CN211777982U - Oil pump for emergency and safe oil supply for expander - Google Patents
Oil pump for emergency and safe oil supply for expander Download PDFInfo
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- CN211777982U CN211777982U CN202020245961.XU CN202020245961U CN211777982U CN 211777982 U CN211777982 U CN 211777982U CN 202020245961 U CN202020245961 U CN 202020245961U CN 211777982 U CN211777982 U CN 211777982U
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Abstract
The utility model discloses an oil pump of urgent safe fuel feeding for expander, including mount pad and shock attenuation board, first bolt is installed to the all threads of four corners of mount pad, the right side fixed mounting on shock attenuation board top has the second installation piece, the left side on shock attenuation board top is placed and is installed the pump body, the top and the all fixed mounting in left side of the pump body have second flange, the right side fixed mounting of the pump body has the second connecting pipe, the slot has been seted up on the top of second installation piece, the inside insert of slot installs the inserted block, the top fixed mounting of inserted block has the generator. The utility model discloses a be provided with damping spring and shock attenuation board, can alleviate rocking that produces when the device moves, when the pump body rocks with the generator, can be through the damping spring who extrudes both sides to can reach the absorbing effect, make the pump body and generator can normally effectually work, also improve work efficiency.
Description
Technical Field
The utility model relates to an expander technical field specifically is an oil pump of urgent safe fuel feeding for expander.
Background
The main principle of the turbo expander is that gas with certain pressure is utilized to perform adiabatic expansion in the turbo expander to do work externally to consume internal energy of the gas, so that the gas is cooled strongly to achieve the purpose of refrigeration.
The rotor is the most important part of the expander, and is directly related to the refrigerating effect, the operation stability, the reliability and the service life of the expander. The rotor is supported by bearings, which are important parts in order to allow the rotor to operate stably and reliably for a long period of time. The bearing of the expander mostly adopts a dynamic pressure oil bearing, and is a non-contact liquid lubricating oil bearing, which maintains the gap between a shaft and the bearing by means of lubricating oil, so that the bearing is not abraded due to the contact with the shaft, and simultaneously, the bearing is cooled, and heat generated by friction between a main shaft and the lubricating oil during high-speed rotation is taken away, so that the supply of a certain amount of clean lubricating oil to the bearing is also an important work for ensuring the normal work of the bearing.
When the oil pump in the existing expander breaks down, the problem of hidden danger that parts such as a bearing and a bearing bush are burnt due to insufficient instant oil supply is easily caused, and meanwhile, the expander can cause the oil pump to shake in the operation process, so that the normal work of the oil pump is influenced, the working efficiency is reduced, when the oil pump is damaged, the oil pump is mostly directly replaced, the cost of the device is improved, and therefore, the problem is solved by designing the oil pump for emergency and safe oil supply for the expander.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expander is with oil pump of urgent safe fuel feeding to solve the problem of providing in the above-mentioned background art when breaking down, lead to the not enough hidden danger problem that leads to parts such as bearing, axle bush to burn out in the twinkling of an eye the fuel feeding easily, the expander is at the in-process of operation simultaneously, can lead to the oil pump to take place to rock, thereby influence the normal work of oil pump, the work efficiency is reduced, when the oil pump appears damaging, most all be the direct change oil pump, the problem of the cost of device has been promoted like this.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil pump of urgent safe fuel feeding for expander, includes mount pad and shock attenuation board, first bolt is installed to the all threads of four corners of mount pad, the right side fixed mounting on shock attenuation board top has the second installation piece, the left side on shock attenuation board top is placed and is installed the pump body, the top and the all fixed mounting in left side of the pump body have the second flange, the right side fixed mounting of the pump body has the second connecting pipe, the slot has been seted up on the top of second installation piece, the inside of slot inserts and installs the inserted block, the top fixed mounting of inserted block has the generator, the right side fixed mounting of generator has first connecting pipe, the first flange of one side fixedly connected with that first connecting pipe and second connecting pipe are close to each other.
Preferably, both sides of the top end of the mounting seat are fixedly provided with damping springs, and the top ends of the damping springs are fixedly connected with damping plates.
Preferably, both sides on mount pad top and the both sides of shock attenuation board bottom all fixed mounting have the connecting block, two one side that the connecting block is close to each other all fixed mounting have the rubber snubber block.
Preferably, the both ends of the pump body are all fixed mounting has first installation piece, the both sides of first installation piece are all threaded mounting has the second bolt, and the bottom of second bolt all runs through first installation piece and extends to the shock attenuation inboard portion.
Preferably, the cavity has all been seted up to the both sides of inserted block, the inside all fixed mounting of cavity has reset spring, two one side that reset spring kept away from each other all fixed mounting has spacing post, spacing hole has all been seted up to the both sides of slot, spacing hole and spacing post are mutually supported.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through being provided with damping spring and shock attenuation board, can alleviate rocking that produces when the device moves, when the pump body and generator rock, can be through the damping spring who extrudees both sides to can reach absorbing effect, make the pump body and generator can normally effectually work, also improve work efficiency, through being provided with connecting block and rubber snubber block, can further alleviate rocking that the device produced, thereby make the pump body and generator not receive the influence of vibrations more, further improved the efficiency of work.
2. Through being provided with first installation piece and second bolt, can be when the pump body damages, can be through taking off the second bolt, thereby change the pump body, made things convenient for the dismantlement and the installation of staff to the pump body, through being provided with the cavity, reset spring, spacing post and spacing hole, mutually support through spacing post and spacing hole, can be with firm the fixing on the second installation piece of generator, the fastness of structure has been increased, also can make things convenient for the staff to dismantle and change the generator simultaneously, also make the pump body and generator when damaging alone, need not change whole device, the cost of device has been saved.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic front view of the connection structure of the mounting seat and the damping plate of the present invention;
fig. 4 is an enlarged front sectional view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a mounting seat; 2. a first bolt; 3. a damper plate; 4. connecting blocks; 5. a rubber damper block; 6. a damping spring; 7. a pump body; 8. a generator; 9. a first connecting pipe; 10. a first connecting flange; 11. a second connecting pipe; 12. a first mounting block; 13. a second bolt; 14. a second connecting flange; 15. inserting a block; 16. a slot; 17. a second mounting block; 18. a cavity; 19. a return spring; 20. a limiting column; 21. and a limiting hole.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment:
the utility model provides an oil pump of urgent safe fuel feeding for expander, including mount pad 1 and damper plate 3, first bolt 2 is installed to the all threads of four corners of mount pad 1, the right side fixed mounting on damper plate 3 top has second installation piece 17, the left side on damper plate 3 top is placed and is installed pump body 7, the top and the all fixed mounting in left side of pump body 7 have second flange 14, the right side fixed mounting of pump body 7 has second connecting pipe 11, slot 16 has been seted up on the top of second installation piece 17, slot 16's inside inserts and installs inserted block 15, the top fixed mounting of inserted block 15 has generator 8, generator 8's right side fixed mounting has first connecting pipe 9, first connecting pipe 9 and the first connecting flange 10 of one side fixedly connected with that second connecting pipe 11 are close to each other. The 07 is provided with an emergency oil supply system, when the oil supply system normally operates, due to the oil supply pressure of an oil pump and a parallel passage of the oil pump, a pressure oil tank and a cooler, a part of lubricating oil is sent to each lubricating point through the cooler and a filter, and the other part of lubricating oil is sent into the pressure oil tank and compresses nitrogen, so that the volume of the nitrogen pressure is increased and reduced until the oil supply pressure and the nitrogen pressure reach balance; when the oil pump fails or stops working due to other reasons, the expansion machine closes the emergency cut-off valve within 3S and gives an alarm, under the action of air pressure in the pressure oil tank, lubricating oil in the pressure oil tank is conveyed to each lubricating point through the cooler and the filter, the oil supply quantity is gradually reduced along with the reduction of the air pressure in the pressure oil tank, and the oil supply requirement of 1-2min is provided for the lubricating points such as the bearings when the oil supply of the oil pump is stopped.
All fixed mounting in both sides on 1 top of mount pad has damping spring 6, and damping spring 6's top fixedly connected with damping plate 3 can alleviate rocking of device operation production, when the pump body 7 rocks with generator 8, can be through the damping spring 6 of extrusion both sides to can reach absorbing effect, also improve work efficiency.
The both sides on 1 top of mount pad and the both sides of 3 bottoms of damper plate all fixed mounting have connecting block 4, and the equal fixed mounting in one side that two connecting blocks 4 are close to each other has rubber damper block 5, can further alleviate rocking that the device produced to make the pump body 7 and generator 8 not receive the influence of vibrations more, further improved the efficiency of work.
All fixed mounting have first installation piece 12 at the both ends of the pump body 7, and second bolt 13 is installed to the both sides of first installation piece 12 all screw threads, and inside first installation piece 12 of all running through of the bottom of second bolt 13 extended to damper plate 3, can be when the pump body 7 damages, can be through taking off second bolt 13 to change the pump body 7, made things convenient for the dismantlement and the installation of staff to the pump body 7.
The working principle is as follows: when using, the staff is through installing first bolt 2 screw thread to mount pad 1 on, install mount pad 1 on the expander, make things convenient for the staff to dismantle and install mount pad 1, couple together generator 8 and pump body 7 through first flange 10 interconnect, can begin to use, second flange 14 through installing on the pump body 7 can external pipeline, when the device is operated, the inflation chance leads to pump body 7 and generator 8 to rock, when pump body 7 and generator 8 rock, can be through the rubber snubber block 5 and the damping spring 6 of extrusion both sides, thereby can reach absorbing effect, make pump body 7 and generator 8 can normally effectual work, and the work efficiency is also improved.
When the pump body 7 is damaged, a worker can take down the bolts on the first connecting flange 10 to separate the pump body 7 from the generator 8, then the second bolts 13 on the first mounting block 12 are taken down to replace the pump body 7, when the generator 8 is damaged, the worker takes down the bolts on the first connecting flange 10 to separate the generator 8 from the pump body 7, then the generator 8 is pulled upwards to extrude the return spring 19 in the cavity 18, so that the limiting columns 20 are contracted inwards and separated from the inside of the limiting holes 21, the inserting blocks 15 can be separated from the inside of the inserting slots 16, the generator 8 can be taken down from the second mounting block 17, the disassembly and the installation of the pump body 7 and the generator 8 by the worker are facilitated, and when the pump body 7 and the generator 8 are damaged independently, the whole device does not need to be replaced, and the practicability of the structure is improved, the cost of the device is also saved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides an oil pump of emergency safety fuel feeding for expander, includes mount pad (1) and shock attenuation board (3), its characterized in that: four corners of the mounting seat (1) are provided with first bolts (2) in a threaded manner, a second mounting block (17) is fixedly mounted on the right side of the top end of the damping plate (3), a pump body (7) is arranged on the left side of the top end of the damping plate (3), a second connecting flange (14) is fixedly arranged on the top end and the left side of the pump body (7), a second connecting pipe (11) is fixedly arranged on the right side of the pump body (7), a slot (16) is arranged at the top end of the second mounting block (17), an inserting block (15) is inserted into the slot (16), a generator (8) is fixedly arranged at the top end of the inserting block (15), a first connecting pipe (9) is fixedly arranged on the right side of the generator (8), one side, close to each other, of the first connecting pipe (9) and the second connecting pipe (11) is fixedly connected with a first connecting flange (10).
2. The oil pump for emergency safe oil supply for an expander according to claim 1, characterized in that: the damping spring (6) is fixedly mounted on the two sides of the top end of the mounting seat (1), and the damping plate (3) is fixedly connected to the top end of the damping spring (6).
3. The oil pump for emergency safe oil supply for an expander according to claim 1, characterized in that: both sides on mount pad (1) top and the both sides of shock attenuation board (3) bottom all fixed mounting have connecting block (4), two one side that connecting block (4) are close to each other all fixed mounting have rubber snubber block (5).
4. The oil pump for emergency safe oil supply for an expander according to claim 1, characterized in that: the utility model discloses a damping plate, including the pump body (7), the both ends of the pump body all fixed mounting have first installation piece (12), second bolt (13) are installed to the both sides of first installation piece (12) all screw thread, and the bottom of second bolt (13) all runs through first installation piece (12) and extends to damping plate (3) inside.
5. The oil pump for emergency safe oil supply for an expander according to claim 1, characterized in that: cavity (18) have all been seted up to the both sides of inserted block (15), the inside of cavity (18) is all fixed mounting has reset spring (19), two one side that reset spring (19) kept away from each other is all fixed mounting has spacing post (20), spacing hole (21) have all been seted up to the both sides of slot (16), spacing hole (21) and spacing post (20) are mutually supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245961.XU CN211777982U (en) | 2020-03-03 | 2020-03-03 | Oil pump for emergency and safe oil supply for expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245961.XU CN211777982U (en) | 2020-03-03 | 2020-03-03 | Oil pump for emergency and safe oil supply for expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777982U true CN211777982U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020245961.XU Active CN211777982U (en) | 2020-03-03 | 2020-03-03 | Oil pump for emergency and safe oil supply for expander |
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| CN (1) | CN211777982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006481A (en) * | 2023-01-05 | 2023-04-25 | 麦克维尔空调制冷(苏州)有限公司 | Abnormal shutdown oil supply protection device for centrifugal compressor |
-
2020
- 2020-03-03 CN CN202020245961.XU patent/CN211777982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006481A (en) * | 2023-01-05 | 2023-04-25 | 麦克维尔空调制冷(苏州)有限公司 | Abnormal shutdown oil supply protection device for centrifugal compressor |
| CN116006481B (en) * | 2023-01-05 | 2024-02-27 | 麦克维尔空调制冷(苏州)有限公司 | Abnormal shutdown oil supply protection device for centrifugal compressor |
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