CN212177485U - Cooling tube structure for bearing box of pump and bearing box comprising same - Google Patents
Cooling tube structure for bearing box of pump and bearing box comprising same Download PDFInfo
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- CN212177485U CN212177485U CN202020811229.4U CN202020811229U CN212177485U CN 212177485 U CN212177485 U CN 212177485U CN 202020811229 U CN202020811229 U CN 202020811229U CN 212177485 U CN212177485 U CN 212177485U
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Abstract
The utility model relates to a cooling tube structure for a bearing box of a pump and a bearing box comprising the same, wherein the cooling tube structure comprises a stainless steel tube, the outer wall of the stainless steel tube is provided with a plurality of fin convex rings, one end of the stainless steel tube is a fixed end, the other end is an installation end, the fixed end is fixedly connected with a cutting sleeve type pipe joint, and the free end of the cutting sleeve type pipe joint is connected with an extension connecting pipe through a cutting sleeve nut so as to be connected with an external pipeline; one end of the ferrule type pipe joint close to the stainless steel pipe is provided with external threads so as to be connected with a bearing box, and the diameters of all fin convex rings are smaller than the small diameter of the external threads; but the slidable cover is equipped with first thermocouple joint on the installation end of nonrust steel pipe, and first thermocouple joint is equipped with the external screw thread so that connect the bearing box towards the one end of fin bulge loop, and the installation end can be dismantled and be connected with second thermocouple joint, and second thermocouple joint's free end is external mouth of pipe. The cooling pipe structure is convenient to install, and can better cool and control the oil temperature in the bearing box by connecting the water pumping system after being installed on the bearing box.
Description
Technical Field
The utility model belongs to the technical field of non-varactor formula pump, concretely relates to bearing box of pump is with cooling tube structure and contain bearing box of this structure.
Background
The centrifugal pump conveys fluid by centrifugal force generated when the impeller rotates, and the fluid is sucked from the water inlet on the pump shell and pumped out from the water outlet. When the pump works, the pump shaft drives the impeller in the pump shell to rotate at a high speed, two ends of the pump shaft usually extend out of the pump shell, one end of the pump shaft penetrates through the bearing box and is connected with a power source to input torque, and the other end of the pump shaft extends into the bearing box to serve as a rotary support. The bearing box is fixedly connected to the outer side of the pump shell or fixedly connected to the outer side of the pump shell through a bracket, the pump shaft penetrates the bearing box after extending out of the pump shell, the bearing, the oil slinger and the like are connected in the bearing box, the bearing in the bearing box also needs to be lubricated and cooled, so lubricating oil is also injected in the bearing box, an oil storage pool is arranged at the bottom in the bearing box or the bottom space is formed into the oil storage pool, the lower end of the oil slinger is immersed in the oil, and the pump shaft rotates to drive the oil slinger to realize the oil.
Lubricating oil in an oil pool of the bearing box is recycled, and cooling or temperature control is also needed, and in the prior art, a mode of prolonging a circulating path of the lubricating oil in the oil pool to facilitate temperature reduction and improve a cooling effect is often adopted, as disclosed in CN 209414234U. But the cooling or temperature control effect is limited, and the lubricating oil heating function is not realized in a low-temperature environment, so that the lubricating oil heating device can be further improved and optimized.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a bearing box of pump is with cooling tube structure and contain the bearing box of this structure, avoids the cooling of the bearing box internal lubricating oil of present pump or the not too good problem of accuse temperature effect, gains the effect of the bearing box internal lubricating oil temperature of more controuably assurance pump.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the cooling pipe structure for the bearing box of the pump comprises a linear stainless steel pipe, wherein a plurality of fin convex rings are arranged on the outer wall of the stainless steel pipe, and all the fin convex rings are arranged at intervals along the length direction of the stainless steel pipe; one end of the stainless steel pipe is a fixed end, the other end of the stainless steel pipe is an installation end, the fixed end of the stainless steel pipe is fixedly connected with a ferrule type pipe joint, the fixed end extends into an inner hole of the ferrule type pipe joint and is fixedly connected by welding, and the free end of the ferrule type pipe joint is connected with an extension connecting pipe through a ferrule nut so as to be externally connected with a pipeline; the outer circumference of one end of the ferrule type pipe joint close to the stainless steel pipe is provided with external threads so as to be correspondingly connected with the bearing box, and the diameters of all fin convex rings are smaller than the small diameter of the external threads so as to be capable of extending into the bearing box during installation; but the slidable cover is equipped with first thermocouple joint on the installation end of stainless steel pipe, and first thermocouple joint is equipped with the external screw thread so that correspond the connection bearing box on the outer circumference of the one end of fin bulge loop, the end of installation end still can be dismantled and be connected with second thermocouple joint, the free end of second thermocouple joint forms external mouth of pipe so that external pipeline.
According to the technical scheme, the first thermocouple joint comprises a first joint body, a through hole is formed in the first joint body, the first joint body is slidably sleeved on the mounting end of the stainless steel pipe through the through hole, the external thread on the first thermocouple joint is arranged on the outer circumference of one end, facing the fin convex ring, of the first joint body, one end, far away from the fin convex ring, of the first joint body is in threaded connection with a first clamping nut, and a thermocouple is arranged between the first clamping nut and the outer wall of the stainless steel pipe and used for sensing temperature (or a temperature sensor can be used).
Furthermore, the second thermocouple joint comprises a second joint body, a step hole is formed in the second joint body, the end head of the mounting end extends into one hole with the larger inner diameter in the step hole and is abutted against the hole, one end, facing the stainless steel pipe, of the second joint body is in threaded connection with a second clamping nut, and a thermocouple is arranged between the second clamping nut and the outer wall of the stainless steel pipe; and the end of one hole with smaller inner diameter in the stepped hole is formed as the circumscribed pipe orifice.
Furthermore, the external thread on one end of the ferrule type pipe joint close to the stainless steel pipe is a tapered thread, the small end of the tapered thread faces the raised piece convex ring, and the diameter of all the raised piece convex rings is smaller than the small diameter of the small end of the tapered thread.
The utility model discloses still relate to a bearing box, the bottom in the bearing box has the oil bath, the oil bath has two parallel just right lateral walls, pass the bearing box that both sides wall was equipped with foretell pump and use cooling tube structure, all fin collars on the nonrust steel pipe are located between the both sides wall, the cutting ferrule formula coupling links to each other with a lateral wall fastening through its one serving external screw thread that is close to nonrust steel pipe, first thermocouple joint links to each other with another lateral wall fastening through its one serving external screw thread towards the fin collar, extend take over and pass through the circulation that the pipe connection pump water system just realized the cooling water with external pipe connector.
Furthermore, the number of the cooling pipe structures for the bearing boxes of the pump is a plurality of and the cooling pipe structures are transversely arranged at the positions of the oil pools of the bearing boxes at intervals, the cooling pipe structures for the bearing boxes of all the pumps are connected in series through an external pipeline, and the extending connecting pipe and the external connecting pipe opening of the cooling pipe structures for the bearing boxes of the two-stage pump located at the head and tail positions are connected with a water pumping system through pipelines.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a cooling tube structure, as a subassembly product, be convenient for production and use, simple to operate. During installation, the ferrule type pipe joint and the stainless steel pipe are taken as a whole, the second thermocouple joint and the first thermocouple joint at the installation end of the stainless steel pipe are taken down, the stainless steel pipe (containing a fin convex ring) is inserted from one side of the bearing box and is fixedly connected with the corresponding box wall through the external thread of the ferrule type pipe joint, the installation end of the stainless steel pipe extends out from the other side of the bearing box, the first thermocouple joint is sleeved on the installation end of the stainless steel pipe and slides to be close to the box wall, the external thread of the first thermocouple joint is fixedly connected with the corresponding box wall, the stainless steel pipe can be stabilized, and the installation end of the stainless steel pipe is connected with the second thermocouple joint to complete installation of the cooling pipe structure; the cooling water can be circulated by extending the connecting pipe and the external connecting pipe to be externally connected with a water pumping system, so that the cooling water can achieve an effective and better cooling effect and is beneficial to controlling the oil temperature in the bearing box.
2. The utility model discloses a bearing box dress is gone up the cooling tube structure after, the suitable cooling water of adaptation can also realize the heat preservation heating to lubricating oil under low temperature environment, uses in a flexible way.
Drawings
FIG. 1 is a schematic diagram of a cooling tube structure for a bearing housing of a pump according to an exemplary embodiment;
FIG. 2 is a schematic structural view of a bearing housing of an exemplary embodiment;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a cross-sectional view (rotated) of FIG. 3, with arrows indicating the direction of cooling water flow;
the connecting structure comprises a stainless steel pipe 1, a fin convex ring 11, a fixed end 12, a mounting end 13, a ferrule type pipe joint 2, a ferrule nut 21, an extension connecting pipe 22, a first thermocouple joint 3, a first joint body 31, a first clamping nut 32, a second thermocouple joint 4, a second joint body 41, a second clamping nut 42, an external pipe opening 43, a bearing box 5, an oil pool 51 and a side wall 52.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, a cooling tube structure for a bearing housing of a pump according to an embodiment includes a linear stainless steel tube 1, a plurality of fin protruding rings 11 are disposed on an outer wall of the stainless steel tube 1, and all the fin protruding rings 11 are disposed at intervals along a length direction of the stainless steel tube 1; one end of the stainless steel pipe 1 is a fixed end 12, the other end is an installation end 13, the fixed end 12 of the stainless steel pipe 1 is fixedly connected with a ferrule type pipe joint 2, the fixed end 12 extends into an inner hole of the ferrule type pipe joint 2 and is fixedly connected with an inner orifice part of the ferrule type pipe joint 2 of the extending end in a welding mode, and the free end of the ferrule type pipe joint 2 is connected with an extension connecting pipe 22 through a ferrule nut 21 so as to be externally connected with a pipeline; a convex edge at one end is arranged on the outer circumferential surface of the extension connecting pipe 22, one end of the ferrule nut 21 close to the ferrule pipe joint 2 is in threaded connection with the free end of the ferrule pipe joint 2, and one end of the ferrule nut 21 close to the extension connecting pipe 22 is connected with the convex edge of the extension connecting pipe 22 through the inner buckling edge thereof so as to realize the butt connection of the opposite ends of the ferrule pipe joint 2 and the extension connecting pipe 22 by screwing the ferrule nut 21; the outer circumference of one end of the ferrule type pipe joint 2 close to the stainless steel pipe 1 is provided with external threads so as to be correspondingly connected with the bearing box 5, and the diameters of all fin convex rings 11 are smaller than the small diameter of the external threads so as to be capable of extending into the bearing box 5 during installation; the slidable cover is equipped with first thermocouple joint 3 on the installation end 13 of stainless steel pipe 1, is equipped with the external screw thread on the outer circumference of the one end of first thermocouple joint 3 towards fin bulge loop 11 so that correspond connection bearing box 5, the end of installation end 13 still can be dismantled and be connected with second thermocouple joint 4, the free end of second thermocouple joint 4 forms external mouth of pipe 43 so that external pipeline.
Referring to fig. 2-4, the cooling tube structure of the embodiment is used as a component product, which is convenient to produce, use and install. When the bearing box is used, two opposite box walls of the corresponding bearing box 5 are respectively provided with an internal thread connecting hole, which respectively corresponds to an external thread at one end of the cutting sleeve type pipe joint 2 close to the stainless steel pipe 1 and an external thread at one end of the first thermocouple joint 3 facing the fin convex ring 11. During installation, the ferrule type pipe joint 2 and the stainless steel pipe 1 are taken as a whole, the second thermocouple joint 4 and the first thermocouple joint 3 of the installation end 13 of the stainless steel pipe 1 are firstly taken down, the stainless steel pipe 1 (including the fin convex ring 11) is inserted from one side of the bearing box 5 and is fixedly connected with the corresponding box wall through the external thread of the ferrule type pipe joint 2, the installation end 13 of the stainless steel pipe 1 extends out from the other side of the bearing box 5, the first thermocouple joint 3 is sleeved on the installation end 13 of the stainless steel pipe 1 and slides to be close to the box wall, the stainless steel pipe 1 can be stabilized through the fastening connection of the external thread of the first thermocouple joint 3 with the corresponding box wall, and the installation of the cooling pipe structure can be completed by connecting the second thermocouple joint 4 to the end 13 of the installation end of the stainless steel; the extension connecting pipe 22 and the external pipe orifice 43 are externally connected with a water pumping system, so that the circulation of cooling water can be realized, an effective and better cooling effect is achieved, and the control of the oil temperature in the bearing box 5 is facilitated; the thermocouple is electrically connected with a necessary display instrument, and can observe the stability of the stainless steel tube 1 in the heat exchange process, so that the temperature of oil in the bearing box 5 can be controlled at intervals. When in implementation, necessary sealing treatment is carried out; during implementation, if the temperature measuring function is not needed, the second thermocouple joint 4 and the first thermocouple joint 3 can be replaced by common pipe joints, the second thermocouple joint 4 can be replaced by a second pipe joint with a straight-through hole, and the first thermocouple joint 3 can be replaced by a first pipe joint with a stepped hole, so that the temperature measuring function is correspondingly cancelled, the cost is reduced, and the circulating cooling function can be normally performed.
Referring to fig. 1, the first thermocouple joint 3 includes a first joint body 31, a through hole is formed in the first joint body 31 and slidably sleeved on the installation end 13 of the stainless steel tube 1 through the through hole, an external thread on the first thermocouple joint 3 is arranged on an outer circumference of one end of the first joint body 31 facing the fin convex ring 11, one end of the first joint body 31 far away from the fin convex ring 11 is in threaded connection with a first clamping nut 32, and a thermocouple is arranged between the first clamping nut 32 and the outer wall of the stainless steel tube 1; the thermocouple of the first thermocouple joint 3 is positioned in the first clamping nut 32 and on the outer side of the stainless steel pipe 1 and is tightly attached to the outer wall of the stainless steel pipe 1 along with the screwing of the first clamping nut 32, and the fastening and sealing of the first thermocouple joint 3 and the stainless steel pipe 1 are also realized. The second thermocouple joint 4 comprises a second joint body 41, a step hole is formed in the second joint body 41, the end head of the mounting end 13 extends into one hole with the larger inner diameter in the step hole and is abutted against the hole, one end, facing the stainless steel pipe 1, of the second joint body 41 is in threaded connection with a second clamping nut 42, and a thermocouple is arranged between the second clamping nut 42 and the outer wall of the stainless steel pipe 1; the end of the stepped bore where the bore of smaller inner diameter is located is formed as the circumscribing pipe orifice 43. The thermocouple of the second thermocouple joint 4 is located in the first clamping nut 32 and outside the stainless steel tube 1 and is tightly attached to the outer wall of the stainless steel tube 1 along with the screwing of the second clamping nut 42, and meanwhile, the second joint body 41 is tightly connected with the end head of the installation end 13 of the stainless steel tube 1 along with the screwing of the second clamping nut 42.
The external thread on one end of the ferrule type pipe joint 2 close to the stainless steel pipe 1 is a tapered thread, the small end of the tapered thread faces the fin convex ring 11, and the diameter of all the fin convex rings 11 is smaller than the small diameter of the small end of the tapered thread. In practice, the external thread on the outer circumference of the end of the first coupling body 31 facing the fin collar 11 is also preferably a tapered thread. In this way the fastening, in particular the sealing, is more effective.
Referring to fig. 2-4, the present invention further provides a bearing box 5, wherein an oil sump 51 is disposed at the bottom of the bearing box 5, the oil sump 51 has two parallel opposite side walls 52, the side wall 52 is also the box wall of the bearing box 5, a cooling pipe structure for the bearing box using the above pump is disposed on the bearing box 5, the stainless steel pipe 1 passes through the two side walls 52, all the fin convex rings 11 on the stainless steel pipe 1 are disposed between the two side walls 52 (i.e., inside the oil sump 51), the ferrule type pipe joint 2 is fastened to one side wall 52 through the external threads on one end of the ferrule type pipe joint close to the stainless steel pipe 1 (the corresponding side wall is provided with an adaptive internal threaded hole), the first thermocouple joint 3 is fastened to the other side wall 52 through the external threads on one end of the fin convex ring 11 (the corresponding side wall is provided with an adaptive internal threaded hole), and the free ends of the extension pipe 22 and the second thermocouple joint 43 are connected to a water pumping system through a pipe (not shown in the figure) So as to realize circulation of cooling water.
The installation process and the use effect of the bearing housing 5 are the same as those described above, and will not be described herein.
The number of the cooling pipe structures for the bearing boxes of the pump is three, the cooling pipe structures for the bearing boxes of the three pumps are transversely arranged at the positions of the oil pools 51 of the bearing boxes 5 at intervals, the cooling pipe structures for the bearing boxes of the three pumps are connected in series through external pipelines, and the extension connecting pipe 22 and the external pipe orifice 43 of the cooling pipe structures for the bearing boxes of the two-stage pump located at the head and tail positions are connected with a water pumping system through pipelines. Namely, the extension connecting pipe 22 of the cooling pipe structure for the bearing housing of the pump located at the first stage position of the series connection and the external pipe orifice 43 of the cooling pipe structure for the bearing housing of the pump located at the last stage position of the series connection are connected with the water pumping system through pipelines.
In this way, a better cooling effect can be obtained by connecting more cooling tube structures.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The cooling pipe structure for the bearing box of the pump comprises a linear stainless steel pipe, wherein a plurality of fin convex rings are arranged on the outer wall of the stainless steel pipe, and all the fin convex rings are arranged at intervals along the length direction of the stainless steel pipe; the method is characterized in that: one end of the stainless steel pipe is a fixed end, the other end of the stainless steel pipe is an installation end, the fixed end of the stainless steel pipe is fixedly connected with a ferrule type pipe joint, the fixed end extends into an inner hole of the ferrule type pipe joint and is fixedly connected by welding, and the free end of the ferrule type pipe joint is connected with an extension connecting pipe through a ferrule nut so as to be externally connected with a pipeline; the outer circumference of one end of the ferrule type pipe joint close to the stainless steel pipe is provided with external threads so as to be correspondingly connected with the bearing box, and the diameters of all fin convex rings are smaller than the small diameter of the external threads so as to be capable of extending into the bearing box during installation;
but the slidable cover is equipped with first thermocouple joint on the installation end of stainless steel pipe, and first thermocouple joint is equipped with the external screw thread so that correspond the connection bearing box on the outer circumference of the one end of fin bulge loop, the end of installation end still can be dismantled and be connected with second thermocouple joint, the free end of second thermocouple joint forms external mouth of pipe so that external pipeline.
2. The cooling tube structure for a bearing housing of a pump according to claim 1, characterized in that: the first thermocouple joint comprises a first joint body, a through hole is formed in the first joint body, the first joint body is slidably sleeved on the mounting end of the stainless steel pipe through the through hole, external threads on the first thermocouple joint are arranged on the outer circumference of one end, facing the fin convex ring, of the first joint body, one end, far away from the fin convex ring, of the first joint body is in threaded connection with a first clamping nut, and a thermocouple is arranged between the first clamping nut and the outer wall of the stainless steel pipe.
3. The cooling tube structure for a bearing housing of a pump according to claim 1, characterized in that: the second thermocouple joint comprises a second joint body, a step hole is formed in the second joint body, the end head of the mounting end extends into one hole with the larger inner diameter in the step hole and abuts against the hole, one end, facing the stainless steel pipe, of the second joint body is in threaded connection with a second clamping nut, and a thermocouple is arranged between the second clamping nut and the outer wall of the stainless steel pipe; and the end of one hole with smaller inner diameter in the stepped hole is formed as the circumscribed pipe orifice.
4. The cooling tube structure for a bearing housing of a pump according to claim 1, characterized in that: the external thread on one end of the ferrule type pipe joint close to the stainless steel pipe is a taper thread, the small end of the taper thread faces the fin convex ring, and the diameter of all the fin convex rings is smaller than the small diameter of the small end of the taper thread.
5. The utility model provides a bearing box, the bottom in the bearing box has the oil bath, the oil bath has two parallel just right lateral walls, its characterized in that: the cooling pipe structure for the bearing box, which is provided with the pump according to any one of claims 1 to 4 through two side walls, wherein all fin convex rings on the stainless steel pipe are positioned between the two side walls, the ferrule type pipe joint is tightly connected with one side wall through external threads on one end of the ferrule type pipe joint close to the stainless steel pipe, the first thermocouple joint is tightly connected with the other side wall through external threads on one end of the first thermocouple joint facing to the fin convex rings, and the extension connecting pipe and the external connecting pipe port are connected with a water pumping system through pipelines so as to realize the circulation of cooling water.
6. A bearing housing according to claim 5, wherein: the cooling pipe structures for the bearing boxes of the pumps are arranged at the oil pool positions of the bearing boxes at a plurality of transverse intervals, the cooling pipe structures for the bearing boxes of all the pumps are connected in series through an external pipeline, and the extending connecting pipes and the external pipe ports of the cooling pipe structures for the bearing boxes of the two-stage pumps which are positioned at the head and tail positions are connected with a water pumping system through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811229.4U CN212177485U (en) | 2020-05-15 | 2020-05-15 | Cooling tube structure for bearing box of pump and bearing box comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811229.4U CN212177485U (en) | 2020-05-15 | 2020-05-15 | Cooling tube structure for bearing box of pump and bearing box comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN212177485U true CN212177485U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020811229.4U Active CN212177485U (en) | 2020-05-15 | 2020-05-15 | Cooling tube structure for bearing box of pump and bearing box comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177485U (en) |
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2020
- 2020-05-15 CN CN202020811229.4U patent/CN212177485U/en active Active
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