CN217559096U - Oil pump outlet check valve replacement assembly - Google Patents
Oil pump outlet check valve replacement assembly Download PDFInfo
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- CN217559096U CN217559096U CN202122788160.5U CN202122788160U CN217559096U CN 217559096 U CN217559096 U CN 217559096U CN 202122788160 U CN202122788160 U CN 202122788160U CN 217559096 U CN217559096 U CN 217559096U
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- check valve
- valve
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Abstract
The utility model discloses an oil pump export check valve replacement subassembly relates to lubricated or oil pressure driving system technical field, the oil tank comprises an oil tank, the oil tank front side is connected with two oil transportation branch pipes about, two the oil pump that is located the oil tank is all installed to oil transportation branch pipe inner, and two be connected with the oil transportation house steward between the oil transportation branch pipe, be provided with the check valve on the oil transportation branch pipe, be provided with the valve body two that is located the check valve front side on the oil transportation branch pipe, two oil transportation branch pipe intersection is provided with the valve body one of installing on the oil transportation house steward. The scheme of the utility model is that the needle valve (other valves can be selected according to different pipe diameters) is arranged in the oil supply system, and the characteristics of reliable and quick opening and closing of the valve are utilized, so that the problems of oil system pressure loss and no means for quick oil pressure recovery when the oil pump and the check valve are in failure simultaneously are solved; the problem of can't carry out online maintenance and change after the check valve trouble is solved.
Description
Technical Field
The utility model relates to a lubricated or oil pressure driving system technical field especially relates to an oil pump export check valve changes subassembly.
Background
In many systems requiring thin oil lubrication or oil pressure power, two oil pumps are installed, one for work and one for standby, which can be converted into each other for standby. Under normal operating condition, the working oil pump runs, the oil pressure drops when a fault occurs, the standby oil pump automatically starts to work, and continuous oil supply to the host is ensured. A check valve has respectively been installed to two oil pump's export, and two pump switching and one use when backing up, can guarantee that the pressure oil of operation oil pump can not follow another backing oil pump earial drainage, in the actual work at scene, because impurity in the thin oil, often lead to the check valve to become invalid, can take place two kinds of dangerous situations: 1. when the running oil pump breaks down, the other standby oil pump is started emergently, at the moment, the thin oil flows back to the oil tank from the failure check valve through the failed oil pump, and the oil system loses pressure and is forced to stop the running of the main machine; 2. when the reverse pump is used for carrying out regular alternate work of equipment, the fault of the check valve occurs, thin oil flows back to the oil tank, the oil pressure is reduced, the oil supply of the two oil pumps can be started only at the same time, the one-use one-standby safety function is lost, if the fault check valve needs to be replaced, the operation of an oil system and the operation of a main machine need to be stopped, and the root cause that the check valve cannot be replaced on line is that no partition device exists between the two oil pumps. Therefore, the utility model provides an oil pump export check valve replacement subassembly to solve the problem mentioned in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an oil pump outlet check valve replacement assembly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil pump export check valve changes subassembly, includes the oil tank, the oil tank front side is connected with two oil transportation branch pipes about, two the oil transportation branch pipe inner all installs the oil pump that is located the oil tank, and two be connected with the oil transportation house steward between the oil transportation branch pipe, be provided with the check valve on the oil transportation branch pipe, be provided with the valve body two that is located the check valve front side on the oil transportation branch pipe, two oil transportation branch pipe intersection is provided with the valve body one of installing on the oil transportation house steward, both sides valve body two and middle valve body one upside fixed mounting have protecting sheathing, the protecting sheathing upside is provided with the commentaries on classics board.
Preferably, a second valve block is arranged in the first valve body and fixedly connected with one end of the upper rotating plate.
Preferably, a rotating rod is connected between the rotating plate and the second valve block, a non-complete gear located in the protective shell is fixedly installed on the periphery of the rotating rod, and straight gears meshed with the non-complete gear are arranged on the left side and the right side of the non-complete gear.
Preferably, a first valve block is arranged in the second valve body, and a rotating rod penetrating through the protective shell is fixedly connected to the upper side of the first valve block.
Preferably, transmission wheels are fixedly mounted on the upper end of the straight gear and on the periphery of a rotating rod connected with the first valve blocks on the two sides, and transmission belts are sleeved on the periphery of the two transmission wheels on the same side.
Preferably, the tail end of the rotating plate is provided with a polygonal column which can slide up and down, the upper end of the upper side of the valve block, which is connected with the rotating rod, is fixed with a rotating column which is positioned on the surface of the protective shell, and a groove corresponding to the polygonal column is formed in the rotating column.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the scheme of the utility model is that the needle valve (other valves can be selected according to different pipe diameters) is arranged in the oil supply system, and the characteristics of reliable and quick opening and closing of the valve are utilized, so that the problems of oil system pressure loss and no means for quick oil pressure recovery when the oil pump and the check valve are in failure simultaneously are solved; the problem that the check valve cannot be maintained and replaced on line after failure is solved;
2. by arranging the first valve body, the second valve body and the connecting structure between the two valve bodies, when the tail end of the rotating plate is rotated to the second valve body on the oil delivery branch pipe on the fault side, the valve block II connected in the first valve body just closes the oil delivery branch pipe on the fault side to plug the first level, and simultaneously, the first valve block rotates along with the first valve block to just seal the inside of the oil delivery branch pipe on the fault side;
3. the utility model discloses to change on the board terminal polygon post insert correspond the commentaries on classics recess in the post in, change the board and lock completely this moment, the valve block in the oil delivery branch pipe of trouble side is still movable no longer, gives last lock on the seal assembly, even the check valve also breaks down, also can stop the possibility that trouble collateral branch pipe flows against the current.
Drawings
Fig. 1 is a schematic structural view of a replacement assembly of an oil pump outlet check valve provided by the present invention;
fig. 2 is a schematic view of an internal connection structure of a protection housing in an oil pump outlet check valve replacement assembly according to the present invention;
fig. 3 is a schematic view of the internal structure of an oil delivery branch pipe and an oil delivery main pipe in the replacement assembly of the check valve at the outlet of the oil pump provided by the utility model;
fig. 4 is the utility model provides a connection structure schematic diagram of subassembly transfer board is changed to oil pump export check valve.
In the figure: 1. an oil tank; 2. an oil delivery branch pipe; 3. a main oil transportation pipe; 4. a first valve body; 5. a second valve body; 6. rotating the plate; 7. turning the column; 8. a non-full gear; 9. a spur gear; 10. a transmission belt; 11. a driving wheel; 12. a protective housing; 13. a first valve block; 14. a second valve block; 15. a check valve; 16. a polygonal column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an oil pump outlet check valve replacing assembly comprises an oil tank 1, a left oil delivery branch pipe 2 and a right oil delivery branch pipe 2 are connected to the front side of the oil tank 1, oil pumps located in the oil tank 1 are installed at the inner ends of the two oil delivery branch pipes 2, an oil delivery main pipe 3 is connected between the two oil delivery branch pipes 2, a check valve 15 is arranged on each oil delivery branch pipe 2, a second valve body 5 located on the front side of the check valve 15 is arranged on each oil delivery branch pipe 2, a first valve body 4 installed on the oil delivery main pipe 3 is arranged at the intersection of the two oil delivery branch pipes 2, a protective shell 12 is fixedly installed on the upper sides of the second valve bodies 5 and the first middle valve body 4, a rotating plate 6 is arranged on the upper side of the protective shell 12, when the oil pump outlet check valve replacing assembly is used, when an oil pump connected with the oil delivery branch pipe 2 on one side fails, an oil pump connected with the other side oil delivery branch pipe 2 needs to work, meanwhile, the oil pump connected with the other side oil delivery branch pipe 2 is maintained, and the oil delivery branch pipe 2 connected with the other side is repaired, in order to prevent the failed side oil delivery branch pipe 2 from flowing backwards, further damage is caused, the oil pump outlet check valve replacing assembly plays an important role when the oil delivery branch pipe 2 is in failure, and the failure maintenance and the oil delivery branch pipe connection is connected with the oil delivery branch pipe connection;
further, a second valve block 14 is arranged in the first valve body 4, the second valve block 14 is fixedly connected with one end of the upper rotating plate 6, a rotating rod is connected between the rotating plate 6 and the second valve block 14, a non-complete gear 8 positioned in the protective shell 12 is fixedly installed on the peripheral side of the rotating rod, straight gears 9 meshed with the non-complete gear 8 are arranged on the left side and the right side of the non-complete gear 8, a polygonal column 16 on the tail end of the rotating plate 6 is taken out of a corresponding groove in the rotating column 7, the rotating plate 6 on the first valve body 4 is rotated, the second valve block 14 connected with the rotating plate 6 in the first valve body 4 rotates along with the rotating, when the tail end of the rotating plate 6 is rotated to the second valve body 5 on the oil conveying branch pipe 2 on the fault side, the second valve block 14 connected in the first valve body 4 just plugs the oil conveying branch pipe 2 on the fault side, the first level plugging is started, and the oil conveying branch pipe 2 on the other side is opened;
furthermore, a first valve block 13 is arranged in the second valve body 5, a rotating rod penetrating through a protective shell 12 is fixedly connected to the upper side of the first valve block 13, transmission wheels 11 are fixedly arranged on the periphery of the rotating rod connected with the first valve blocks 13 on the two sides of the straight gear 9, a transmission belt 10 is sleeved on the periphery of the two transmission wheels 11 on the same side, when the rotating plate 6 rotates towards the branch pipe on the fault side, a non-complete gear 8 connected with the rotating plate 6 is in meshing transmission with the straight gear 9 on one side, so that the two transmission wheels 11 and the transmission belt 10 on the oil delivery branch pipe 2 on the fault side move, the first valve block 13 connected in the second valve body 5 on the fault side rotates along with the rotating direction, the inner part of the oil delivery branch pipe 2 on the fault side is just sealed, a second layer of sealing effect is achieved, and the possibility of backflow of the oil pipe on the fault side is avoided;
furthermore, a polygonal column 16 which slides up and down is arranged at the tail end of the rotating plate 6, a rotating column 7 which is positioned on the surface of the protective shell 12 is fixed at the upper end of a rotating rod which is connected to the upper side of the valve block I13, a groove which corresponds to the polygonal column 16 is formed in the rotating column 7, when the rotating plate 6 rotates towards the fault side oil delivery branch pipe 2, through conduction of an incomplete gear 8, a straight gear 9, a driving wheel 11 and a driving belt 10, a valve body II 5 on the normal side oil delivery branch pipe 2 rotates to be opened, and then the normal side oil delivery branch pipe 2 is started synchronously, when the rotating plate 6 rotates to the fault side oil delivery branch pipe 2, the polygonal column 16 at the tail end of the rotating plate 6 is inserted into the groove in the corresponding rotating column 7, at the moment, the rotating plate 6 is completely locked, the valve block I13 in the fault side oil delivery branch pipe 2 does not move any more, and the last lock is provided for the sealing assembly.
The utility model discloses specific theory of operation as follows:
when the oil pump outlet check valve is used for replacing components, when an oil pump connected with the oil delivery branch pipe 2 on one side has a fault, the oil pump connected with the oil delivery branch pipe 2 on the other side needs to be started to work, and meanwhile, the oil pump connected with the oil delivery branch pipe 2 on the other side is overhauled;
in the process, in order to prevent the oil delivery branch pipe 2 at the fault side from generating reverse flow and causing further damage to equipment, the replacement assembly of the check valve at the outlet of the oil pump plays an important role in fault, and is used for fault maintenance and conversion connection of the oil delivery branch pipe 2;
taking out the polygonal column 16 at the tail end of the rotating plate 6 from the corresponding groove in the rotating column 7, rotating the rotating plate 6 on the valve body I4, and rotating the valve block II 14 connected with the rotating plate 6 in the valve body I4, wherein when the tail end of the rotating plate 6 is rotated to the valve body II 5 on the oil conveying branch pipe 2 at the fault side, the valve block II 14 connected in the valve body I4 just plugs and closes the oil conveying branch pipe 2 at the fault side to plug the first layer, and simultaneously the oil conveying branch pipe 2 at the other side is opened;
when the rotating plate 6 rotates towards the branch pipe at the fault side, in the protective shell 12, the incomplete gear 8 connected with the rotating plate 6 is in meshing transmission with the straight gear 9 at one side, so that two transmission wheels 11 and a transmission belt 10 on the oil delivery branch pipe 2 at the fault side move, and a valve block I13 connected in a valve body II 5 at the fault side rotates along with the rotation, so that the inner part of the oil delivery branch pipe 2 at the fault side is just sealed, a second layer of sealing effect is achieved, and the possibility of backflow of an oil pipe at the fault side is avoided;
when the rotating plate 6 rotates towards the fault side oil delivery branch pipe 2, through the conduction of the incomplete gear 8, the straight gear 9, the transmission wheel 11 and the transmission belt 10, the valve body two 5 on the normal side oil delivery branch pipe 2 rotates to be opened, and then the normal side oil delivery branch pipe 2 is started synchronously, when the rotating plate 6 rotates to the fault side oil delivery branch pipe 2, the polygonal column 16 at the upper end of the rotating plate 6 is inserted into the groove in the corresponding rotating column 7, at the moment, the rotating plate 6 is completely locked, the valve block one 13 in the fault side oil delivery branch pipe 2 does not move any more, the last lock is provided for the sealing assembly, even if the check valve 15 also breaks down, the possibility of backflow of the fault side branch pipe can be avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an oil pump export check valve changes subassembly, includes oil tank (1), its characterized in that, oil tank (1) front side is connected with two oil transportation branch pipe (2) about, two the oil pump that is located oil tank (1) is all installed to oil transportation branch pipe (2) inner, and two be connected with oil transportation house steward (3) between oil transportation branch pipe (2), be provided with check valve (15) on oil transportation branch pipe (2), be provided with two (5) of valve body that are located check valve (15) front side on oil transportation branch pipe (2), two oil transportation branch pipe (2) intersection is provided with valve body (4) of installing on oil transportation house steward (3), both sides two (5) of valve body and middle valve body (4) upside fixed mounting have protecting sheathing (12), protecting sheathing (12) upside is provided with commentaries on classics board (6).
2. The replacement assembly of the oil pump outlet check valve as claimed in claim 1, wherein a second valve block (14) is arranged in the first valve body (4), and the second valve block (14) is fixedly connected with one end of the upper rotating plate (6).
3. The replacement assembly of the oil pump outlet check valve is characterized in that a rotating rod is connected between the rotating plate (6) and the second valve block (14), a non-complete gear (8) located in a protective shell (12) is fixedly installed on the periphery of the rotating rod, and straight gears (9) meshed with the non-complete gear (8) are arranged on the left side and the right side of the non-complete gear.
4. The replacement assembly of the oil pump outlet check valve as claimed in claim 1, wherein a first valve block (13) is arranged in the second valve body (5), and a rotating rod penetrating through the protective casing (12) is fixedly connected to the upper side of the first valve block (13).
5. The oil pump outlet check valve replacing assembly as claimed in claim 3, wherein a driving wheel (11) is fixedly mounted on the upper end of the straight gear (9) around the rotating rod connected with the first valve blocks (13) on both sides, and a driving belt (10) is sleeved on the two driving wheels (11) on the same side around.
6. The replacement assembly of the oil pump outlet check valve is characterized in that a polygonal column (16) which slides up and down is arranged at the tail end of the rotating plate (6), a rotating column (7) which is positioned on the surface of the protective shell (12) is fixed at the upper end of a rotating rod which is connected to the upper side of the first valve block (13), and a groove corresponding to the polygonal column (16) is formed in the rotating column (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122788160.5U CN217559096U (en) | 2021-11-15 | 2021-11-15 | Oil pump outlet check valve replacement assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122788160.5U CN217559096U (en) | 2021-11-15 | 2021-11-15 | Oil pump outlet check valve replacement assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559096U true CN217559096U (en) | 2022-10-11 |
Family
ID=83466276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122788160.5U Active CN217559096U (en) | 2021-11-15 | 2021-11-15 | Oil pump outlet check valve replacement assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559096U (en) |
-
2021
- 2021-11-15 CN CN202122788160.5U patent/CN217559096U/en active Active
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