CN215176850U

CN215176850U - Rotary kiln gear cover sealing structure with oil return box

Info

Publication number: CN215176850U
Application number: CN202120515797.4U
Authority: CN
Inventors: 米海涛; 张伟; 王文杰; 邢启刚; 王易静; 周蕾
Original assignee: Tangshan Jidong Development Machinery Equipment Manufacturing Co ltd
Current assignee: Tangshan Jidong Development Machinery Equipment Manufacturing Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-14
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a rotary kiln gear housing seal structure of area time oil tank, concretely relates to rotary kiln equipment technical field, including ring gear and gear housing, the ring gear sets up inside the gear housing, the ring gear both sides all are equipped with the oil scraper ring, the one end that the oil scraper ring is close to the ring gear is passed through the bolt and is connected with ring gear one side, the oil scraper ring keeps away from the one end and the gear housing bottom inner wall fixed connection of ring gear, set up back oil chamber between oil scraper ring and the gear housing, the oil scraper ring bottom is equipped with the backup pad, the backup pad is fixed to be set up in gear housing bottom inner wall, the inside running through of backup pad has seted up the screw thread mouth. The utility model discloses an oil scraper ring installs in the ring gear both sides, makes and forms back oil chamber between oil scraper ring and the gear housing, makes lubricating oil concentrate on the oil return intracavity, has avoided the leakage of lubricating oil, then the installation of rethread herringbone sealing washer, has improved overall structure's leakproofness, greatly reduced the possibility of oil leak.

Description

Rotary kiln gear cover sealing structure with oil return box

Technical Field

The utility model relates to a rotary kiln equipment technical field, concretely relates to rotary kiln gear cover seal structure of oil tank is returned in area.

Background

The rotary kiln is composed of processes of gas flowing, fuel burning, heat transfer, material movement and the like, and how the fuel can be fully burnt is the rotary kiln, the heat of the fuel burning can be effectively transferred to the material, and the material generates a series of physical and chemical changes after receiving the heat, and finally forms finished clinker.

The prior art has the following defects: the sealing structure of the gear cover of the kiln is relatively simple, and because the rotary kiln has a certain inclination, lubricating oil in the oil return groove is easy to overflow, so that field oil leakage is caused, and the service life of equipment is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a take rotary kiln gear guard seal structure of oil return case installs in the ring gear both sides through the oil scraper ring, makes to form back oil chamber between oil scraper ring and the gear housing, makes lubricating oil concentrate on in the oil return intracavity, has avoided the leakage of lubricating oil, then the installation of rethread herringbone sealing washer, has improved overall structure's leakproofness, greatly reduced the possibility of oil leak.

In order to achieve the above object, the present invention provides the following technical solutions: a rotary kiln gear cover sealing structure with an oil return box comprises a gear ring and a gear cover shell, wherein the gear ring is arranged inside the gear cover shell, oil deflector rings are arranged on two sides of the gear ring, one end, close to the gear ring, of each oil deflector ring is connected with one side of the gear ring through a bolt, one end, far away from the gear ring, of each oil deflector ring is fixedly connected with the inner wall of the bottom of the gear cover shell, an oil return cavity is formed between each oil deflector ring and the gear cover shell, a supporting plate is arranged at the bottom of each oil deflector ring and fixedly arranged on the inner wall of the bottom of the gear cover shell, a threaded opening is formed in the supporting plate in a penetrating mode, a first threaded rod is connected to the inner portion of the threaded opening in a threaded mode, a herringbone sealing ring is arranged on one side, close to the gear ring, a pressing plate is arranged on one side, close to the gear ring, of the herringbone sealing ring, one end, close to the gear ring, of the first threaded rod sequentially penetrates through the herringbone sealing ring and the pressing plate and extends to the outside the pressing plate, a cylinder is fixedly arranged at one end of the first threaded rod, which is far away from the pressing plate, a fixed pipe is sleeved outside the cylinder, the inner wall of the fixed pipe is connected with the outer wall of the cylinder through a bearing, a squeezing plate is fixedly arranged at the top of the fixed pipe, a groove is formed at the top of the squeezing plate, a first spring is fixedly arranged at the bottom of the inner cavity of the groove, a moving plate is fixedly arranged at the top end of the first spring, the top end of the moving plate penetrates through the groove and extends to the top of the squeezing plate, a roller is fixedly arranged at the top of the moving plate and is in contact with the bottom of one end, which is far away from the first threaded rod, of the herringbone sealing ring, an arc-shaped plate is arranged at one side, which is close to the top end of the gear ring, the arc-shaped plate is fixedly arranged at the bottom of one end, which is close to the gear ring, positioning grooves and thread grooves are formed at both sides of the gear ring, the positioning grooves are arranged at the tops of the thread grooves, and positioning rods are arranged inside the positioning grooves, one end of the positioning rod, far away from the gear ring, penetrates through the positioning groove and is fixedly connected with one side of the extrusion plate, close to the gear ring, the inner part of the thread groove is in threaded connection with a second threaded rod, one end of the second threaded rod, far away from the gear ring, penetrates through the thread groove and is fixedly connected with one side of the cylinder, close to the gear ring, the one side of the support plate, far away from the gear ring, is provided with a movable plate, one side of the movable plate, far away from the support plate, is provided with a mounting plate, the mounting plate is fixedly arranged on one side of the oil retainer, close to the support plate, is provided with a movable groove, the inner part of the movable groove is fixedly provided with a third spring, one end of the third spring, far away from the movable groove, is fixedly provided with an inner rod, one end of the inner rod, far away from the mounting plate, penetrates through the movable groove and is fixedly connected with the movable plate, one side, far away from the gear ring, at the top of the movable plate is provided with a pressed plate, the section of the bottom of the pressed plate is inclined, the bottom of the end, away from the gear ring, of the top of the pressed plate and the herringbone sealing ring is contacted, one side, away from the gear ring, of the top of the supporting plate is provided with a connecting groove, the top of the inner cavity of the connecting groove is fixedly provided with a fourth spring, the bottom of the fourth spring is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with one side of the bottom of the pressed plate.

Further, the inner walls of the two sides of the groove are provided with sliding grooves, sliding blocks are arranged inside the sliding grooves, and the two sliding blocks are fixedly connected with the two sides of the bottom of the movable plate respectively.

Furthermore, a rotating ring is fixedly arranged on one side, close to the gear ring, of the column body, and the rotating ring is sleeved on the outer portion of one end, close to the column body, of the second threaded rod.

Furthermore, a plurality of anti-slip strips are fixedly arranged outside the rotating ring and are arranged around the outer wall of the rotating ring at uniform intervals.

Furthermore, the top and the bottom of the movable groove are both provided with a limiting groove, limiting blocks are arranged in the limiting groove, and the two limiting blocks are fixedly connected with the top and the bottom of the inner rod respectively.

Furthermore, a rubber pad is fixedly arranged at the top of the compression plate.

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

1. the oil deflector ring is arranged on two sides of the gear ring, so that an oil return cavity is formed between the oil deflector ring and the gear housing, lubricating oil is concentrated in the oil return cavity, the leakage of the lubricating oil is avoided, and then the sealing performance of the whole structure is improved through the installation of the herringbone sealing ring, and the possibility of oil leakage is greatly reduced;

2. the utility model rotates the rotating ring to drive the cylinder body and the first threaded rod to rotate and move, and in the moving process, the roller on the extrusion plate moves to the herringbone sealing ring through the arc-shaped plate, then the figure-shaped sealing ring is extruded by the stretching force of the first spring, and simultaneously the first threaded rod is connected with the supporting plate, and the movable plate is extruded to make the ball on the movable plate contact with the pressure receiving plate and make the pressure receiving plate contact with the herringbone sealing ring, when the movable plate is disassembled, the second threaded rod is embedded into the threaded groove, so that the first movable plate is not limited and does not extrude the pressed plate, the pressed plate is rebounded and reset through a fourth spring, the extrusion plate drives the roller to move along with the cylinder to be separated from the herringbone sealing ring, the connection strength between the herringbone sealing ring and the oil retainer ring is improved through the integral structure, and meanwhile, a user can conveniently install and dismantle the herringbone sealing ring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a cross-sectional view of the overall structure provided by the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the portion B in FIG. 1 according to the present invention;

fig. 4 is a front view of the first threaded rod, the second threaded rod and the cylinder provided by the present invention.

In the figure: the device comprises a gear ring 1, a gear housing 2, an oil retainer 3, an oil return cavity 4, a supporting plate 5, a threaded port 6, a first threaded rod 7, a herringbone sealing ring 8, a pressing plate 9, a cylinder 10, a fixed pipe 11, a squeezing plate 12, a groove 13, a first spring 14, a movable plate 15, a roller 16, an arc-shaped plate 17, a positioning groove 18, a threaded groove 19, a positioning rod 20, a second threaded rod 21, a movable plate 22, a mounting plate 23, a movable groove 24, a third spring 25, an inner rod 26, a ball 27, a pressure receiving plate 28, a fourth spring 29 and a connecting plate 30.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-4 of the specification, the rotary kiln gear cover sealing structure with the oil return box of the embodiment comprises a gear ring 1 and a gear cover shell 2, wherein the gear ring 1 is arranged inside the gear cover shell 2, oil deflector rings 3 are arranged on two sides of the gear ring 1, one end, close to the gear ring 1, of each oil deflector ring 3 is connected with one side of the gear ring 1 through a bolt, one end, far away from the gear ring 1, of each oil deflector ring 3 is fixedly connected with the inner wall of the bottom of the gear cover shell 2, an oil return cavity 4 is formed between each oil deflector ring 3 and the gear cover shell 2, a supporting plate 5 is arranged at the bottom of each oil deflector ring 3, the supporting plate 5 is fixedly arranged on the inner wall of the bottom of the gear cover shell 2, a threaded port 6 is formed in the supporting plate 5 in a penetrating manner, a first threaded rod 7 is connected to the threaded port 6 in a threaded manner, a herringbone sealing ring 8 is arranged on one side, close to the gear ring 1, and a pressing plate 9 is arranged on one side, close to the herringbone sealing ring 1, one end of the first threaded rod 7, which is close to the gear ring 1, sequentially penetrates through the herringbone sealing ring 8 and the pressing plate 9 and extends to the outside of the pressing plate 9, one end, which is far away from the pressing plate 9, of the first threaded rod 7 is fixedly provided with a cylinder 10, the outside of the cylinder 10 is sleeved with a fixed pipe 11, the inner wall of the fixed pipe 11 is connected with the outer wall of the cylinder 10 through a bearing, the top of the fixed pipe 11 is fixedly provided with a pressing plate 12, the top of the pressing plate 12 is provided with a groove 13, the bottom of the inner cavity of the groove 13 is fixedly provided with a first spring 14, the top of the first spring 14 is fixedly provided with a moving plate 15, the top of the moving plate 15 penetrates through the groove 13 and extends to the top of the pressing plate 12, the top of the moving plate 15 is fixedly provided with a roller 16, the roller 16 is in contact with the bottom of one end, which is far away from the first threaded rod 7, of the herringbone sealing ring 8, one side, which is close to the gear ring 1, is provided with an arc-shaped plate 17, the arc-shaped plate 17 is fixedly arranged at the bottom of one end of the oil retainer ring 3 close to the gear ring 1, both sides of the gear ring 1 are provided with a positioning groove 18 and a thread groove 19, the positioning groove 18 is arranged at the top of the thread groove 19, a positioning rod 20 is arranged inside the positioning groove 18, one end of the positioning rod 20 far away from the gear ring 1 penetrates through the positioning groove 18 and is fixedly connected with one side of the extrusion plate 12 close to the gear ring 1, a second threaded rod 21 is connected with the inside of the thread groove 19 in a threaded manner, one end of the second threaded rod 21 far away from the gear ring 1 penetrates through the thread groove 19 and is fixedly connected with one side of the cylinder 10 close to the gear ring 1, one side of the support plate 5 far away from the gear ring 1 is provided with a movable plate 22, one side of the movable plate 22 far away from the support plate 5 is provided with a mounting plate 23, the mounting plate 23 is fixedly arranged at one side of the oil retainer ring 3 close to the support plate 5, and one side of the mounting plate 23 close to the support plate 5 is provided with a movable groove 24, the inside fixed third spring 25 that is equipped with of activity groove 24, the fixed interior pole 26 that is equipped with of one end that activity groove 24 was kept away from to third spring 25, interior pole 26 is kept away from the one end of mounting panel 23 and is run through activity groove 24 and with activity plate 22 fixed connection, the fixed ball 27 that is equipped with in one side that ring gear 1 was kept away from on the activity plate 22 top, activity plate 22 top is equipped with receives the board 28, receive board 28 bottom cross-section to set up to the slope form, the one end bottom that ring gear 1 was kept away from with chevron shape sealing washer 8 in compression board 28 top contacts, the spread groove 31 has been seted up to one side that ring gear 1 was kept away from at backup pad 5 top, the fixed fourth spring 29 that is equipped with in spread groove 31 inner chamber top, fourth spring 29 bottom mounting is equipped with connecting plate 30, connecting plate 30 and the fixed connection in one side of receiving board 28 bottom.

Further, the inner walls of two sides of the groove 13 are provided with sliding grooves, sliding blocks are arranged inside the sliding grooves, and the two sliding blocks are fixedly connected with two sides of the bottom of the moving plate 15 respectively, so that the stability of the moving plate 15 during moving is improved.

Furthermore, a rotating ring is fixedly arranged on one side, close to the gear ring 1, of the column body 10, and the rotating ring is sleeved outside one end, close to the column body 10, of the second threaded rod 21, so that operation of a user is facilitated.

Furthermore, the swivel external fixation is equipped with a plurality of antislip strips, and a plurality of antislip strips encircle the even interval setting of swivel outer wall, increase frictional force, and the user of being convenient for operates.

Further, the top and the bottom of the movable groove 24 are both provided with a limiting groove, limiting blocks are arranged inside the limiting groove, and the two limiting blocks are fixedly connected with the top and the bottom of the inner rod 26 respectively, so that the stability of the inner rod 26 during moving is improved.

Further, the limiting groove has all been seted up to activity groove 24 top and bottom, limiting inslot portion is equipped with the stopper, two stoppers respectively with inner prop top and bottom fixed connection.

Furthermore, a rubber pad is fixedly arranged at the top of the pressure receiving plate 28, so that the protection performance of the herringbone sealing ring 8 is improved.

The implementation scenario is specifically as follows:

when the utility model is used, a user installs the oil deflector 3 on two sides of the gear ring 1, so that an oil return cavity 4 is formed between the oil deflector 3 and the gear housing 2, so that lubricating oil is concentrated in the oil return cavity 4, thereby avoiding the leakage of the lubricating oil, then the sealing performance of the whole structure is improved through the installation of the herringbone sealing ring 8, and the possibility of oil leakage is greatly reduced, when the herringbone sealing ring 8 is installed, the rotating ring drives the cylinder 10 to rotate through rotating the rotating ring, the cylinder 10 simultaneously drives the first threaded rod 7 and the second threaded rod 21 to rotate, the second threaded rod 21 is separated from the threaded groove 19 when rotating, meanwhile, the first threaded rod 7 is gradually embedded into the threaded opening 6 on the supporting plate 5, while the cylinder 10 moves, the extrusion plate 12 on the cylinder also moves to the herringbone sealing ring 8 along with the cylinder 10, the idler wheel 16 in the extrusion plate 12 moves to the bottom of the herringbone sealing ring 8 through the arc-shaped plate 17 in the moving process, then the roller 16 presses and fixes the herringbone sealing ring 8 by the stretching force of the first spring 14, while the first threaded rod 7 is embedded in the threaded opening 6, the movable plate 22 is pressed and pushed, the balls 27 on the movable plate 22 move along the inclined surface of the pressure receiving plate 28 and press the pressure receiving plate 28, the pressure receiving plate 28 moves upwards and fixes the bottom of the herringbone sealing ring 8, the herringbone sealing ring 8 is in close contact with the oil retainer 3, the sealing performance of the herringbone sealing ring 8 is improved, when disassembling, a user rotates the cylinder 10 through a rotating ring to embed the second threaded rod 21 in the threaded groove 19, the pressing plate 12 on the cylinder 10 drives the roller 16 to be staggered and separated from the herringbone sealing ring 8, the first threaded rod 7 is separated from the movable plate 22, the movable plate 22 is not limited to rebound and reset through the third spring 25, and the pressure receiving plate 28 is not limited, when the pressed plate 28 is not limited, the pressed plate moves downwards by the resilience force of the fourth spring 29 to be separated from the herringbone sealing ring 8, at this time, the herringbone sealing ring 8 is not limited, and a user can detach the herringbone sealing ring 8.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a take rotary kiln gear cover seal structure of oil return case, includes ring gear (1) and gear housing (2), ring gear (1) sets up inside gear housing (2), its characterized in that: the oil deflector is characterized in that oil deflector rings (3) are arranged on two sides of the gear ring (1), one end, close to the gear ring (1), of each oil deflector ring (3) is connected with one side of the gear ring (1) through a bolt, one end, far away from the gear ring (1), of each oil deflector ring (3) is fixedly connected with the inner wall of the bottom of the gear housing (2), an oil return cavity (4) is formed between each oil deflector ring (3) and the gear housing (2), a supporting plate (5) is arranged at the bottom of each oil deflector ring (3), each supporting plate (5) is fixedly arranged on the inner wall of the bottom of the gear housing (2), a threaded opening (6) is formed in each supporting plate (5) in a penetrating mode, a first threaded rod (7) is connected to the inner portion of each threaded opening (6) in a threaded mode, a herringbone sealing ring (8) is arranged on one side, close to the gear ring (1), a pressing plate (9) is arranged on one side, close to the herringbone sealing ring (8), one end of the first threaded rod (7) close to the gear ring (1) sequentially penetrates through the herringbone sealing ring (8) and the pressing plate (9) and extends to the outside of the pressing plate (9), one end of the first threaded rod (7) far away from the pressing plate (9) is fixedly provided with a cylinder (10), the outside of the cylinder (10) is sleeved with a fixed pipe (11), the inner wall of the fixed pipe (11) is connected with the outer wall of the cylinder (10) through a bearing, the top of the fixed pipe (11) is fixedly provided with an extrusion plate (12), the top of the extrusion plate (12) is provided with a groove (13), the bottom of the inner cavity of the groove (13) is fixedly provided with a first spring (14), the top of the first spring (14) is fixedly provided with a movable plate (15), the top of the movable plate (15) penetrates through the groove (13) and extends to the top of the extrusion plate (12), the top of the movable plate (15) is fixedly provided with rollers (16), the roller (16) is in contact with the bottom of one end, away from the first threaded rod (7), of the herringbone sealing ring (8), an arc-shaped plate (17) is arranged on one side, close to the top end of the gear ring (1), of the herringbone sealing ring (8), a positioning groove (18) and a threaded groove (19) are formed in the bottom of one end, close to the gear ring (1), of the oil retainer ring (3), the positioning groove (18) is formed in the top of the threaded groove (19), a positioning rod (20) is arranged inside the positioning groove (18), one end, away from the gear ring (1), of the positioning rod (20) penetrates through the positioning groove (18) and is fixedly connected to one side, close to the gear ring (1), of the extrusion plate (12), a second threaded rod (21) is connected to the inner thread of the threaded groove (19), one end, away from the gear ring (1), of the second threaded rod (21) penetrates through the threaded groove (19) and is fixedly connected to one side, close to the gear ring (1), of the cylinder (10), a movable plate (22) is arranged on one side, away from the gear ring (1), of the support plate (5), a side mounting plate (23) of the support plate (5) is arranged on the movable plate (22), the mounting plate (23) is fixedly arranged on one side, close to the support plate (5), of the oil deflector ring (3), a movable groove (24) is formed in one side, close to the support plate (5), of the mounting plate (23), a third spring (25) is fixedly arranged inside the movable groove (24), an inner rod (26) is fixedly arranged at one end, away from the movable groove (24), of the third spring (25), one end, away from the movable groove (24), of the inner rod (26) penetrates through the movable groove (24) and is fixedly connected with the movable plate (22), balls (27) are fixedly arranged on one side, away from the gear ring (1), of the top of the movable plate (22) is provided with a pressure receiving plate (28), the bottom section of the pressure receiving plate (28) is arranged in an inclined shape, receive pressure plate (28) top and chevron shape sealing washer (8) and keep away from the one end bottom of ring gear (1) and contact, spread groove (31) have been seted up to one side that ring gear (1) was kept away from at backup pad (5) top, fixed fourth spring (29) that are equipped with in spread groove (31) inner chamber top, fourth spring (29) bottom mounting is equipped with connecting plate (30), connecting plate (30) and the one side fixed connection of pressure plate (28) bottom.

2. The rotary kiln gear cover sealing structure with the oil return box according to claim 1, characterized in that: the inner walls of two sides of the groove (13) are provided with sliding grooves, sliding blocks are arranged in the sliding grooves, and the two sliding blocks are fixedly connected with two sides of the bottom of the movable plate (15) respectively.

3. The rotary kiln gear cover sealing structure with the oil return box according to claim 1, characterized in that: one side of the column body (10) close to the gear ring (1) is fixedly provided with a rotating ring, and the rotating ring is sleeved at the outer part of one end of the second threaded rod (21) close to the column body (10).

4. The rotary kiln gear cover sealing structure with the oil return box according to claim 3, characterized in that: the swivel external fixation is equipped with a plurality of antislip strips, and a plurality of antislip strips encircle the even interval setting of swivel outer wall.

5. The rotary kiln gear cover sealing structure with the oil return box according to claim 1, characterized in that: the limiting grooves are formed in the top and the bottom of the movable groove (24), limiting blocks are arranged in the limiting grooves, and the two limiting blocks are fixedly connected with the top and the bottom of the inner rod (26) respectively.

6. The rotary kiln gear cover sealing structure with the oil return box according to claim 1, characterized in that: and a rubber pad is fixedly arranged at the top of the compression plate (28).