CN216045377U

CN216045377U - Dual-circulation heat exchange element

Info

Publication number: CN216045377U
Application number: CN202122606730.4U
Authority: CN
Inventors: 张一晨; 马孝忠; 李凯军; 谈晓柯
Original assignee: Jiangsu Guomao Reducer Group Co ltd
Current assignee: Jiangsu Guomao Reducer Group Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-15
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the technical field of speed reducers, and particularly discloses a dual-circulation heat exchange element which comprises a mounting side plate and a heat exchange element shell, wherein the mounting side plate is mounted on a speed reducer, the heat exchange element shell is fixedly connected to the mounting side plate and is in contact with the shell of the speed reducer, the top and the bottom of the inner cavity of the heat exchange element shell are fixedly connected with a tube plate and a side plate, a closed oil inlet cavity, a closed oil outlet cavity and a closed cooling water cavity are formed among the tube plate, the side plate and the heat exchange element shell which are positioned in the inner cavity of the heat exchange element shell, and lubricating oil tubes for conveying lubricating oil are fixedly connected to the opposite positions of the two tube plates; compared with a lubricating oil forced cooling mode, the device has smaller and more regular overall size, does not need to consider the problem of the appearance installation size of the speed reducer, and achieves the effect of wider application range while ensuring the heat exchange efficiency.

Description

Dual-circulation heat exchange element

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a double-circulation heat exchange element.

Background

The speed reducer is a machine for reducing the speed of power which is generated by a motor or an internal combustion engine and runs at a high speed through the transmission matching of a worm and a gear, and has irreplaceable important functions in industries such as metallurgy, coal, building materials, ships, water conservancy, electric power, engineering machinery, petrifaction and the like.

When the existing speed reducer works in a high-power or high-environment-temperature occasion, the internal temperature of the speed reducer is often high, and the situation that internal parts are cracked easily occurs after long-time work, so that the internal part of the speed reducer is often cooled by a built-in coil pipe cooling or lubricating oil forced lubrication cooling mode.

When the built-in coil is adopted for cooling, the heat exchange area is small due to the limited size of the inner cavity of the speed reducer and the fact that the coil needs to avoid gears; when lubricating oil is adopted for forced lubrication and cooling, the external installation size of the speed reducer is limited, for example, the Chinese patent publication: a technology disclosed in a gear speed reducer case (No. CN 202023012282.7) with good heat dissipation performance is characterized in that a heat dissipation element dissipating heat through air cooling is mounted on the outer portion of a speed reducer and is large in size, when the space where the speed reducer is located is narrow, the heat dissipation element cannot be mounted on the surface of the speed reducer to cool the speed reducer, and the heat dissipation efficiency cannot meet the use requirement of the speed reducer, so that the two heat exchange modes have certain limitations in the actual use process, meanwhile, a cooling coil joint and a cooler are mounted with a case body or a cover plate through external bolts, and the case body or the cover plate is easily penetrated by screws to cause oil leakage.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a dual-cycle heat exchange element which has the advantages of more reasonable size and high heat exchange efficiency, and solves the problems that the existing heat exchange elements are mostly limited by the size and the components in a speed reducer, the installation is inconvenient, and the heat exchange efficiency is not high.

The double-circulation heat exchange element comprises a mounting side plate mounted on a speed reducer and a heat exchange element shell fixedly connected to the mounting side plate and in contact with a speed reducer shell, wherein the top and the bottom of an inner cavity of the heat exchange element shell are fixedly connected with a tube plate and a side plate, a closed oil inlet cavity, a closed oil outlet cavity and a closed cooling water cavity are formed among the tube plate positioned in the inner cavity of the heat exchange element shell, the side plate and the heat exchange element shell, lubricating oil tubes used for conveying lubricating oil are fixedly connected to the opposite positions of the two tube plates, and two ends of each lubricating oil tube extend into the oil inlet cavity and the oil outlet cavity respectively to communicate the oil inlet cavity with the oil outlet cavity.

Through the technical scheme design, when the internal temperature of the speed reducer needs to be reduced, under the condition that external cooling water enters the cooling water cavity, lubricating oil from the speed reducer is soaked in the lubricating oil pipe in the cooling water to bring the internal temperature of the lubricating oil into the cooling water, and the cooled lubricating oil is sent into the speed reducer, meanwhile, the continuously circulating cooling water can also bring the heat in the cooling water to the outside, and efficient heat exchange can be realized without using an overlarge size, compared with the heat dissipation of a built-in coil pipe, the whole device arranged outside does not need to consider the position of a gear and has higher heat exchange efficiency, compared with a mode of forced cooling of the lubricating oil, the size of the whole device is smaller and more regular, the problem of the appearance installation size of the speed reducer does not need to be considered, and the effect of wider application range is realized while the heat exchange efficiency is ensured, meanwhile, the device can be integrally installed on the surface of the reducer shell only through the installation side plate arranged on the reducer shell, the smaller size is more convenient to install, and the risk of oil leakage is reduced.

Preferably, a plurality of baffling baffle of the equal fixedly connected with in inner chamber both sides of heat exchange element shell, and the baffling baffle of both sides is the crisscross form of dog and distributes, the both ends welding of lubricated oil pipe is on the surface of tube sheet, and the both ends of lubricated oil pipe stretch out the tube sheet and stick out to in oil feed chamber and the oil pocket, the both ends of lubricated oil pipe not with the inner wall fixed connection of heat exchange element shell, the whole snakelike distribution that is of lubricated oil pipe, and be snakelike lubricated oil pipe and distribute in the baffling baffle's of the crisscross distribution of dog's tooth space, lubricated oil pipe does not contact with baffling baffle.

Through the design of the technical scheme, when the cooling water flows in the cooling water cavity, the flow length of the cooling water can be prolonged through the baffle plate, the turbulence degree of the cooling water during passing can be enhanced, and the lubricating oil in the lubricating oil pipe can be in contact with the cooling water through the lubricating oil pipe for a longer time, so that the heat exchange efficiency is higher.

Preferably, the number of the lubricating oil tubes is two, and the two lubricating oil tubes are distributed inside the heat exchange element housing in a state of being overlapped in front.

Through the design of the technical scheme, the flow velocity of the lubricating oil can be improved, and the heat exchange efficiency is further improved.

Preferably, four bosses with hollow interiors are fixedly connected to the front face of the heat exchange element shell and communicated with the water inlet, the water outlet, the oil inlet and the oil outlet respectively, an external screw hole connector is arranged on the surface of one of the four bosses communicated with the water inlet and the water outlet, and internal threads are arranged inside the boss communicated with the oil inlet and the oil outlet.

Through the design of the technical scheme, the external equipment pipeline can be conveniently connected, the strength after connection is ensured, and the leakage is avoided.

Preferably, one surface of the heat exchange element shell, which is attached to the speed reducer shell, is provided with heat dissipation fins, and the heat dissipation fins extend into the speed reducer shell.

Through the design of the technical scheme, the heat dissipation area of the lubricating oil in the speed reducer box is increased, so that the lubricating oil can be dissipated through the lubricating oil pipe, meanwhile, the heat of the lubricating oil can be absorbed through the heat dissipation fins, and the heat absorption efficiency is further stably improved.

Preferably, an oil inlet and an oil outlet communicated with the outside are arranged in the oil inlet cavity and the oil outlet cavity, and a water inlet and a water outlet communicated with the outside are arranged in the cooling water cavity.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can soak the lubricating oil from the speed reducer in the lubricating oil pipe in the cooling water to bring the temperature inside the lubricating oil into the cooling water and send the cooled lubricating oil into the speed reducer under the condition that external cooling water enters the cooling water cavity by the heat exchange element shell, the lubricating oil pipe, the oil inlet cavity, the oil outlet cavity and the cold water cavity, and meanwhile, the continuously circulating cooling water can also bring the heat in the cooling water to the outside, so that high-efficiency heat exchange can be realized without using overlarge size, compared with the heat dissipation of the built-in coil pipe, the whole device arranged outside does not need to consider the position of a gear and has higher heat exchange efficiency, compared with the forced cooling mode of the lubricating oil, the size of the whole device is smaller and more regular, and the problem of the appearance installation size of the speed reducer does not need to be considered, the effect that the application scope is wider is realized when guaranteeing the heat exchange efficiency, simultaneously, only need can install whole at the retarder housing surface through the installation curb plate that sets up at retarder housing, and it is more convenient that also the installation of littleer volume has reduced the risk of oil leak.

2. According to the utility model, through the serpentine lubricating oil pipe and the baffling baffle, when cooling water flows in the cooling water cavity, the flow length of the cooling water can be prolonged through the baffling baffle, and simultaneously the turbulence degree of the cooling water when the cooling water passes through can be enhanced, so that the lubricating oil in the lubricating oil pipe can be in contact with the cooling water for a longer time through the lubricating oil pipe, the heat exchange efficiency is higher, through the design of the heat radiating fins, the heat radiating area of the lubricating oil in the speed reducer box body is increased, the lubricating oil can be radiated through the lubricating oil pipe, meanwhile, the heat of the lubricating oil can be absorbed through the heat radiating fins, and the heat absorbing efficiency is further stably improved.

Drawings

FIG. 1 is a schematic view of a back cross-sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of a rear view structure of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a schematic structural view of the present invention when mounted on a reduction gear.

In the figure: installing the side plate 1; a heat exchange element housing 2; a tube sheet 3; a side plate 4; an oil inlet cavity 5; an oil outlet cavity 6; a cooling water chamber 7; a lubricating oil pipe 8; a baffle plate 9; a boss 10; and heat radiating fins 11.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The present invention is described in further detail below. The following examples are merely illustrative of the present invention and do not represent or limit the scope of the claims, which are defined by the claims.

In this embodiment, as shown in fig. 1-5, the dual cycle heat exchange element of the present invention includes a mounting side plate 1 mounted on a speed reducer and a heat exchange element housing 2 fixedly connected to the mounting side plate 1 and contacting with the speed reducer housing, wherein the top and bottom of the inner cavity of the heat exchange element housing 2 are both fixedly connected with a tube plate 3 and a side plate 4, and a closed oil inlet cavity 5, a closed oil outlet cavity 6 and a closed cooling water cavity 7 are formed between the tube plate 3 and the side plate 4 located in the inner cavity of the heat exchange element housing 2 and the heat exchange element housing 2, a lubricating oil pipe 8 for conveying lubricating oil is fixedly connected at the opposite position of the two tube plates 3, and two ends of the lubricating oil pipe 8 respectively extend into the oil inlet cavity 5 and the oil outlet cavity 6 to communicate the oil inlet cavity 5 with the oil outlet cavity 6, oil inlets and oil outlets communicated with the outside are respectively arranged inside the oil inlet cavity 5 and the oil outlet cavity 6, the cooling water cavity 7 is internally provided with a water inlet and a water outlet which are communicated with the outside.

Through the heat exchange element shell 2, the lubricating oil pipe 8, the oil inlet cavity 5, the oil outlet cavity 6 and the cooling water cavity 7, when the internal temperature of the speed reducer needs to be cooled, under the condition that external cooling water enters the cooling water cavity 7, lubricating oil from the speed reducer is soaked in the lubricating oil pipe 8 in the cooling water to bring the internal temperature of the lubricating oil into the cooling water, and the cooled lubricating oil is sent into the speed reducer, meanwhile, the continuously circulating cooling water can also bring the heat in the cooling water to the outside, so that efficient heat exchange can be realized without using an overlarge size, compared with the heat dissipation of a built-in coil, the whole externally arranged device does not need to consider the position of a gear and has higher heat exchange efficiency, and compared with a mode of forced cooling of the lubricating oil, the whole device has smaller and more regular size, and does not need to consider the problem of the appearance installation size of the speed reducer, realized guaranteeing the heat exchange efficiency simultaneously, the wider effect of application scope, simultaneously, only need through setting up installation curb plate 1 at the retarder housing can install whole at the retarder housing surface with the device, it is more convenient that also the installation of littleer volume has reduced the risk of oil leak.

Please refer to fig. 1, both sides of the inner cavity of the heat exchange element housing 2 are fixedly connected with a plurality of baffle plates 9, and the baffle plates 9 on both sides are distributed in a zigzag shape, both ends of the lubricant tube 8 are welded on the surface of the tube plate 3, and both ends of the lubricant tube 8 extend out of the tube plate 3 and protrude into the oil inlet chamber 5 and the oil outlet chamber 6, both ends of the lubricant tube 8 are not fixedly connected with the inner wall of the heat exchange element housing 2, the lubricant tube 8 is distributed in a zigzag shape as a whole, and the lubricant tube 8 in a zigzag shape is distributed in the gaps of the baffle plates 9 distributed in a zigzag shape, and the lubricant tube 8 is not contacted with the baffle plates 9.

Through snakelike lubricated oil pipe 8 and baffling baffle 9 for the cooling water can prolong the flow length of cooling water via baffling baffle 9 when the inside of cooling water chamber 7 flows, also can strengthen the turbulent motion degree when the cooling water passes through simultaneously, lets the lubricating oil that is in lubricated oil pipe 8 can separate lubricated oil pipe 8 contact more for a long time and heat exchange efficiency is higher with the cooling water.

Referring to fig. 2, the number of the lubricating oil tubes 8 is two, and the two lubricating oil tubes 8 are distributed inside the heat exchange element housing 2 in a state of being overlapped in front.

Through two lubricating oil pipe 8 for can improve the velocity of flow of lubricating oil, further improve heat exchange efficiency.

Referring to fig. 1, four bosses 10 with hollow interior are fixedly connected to the front surface of a heat exchange element housing 2, the four bosses 10 are respectively communicated with a water inlet, a water outlet, an oil inlet and an oil outlet, an external screw joint is arranged on the surface of the boss 10 communicated with the water inlet and the water outlet among the four bosses 10, and an internal screw is arranged inside the boss 10 communicated with the oil inlet and the oil outlet.

Through the boss 10, the external equipment pipeline can be conveniently connected, the strength after connection is ensured, and the leakage is avoided.

Referring to fig. 3-4, the heat dissipating fins 11 are disposed on the surface of the heat exchanging element housing 2 that is attached to the reducer housing, and the heat dissipating fins 11 extend into the reducer housing.

Through radiating fin 11's design, then increased the heat radiating area of lubricating oil in the speed reducer box for when radiating through lubricating oil pipe 8 to lubricating oil, also can absorb the heat of lubricating oil via radiating fin 11, further stable improvement heat absorption efficiency.

In the use of the utility model: after inserting radiating fin 11 in the reducer housing, install curb plate 1 on the reducer housing through the screw, and then dock the lubricating oil circulating line of external cooling water circulating line and speed reducer with boss 10 that corresponds, when needing to dispel the heat to the reducer inside, then start external electrical equipment, come to carry out circulation transportation to lubricating oil and cooling water, the lubricating oil that gets into in lubricating oil pipe 8 can be by the cooling water absorption heat in cooling water cavity 7, the heat of conducting out in radiating fin 11 also can be taken away to the cooling water in cooling water cavity 7 simultaneously, and the cooling water in cooling water cavity 7 then circulates through water inlet and delivery port under the effect of external equipment, constantly take out the lubricating oil heat in the speed reducer to the external world, the efficient is cooled down for the speed reducer.

The applicant asserts that the description herein of "first," "second," etc. is for descriptive purposes only, and not for purposes of particular ordinal or sequential meaning, nor for limiting the utility model, but merely for purposes of distinguishing between components or operations described in the same technical language, and not for purposes of indicating or implying any relative importance or implied number of such indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a dual cycle heat transfer component, is including installing installation curb plate (1) and fixed connection on the speed reducer and heat transfer component shell (2) that contact with the speed reducer shell on installation curb plate (1), its characterized in that: the top and the bottom of the inner cavity of the heat exchange element shell (2) are fixedly connected with a tube plate (3) and a side plate (4), and a closed oil inlet cavity (5), a closed oil outlet cavity (6) and a closed cooling water cavity (7) are formed among the tube plate (3) and the side plate (4) which are positioned in the inner cavity of the heat exchange element shell (2) and the heat exchange element shell (2);

and the opposite positions of the two tube plates (3) are fixedly connected with lubricating oil tubes (8) used for conveying lubricating oil, and the two ends of each lubricating oil tube (8) extend to the oil inlet cavity (5) and the oil outlet cavity (6) respectively to communicate the oil inlet cavity (5) with the oil outlet cavity (6).

2. A dual cycle heat exchange element according to claim 1 wherein: the inner cavity of the heat exchange element shell (2) is fixedly connected with a plurality of baffle plates (9) on two sides, and the baffle plates (9) on two sides are distributed in a dog-tooth staggered manner.

3. A dual cycle heat exchange element according to claim 1 wherein: the two ends of the lubricating oil pipe (8) are welded on the surface of the tube plate (3), the two ends of the lubricating oil pipe (8) extend out of the tube plate (3) and protrude into the oil inlet cavity (5) and the oil outlet cavity (6), and the two ends of the lubricating oil pipe (8) are not fixedly connected with the inner wall of the heat exchange element shell (2).

4. A dual cycle heat exchange element according to claim 1 wherein: lubricating oil pipe (8) are whole to be snakelike and distribute, and are snakelike lubricating oil pipe (8) and distribute in the space of baffling baffle (9) that dog tooth staggered distribution, lubricating oil pipe (8) do not contact with baffling baffle (9).

5. A dual cycle heat exchange element according to claim 1 wherein: the number of the lubricating oil pipes (8) is two, and the two lubricating oil pipes (8) are distributed in the heat exchange element shell (2) in a state that the front surfaces of the lubricating oil pipes coincide with each other.

6. A dual cycle heat exchange element according to claim 1 wherein: the front surface of the heat exchange element shell (2) is fixedly connected with four bosses (10) with hollow interior, and the four bosses (10) are respectively communicated with the water inlet, the water outlet, the oil inlet and the oil outlet.

7. A dual cycle heat exchange element according to claim 6 wherein: in the four bosses (10), the surfaces of the bosses (10) communicated with the water inlet and the water outlet are provided with outer screw hole joints, and the interiors of the bosses (10) communicated with the oil inlet and the oil outlet are provided with internal threads.

8. A dual cycle heat exchange element according to claim 1 wherein: one side of the heat exchange element shell (2) attached to the speed reducer shell is provided with heat radiating fins (11), and the heat radiating fins (11) extend to the inside of the speed reducer shell.

9. A dual cycle heat exchange element according to claim 1 wherein: the oil inlet cavity (5) and the oil outlet cavity (6) are internally provided with an oil inlet and an oil outlet communicated with the outside, and the cooling water cavity (7) is internally provided with a water inlet and a water outlet communicated with the outside.