CN219082204U - Vertical gear box and speed reducer - Google Patents

Abstract

The utility model relates to the technical field of gearboxes, in particular to a vertical gearbox and a speed reducer. The vertical gear box comprises a box body, a low-speed shaft, a high-speed shaft, a first bracket, a transparent cover, an oil seal, a second bracket and a gear pump, wherein the low-speed shaft and the high-speed shaft are both rotatably installed in the box body, and the high-speed shaft is positioned below the low-speed shaft. The first support is arranged on one side of the box body along the axial direction of the high-speed shaft, the transparent cover is arranged on the first support, and one end of the high-speed shaft penetrates out of the transparent cover. The oil seal is positioned in the transparent cover and sleeved on the high-speed shaft. The second support is arranged on the other side of the box body along the axial direction of the high-speed shaft, and the gear pump is arranged on the outer side of the second support, and the output end of the gear pump passes through the second support in a sealing way and is in transmission connection with the high-speed shaft. The bottom surfaces of the first bracket and the second bracket are lower than the bottom surface of the box body. The box body is suspended through the first support and the second support, so that air circulation at the bottom of the box body is increased, and the heating value of the box body is reduced. Meanwhile, an oil seal is arranged on the transparent cover, so that the box body is well sealed.

Description

Vertical gear box and speed reducer

Technical Field

The utility model relates to the technical field of gearboxes, in particular to a vertical gearbox and a speed reducer.

Background

Vertical gearboxes are widely used in various industrial equipment as important transmission components. In order to reduce the amount of heat generated by the vertical gearbox and the risk of oil leakage, the low speed shaft in the vertical gearbox is typically mounted below the high speed shaft.

At present, in the debugging and mounting process of the horizontal straightener, the motor of the horizontal straightener is low, so that the high-speed shaft transmission connection with the vertical gearbox is difficult to realize, and the existing vertical gearbox cannot meet the use condition of the horizontal straightener. When the low-speed shaft of a small part of the vertical gear box is arranged above the high-speed shaft, the problems of large overall heating value, more oil leakage and the like of the vertical gear box exist in the use process, and the normal operation of the vertical gear box is influenced.

Therefore, a vertical gearbox and a speed reducer are needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a vertical gear box and a speed reducer, so that a high-speed shaft of the vertical gear box is arranged below a low-speed shaft, and heat productivity and oil leakage risk of the vertical gear box are reduced.

The technical scheme adopted by the utility model is as follows:

a vertical gearbox comprising:

the low-speed shaft and the high-speed shaft are both rotatably arranged in the box body, and the high-speed shaft is positioned below the low-speed shaft;

the device comprises a box body, a first bracket, a transparent cover and an oil seal, wherein the first bracket is arranged on one side of the box body along the axial direction of the high-speed shaft, the transparent cover is arranged on the first bracket, and one end of the high-speed shaft penetrates out of the transparent cover; the oil seal is positioned in the transparent cover and sleeved on the high-speed shaft; and

the second bracket is arranged on the other side of the box body along the axial direction of the high-speed shaft, and the gear pump is arranged on the outer side of the second bracket, and the output end of the gear pump passes through the second bracket in a sealing way and is in transmission connection with the high-speed shaft; the bottom surfaces of the first bracket and the second bracket are lower than the bottom surface of the box body.

Preferably, the first bracket is flush with the bottom surface of the second bracket.

As a preferable scheme, the first bracket comprises a first vertical plate and a first flat plate, the first vertical plate is arranged on the first flat plate, a first hole is formed in the first vertical plate, and the spigot of the penetrating cover is penetrated in the first hole;

the second bracket comprises a second vertical plate and a second flat plate, the second vertical plate is arranged on the second flat plate, a second hole is formed in the second vertical plate, and the shell of the gear pump is installed in the second hole in a sealing mode.

Preferably, the first bracket further comprises a first rib plate, and the first rib plate is respectively connected with the first vertical plate and the first flat plate;

the second support further comprises a second rib plate, and the second rib plate is respectively connected with the second vertical plate and the second flat plate.

As a preferable scheme, a plurality of first mounting holes are formed in the first flat plate, and a plurality of second mounting holes are formed in the second flat plate.

Preferably, the transparent cover is provided with a central hole penetrating through the axial direction of the transparent cover, the central hole comprises a third hole and a fourth hole which are communicated, and the oil seal is positioned in the fourth hole.

Preferably, a sealing groove surrounding the circumference of the third hole is formed in the inner wall of the third hole in a concave manner; the oil hole is formed in the penetrating cover along the radial direction of the penetrating cover, the oil hole is communicated with the sealing groove, and lubricating grease can be filled in the oil hole.

Preferably, the vertical gear box further comprises:

the fan is sleeved at the end part of the high-speed shaft extending out of the first bracket; and

the fan housing is arranged on the box body and covers the fan.

As a preferable scheme, the fan housing comprises a first housing body and a second housing body which are communicated, wherein the first housing body is arranged on the box body, the second housing body is arranged on the fan in a covering mode, and the height of the first housing body is equal to that of the box body.

A speed reducer comprises the vertical gear box.

The beneficial effects of the utility model are as follows:

the vertical gear box provided by the utility model has the advantages that the high-speed shaft is positioned below the low-speed shaft so as to be in transmission connection with the horizontal straightener, and the use condition of the horizontal straightener is met. The first support and the second support are respectively arranged on two sides of the box body, and the bottom surfaces of the first support and the second support are lower than the bottom surface of the box body, so that the box body is suspended, the air circulation at the bottom of the box body is increased, the heat dissipation effect of the box body is improved, the efficient cooling of the box body is realized, and the heat productivity of the vertical gearbox is effectively reduced. Meanwhile, the oil seal is arranged on the transparent cover, so that the axial sealing of the high-speed shaft is realized, the lubricating oil in the box body is prevented from leaking along the gap between the high-speed shaft and the transparent cover, the oil leakage risk of the vertical gearbox is reduced, and the box body is well sealed.

The speed reducer provided by the utility model comprises the vertical gear box, and the high-speed shaft of the vertical gear box is positioned below the low-speed shaft so as to be in transmission connection with the horizontal straightener, thereby meeting the use condition of the horizontal straightener. The first support and the second support are respectively arranged on two sides of the box body, and the bottom surfaces of the first support and the second support are lower than the bottom surface of the box body, so that the box body is suspended, the air circulation at the bottom of the box body is increased, the heat dissipation effect of the box body is improved, the efficient cooling of the box body is realized, and the heat productivity of the vertical gearbox is effectively reduced. Meanwhile, the oil seal is arranged on the transparent cover, so that the axial sealing of the high-speed shaft is realized, the lubricating oil in the box body is prevented from leaking along the gap between the high-speed shaft and the transparent cover, the oil leakage risk of the vertical gearbox is reduced, and the box body is well sealed.

Drawings

FIG. 1 is a partial cross-sectional view of a vertical gearbox provided by an embodiment of the present utility model;

fig. 2 is a schematic structural view of a first bracket according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a schematic structural view of a second bracket according to an embodiment of the present utility model;

fig. 5 is a partial enlarged view at B in fig. 1.

The parts in the figures are named and numbered as follows:

1. a case; 2. a low speed shaft; 3. a high-speed shaft; 4. a first bracket; 41. a first riser; 410. a first hole; 42. a first plate; 420. a first mounting hole; 43. a first rib plate; 5. a transparent cover; 51. a spigot; 52. a central bore; 521. a third hole; 522. a fourth hole; 53. sealing grooves; 54. an oil hole; 6. an oil seal; 7. a second bracket; 71. a second riser; 710. a second hole; 72. a second plate; 720. a second mounting hole; 73. a second rib plate; 8. a gear pump; 81. a housing; 82. a coupling; 83. a flange shaft; 9. a fan housing; 91. a first cover; 92. a second cover; 921. a heat radiation hole; 10. a fan.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The embodiment provides a speed reducer, which comprises a vertical gear box and is mainly arranged on a horizontal straightener. Of course, the speed reducer can also be mounted on other equipment, and is not particularly limited herein.

In order to meet the use condition of the horizontal straightener, the low-speed shaft of the existing vertical gearbox is arranged above the high-speed shaft. In the use process, the vertical gear box has the problems of large heating value, oil leakage and the like, and the normal operation of the vertical gear box is influenced.

In order to solve the above problems, as shown in fig. 1 to 3, the present embodiment further proposes a vertical gearbox, which includes a box 1, a low-speed shaft 2, a high-speed shaft 3, a first bracket 4, a transparent cover 5, an oil seal 6, a second bracket 7 and a gear pump 8, wherein the low-speed shaft 2 and the high-speed shaft 3 are rotatably installed in the box 1, and the high-speed shaft 3 is located below the low-speed shaft 2. The first support 4 is arranged on one side of the box body 1 along the axial direction of the high-speed shaft 3, the transparent cover 5 is arranged on the first support 4, and one end of the high-speed shaft 3 penetrates out of the transparent cover 5. The oil seal 6 is positioned in the transparent cover 5 and sleeved on the high-speed shaft 3. The second bracket 7 is arranged on the other side of the box body 1 along the axial direction of the high-speed shaft 3, and the gear pump 8 is arranged on the outer side of the second bracket 7, and the output end of the gear pump passes through the second bracket 7 in a sealing way and is in transmission connection with the high-speed shaft 3. The bottom surfaces of the first bracket 4 and the second bracket 7 are lower than the bottom surface of the box body 1.

The high-speed shaft 3 of the vertical gear box of the embodiment is positioned below the low-speed shaft 2 so as to be in transmission connection with the horizontal straightener and meet the use condition of the horizontal straightener. The first support 4 and the second support 7 are respectively arranged on two sides of the box body 1, and the bottoms of the first support 4 and the second support 7 are lower than the bottom surface of the box body 1, so that the box body 1 is suspended, the air circulation at the bottom of the box body 1 is increased, the heat dissipation effect of the box body 1 is improved, the efficient cooling of the box body 1 is realized, and the heat productivity of the vertical gearbox is effectively reduced. Meanwhile, the oil seal 6 is arranged on the transparent cover 5, so that the axial sealing of the high-speed shaft 3 is realized, the lubricating oil in the box body 1 is prevented from leaking along the gap between the high-speed shaft 3 and the transparent cover 5, the oil leakage risk of the vertical gearbox is reduced, and the box body 1 is well sealed.

As shown in fig. 2 and 3, the first bracket 4 includes a first riser 41 and a first flat plate 42, the first riser 41 is disposed on the first flat plate 42, and a first hole 410 is formed in the first riser 41, and a spigot 51 of the transparent cover 5 is inserted into the first hole 410, so that the transparent cover 5 and the first hole 410 are concentrically mounted through the spigot 51, and the mounting precision of the transparent cover 5 is improved. One end of the high-speed shaft 3 penetrates out of the transparent cover 5 and can be in transmission connection with the output end of the horizontal straightener.

As shown in fig. 3, the transparent cover 5 is provided with a central hole 52 penetrating through the axial direction of the transparent cover, the central hole 52 comprises a third hole 521 and a fourth hole 522 which are communicated, and the oil seal 6 is positioned in the fourth hole 522. The oil seal 6 can realize the axial sealing of the high-speed shaft 3, and prevent the lubricating oil in the box body 1 from leaking to the outside of the box body 1 from the position between the transparent cover 5 and the high-speed shaft 3. The oil seal 6 of this embodiment is a skeleton oil seal, is convenient to install and has good wear resistance.

Specifically, the central hole 52 of the transparent cover 5 is a stepped hole, and the inner diameter of the third hole 521 is smaller than the inner diameter of the fourth hole 522, so that a stepped surface is formed between the third hole 521 and the fourth hole 522, and the oil seal 6 is abutted against the stepped surface and is located in the fourth hole 522, thereby realizing reliable installation of the oil seal 6.

Further, as shown in fig. 3, the inner wall of the third hole 521 is concavely formed with a seal groove 53 surrounding the circumference of the third hole 521. The through cap 5 is provided with an oil hole 54 in a radial direction thereof, the oil hole 54 communicates with the seal groove 53, and the oil hole 54 can be filled with grease. Grease can enter the seal groove 53 to circumferentially distribute around the high-speed shaft 3, so that the tightness of the transparent cover 5 is further improved, leakage of lubricating oil in the box body 1 is avoided, meanwhile, external dust and the like can be prevented from entering the box body 1, and a good sealing and dust-proof effect is achieved.

As shown in fig. 4 and 5, the second bracket 7 includes a second vertical plate 71 and a second flat plate 72, the second vertical plate 71 is disposed on the second flat plate 72, a second hole 710 is formed in the second vertical plate 71, the gear pump 8 is mounted on the housing 81, and the housing 81 is mounted in the second hole 710 in a sealing manner. Specifically, the housing 81 is mounted on the second hole 710 by bolts to achieve a sealed mounting of the housing 81 and the second hole 710. The output end of the gear pump 8 is connected with a coupling 82, and the coupling 82 is connected with the end part of the high-speed shaft 3 far away from the transparent cover 5 through a flange shaft 83. The gear pump 8 conveys the lubricating oil in the box 1 to the area to be lubricated through structural members such as steel pipes, pipe connectors and the like so as to realize good lubrication in the box 1. The flange shaft 83 is axially fixedly connected with the end of the high-speed shaft 3 through a perforated bolt, and a plurality of perforated bolts are serially connected through serial steel wires, so that the looseness prevention of the perforated bolts is ensured.

As shown in fig. 1, 2 and 4, the first riser 41 and the second riser 71 are fixedly installed on two opposite sides of the case 1 through cylindrical pins and bolts, so as to realize reliable connection between the first bracket 4 and the second bracket 7 and the case 1. The first bracket 4 further includes a first rib 43, and the first rib 43 is connected to the first riser 41 and the first flat plate 42, respectively. The second bracket 7 further includes a second rib 73, and the second rib 73 is connected to the second riser 71 and the second plate 72, respectively. By additionally installing the rib plates, the structural strength of the first bracket 4 and the second bracket 7 is improved, and the stable installation of the vertical gear box is facilitated.

As shown in fig. 2 and 4, the first plate 42 is provided with a plurality of first mounting holes 420, and the second plate 72 is provided with a plurality of second mounting holes 720. The anchor bolts are respectively inserted into the corresponding first mounting holes 420 and the second mounting holes 720 to lock the first bracket 4 and the second bracket 7 in a designated area. The first plate 42 and the second plate 72 are fastened and installed through foundation bolts, so that the stability of installation of the vertical gearbox is improved.

Further, the first support 4 is flush with the bottom surface of the second support 7, and the box 1 is mounted in a designated area through the first support 4 and the second support 7, so that the horizontal mounting of the box 1 is realized.

As shown in fig. 1, the vertical gearbox further comprises a fan 10 and a fan cover 9, the fan 10 is sleeved at the end part of the high-speed shaft 3 extending out of the first bracket 4, and the fan cover 9 is arranged on the box body 1 and covered on the fan 10. The fan 10 can be driven to synchronously rotate when the high-speed shaft 3 rotates so as to increase the cooling of the box body 1 and effectively reduce the temperature rise of the box body 1. The fan housing 9 can isolate the fan 10 from the external environment to ensure safe and stable rotation of the fan 10.

Specifically, the fan housing 9 includes a first housing 91 and a second housing 92 that are connected, the first housing 91 is disposed on the casing 1, the second housing 92 is disposed on the fan 10, and the height of the first housing 91 is equal to the height of the casing 1. Air blown by the fan 10 can be blown toward the side wall of the case 1 through the first cover 91. Since the height of the first cover 91 is equal to the height of the box 1, the contact area between the first fan cover 9 and the side wall of the box 1 is increased, so that the air blown by the fan 10 blows to the box 1 as much as possible, the heat dissipation area of the box 1 is increased, and the heat dissipation effect of the fan 10 is improved. It will be appreciated that the first hood 9 of the present embodiment completely covers one side wall of the cabinet 1.

Further, the second cover 92 is provided with a plurality of heat dissipation holes 921 to increase the flow of air in the air cover 9, accelerate the convection of air inside and outside the air cover 9, quickly exhaust the air after absorbing the heat of the box 1 out of the air cover 9, and simultaneously, the air outside is quickly blown to the box 1 under the action of the fan 10, thereby improving the heat dissipation effect of the fan 10.

The first shafting, the second shafting and the third shafting are installed in the box 1, and the first shafting mainly comprises a low-speed shaft 2 (i.e. an output shaft), a bearing, a gear, a distance ring and the like. The second shaft mainly comprises a middle gear shaft, gears, bearings and an adjusting ring. The third shaft system mainly comprises a high-speed shaft 3 (i.e. an input shaft), a transparent cover 5, an oil seal 6, an adjusting ring, a bearing sleeve, a bearing, a shaft sleeve and the like. Because the composition and the assembly relation of each shafting in the vertical gear box are all in the prior art, the description is not repeated here.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A vertical gearbox, comprising:

the device comprises a box body (1), a low-speed shaft (2) and a high-speed shaft (3), wherein the low-speed shaft (2) and the high-speed shaft (3) are rotatably arranged in the box body (1), and the high-speed shaft (3) is positioned below the low-speed shaft (2);

the high-speed shaft comprises a first bracket (4), a transparent cover (5) and an oil seal (6), wherein the first bracket (4) is arranged on one side of the box body (1) along the axial direction of the high-speed shaft (3), the transparent cover (5) is arranged on the first bracket (4), and one end of the high-speed shaft (3) penetrates out of the transparent cover (5); the oil seal (6) is positioned in the transparent cover (5) and sleeved on the high-speed shaft (3); and

the gear pump (8) is arranged on the outer side of the second bracket (7), and the output end of the gear pump passes through the second bracket (7) in a sealing way and is in transmission connection with the high-speed shaft (3); the bottom surfaces of the first bracket (4) and the second bracket (7) are lower than the bottom surface of the box body (1).

2. A vertical gearbox according to claim 1, characterised in that the first bracket (4) is flush with the bottom surface of the second bracket (7).

3. The vertical gearbox according to claim 1, wherein the first bracket (4) comprises a first vertical plate (41) and a first flat plate (42), the first vertical plate (41) is arranged on the first flat plate (42), a first hole (410) is formed in the first vertical plate (41), and a spigot (51) of the transparent cover (5) penetrates through the first hole (410);

the second bracket (7) comprises a second vertical plate (71) and a second flat plate (72), the second vertical plate (71) is arranged on the second flat plate (72), a second hole (710) is formed in the second vertical plate (71), and a shell (81) of the gear pump (8) is mounted in the second hole (710) in a sealing mode.

4. A vertical gearbox according to claim 3, characterised in that the first bracket (4) further comprises a first web (43), the first web (43) being connected to the first riser (41) and the first plate (42), respectively;

the second bracket (7) further comprises a second rib plate (73), and the second rib plate (73) is respectively connected with the second vertical plate (71) and the second flat plate (72).

5. The vertical gearbox of claim 4, wherein the first plate (42) has a plurality of first mounting holes (420) formed therein and the second plate (72) has a plurality of second mounting holes (720) formed therein.

6. The vertical gearbox according to claim 1, wherein the transparent cover (5) is provided with a central hole (52) penetrating through the axial direction of the transparent cover, the central hole (52) comprises a third hole (521) and a fourth hole (522) which are communicated, and the oil seal (6) is positioned in the fourth hole (522).

7. The vertical gearbox according to claim 6, characterized in that the inner wall of the third bore (521) is concavely formed with a sealing groove (53) circumferentially surrounding the third bore (521); the oil hole (54) is formed in the penetrating cover (5) along the radial direction of the penetrating cover, the oil hole (54) is communicated with the sealing groove (53), and lubricating grease can be filled in the oil hole (54).

8. The vertical gearbox of claim 1, further comprising:

a fan (10) sleeved at the end part of the high-speed shaft (3) extending out of the first bracket (4); and

and the fan cover (9) is arranged on the box body (1) and covers the fan (10).

9. The vertical gearbox according to claim 8, wherein the fan housing (9) comprises a first housing (91) and a second housing (92) which are communicated, the first housing (91) is arranged on the box body (1), the second housing (92) is arranged on the fan (10) in a covering manner, and the height of the first housing (91) is equal to the height of the box body (1).

10. A speed reducer comprising a vertical gearbox according to any one of claims 1 to 9.

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