preferably, in combination with the above solution, as shown in fig. 1 to 14, a liquid level sensor is arranged in the guide rod 4, and the liquid level sensor is used for detecting the lubricant level and sensing the position of the servo oil pressing disc 3; and timely alarming is carried out when the liquid level is low and the liquid level is high; further, the oil storage cavity is a cylindrical cavity; the servo oil pressing disc 3 and the oil storage cavity are sealed through a double-lip sealing piece; one end of the bottom of the guide rod 4 is also communicated with an oil filling port.
Preferably, in combination with the above solution, as shown in fig. 1 to 14, the driving part includes a driving motor 11, and the driving motor 11 is disposed at the bottom of the pump base 5 through the bottom cover 7; the rotating shaft 15 drives the eccentric wheel 12 to rotate clockwise so as to close the pressure relief opening for pressurization; and/or the rotating shaft 15 drives the eccentric wheel 12 to rotate anticlockwise, so that the pressure relief opening is opened to relieve pressure.
The utility model provides a be used for single line centralized lubrication system emollient feeding device theory of operation and process specifically do:
the driving motor 11 runs clockwise to drive the eccentric wheel 12 and the thrust ring 13 to run, the thrust ring 13 pushes the plunger 82 of the plunger pump body to reciprocate, and the lubricant is sucked into a cavity of the plunger pump from a lubricant inlet A1, pumped to an oil path in the pump base and pumped out from a lubricant outlet B1; when the driving motor 11 rotates clockwise, the shifting fork 10 drives the plunger stopper 95 to move upwards through the shifting rod 94, and the pressure relief oil port is closed, so that the pressurization of the lubricating system is realized; when the driving motor 11 runs anticlockwise, the shifting fork 10 runs reversely through the shifting rod 94, the plunger stop block 95 which moves upwards moves downwards, and the pressure relief oil port is released, so that the pressure lubricant flows back into the lubricant storage device, and the purpose of pressure relief of the lubricating system is achieved.
By adopting the scheme, the problems of complexity, high cost, low reliability and the like of the conventional single-line centralized lubrication pump can be effectively solved; the utility model provides a scheme, simple structure, reasonable is applicable to among the current single line centralized lubrication system, improves emollient supply demand, and stability is higher.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (10)
1. A lubricant feeding device for a single line centralized lubrication system, characterized in that the lubricant feeding device comprises a lubricant reservoir (1), a pump base (5), a driving part and a pressure relief device (9); the driving part comprises a driving motor (11), and the driving motor (11) is arranged at the bottom of the pump base (5) through a bottom cover (7); the lubricant oil reservoir (1) is fixedly arranged at the top of the pump base (5) and is communicated with a lubricant oil inlet (A1) of the pump base (5) through an oil outlet of the lubricant oil reservoir; an oil pumping mechanism is arranged in the pump base (5), and the driving part is arranged at the bottom of the pump base (5) and is in transmission connection with the oil pumping mechanism, so that the oil pumping mechanism is driven to pump oil; the pressure relief device (9) is arranged in the pump seat and is positioned on one side of the oil pumping mechanism; and the pressure relief device (9) closes the pressure relief opening to perform pressurization or opens the pressure relief opening to perform pressure relief when the oil pumping mechanism pumps oil.
2. The lubricant supply device for the single-line centralized lubricating system according to claim 1, wherein the oil pumping mechanism comprises a rotating shaft (15), a plunger pump assembly (8) and an eccentric wheel (12), a pump oil cavity is arranged in the pump base (5), and the plunger pump assembly (8) is arranged in the pump oil cavity; the eccentric wheel (12) is sleeved on the rotating shaft (15) and rotates along with the rotating shaft (15), so that the plunger pump assembly (8) is driven to pump oil; one end of the rotating shaft (15) is in transmission connection with the driving part; the driving component is used for driving the rotating shaft (15) to rotate.
3. The lubricant supplying device for the single-line centralized lubricating system according to claim 2, wherein a shifting fork (10) is arranged on the eccentric wheel (12), and the pressure relief device (9) comprises a pressure relief valve block (91), a pressure relief valve plunger (92), a return spring (93), a shifting rod (94), a plunger stop block (95) and a fixed block (96); the fixed block (96) is arranged on one side of the pressure relief valve block (91), and the deflector rod (94) is rotatably arranged on the fixed block (96); one end of the shifting lever (94) extends towards one side of the shifting fork (10) and can be shifted by the shifting fork (10) to rotate; the other end of the deflector rod (94) extends towards the plunger stop block (95) and can drive the plunger stop block (95) to move up and down; pressure relief valve plunger (92) one end with plunger dog (95) fixed connection, pressure relief valve plunger (92) other end extend to pressure relief valve piece (91), and can stretch out and draw back in pressure relief valve piece (91) to open the pressure release mouth or close the pressure release mouth.
4. The lubricant supply device for the single-line centralized lubricating system according to claim 3, wherein a pressure relief oil port (E1) is arranged in the pressure relief valve block (91), and a plunger clearance groove (97) is arranged on the side wall of one end of the pressure relief valve plunger (92); the shifting fork (10) shifts the shifting lever (94) clockwise to rotate, so that the shifting lever (94) drives the plunger stop block (95) to move upwards, and a plunger clearance groove (97) on the pressure relief valve plunger (92) is separated from the pressure relief oil port (E1) to close the pressure relief port; the shifting fork (10) shifts the shifting lever (94) anticlockwise to rotate, so that the shifting lever (94) drives the plunger stop block (95) to move downwards, and the plunger clearance groove (97) in the pressure relief valve plunger (92) is communicated with the pressure relief oil port (E1) to open the pressure relief port.
5. The lubricant feeding device for the single-line centralized lubrication system as recited in claim 2, wherein said plunger pump assembly (8) comprises a plurality of said plunger pump assemblies (8) horizontally distributed in said pump oil cavity in a radial direction of said eccentric (12); a thrust ring (13) is arranged in the axial direction of the eccentric wheel (12), and the eccentric wheel (12) drives different plunger pump assemblies (8) to pump oil through the thrust ring (13) in the rotating process; the rotating shaft (15) is connected with the eccentric wheel (12) through a key (14).
6. The lubricant feeding device for single line centralized lubrication system according to claim 2, wherein the plunger pump assembly (8) comprises a plunger pump body (81), a plunger pump body plunger (82) and a cone valve (83); a plunger pump cavity (C1) is arranged in the plunger pump body (81); the lubricant oil inlet (A1) is arranged on the outer wall of the plunger pump body (81) and is communicated with the plunger pump cavity (C1); a lubricant outlet (B1) is formed in one end of the plunger pump cavity (C1); the cone valve (83) is telescopically arranged in the plunger pump cavity (C1) through a first spring (84), and can seal the plunger pump cavity (C1) or open the plunger pump cavity (C1); the plunger pump body plunger (82) is telescopically arranged in the plunger pump cavity (C1) through a second spring (85), and can extrude lubricant in the plunger pump cavity (C1) to push the cone valve (83) to open the plunger pump cavity (C1).
7. The lubricant supplying device for the single line centralized lubrication system according to claim 1, further comprising a follow-up oil pan (3) and a guide bar (4); an oil storage cavity is arranged in the lubricant oil reservoir (1); the guide rod (4) is arranged in the oil storage cavity along the vertical direction, the follow-up oil pressing disc (3) can be arranged in the oil storage cavity in a reciprocating mode through a spring (2), and the follow-up oil pressing disc (3) is used for extruding a lubricant in the oil storage cavity, enabling the lubricant to pass through an oil outlet of an oil reservoir and enter a plunger pump cavity (C1) of the oil pumping mechanism through a lubricant oil inlet (A1); the spring (2) is sleeved on the guide rod (4) and located in the oil storage cavity, one end of the spring (2) is abutted to the top wall in the oil storage cavity, and one end of the spring (2) is abutted to the servo oil pressing disc (3).
8. The lubricant supply device for the single-line centralized lubricating system according to claim 6, wherein a pump seat oil path (D1) is further arranged in the pump seat (5), and the pump seat oil path (D1) is communicated with the plunger pump cavity (C1); the lubricant outlet (B1) extends to the side of the pump base (5).
9. The lubricant feeding device for the single line centralized lubrication system according to claim 7, wherein a liquid level sensor is arranged in the guide rod (4), and the liquid level sensor is used for detecting the lubricant liquid level; the oil storage cavity is a cylindrical cavity; the follow-up oil pressing disc (3) and the oil storage cavity are sealed through a double-lip sealing piece; one end of the bottom of the guide rod (4) is also communicated with an oil filling port.
10. The lubricant feeding device for the single line centralized lubrication system according to claim 2, wherein the rotating shaft (15) pressurizes by closing the relief port by rotating the eccentric wheel (12) clockwise; and/or the rotating shaft (15) drives the eccentric wheel (12) to rotate anticlockwise so that the pressure relief opening is opened for pressure relief.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980407.2U CN213299587U (en) | 2020-09-11 | 2020-09-11 | Lubricant supplying device for single-line centralized lubricating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980407.2U CN213299587U (en) | 2020-09-11 | 2020-09-11 | Lubricant supplying device for single-line centralized lubricating system |
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| CN213299587U true CN213299587U (en) | 2021-05-28 |
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| CN202021980407.2U Active CN213299587U (en) | 2020-09-11 | 2020-09-11 | Lubricant supplying device for single-line centralized lubricating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696603A (en) * | 2020-09-11 | 2021-04-23 | 青岛盘古润滑技术有限公司 | Lubricant supplying device for single-line centralized lubricating system |
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2020
- 2020-09-11 CN CN202021980407.2U patent/CN213299587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696603A (en) * | 2020-09-11 | 2021-04-23 | 青岛盘古润滑技术有限公司 | Lubricant supplying device for single-line centralized lubricating system |
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