CN214036813U

CN214036813U - Lubricating oil cooling device for gearbox of pulverizer

Info

Publication number: CN214036813U
Application number: CN202021950997.4U
Authority: CN
Inventors: 徐建光; 李景春
Original assignee: Meishan Shida New Materials Co ltd
Current assignee: Meishan Shida New Materials Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-08-24
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a milling machine gearbox lubricating oil cooling device belongs to the charcoal material and makes technical field, and it includes gearbox, fuel delivery pump and cooling device, and the bottom of gearbox is through going out oil pipe and cooling device's input intercommunication, and the top intercommunication of gearbox is provided with into oil pipe, advances oil pipe's the other end and cooling device's output intercommunication, and the fuel delivery pump setting is on advancing oil pipe. Compared with a lubricating oil non-cooling mode, the cooling device has the advantages that the oil temperature is obviously reduced, the condition that the equipment is stopped due to the influence of the oil temperature is avoided, the continuous operation of the equipment is ensured, the requirements of a production process are met, and the production cost is reduced.

Description

Lubricating oil cooling device for gearbox of pulverizer

Technical Field

The utility model relates to a carbon material makes technical field, especially relates to a milling machine gearbox lubricating oil cooling device.

Background

Before the carbon material is manufactured, the raw material for carbon needs to be ground into powder. The pulverizer in the domestic carbon industry generally adopts a natural cooling mode to cool. However, lubricating oil in the gearbox in the pulverizer can generate high temperature due to continuous operation, and cannot be effectively cooled, so that the phenomena of large current fluctuation and oil temperature alarm in the gearbox easily occur. The equipment has to be shut down to allow the lubricating oil in the gearbox to cool down. However, the shutdown will affect the purity of the powder and the continuity of the production, and the production efficiency is low, which is not beneficial to the production of the factory. Especially in hot summer, the safety coefficient is reduced, and the cost is increased due to long-term production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling machine gearbox lubricating oil cooling device has the advantage of solving above-mentioned technical problem.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a milling machine gearbox lubricating oil cooling device, includes gearbox, petroleum pump and cooling device, the bottom of gearbox is through going out oil pipe and cooling device's input intercommunication, the top intercommunication of gearbox is provided with into oil pipe, the other end that advances oil pipe and cooling device's output intercommunication, the petroleum pump sets up on advancing oil pipe.

Preferably, cooling device includes water-cooled cooler, water tank and water delivery pump, the water inlet of water-cooled cooler passes through the inlet tube and water tank intercommunication sets up, the delivery port of water-cooled cooler passes through the outlet pipe and water tank intercommunication sets up, the water delivery pump sets up on the inlet tube, the oil feed end and the play oil pipe intercommunication of water-cooled cooler, the oil outlet end and the oil pipe intercommunication of water-cooled cooler.

Preferably, the communication position of the water inlet pipe and the water tank is close to the bottom of the water tank, and the communication position of the water outlet pipe and the water tank is located at the top of the water tank.

Preferably, the water inlet pipe and the water outlet pipe are both provided with valves.

Preferably, the water-cooled cooler is a coil cooler.

Preferably, the oil inlet pipe includes trunk line, distributor and a plurality of small transfer line, be equipped with an input port and a plurality of delivery outlet on the distributor, trunk line and input port intercommunication, every delivery outlet department all communicates and is provided with a pipeline, and the other end of small transfer line and the top intercommunication setting of gearbox.

Preferably, the oil transfer pump is a gear pump.

Preferably, the middle section position intercommunication that goes out the oil pipe is provided with and filters the piece, filter the piece and include casing and filter screen, the filter screen setting is provided with oil inlet and oil-out with two regions of filter chamber with casing inside being divided into in the casing, oil inlet and oil-out on the casing, oil inlet and unfiltered chamber intercommunication, oil-out and filtered chamber intercommunication, the slag notch has been seted up to the diapire of unfiltered chamber, the slag notch is close to the filter screen setting, slag notch department threaded connection has the receiving flask.

Preferably, the diapire of unfiltered chamber is hopper-shaped and sets up, and the slag notch is located the lowest of unfiltered chamber diapire.

Preferably, the collection bottle is a transparent bottle body.

Compared with the prior art, the utility model has the advantages of:

compared with a lubricating oil cooling-free mode, the oil temperature is obviously reduced, the equipment halt caused by the oil temperature is avoided, the continuous operation of the equipment is ensured, the requirements of a production process are met, and the production cost is reduced;

secondly, the structure is simple and easy to assemble, and each part can be singly disassembled and replaced, so that the maintenance cost is reduced;

and the price of the water-cooled cooler is lower, and the manufacturing cost of the lubricating oil cooling device of the gearbox of the pulverizer is reduced while the lubricating oil cooling standard is met.

Drawings

FIG. 1 is a schematic view of the structure of example 1;

FIG. 2 is a schematic view of the structure of example 2;

fig. 3 is a schematic diagram of the structure of the filter element.

In the figure: 1. a gearbox; 2. an oil transfer pump; 3. a cooling device; 31. a water-cooled cooler; 32. a water tank; 33. a water delivery pump; 34. a water inlet pipe; 35. a water outlet pipe; 4. an oil outlet pipe; 5. an oil inlet pipe; 51. a main pipeline; 52. a dispenser; 53. branch pipelines; 6. a filter member; 61. a housing; 62. filtering with a screen; 63. an unfiltered chamber; 64. a filtered cavity; 65. an oil inlet; 66. an oil outlet; 67. a slag outlet; 68. and (6) collecting the bottle.

Detailed Description

The present invention will be further explained below.

Example 1:

as shown in figure 1, the lubricating oil cooling device for the gearbox of the pulverizer comprises a gearbox 1, an oil delivery pump 2 and a cooling device 3. The gearbox 1 is communicated with the cooling device 3 through the oil outlet pipe 4, and the communication position is located at the bottom of the gearbox 1, so that lubricating oil in the gearbox 1 can automatically flow into the cooling device 3 to be cooled under the condition of self gravity. Cooling device 3 feeds through with the roof of gearbox 1 through advancing oil pipe 5, advances oil pipe 5 and still is provided with transfer pump 2, and transfer pump 2 selects for the gear pump in this embodiment for carry out the pump sending to the lubricating oil of cooling in cooling device 3, make it get back to again and carry out lubricated work in gearbox 1 and cool down to the lubricating oil in the gearbox 1, accomplish a circulation. In actual production, the oil temperature of the lubricating oil in the gearbox 1 can be in a normal range by repeating the circulation, and the condition of stopping and radiating is avoided.

The gearbox 1 is complex in structure, needs to lubricate and cool a plurality of lubricating points, and in order to lubricate each lubricating point in the gearbox 1, the oil inlet pipe 5 comprises a main pipe 51, a distributor 52 and a plurality of branch pipes 53. The distributor 52 is provided with an input port with which the main pipe 51 communicates and a plurality of output ports, and the fuel pump 2 is provided on the main pipe 51. Every delivery outlet department all communicates and is provided with a pipeline 53, and the other end of pipeline 53 and the top intercommunication setting of gearbox 1 transport lubricating oil to each lubrication point and lubricate and cool down. Thereby achieving the purpose of simultaneously lubricating and cooling each lubricating point. The branch pipe 53 is a metal hose in this embodiment.

The cooling device 3 in this embodiment includes a water-cooled cooler 31, a water tank 32 and a water pump 33, and the water-cooled cooler 31 is a coil cooler.

The water inlet of water-cooled cooler 31 passes through inlet tube 34 and water tank 32 intercommunication and the department of intercommunication is close to the setting of water tank 32 diapire, and the delivery port of water-cooled cooler 31 passes through outlet pipe 35 and the roof intercommunication setting of water tank 32, and water delivery pump 33 sets up on inlet tube 34, and the oil feed end and the play oil pipe 4 intercommunication of water-cooled cooler 31, the play oil end and the 5 intercommunications of oil pipe of water-cooled cooler 31. The water in the water tank 32 is transferred to the water-cooled cooler 31 by the water transfer pump 33 to perform heat exchange with the lubricating oil transferred to the water-cooled cooler 31, the lubricating oil subjected to the heat exchange is transferred to the transmission case 1 to be lubricated, and the water subjected to the heat exchange is transferred again to the water tank 32 to be naturally cooled. The water in the water tank 32 with slightly higher temperature due to density is located at the upper half part of the water in the water tank 32, the water with lower temperature is located at the lower half part of the water in the water tank 32, and the water temperature of the water inlet pipe 34 communicated with the bottom of the water tank 32 and conveyed to the water-cooled cooler 31 is relatively lower, so that the cooling effect of lubricating and replacing oil is better. And the roof intercommunication of outlet pipe 35 and water tank 32 when carrying water into in the water tank 32, rivers can expose in the air, and the area of contact of water and air is great this moment, has certain cooling effect, if the convection velocity is controlled and can be reached the effect of drippage, has strengthened the cooling effect to the water in the water tank 32. Indirectly improve the overall cooling effect of the lubricating oil. In order to control the water transportation and facilitate the disassembly and maintenance of the water-cooled cooler 31, valves are disposed on the water inlet pipe 34 and the water outlet pipe 35.

The working process is as follows:

the gear pump rotates, the lubricating oil in the gearbox 1 is pumped to the inlet of the water-cooled cooler 31 from the lower part through the gear pump group, the lubricating oil flows in a coil pipe in the water-cooled cooler 31 and is rapidly cooled by cooling water, the lubricating oil flows into the inlet of the gear pump from the oil outlet end of the water-cooled cooler 31 and is discharged from the outlet of the gear pump, and the lubricating oil is sent to each lubricating point of the gearbox 1 through the distributor 52, so that the cooling of the lubricating oil at one time is completed, the aim of reducing the oil temperature is fulfilled, and the continuity of production is ensured.

Example 2:

as shown in fig. 2 and 3, the present embodiment is different from the other embodiments in that a filter member 6 is provided in communication with a middle portion of the oil outlet pipe 4. The derailleur is inside can the wearing and tearing appear in the course of the work, and the piece (iron fillings) of partial wear can reach the meshing department of derailleur internal gear again at lubricating oil circulation's in-process, and the tooth face of counter gear has certain harm, has consequently still set up in the circulating line of lubricating oil and has filtered piece 6, filters the impurity in the lubricating oil, avoids impurity to get back to gearbox 1 in again and causes the influence to each device in the gearbox 1, improves gearbox 1's life. Filter 6 settings on oil pipe 4 in this embodiment and still avoided impurity entering gear pump, avoided the influence that impurity caused the gear pump life-span.

The filtering member 6 comprises a shell 61 and a filtering net 62, the filtering net 62 is arranged in the shell 61, the inside of the shell 61 is divided into two areas, namely an unfiltered cavity 63 and a filtered cavity 64, an oil inlet 65 and an oil outlet 66 are arranged on the shell 61, the oil inlet 65 is communicated with the unfiltered cavity 63, the oil outlet 66 is communicated with the filtered cavity 64, debris filtered by the filtering net 62 can fall to the bottom wall of the unfiltered cavity 63 under the condition of self gravity, in order to collect and clean the debris, the bottom wall of the unfiltered cavity 63 is funnel-shaped, a slag outlet 67 is formed in the lowest part of the bottom wall of the unfiltered cavity 63, a transparent collecting bottle 68 is connected to the slag outlet 67 through threads, the amount of the debris in the collecting bottle 68 can be observed by an inspector, and therefore the debris in the collecting bottle 68 can be treated. In order to prevent the leakage of the lubricating oil from the joint between the collecting bottle 68 and the slag outlet 67, a seal ring is interposed between the joint.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a milling machine gearbox lubricating oil cooling device, its characterized in that, includes gearbox (1), petroleum pump (2) and cooling device (3), the bottom of gearbox (1) is through going out the input intercommunication of oil pipe (4) and cooling device (3), the top intercommunication of gearbox (1) is provided with into oil pipe (5), the other end that advances oil pipe (5) communicates with the output of cooling device (3), petroleum pump (2) set up on advancing oil pipe (5).

2. A lubricating oil cooling device for gearbox of pulverizer as claimed in claim 1, wherein said cooling device (3) comprises water-cooled cooler (31), water tank (32) and water delivery pump (33), the water inlet of said water-cooled cooler (31) is connected to water tank (32) through water inlet pipe (34), the water outlet of said water-cooled cooler (31) is connected to water tank (32) through water outlet pipe (35), said water delivery pump (33) is connected to water inlet pipe (34), the oil inlet of said water-cooled cooler (31) is connected to oil outlet pipe (4), and the oil outlet of said water-cooled cooler (31) is connected to oil inlet pipe (5).

3. A mill gearbox lubricating oil cooling device according to claim 2, characterized in that the connection between the inlet pipe (34) and the water tank (32) is near the bottom of the water tank (32), and the connection between the outlet pipe (35) and the water tank (32) is at the top of the water tank (32).

4. A mill gearbox lubricating oil cooling device as claimed in claim 2, characterised in that the inlet pipe (34) and the outlet pipe (35) are provided with valves.

5. -a mill gearbox lubricating oil cooling device according to claim 2, characterized in that the water-cooled cooler (31) is a coil cooler.

6. A lubricating oil cooling device for gearbox of pulverizer as claimed in claim 1, wherein said oil inlet pipe (5) comprises a main pipe (51), a distributor (52) and a plurality of branch pipes (53), said distributor (52) is provided with an input port and a plurality of output ports, the main pipe (51) is communicated with the input port, each output port is communicated with one branch pipe (53), and the other end of branch pipe (53) is communicated with the top of gearbox (1).

7. -a mill gearbox lubricating oil cooling device according to claim 1, characterized in that the oil feed pump (2) is a gear pump.

8. The lubricating oil cooling device for the gearbox of the pulverizer as claimed in claim 1, wherein the oil outlet pipe (4) is provided with a filter element (6) at a middle position thereof, the filter element (6) comprises a housing (61) and a filter screen (62), the filter screen (62) is arranged in the housing (61) to divide the interior of the housing (61) into two areas, namely an unfiltered chamber (63) and a filtered chamber (64), the housing (61) is provided with an oil inlet (65) and an oil outlet (66), the oil inlet (65) is communicated with the unfiltered chamber (63), the oil outlet (66) is communicated with the filtered chamber (64), the bottom wall of the unfiltered chamber (63) is provided with a slag outlet (67), the slag outlet (67) is arranged close to the filter screen (62), and the slag outlet (67) is in threaded connection with a collecting bottle (68).

9. Lubricating oil cooling device for gearbox of pulverizer as claimed in claim 8, wherein bottom wall of said unfiltered chamber (63) is funnel-shaped, and the slag outlet (67) is located at the lowest part of the bottom wall of the unfiltered chamber (63).

10. A mill gearbox oil cooling arrangement according to claim 8, characterized in that the collector bottle (68) is a transparent bottle.