CN214946304U

CN214946304U - Gear box for steel tube rolling mill

Info

Publication number: CN214946304U
Application number: CN202121401333.7U
Authority: CN
Inventors: 孙悦
Original assignee: Nanjing Delun Heavy Duty Gear Box Co ltd
Current assignee: Nanjing Delun Heavy Duty Gear Box Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-30
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a gear box for a steel pipe rolling mill, which comprises a motor box, wherein the middle part of the motor box is provided with a fixed baffle, the left side of the fixed baffle is provided with a motor body, an elastic cushion block is arranged between the outer side of the motor body and the motor box, the upper part of the elastic cushion block faces to the space between the motor body, a gland is inserted into the gap, the motor body is supported by the elastic cushion block, the gland is pressed by rotating a locking bolt, and then the motor body is fixed, a ventilation net plays the purpose of heat dissipation and ventilation, the input shaft and the output shaft are both stressed by two forces which are mutually centrosymmetric when power is output due to the arrangement of a transmission bevel gear, the stress of the input bevel gear and the output bevel gear is balanced, the abrasion at the gear is reduced, the service life of the gear is greatly prolonged, simultaneously, lubricating oil is injected through an oil inlet, the inclined plane at the bottom surface enables scraps to be deposited near a cock through a filter screen, convenient unified clearance.

Description

Gear box for steel tube rolling mill

Technical Field

The utility model relates to a gear box field specifically is a gear box for steel pipe rolling mill.

Background

The rolling mill is equipment for realizing a metal rolling process, and generally refers to equipment for completing the whole process of rolled material production, and the equipment comprises main equipment, auxiliary equipment, hoisting and transporting equipment, auxiliary equipment and the like.

Need the motor to provide power in process of production, when the rotation of motor carries out the diversion, firm support is the important prerequisite of guaranteeing the diversion output, carries out driven in-process at the gear and leads to the wearing and tearing aggravation of gear because unilateral atress, greatly reduced its life. Therefore, the utility model provides a gear box for steel pipe rolling mill to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear box for steel pipe rolling mill to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gear box for a steel pipe mill comprises a motor box, wherein a fixed partition plate is arranged in the middle of the motor box, a motor body is arranged on the left side of the fixed partition plate, an elastic cushion block is arranged between the outer side of the motor body and the motor box, a gap is reserved between the upper half part of the elastic cushion block and the motor body, a gland is inserted into the gap, a first upper cover is arranged above the gland and pressed on the gland through a locking bolt, a second upper cover is arranged on the upper right side of the motor box, and the first upper cover and the second upper cover are both fixed on the motor box and the fixed partition plate through fixing bolts;

the left side and the left downside of motor case all are equipped with the ventilation net, and the ventilation net is kept away from to the cushion block for motor body direct contact outside air, conveniently conduct heat, motor body coupling input shaft, the end connection of input shaft has input bevel gear, and input bevel gear vertical meshing has output bevel gear, and output bevel gear connects the output shaft, and input bevel gear meshing has transmission bevel gear, and transmission bevel gear is two intermeshing's bevel gear and constitutes, and a bevel gear meshing output bevel gear in the transmission bevel gear, transmission bevel gear passes through bearing rotation and connects on the fixed column, and the fixed column is fixed on the motor incasement wall, the upside of upper cover one is equipped with the oil inlet, and the right downside of motor case is equipped with unloads the hydraulic fluid port, unloads hydraulic fluid port department and is equipped with the cock.

As a further proposal of the utility model, the lower side of the upper cover II is provided with a sealing gasket, and the contact surface of the upper cover II and the upper cover I is a step surface, which makes the upper cover I clamped conveniently.

As the utility model discloses scheme further again, the upside of gland corresponds the locking bolt and is equipped with circular recess, and the gland is equipped with the cushion towards one side of motor body for stability after the locking is better.

As the utility model discloses further scheme again, the diameter of fixed column is greater than the still one diameter of input shaft or output shaft for transmission bevel gear's difficult swing during the transmission.

As the utility model discloses scheme further again, the right side downside slope of the bottom fixed stop of motor case right, and just there is the filter screen to oil discharge port department joint for the piece passes through the filter screen and deposits near the cock, convenient unified clearance.

As the utility model discloses scheme further again, the left part lower extreme of gland inclines to motor body, and the first one half also slope in left side of resilient cushion sets up for can fix motor body when compressing tightly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an elastic cushion supports motor body, pushes down the gland through rotating the locking bolt, and then fixes motor body, and the mesh that ventilates plays the heat dissipation and ventilation.

2. The setting of transmission bevel gear makes power when exporting, and input shaft and output shaft all receive two and be centrosymmetric's power each other, and balanced input bevel gear and output bevel gear's atress reduce the wearing and tearing of gear department, improve its life greatly.

3. The utility model discloses an oil inlet pours into lubricating oil into, and the inclined plane of bottom surface makes the piece deposit near the cock through the filter screen, convenient unified clearance.

Drawings

FIG. 1 is a schematic front view of a gear box for a steel tube rolling mill.

FIG. 2 is a schematic view of the structure A-A in FIG. 1.

FIG. 3 is a schematic structural view of a motor box in a gear box for a steel tube rolling mill.

In the figure: 1. a motor case; 2. fixing the partition board; 3. a motor body; 4. an input shaft; 5. an output shaft; 6. an input bevel gear; 7. an output bevel gear; 8. a drive bevel gear; 9. a cock; 10. fixing a column; 11. a first upper cover; 12. a second upper cover; 13. fixing the bolt; 14. locking the bolt; 15. a gland; 16. a ventilation net; 17. an oil inlet; 18. a filter screen; 19. and the elastic cushion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a gear box for a steel pipe mill includes a motor box 1, a fixed partition plate 2 is disposed in the middle of the motor box 1, a motor body 3 is disposed on the left side of the fixed partition plate 2, an elastic cushion block 19 is disposed between the outer side of the motor body 3 and the motor box 1, a gap is left between the upper half of the elastic cushion block 19 and the motor body 3, a gland 15 is inserted into the gap, a first cover 11 is disposed above the gland 15, the first cover 11 is pressed on the gland 15 by a locking bolt 14, a second cover 12 is disposed on the upper right side of the motor box 1, both the second cover 12 and the first cover 11 are fixed on the motor box 1 and the fixed partition plate 2 by a fixing bolt 13, a sealing gasket is disposed on the lower side of the second cover 12, and a contact surface between the second cover 12 and the first cover 11 is a step surface, which facilitates clamping of the first cover 11, a circular groove is disposed on the upper side of the gland 15 corresponding to the locking bolt 14, an elastic pad is arranged on one side of the gland 15 facing the motor body 3, so that the locked stability is better;

the motor box comprises a motor box 1, wherein the left side and the lower left side of the motor box 1 are respectively provided with a ventilation net 16, an elastic cushion block 19 avoids the ventilation net 16, so that the motor body 3 is in direct contact with the outside air and facilitates heat transfer, the motor body 3 is connected with an input shaft 4, the end part of the input shaft 4 is connected with an input bevel gear 6, the input bevel gear 6 is vertically meshed with an output bevel gear 7, the output bevel gear 7 is connected with an output shaft 5, the input bevel gear 6 is meshed with a transmission bevel gear 8, the transmission bevel gear 8 consists of two mutually meshed bevel gears, one bevel gear in the transmission bevel gear 8 is meshed with the output bevel gear 7, the transmission bevel gear 8 is rotatably connected onto a fixed column 10 through a bearing, the fixed column 10 is fixed on the inner wall of the motor box 1, the diameter of the fixed column 10 is larger than the diameter of the input shaft 4 or the output shaft 5, so that the transmission bevel gear 8 is not easy to swing during transmission, and the upper side of an upper cover 11 is provided with an oil inlet 17, the right downside of motor case 1 is equipped with the hydraulic fluid port of unloading, and the hydraulic fluid port department of unloading is equipped with cock 9, the right downside of the bottom fixed stop 2 of motor case 1 inclines to the right, and just has filter screen 18 to the joint of hydraulic fluid port department of unloading for the piece passes through filter screen 18 and deposits near cock 9, convenient unified clearance, the left part lower extreme of gland 15 inclines to motor body 3, and first one first slope setting in left side of elastic cushion block 19 also for can fix motor body 3 when compressing tightly.

The utility model discloses a theory of operation is: during the use, support motor body 3 through elastic cushion 19, push down gland 15 through rotating locking bolt 14, and then fix motor body 3, the mesh 16 that ventilates plays the purpose of heat dissipation and ventilation, transmission bevel gear 8's setting makes power when the output, input shaft 4 and output shaft 5 all receive two each other and are centrosymmetric's force, balanced input bevel gear 6 and output bevel gear 7's atress, reduce the wearing and tearing of gear department, improve its life greatly, pour into lubricating oil into through oil inlet 17 simultaneously, the inclined plane of bottom surface makes the piece deposit near cock 9 through filter screen 18, convenient unified clearance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The gear box for the steel pipe mill comprises a motor box (1) and is characterized in that a fixed partition plate (2) is arranged in the middle of the motor box (1), a motor body (3) is arranged on the left side of the fixed partition plate (2), an elastic cushion block (19) is arranged between the outer side of the motor body (3) and the motor box (1), a gap is reserved between the upper half portion of the elastic cushion block (19) and the motor body (3), a gland (15) is inserted into the gap, a first upper cover (11) is arranged above the gland (15), the first upper cover (11) is pressed on the gland (15) through a locking bolt (14), a second upper cover (12) is arranged on the upper right side of the motor box (1), and the first upper cover (11) are fixed on the motor box (1) and the fixed partition plate (2) through a fixing bolt (13);

the motor box is characterized in that ventilation nets (16) are arranged on the left side and the lower left side of the motor box (1), elastic cushion blocks (19) avoid the ventilation nets (16), the motor body (3) is connected with an input shaft (4), an input bevel gear (6) is connected to the end portion of the input shaft (4), an output bevel gear (7) is vertically meshed with the input bevel gear (6), the output bevel gear (7) is connected with an output shaft (5), the input bevel gear (6) is meshed with a transmission bevel gear (8), the transmission bevel gear (8) is composed of two mutually meshed bevel gears, a bevel gear in the transmission bevel gear (8) is meshed with the output bevel gear (7), the transmission bevel gear (8) is rotatably connected to a fixing column (10) through a bearing, the fixing column (10) is fixed on the inner wall of the motor box (1), an oil inlet (17) is arranged on the upper side of an upper cover (11), and an oil unloading port is arranged on the lower right side of the motor box (1), a cock (9) is arranged at the oil discharge port.

2. The gear box for the steel tube rolling mill according to claim 1, wherein a sealing gasket is arranged on the lower side of the second upper cover (12), and the contact surface of the second upper cover (12) and the first upper cover (11) is a step surface.

3. A gearbox for a steel tube rolling mill according to claim 1, characterized in that the upper side of the gland (15) is provided with a circular groove corresponding to the locking bolt (14), and the side of the gland (15) facing the motor body (3) is provided with an elastic pad.

4. Gearbox for a steel tube rolling mill according to claim 1, characterised in that the diameter of the fixed column (10) is larger than the diameter of the input shaft (4) or the output shaft (5) in the other.

5. The gear box for the steel tube rolling mill according to claim 1, characterized in that the right side of the bottom fixed partition plate (2) of the motor box (1) is inclined towards the right lower side, and a filter screen (18) is clamped at the position right opposite to the oil discharge port.

6. The gear box for the steel pipe mill according to claim 1, wherein the lower end of the left portion of the gland (15) is inclined toward the motor body (3), and the upper half portion of the left side of the elastic cushion block (19) is also inclined.