CN213017694U

CN213017694U - Sealing structure of turning device for getting on drilling machine

Info

Publication number: CN213017694U
Application number: CN202021077715.4U
Authority: CN
Inventors: 董健兵
Original assignee: Jiangyin Changhong Metallurgical Casting Co ltd
Current assignee: Jiangyin Changhong Metallurgical Casting Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-04-20
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a seal structure of rig slewer that gets on bus, including slewer main part and gyration main shaft, the inside of slewer main part is provided with the gyration main shaft, the below of slewer main part with the corresponding fixed position of gyration main shaft is connected with the adapter sleeve, the one end tip that the slewer main part was kept away from to the adapter sleeve is provided with the gland, the edge of gland is provided with a plurality of gland, the inboard concentric seal cover that is provided with of one end that the slewer main part was kept away from to the adapter sleeve, the one end middle part fixedly connected with rubber seal ring of gland is kept away from to the below of seal cover, two seal grooves have been seted up to the inboard. The utility model discloses in, be provided with the seal cover, cooperation oil blanket groove can form the double seal effect that mechanical seal and oil blanket combined together, has improved the leakproofness of device greatly, has strengthened the practicality of mechanism.

Description

Sealing structure of turning device for getting on drilling machine

Technical Field

The utility model relates to a rotary drilling rig equipment technical field especially relates to a seal structure of rig slewer that gets on bus.

Background

The rotary drilling machine drives the rotary device of the drilling machine to rotate by a power device, thereby driving a drill rod with a drill bit to rotate and cutting soil by the drill bit. The rotary drilling machine is used for a bored concrete pile for forming holes by using a slurry retaining wall, and the hole forming mode is a rotary hole forming mode. According to different mud circulation modes, the method is divided into a positive circulation rotary drilling machine and a reverse circulation rotary drilling machine.

The sealing structure of the existing drilling machine boarding slewing device has the defects of short service life, easy leakage of sealing, difficult installation and debugging, easy breakage of adjusting bolts and the like, is low in construction efficiency and high in labor intensity, wastes of time, manpower and material resources are caused, and the construction cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sealing structure of a turning device for getting on a drilling machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sealing structure of a turning device for a drilling machine to get on a vehicle comprises a turning device body and a turning main shaft, wherein the turning main shaft is arranged in the turning device body, a connecting sleeve is fixedly connected to the position, corresponding to the turning main shaft, below the turning device body, of the turning main shaft, a gland is arranged at the end part, away from the turning device body, of the connecting sleeve, a plurality of pressing bolts are arranged at the edge of the gland, a sealing sleeve is concentrically arranged at the inner side of one end, away from the turning device body, of the connecting sleeve, a rubber sealing ring is fixedly connected to the middle part of one end, away from the gland, below the sealing sleeve, two sealing grooves are formed above the inner side of the sealing sleeve, a rubber ring pad is arranged on one side, away from the turning main shaft, of the two sealing grooves are provided, the inboard of adapter sleeve is in the one end that the seal cover is close to in the oil blanket groove is provided with first oil blanket ring, the inboard of adapter sleeve is in the one end that the seal cover was kept away from in the oil blanket groove is provided with second oil blanket ring, one side of adapter sleeve with the corresponding position in oil blanket groove is provided with the oiling pipe, the adapter sleeve is provided with oiling seal structure at the middle part of oiling pipe, the oiling mouth has been seted up at the one end in the oil blanket groove that the oiling pipe was kept away from to the adapter sleeve, top one side fixedly connected with hydraulic motor of slewer main part, hydraulic motor's output fixedly connected with motor gear, the gyration main shaft with the fixed main shaft gear that has cup jointed in the corresponding position department of motor gear, just main shaft gear with motor gear intermeshing.

As a further description of the above technical solution:

the oiling seal structure includes oiling spout, sliding cover, oiling sealing ring, sealing spring and oiling through-hole, the both ends center department of oiling spout all with the fixed intercommunication of notes oil pipe, the one end that the oiling spout is close to the oiling groove is provided with sealing spring, the one end sliding connection that the oiling spout kept away from the oiling groove has the sliding cover, the inboard fixedly connected with oiling sealing ring of one end that sealing spring was kept away from to the sliding cover, a plurality of oiling through-holes have been seted up to the marginal department equidistance of sliding cover.

As a further description of the above technical solution:

the diameter of the oil injection sealing ring is two thirds of that of the sliding cover.

As a further description of the above technical solution:

the connecting sleeve is provided with a dustproof cover at a position corresponding to the oil filling port.

As a further description of the above technical solution:

and a mudguard is fixedly sleeved on the outer side of one end of the rotary main shaft close to the gland.

As a further description of the above technical solution:

a main shaft center hole is formed in the center of the inner portion of the rotary main shaft.

The utility model discloses following beneficial effect has:

1. the utility model discloses be provided with the seal cover, cooperation oil blanket groove can form the double seal effect that mechanical seal and oil blanket combined together, has improved the leakproofness of device greatly, has strengthened the practicality of mechanism.

2. The utility model discloses be provided with oiling seal structure, can prevent that lubricating grease from revealing the condition that leads to the leakproofness to reduce and appear, improved the sealed life-span of device, strengthened the practicality of mechanism.

3. The utility model discloses be provided with the gland, cooperation clamp bolt and adapter sleeve, can comparatively convenient compress tightly the fixed seal cover, convenient to detach and maintenance have strengthened the practicality of device.

Drawings

Fig. 1 is a cross-sectional view of a sealing structure of a turning device on a drilling rig according to the present invention;

fig. 2 is an enlarged view of a point a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the point B of fig. 1 according to the present invention.

Illustration of the drawings:

1. a turning device main body; 2. a rotating main shaft; 3. connecting sleeves; 4. sealing sleeves; 5. a gland; 6. a rubber seal ring; 7. a sealing groove; 8. an oil seal groove; 9. an oil injection sealing structure; 10. a hydraulic motor; 11. a motor gear; 12. a main shaft gear; 13. a main shaft central hole; 14. a first oil seal ring; 15. a second oil seal ring; 16. an oil filling pipe; 17. an oil filling port; 18. a dust cover; 19. a hold-down bolt; 20. a fender; 21. a rubber ring pad; 22. a ceramic seal ring; 901. an oiling chute; 902. a sliding cover; 903. oiling sealing rings; 904. a seal spring; 905. and an oil filling through hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a sealing structure of a turning device for a drilling machine to get on a vehicle comprises a turning device main body 1 and a turning main shaft 2, the turning main shaft 2 is arranged in the turning device main body 1, a connecting sleeve 3 is fixedly connected to the position, corresponding to the turning main shaft 2, below the turning device main body 1, of the connecting sleeve 3, a gland 5 is arranged at the end part, away from the turning device main body 1, of the connecting sleeve 3, a plurality of compression bolts 19 are arranged at the edge of the gland 5, the gland 4 is conveniently and fixedly compressed and fixed in cooperation with the compression bolts 19 and the connecting sleeve 3, the gland is convenient to disassemble and maintain, a gland 4 is concentrically arranged at the inner side, away from the turning device main body 1, of the connecting sleeve 3, a rubber sealing ring 6 is fixedly connected to the middle part, away from the gland 5, below the gland 4 and used for sealing with the connecting sleeve 3, two sealing grooves 7, one side of the two sealing grooves 7 close to the rotary main shaft 2 is provided with a ceramic sealing ring 22 to form a mechanical seal, one end of the inner side of the connecting sleeve 3 close to the sealing sleeve 4 is provided with an oil seal groove 8 for filling lubricating grease to form an oil seal, one end of the inner side of the connecting sleeve 3 close to the sealing sleeve 4 is provided with a first oil seal ring 14, one end of the inner side of the connecting sleeve 3 far away from the sealing sleeve 4 in the oil seal groove 8 is provided with a second oil seal ring 15, one side of the connecting sleeve 3 corresponding to the oil seal groove 8 is provided with an oil filling pipe 16, the connecting sleeve 3 is provided with an oil filling sealing structure 9 in the middle of the oil filling pipe 16, one end of the oil seal groove 8 far away from the oil filling pipe 16 of the connecting sleeve 3 is provided with an oil filling port 17 for filling lubricating grease, one side above the main body 1, a main shaft gear 12 is fixedly sleeved at the position of the rotary main shaft 2 corresponding to the motor gear 11, and the main shaft gear 12 is meshed with the motor gear 11, so that the hydraulic motor 10 is in transmission connection with the rotary main shaft 2.

The oiling sealing structure 9 comprises an oiling sliding chute 901, a sliding cover 902, an oiling sealing ring 903, a sealing spring 904 and oiling through holes 905, the centers of two ends of the oiling sliding chute 901 are fixedly communicated with an oiling pipe 16, one end of the oiling sliding chute 901 close to the oiling groove 8 is provided with the sealing spring 904 for propping against the sliding cover 902, one end of the oiling sliding chute 901 far away from the oiling groove 8 is slidably connected with the sliding cover 902, the inner side of one end of the sliding cover 902 far away from the sealing spring 904 is fixedly connected with the oiling sealing ring 903, the edge of the sliding cover 902 is equidistantly provided with a plurality of oiling through holes 905 for passing through lubricating grease, the diameter of the oiling sealing ring 903 is two thirds of the diameter of the sliding cover 902, so as to seal the pipe orifice of the oiling pipe 16, the connecting sleeve 3 is provided with a dustproof cover 18 at the position corresponding to the oiling port 17 for preventing mud and dust, a mudguard 20 is, the sealing structure can block most of slurry, the service life of the sealing structure is prolonged, and a main shaft center hole 13 is formed in the center of the inner portion of the rotary main shaft 2 and used for allowing high-pressure gas to pass through.

The working principle is as follows: the utility model discloses during the use, through gland 5, cooperation clamp bolt 19 and adapter sleeve 3's connection, can be comparatively convenient compress tightly fixed seal cover 4, the mechanical type that mainly utilizes the ceramic seal ring 22 that sets up in two inside seal grooves 7 of seal cover 4 to go on is sealed, and the oil blanket that the lubricating grease that fills certain pressure goes on in the inside oil blanket groove 8 that sets up of adapter sleeve 3, can form the double-seal effect that two-layer mechanical seal and oil blanket combined together, the leakproofness of device has been improved greatly, there is the oiling seal structure, can prevent that lubricating grease from revealing the condition that leads to the leakproofness to reduce and appear, the sealed life of device has been improved, the practicality of mechanism has been strengthened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a seal structure of rig slewer that gets on bus, includes slewer main part (1) and gyration main shaft (2), its characterized in that: a rotary main shaft (2) is arranged in the rotary device main body (1), a connecting sleeve (3) is fixedly connected to the position, corresponding to the rotary main shaft (2), below the rotary device main body (1), a gland (5) is arranged at the end part, far away from the rotary device main body (1), of the connecting sleeve (3), a plurality of pressing bolts (19) are arranged at the edge of the gland (5), a sealing sleeve (4) is concentrically arranged at the inner side of one end, far away from the rotary device main body (1), of the connecting sleeve (3), a rubber sealing ring (6) is fixedly connected to the middle part of one end, far away from the gland (5), below the sealing sleeve (4), two sealing grooves (7) are formed above the inner side of the sealing sleeve (4), a rubber ring gasket (21) is arranged on one side, far away from the rotary main shaft (2), of the two sealing grooves (7), and a ceramic sealing ring (22) is arranged, an oil seal groove (8) is formed in one end, close to the seal sleeve (4), of the inner side of the connecting sleeve (3), a first oil seal ring (14) is arranged at one end, close to the seal sleeve (4), of the oil seal groove (8), a second oil seal ring (15) is arranged at one end, far away from the seal sleeve (4), of the oil seal groove (8), an oil filling pipe (16) is arranged at a position, corresponding to the oil seal groove (8), of one side of the connecting sleeve (3), an oil filling sealing structure (9) is arranged in the middle of the oil filling pipe (16) of the connecting sleeve (3), an oil filling opening (17) is formed in one end, far away from the oil seal groove (8), of the connecting sleeve (3), a hydraulic motor (10) is fixedly connected to one side above the slewing device body (1), and a motor gear (11) is fixedly connected to the output end of the hydraulic motor (10), the rotary main shaft (2) is fixedly sleeved with a main shaft gear (12) at a position corresponding to the motor gear (11), and the main shaft gear (12) is meshed with the motor gear (11).

2. The seal structure of a drilling rig boarding slewing device of claim 1, characterized in that: oiling seal structure (9) including oiling spout (901), slip lid (902), oiling sealing ring (903), sealing spring (904) and oiling through-hole (905), the both ends center department of oiling spout (901) all with the fixed intercommunication of oiling pipe (16), the one end that oiling spout (901) is close to oil blanket groove (8) is provided with sealing spring (904), the one end sliding connection who keeps away from oil blanket groove (8) in oiling spout (901) has slip lid (902), the inboard fixedly connected with oiling sealing ring (903) of one end that sealing spring (904) were kept away from in slip lid (902), a plurality of oiling through-holes (905) have been seted up to the edge equidistance of slip lid (902).

3. The seal structure of a drilling rig boarding slewing device of claim 2, characterized in that: the diameter of the oil injection sealing ring (903) is two thirds of that of the sliding cover (902).

4. The seal structure of a drilling rig boarding slewing device of claim 1, characterized in that: the connecting sleeve (3) is provided with a dust cover (18) at a position corresponding to the oil filling port (17).

5. The seal structure of a drilling rig boarding slewing device of claim 1, characterized in that: and a mudguard (20) is fixedly sleeved on the outer side of one end of the rotary main shaft (2) close to the gland (5).

6. The seal structure of a drilling rig boarding slewing device of claim 1, characterized in that: a main shaft center hole (13) is formed in the center of the inner part of the rotary main shaft (2).