CN212304603U

CN212304603U - Outlet box of automatic cooling submersible sewage pump

Info

Publication number: CN212304603U
Application number: CN202021438784.3U
Authority: CN
Inventors: 潘波; 潘红英; 潘帅帅
Original assignee: Shandong Xinchuan Mining Electromechanical Equipment Co ltd
Current assignee: Shandong Xinchuan Mining Electromechanical Equipment Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-01-05
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses an automatic cooling submersible sewage pump's outlet box, automatic cooling drain pump body is by supreme base that includes in proper order down, the spiral case, the impeller, motor element, the outlet box, motor element includes bolster bearing housing, motor stator, electric motor rotor, the step, outlet box and bolster bearing housing fixed connection, and be located bolster bearing housing upper portion, the cable stretches out outlet box outside, the outlet box includes cooling device, cooling device includes the cooling tube, the cooling tube includes the liquid outlet, the inlet, the unidirectional pump, one section reciprocal coiling along outlet box inner wall U type of cooling tube, fix the outlet box inner wall, another section passes outlet box and coils along outlet box outer wall spiral, the outlet box outer wall has the spiral groove, the cooling tube coils in the recess, the cooling tube is folding double-barrelled to coil, the inlet passes through unidirectional pump UNICOM with the liquid outlet. The cooling liquid is circularly transported in the cooling pipe through the single pump, the temperature in the wire outlet box is reduced, and the problems of overhigh wire outlet temperature and line aging are avoided.

Description

Outlet box of automatic cooling submersible sewage pump

Technical Field

The utility model belongs to the technical field of the dredge pump and specifically relates to an automatic cooling submersible dredge pump's outlet box.

Background

Drainage has been a significant problem during mining. Submersible pumps are commonly used because of their ease of use. The problem of cable seal failure generally exists in the immersible pump on the existing market.

The reference CN204164025U discloses a submersible pump with a cable sealing device, which includes a base, a pump assembly and a motor assembly, the pump assembly and the motor assembly are disposed on the base from bottom to top, the pump assembly includes a pump shaft, a sealing cover, an extrusion chamber, an impeller and a pump cover, the sealing cover is disposed on the lower portion of the pump shaft from top to bottom, the motor assembly includes an upper bearing body, a motor stator, a rotor and a lower bearing body, the upper bearing body and the lower bearing body are disposed with bearings, the lower portion of the lower bearing body is fixedly connected with the sealing cover, the upper portion of the lower bearing body is fixedly connected with the upper bearing body through a motor casing, the outer side of the motor casing is further disposed with an outer cover, an annular cavity is formed between the outer cover and the upper bearing body, the motor casing and the lower bearing body, the outer side of the outer cover is disposed with a water outlet pipe, the water outlet pipe is communicated with the, the cable stretches out the outside of the outlet box, and is provided with a cable sealing device between the cable and the outlet box, and the cable stretches out and still is fixed in on the motor casing through cable fixing device behind the outlet box.

The sealing structure can solve the problem of cable sealing to a certain extent, but the sealing property of the sealing structure causes overhigh temperature in the wire outlet box, accelerates line aging and influences the service life of a machine.

SUMMERY OF THE UTILITY MODEL

In order to overcome among the prior art outlet box high temperature, the circuit is easily ageing, influences machine life's problem, the utility model provides an automatic cooling submersible sewage pump's outlet box through the improvement to outlet box internal structure function, can reduce the interior temperature of junction box, avoids because the ageing scheduling problem of circuit that the high temperature leads to.

The utility model provides a technical scheme that its technical problem adopted is: a wire outlet box of an automatic cooling submersible sewage pump comprises a base, a volute, an impeller, a motor component and a wire outlet box from bottom to top in sequence, wherein the motor component comprises an upper bearing seat, a motor stator, a motor rotor and a lower bearing seat, the wire outlet box is fixedly connected with the upper bearing seat, and is positioned on the upper part of the upper bearing seat, the cable extends out of the outlet box, the outlet box comprises a cooling device, the cooling device comprises a cooling pipe, the cooling pipe is provided with a liquid outlet and a liquid inlet, one section of the cooling pipe is coiled along the inner wall of the wire outlet box in a U-shaped reciprocating manner and is fixed on the inner wall of the wire outlet box, the other section of the cooling pipe penetrates through the wire outlet box and is coiled along the outer wall of the wire outlet box in a spiral manner, the outer wall of the outlet box is provided with a spiral groove, the cooling pipe is coiled in the groove, the cooling pipe is a folding double-pipe coil, the liquid inlet is communicated with the liquid outlet through a one-way pump, and the cooling pipe is filled with cooling liquid.

The preferred scheme is as follows:

the cooling tube is for folding double-barrelled coiling, the radiating area of heat absorption has been increased on the one hand, can guarantee to cooperate the mouth leakproofness between body and the outlet box simultaneously, promote the inside leakproofness of outlet box, the outlet box is passed with the one-way pump intercommunication other end to the cooling tube outlet end, coil along outlet box inner wall U type is reciprocal, fix the outlet box inner wall, reciprocal back of coiling, wear out from the outlet box inlet, coil along outlet box outer wall spiral, the inlet end and the one-way pump intercommunication of the back other end of reciprocal coiling.

Above-mentioned outlet box still includes cooling tube sealing washer and cooling tube fixing base, the cooling tube sealing washer is located cooling tube and outlet box contact position, the cooling tube is decided the seat cooperation and is set up at the exit end of cooling tube and with outlet box fixed connection, the cooling tube is fixed to be passed the fixing base and outwards stretches out, and the cooling tube material is copper. The cooling pipe fixing seat is fixedly connected with the outlet box through a bolt.

The one-way pump is fixed at the top end of the outlet box and fixedly connected with the outlet box through the mounting table, and the one-way pump and the mounting table are connected through bolts.

The inner wall of the outlet box is provided with clamping grooves for fixing the cooling pipe, and the clamping grooves are uniformly distributed along the circumferential direction. The clamping groove is welded and fixed with the outgoing line and the inner wall, and the cooling pipe is clamped and arranged in the clamping groove.

In the course of the work, let in the coolant liquid in the cooling tube, liquid circulation operation under the effect of individual pump, carry the outside with inside heat, reach the effect of cooling, the cooling tube adopts the better metal of thermal diffusivity to guarantee endothermic and radiating effect simultaneously, can guarantee the inside leakproofness of outlet box through cooling tube sealing washer and fixing base, reduce the inside temperature of outlet box when guaranteeing cable sealing performance, avoid the high temperature, the circuit is easy ageing, influence machine life's problem.

Compared with the prior art the utility model has the advantages of it is following and outstanding effect:

the beneficial effects of the utility model are that, through increasing the cooling tube, coil through the double-barrelled folding of cooling tube, the reasonable heat radiating area that has increased promotes the leakproofness of outlet box simultaneously, makes coolant liquid circulation transportation through the individual pump, has reduced the temperature in the outlet box, avoids the outlet temperature too high, the ageing problem of circuit.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

in the figure: 1. a base; 2. a volute; 3. an impeller; 4. a motor assembly; 41. an upper bearing seat; 42. a motor stator; 43. a motor rotor; 44. a lower bearing seat; 5. an outlet box; 6. a cooling tube; 7. a liquid outlet; 8. a liquid inlet; 9. a one-way pump; 10. a spiral groove; 11. a cooling tube sealing ring; 12. a cooling tube fixing seat; 13. an installation table; 14. a clamping groove.

Detailed Description

[ example 1 ]

As shown in fig. 1 and 2. The utility model provides an automatic cooling submersible sewage pump's outlet box 5, automatic cooling drain pump body includes base 1, spiral case 2, impeller 3, motor element 4, outlet box 5 by supreme down in proper order, and motor element 4 includes bolster bearing housing 41, motor stator 42, motor rotor 43, step 44, outlet box 5 and bolster bearing housing 41 fixed connection, and be located bolster bearing housing 41 upper portion, and the cable stretches out outlet box 5 outsidely, outlet box 5 includes cooling device, cooling device includes cooling tube 6, and the 6 materials of cooling tube are copper. Cooling tube 6 includes liquid outlet 7, inlet 8, cooling tube 6 is one section along the reciprocal coiling of 5 inner walls U types of outlet box, fixes at 5 inner walls of outlet box, and another section passes outlet box 5 and spirals along 5 outer walls of outlet box, 5 outer walls of outlet box have spiral groove 10, cooling tube 6 coils in the recess, and 5 inner walls of outlet box have the draw-in groove 14 of fixed cooling tube 6, draw-in groove 14 is along the circumference equipartition. The clamping groove 14 is welded and fixed with the outgoing line and the inner wall, and the cooling pipe 6 is clamped in the clamping groove 14.

7 ends of the liquid outlet of the cooling pipe 6 and the other end of the one-way pump 9 are communicated to pass through the wire outlet box 5, the wire outlet box is coiled along the U shape on the inner wall of the wire outlet box 5 in a reciprocating mode, the wire outlet box is fixed on the inner wall of the wire outlet box 5, after the wire outlet box is coiled in a reciprocating mode, the wire outlet box penetrates out of the penetrating port of the wire outlet box 5, the wire outlet box is coiled along the outer wall of the wire outlet.

The outlet box 5 also comprises a cooling pipe sealing ring 11 and a cooling pipe fixing seat 12, the cooling pipe sealing ring 11 is positioned at the contact position of the cooling pipe 6 and the outlet box 5, the cooling pipe 6 fixing seat is arranged at the outlet end of the cooling pipe 6 in a matching way and is fixedly connected with the outlet box 5, the cooling pipe 6 fixedly penetrates through the fixing seat and extends outwards,

the pump is fixedly connected with the outlet box 5 through a mounting platform 13, and the one-way pump 9 and the mounting platform 13 are connected through bolts.

In the course of the work, let in the coolant liquid in the cooling tube 6, liquid circulation operation under the effect of individual pump, carry the outside with inside heat, reach the effect of cooling, the better metal of thermal diffusivity can be guaranteed heat absorption and radiating effect to the cooling tube 6 simultaneously, can guarantee the inside leakproofness of outlet box 5 through cooling tube sealing washer 11 and fixing base, reduce the inside temperature of outlet box 5 when guaranteeing cable sealing performance, avoid the high temperature, the circuit is easy ageing, influence machine life's problem.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. A wire outlet box of an automatic cooling submersible sewage pump comprises a base (1), a volute (2), an impeller (3), a motor assembly (4) and a wire outlet box (5) from bottom to top in sequence, wherein the motor assembly (4) comprises an upper bearing seat (41), a motor stator (42), a motor rotor (43) and a lower bearing seat (44), and is characterized in that the wire outlet box (5) is fixedly connected with the upper bearing seat (41) and is positioned at the upper part of the upper bearing seat (41); the outlet box (5) comprises a cooling device, and the cooling device comprises a cooling pipe (6) and a one-way pump (9); the cooling pipe (6) is provided with a liquid outlet (7) and a liquid inlet (8); one section of the cooling pipe (6) is coiled along the U-shaped inner wall of the outlet box (5) in a reciprocating manner and is fixed on the inner wall of the outlet box (5), and the other section of the cooling pipe penetrates through the outlet box (5) and is coiled along the outer wall of the outlet box (5) in a spiral manner; the outer wall of the outlet box (5) is provided with a spiral groove (10); the cooling pipe (6) is coiled in the groove; the cooling pipe (6) is a folding double-pipe coil, the liquid inlet (8) is communicated with the liquid outlet (7) through a one-way pump (9), and the cooling pipe (6) is filled with cooling liquid.

2. The outlet box of the automatic cooling submersible sewage pump as claimed in claim 1, wherein the outlet box (5) further comprises a cooling pipe sealing ring (11) and a cooling pipe fixing seat (12), the cooling pipe sealing ring (11) is located at a contact position of the cooling pipe (6) and the outlet box (5), the cooling pipe (6) fixing seat is arranged at an outlet end of the cooling pipe (6) in a matching manner and is fixedly connected with the outlet box (5), and the cooling pipe (6) fixedly penetrates through the fixing seat and extends outwards.

3. The outlet box of the automatic cooling submersible sewage pump as claimed in claim 2, wherein the one-way pump (9) is fixed at the top end of the outlet box (5) and is fixedly connected with the outlet box (5) through a mounting table (13), and the one-way pump (9) and the mounting table (13) are connected through a bolt.

4. An outlet box of an automatic cooling submersible sewage pump as claimed in claim 3, characterized in that the material of the cooling pipe (6) is copper.

5. The outlet box of the automatic cooling submersible sewage pump according to claim 4, wherein the inner wall of the outlet box (5) is provided with clamping grooves (14) for fixing the cooling pipe (6), the clamping grooves (14) are uniformly distributed along the circumferential direction, the clamping grooves (14) are welded and fixed with the outlet and the inner wall, and the cooling pipe (6) is clamped in the clamping grooves (14).