CN220663839U

CN220663839U - Rotary valve with quick-dismantling floating head and lubricant isolation function

Info

Publication number: CN220663839U
Application number: CN202322399468.XU
Authority: CN
Inventors: 赵勇
Original assignee: Jilin Province Gaga Drying Engineering Co ltd
Current assignee: Jilin Province Gaga Drying Engineering Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-26
Anticipated expiration: 2033-09-05

Abstract

The utility model discloses a rotary valve with a quick-dismantling type floating head and capable of isolating lubricant, wherein a detachable visual internal rotation valve is arranged on the left side of a cavity of a rotary valve shell; the outer diameter of one end of the inner rotary valve body, which is close to the visual inner rotary valve, is larger than that of the other end, one side of the prismatic mounting groove, which is close to the lock nut, is provided with an inner gap adjusting gasket of the inner rotary valve, a material packing sealing element is sleeved on a rotary main shaft, which is close to a cavity of a rotary valve shell, a lubricating grease overflow adsorption paper sleeve is arranged between the material packing sealing element and a front framework oil seal, the inner rotary valve body is quickly disassembled by adopting a floating head type quick-dismantling inner rotary valve body for cleaning, the middle part of the rotary main shaft is provided with a lubricating agent overflow adsorption paper sleeve for isolating the lubricating agent which possibly overflows, and the bearing box structure is more full in lubricating oil use, high in utilization rate and more stable and reliable in bearing operation.

Description

Rotary valve with quick-dismantling floating head and lubricant isolation function

Technical Field

The utility model relates to the technical field of rotary valves, in particular to a rotary valve with a floating head capable of isolating lubricant.

Background

The existing rotary valve uses an upper flange feed inlet and a lower flange discharge outlet on a rotary valve shell to be connected with a material pipeline, two ends of an inner rotary valve body are supported by bearings to enable the inner rotary valve body to suspend in the rotary valve shell and rotate through a rotary main shaft, and the existing rotary valve has the following defects:

1. the inner rotary valve body cannot be quickly removed for cleaning.

2. The bearing can only use pasty lubricating grease, the temperature is higher than that of the pasty lubricating grease which can flow into a valve body and be mixed with materials to influence the quality of a finished product, the pasty lubricating grease is in contact surface lubrication, the lubricating grease cannot be fully utilized due to poor fluidity, and the purpose of continuous lubrication and cooling cannot be achieved due to the fact that separation gaps appear at the contact part of the metal surface and the lubricating grease after the running time.

3. The clearance between the inner rotary valve body and the rotary valve shell is not adjustable, and under different temperatures and conditions, the inner rotary valve body can be in direct contact with the inner cavity side wall of the rotary valve shell, so that the abrasion of the rotary valve shell is increased.

Disclosure of Invention

The utility model aims to provide a rotary valve with a quick-detachable floating head and capable of isolating lubricant, so as to solve the problems that the disassembly of an inner rotary valve body of the conventional rotary valve is difficult, the labor hour is consumed, the lubricant easily enters the valve body and the like cause pollution to food and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotary valve of quick detach formula of floating head isolatable lubricant, including the rotary valve casing, interior rotary valve body and rotatory main shaft, the upside of rotary valve casing is provided with the flange feed inlet, the downside of rotary valve casing is provided with the lower flange discharge gate, interior rotary valve body sets up in the cavity of rotary valve casing, the cavity rear end of rotary valve casing is provided with rotatory main shaft, rotatory main shaft and the lateral wall of rotary valve casing pass through the bearing rotation installation, the cavity front end of rotary valve casing is provided with detachable visual internal rotation valve, the one end of rotatory main shaft runs through the lateral wall of rotary valve casing and is connected with the torsion limiting drive subassembly in the outside, the prismatic mounting groove and the lock nut screw-thread fit in the middle part of rotatory main shaft runs through;

one end of the inner rotary valve body, which is close to the visual inner rotary valve, has an outer diameter larger than that of the other end, and one side of the prismatic mounting groove, which is close to the lock nut, is provided with an inner valve inner gap adjusting gasket;

the outer side of the rotary main shaft in the middle of the bearing is provided with a bearing box, the outer sides of two ends of the bearing are respectively provided with a front framework oil seal and a rear framework oil seal, a material packing sealing piece is sleeved on the rotary main shaft close to the cavity of the rotary valve shell, and a lubricating grease overflow adsorption paper sleeve piece is arranged between the material packing sealing piece and the front framework oil seal.

The visual inner rotary valve is fixedly arranged on the rotary valve shell through a quick-dismantling hole nut.

The torque limiting driving assembly comprises a transmission gear, a torque limiter gear and a speed-changing gear motor, wherein the transmission gear is fixedly connected with the end part of the rotating main shaft, the transmission gear is in transmission with the torque limiter gear through a transmission chain, and the torque limiter gear is fixedly connected with the output end of the speed-changing gear motor.

The part of the rotary spindle located in the prismatic mounting groove is set to be a prismatic shaft body, the external outline of the prismatic shaft body of the rotary spindle is mounted with the prismatic mounting groove in a non-rotating fit manner, the rotary spindle outside the prismatic shaft body is provided with a small-diameter shaft body, and a gap adjusting gasket in the internal rotary valve is sleeved on the small-diameter mounting shaft body.

The internal clearance adjusting gasket of the internal rotary valve is provided with various specifications with different thicknesses.

A flash cleaning bin is arranged between the inner rotary valve body and the valve chamber, a compressed air pipe joint is arranged at the top of the flash cleaning bin, and the bottom end of the flash cleaning bin is communicated with a lower flange discharge port.

The bearing box is connected with a lubricating oil inlet pipe and a lubricating oil outlet pipe of the lubricating oil radiator through a lubricating oil inlet pipe and a lubricating oil outlet pipe.

One side of the bearing box is provided with a filtering and exhausting silencer, and the other side of the bearing box is provided with an oil level indicator window.

The front end of the lubricating oil radiator is provided with a metal filler woven mesh air filter.

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

according to the utility model, the floating head type quick-dismantling internal rotation valve body is adopted, the internal rotation valve body can be rapidly dismantled from one end for cleaning, the bearing is adopted to support the other end cantilever of the rotation main shaft, the middle part of the rotation main shaft is provided with the lubricant overflow adsorption paper sleeve to isolate lubricant which possibly overflows, so that the lubricant is prevented from entering valve body pollution materials and entering a bearing box to pollute the lubricant and damage the bearing, the sealing skeleton oil seal and the like after the rotation valve are all external installation parts, and the sealing skeleton oil seal and the like can not be damaged, maintained and replaced and fall into a material operation system of equipment, and are especially suitable for the product fields with high requirements on sanitation and components, such as food, and the like, and the two ends of the bearing box are sealed by the skeleton oil seal, so that the bearing can be lubricated by adopting liquid lubricating oil, the lubrication of the bearing is more sufficient, the utilization rate is high-efficient, and the bearing operation is more stable, reliable and lasting.

Drawings

FIG. 1 is a front view of the present utility model in example 1;

FIG. 2 is a left side view of the utility model in example 1;

FIG. 3 is a right side view of the utility model in example 1;

FIG. 4 is a cross-sectional view taken along the direction G-G in FIG. 1;

FIG. 5 is an external view of the rotor housing in the present embodiment 1;

fig. 6 is a schematic view of the structure of the rotary spindle in embodiment 1;

FIG. 7 is a schematic view showing the structure of the internal rotation valve body in example 1;

FIG. 8 is a schematic view of the structure of an adjustable motor frame in embodiment 1;

FIG. 9 is a front view of the present utility model in example 2;

fig. 10 is a right side view of the present utility model in example 2.

In the above drawings, a rotary valve housing 1, an internal rotary valve body 2, an upper flange feed port 3, a lower flange feed port 4, a bearing 5, a burr cleaning bin 6, a compressed air pipe joint 7, a visual internal rotary valve 8, a quick-release hole nut 9, a prismatic mounting groove 10, a lock nut 11, an internal rotary valve internal nut gasket 12, a rotary valve seal ring 13, a feed-down mirror 14, an internal rotary valve internal clearance adjustment gasket 15, an O-ring 16, a transmission gear 17, a torque limiter gear 18, a variable-speed gear motor 19, a transmission chain 20, an adjustable motor frame 21, an adjustable handle 21-1, a hinge 21-2, an adjusting screw 21-3, an A-type shaft rotating sleeve 21-4, a B-type shaft rotating sleeve 21-5, a first fixed shaft 21-6, a second fixed shaft 21-7, the internal screw thread adjustable radial shaft hole 21-8, the fixed radial shaft hole 21-9, the acrylic metal net shielding cover 22, the bearing box 23, the bearing front gland 24, the bearing rear gland 25, the rear framework oil seal 26, the front framework oil seal 27, the internal U-shaped clamp 28, the lubricant overflow adsorption paper sleeve 29, the lubricant oil inlet pipe 30, the lubricant three-way oil return port 31, the lubricant oil outlet pipe 32, the lubricant oil outlet 33, the lubricant oil radiator 34, the metal filler woven net air filter 35, the filtering and emptying silencer 36, the oil level oil marking window 37, the rotating main shaft 38, the prismatic shaft body 38-1, the small diameter shaft body 38-2, the threaded hole 38-3, the valve body rear cover 39, the metal active carbon woven net air filter 40 and the material filler sealing piece 41.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

As shown in fig. 1-6, the rotary valve with a quick detachable floating head and capable of isolating lubricant comprises a rotary valve shell 1, a rotary valve body 2 and a rotary main shaft 38, wherein an upper flange feed port 3 is arranged on the upper side of the rotary valve shell 1, a lower flange discharge port 4 is arranged on the lower side of the rotary valve shell 1, the rotary valve body 2 is arranged in a cavity of the rotary valve shell 1, the rotary main shaft 38 and a valve body rear cover 39 are arranged on the right side of the cavity of the rotary valve shell 1, the rotary main shaft 38 and the side wall of the rotary valve shell 1 are rotatably mounted through a bearing 5, materials enter the upper flange feed port 3 and are discharged from the lower flange discharge port 4, the rotary valve body 2 is driven to rotatably control the flow rate of the materials through the rotary main shaft 38, the structure of the conventional rotary valve in the prior art is omitted, the rotary valve body 2 is quickly detached by adopting the floating head type, the rotary valve body 2 can be quickly cleaned from one end, the rotary main shaft 38 is supported at the other end of the rotary main shaft 38 by adopting a bearing 5, a lubricant absorbing box 29 is rotatably arranged in the middle of the rotary main shaft 38 through the bearing 5, a lubricant absorbing box 29 is separated by the bearing 5, a lubricant absorbing sleeve is capable of fully and a bearing 5 is used, and a lubricant can be used for sealing the bearing 5 and a lubricant medium is more sufficiently and can be used for a long-term.

In the utility model, the internal rotation valve body 2 adopts a multi-hopper structure in the form of a rotary blade, so that the air inlet pressure and the air outlet pressure can be effectively sealed, and materials can be continuously transported.

In the utility model, the overflow cleaning bin 6 is arranged on the inner cavity side wall of the inner rotary valve body 2 and the rotary valve shell 1, the compressed air pipe joint 7 is arranged at the bottom end of the overflow cleaning bin 6, the bottom end of the overflow cleaning bin 6 is communicated with the lower flange discharge port 4, the compressed air pipe joint 7 is connected with an external compressed air pipe, and materials accumulated on the outer side of the inner rotary valve body 2 are blown out to the lower flange discharge port 4 through compressed air, so that the abrasion of the inner rotary valve body 2 and the rotary main shaft 38 at the installation position of the rotary valve shell 1 can be reduced.

In the utility model, a detachable visual inner rotary valve 8 is arranged on the left side of a cavity of a rotary valve shell 1, the visual inner rotary valve 8 is fixedly arranged on the rotary valve shell 1 through a quick-dismantling hole nut 9, the end part of a rotary main shaft 38 penetrates through a prismatic mounting groove 10 in the middle of the inner rotary valve body 2 to be in threaded fit with a locking nut 11, an inner rotary valve inner nut gasket 12 is arranged between the locking nut 11 and the rotary valve shell 1, the inner rotary valve body 2 is fixed on the rotary main shaft 38 through the locking nut 11 to form a floating head structure that the inner rotary valve body 2 is suspended at the front end of the rotary main shaft 38, and when the inner rotary valve body 2 is disassembled, the visual inner rotary valve 8 and the locking nut 11 are disassembled, the inner rotary valve body 2 is taken out, so that the inner rotary valve body 2 can be quickly and conveniently disassembled, and the inner rotary valve body 2 can be quickly taken from the front end by adopting the floating head structure, so that the inner rotary valve body 2 can be conveniently cleaned and maintained.

In the utility model, the part of the rotary main shaft 38 positioned in the prismatic mounting groove 10 is provided as the prismatic shaft body 38-1, the rotary main shaft 38 is matched with the prismatic mounting groove 10 in a non-rotating way through the outer contour of the prismatic shaft body 38-1 of the rotary main shaft 38, the rotary main shaft 38 is matched with the prismatic mounting groove 10 of the internal rotary valve body 2, the rotary main shaft 38 can be rapidly extracted from the internal rotary valve body 2, the dismounting speed of the internal rotary valve body 2 is accelerated, and the internal rotary valve body 2 can stably rotate under the drive of the rotary main shaft 38, so that the abrasion of the rotary main shaft 38 and the prismatic mounting groove 10 can be reduced, and the service life of the internal rotary valve body is prolonged.

In the present utility model, a rotary valve seal ring 13 is provided between the edge of the visual inner rotary valve 8 and the rotary valve housing 1, and the visual inner rotary valve 8 and the rotary valve housing 1 are sealed by the rotary valve seal ring 13.

In the utility model, the middle part of the visual internal rotation valve 8 is provided with a perspective window body, so that the internal structure of the rotary valve shell 1 can be observed and monitored.

In the utility model, a blanking viewing mirror 14 is arranged on one side of a rotary valve shell 1 above a lower flange discharge port 4, and the blanking viewing mirror 14 monitors the discharge condition passing through the rotary valve shell 1.

In the utility model, one end of the inner rotary valve body 2 close to the visual inner rotary valve 8 is larger in outer diameter than the other end, one side of the prismatic mounting groove 10 close to the lock nut 11 is provided with an inner rotary valve inner gap adjusting gasket 15, a rotary main shaft 38 outside the prismatic shaft 38-1 is provided with a small diameter shaft body 38-2, the end part of the small diameter shaft body 38-2 is provided with a threaded hole 38-3 in threaded fit with the lock nut 11, the inner gap adjusting gasket of the inner rotary valve is sleeved on the small diameter mounting shaft body, the gap adjusting gasket is limited at the bottom of the prismatic mounting groove 10, the inner gap adjusting gasket of the inner rotary valve is provided with various specifications with different thicknesses, and the radial length of the gap between a vane group of the inner rotary valve and a shell is adjusted by the thickness of the adjusting gasket, the installation positions of the inner rotary valve body 2 and the rotary spindle 38 are adjusted through inner rotary valve inner gap adjusting gaskets with different thicknesses, gaps between the outer sides of the inner rotary valve body 2 and the inner cavity side walls of the rotary valve shell 1 are adjusted through the arrangement of the inner rotary valve body 2 with different outer diameters and the installation of the inner rotary valve inner gap adjusting gaskets with different thicknesses, O-shaped rings 16 are arranged at the two ends of the inner rotary valve body 2 and the inner cavity side walls of the rotary valve shell 1, and the two parallel sections arranged at the contact positions of the O-shaped rings 16 and the shell change the gaps of the outer diameters of cone blades between the inner O-shaped ring 16 and the outer O-shaped ring 16 without changing the elasticity of the O-shaped rings, so that the axial sealing of the inner rotary valve blade group body is realized through the O-shaped rings 16 with different specifications.

The present utility model utilizes varying the radial distance of the vane pack of the internal rotary valve to fine tune the inner rotary vane pack ramp gap, for example: the inclined plane gap of the rotating blade group is increased by 0.26mm when the radial direction is increased by 5 mm; the radial increment of the inclined plane gap of the inner rotary blade set of 10mm is increased by 0.52mm, the ratio of the two numbers depends on the angle of the outer cone of the inner rotary blade set, the inclined plane gap of which the inner diameter and the outer diameter are different by a large value and the gap of which the inner diameter and the outer diameter are different by a small value is increased by a small value, the inclined plane gap of which the inner diameter and the outer diameter are different by a small value is increased by 1mm, and the inclined plane gap of which the inner diameter and the outer diameter are different by a small value and the gap of which the inner diameter and the outer diameter are increased by a small value is increased by 0.1mm

In the utility model, one end of a rotary main shaft 38 penetrates through the side wall of a rotary valve shell 1 and is connected with an external torsion limiting driving component, the torsion limiting driving component comprises a transmission gear 17, a torsion limiter gear 18 and a speed change gear motor 19, the transmission gear 17 is fixedly connected with the end part of the rotary main shaft 38, the transmission gear 17 is in transmission with the torsion limiter gear 18 through a transmission chain 20, the torsion limiter gear 18 is fixedly connected with the output end of the speed change gear motor 19, the speed change gear motor 19 provides power, the speed change gear motor 19 drives the torsion limiter gear 18 to rotate, and the torsion limiter gear 18 is in transmission with the transmission gear 17 through the transmission chain 20 so as to transmit the power to the rotary main shaft 38 fixedly connected with the transmission gear 17 for rotation, and the utility model adopts the torsion limiter gear 18 for transmission, so that when the torsion suffered by the rotary main shaft 38 and the transmission gear 17 is overlarge, for example: the blocking damage caused by material caking, foreign matters or other reasons can protect all moving parts.

In the utility model, the outside of a variable-speed gear motor 19 is fixed on an adjustable motor frame 21, the adjustable motor frame 21 is hinged by adopting two groups of mounting frames through a hinge 21-2, the free ends of the mounting frames at the two sides in the adjustable motor frame are respectively provided with an A-type shaft rotating sleeve 21-4 and a B-type shaft rotating sleeve 21-5, the two ends of the A-type shaft rotating sleeve 21-4 are rotatably mounted with the mounting frames through a first fixed shaft 21-6, the two ends of the B-type shaft rotating sleeve 21-5 are rotatably mounted with the mounting frames through a second fixed shaft 21-7, an inner screw thread adjustable radial shaft hole 21-8 is arranged in the A-type shaft rotating sleeve 21-4, a fixed radial shaft hole 21-9 is arranged in the B-type shaft rotating sleeve 21-5, an adjustable handle 21-1 is arranged on the adjustable motor frame 21, the adjustable handle 21-1 is arranged at the end part of an adjusting screw 21-3, the adjusting screw 21-3 is in threaded fit with the inner screw thread adjustable radial shaft hole 21-8 on the A-type shaft rotating sleeve 21-4, the adjusting screw 21-3 is clamped with the fixed radial shaft hole 21-9, the rotating adjusting screw 21-3 is freely controlled by the adjusting screw thread 3 and the two sides of the adjusting screw 21-3 in the adjusting screw shaft hole and the two sides.

In the utility model, the rotating main shaft 38 and the side wall of the rotary valve shell 1 are rotatably installed through a bearing 5, a bearing box 23 is arranged at the outer side of the rotating main shaft 38 in the middle of the bearing 5, a bearing front gland 24 and a bearing rear gland 25 are respectively arranged at two ends of the bearing 5, the bearing front gland 24 is arranged at one side close to the internal rotation valve, the bearing rear gland 25 is arranged at one side close to the transmission gear 17, a rear skeleton oil seal 26 is arranged at the outer side of the bearing rear gland 25, a front skeleton oil seal 27 is arranged at the outer side of the bearing front gland 24, the front skeleton oil seal 27 and the rear skeleton oil seal 26 are used for sealing a shaft gap, materials are isolated from overflowing, the distance between the bearing front gland 24 and the bearing 5 is fixed, the side surface of the front skeleton oil seal 27 is not worn by the bearing 5, the outer bush of the bearing 5 is favorably dismounted, the distance between the bearing rear skeleton oil seal 26 and the bearing 5 is ensured, a material filler seal 41 is sleeved on the rotating main shaft 38 close to the cavity of the rotary valve shell 1, the material filler seal 41 is fixed by an inner U-shaped clamp 28, the material filler seal 41 is provided with a grease absorbing sleeve 29 arranged at the outer side of the rotating main shaft 38, the lubricant overflowing from the bearing box 23 and the material leaking from the material packing sealing member 41 are subjected to bidirectional delay isolation through the grease overflow adsorption paper sleeve 29, the pasty lubricating grease in the prior art can be changed into liquid lubricating oil, the lubricating effect of the lubricating agent on the bearing 5 is increased, the lubricating agent is ensured not to enter valve body pollution materials, and the materials are prevented from entering the bearing box 23 to pollute the lubricating agent and damage the bearing 5, so that the lubricating grease is especially suitable for the product fields with high requirements on sanitation and ingredients, such as food.

In the utility model, a filtering and emptying silencer 36 is arranged on one side of the bearing box 23, a lubricating oil three-way oil return port 31 is arranged at the bottom end of the filtering and emptying silencer 36, and the filtering and emptying silencer 36 is composed of porous metal particles and is mainly used for maintaining the consistency of the pressure of the inside of the bearing box 23 and the pressure of the outside air and reducing noise discharged by the internal operation.

In the utility model, the other side of the bearing box 23 is provided with an oil level indicator window 37, and the lubricating oil in the bearing box 23 is monitored to observe the oil position and the oil color.

Example 2

Unlike embodiment 1, the outside of the variable gear motor 19 is provided with an acryl metal mesh shield 22, and the acryl metal mesh shield 22 is made of a multi-layer composite metal mesh, which is antistatic: prevent material adsorption equipment, antimagnetic: prevent itself from interfering with automatic control equipment and meters, earth leakage protection: the motor leakage can be led out of the acrylic shell, so that personnel operation touch is prevented.

In the utility model, a three-way oil return port 31 for lubricating oil communicated with an oil inlet pipe 30 and an oil outlet 33 for lubricating oil communicated with an oil outlet pipe 32 are respectively arranged on a rotary valve shell 1 on two sides of a bearing box 23, the oil inlet pipe 30 and the oil outlet pipe 32 are respectively connected with an oil inlet pipe and an oil outlet pipe of a lubricating oil radiator 34, the lubricating oil radiator 34 dissipates heat of lubricating oil led out of the bearing box 23, the high-temperature use stability of the device is improved, and a refrigerating structure is not required before the lubricating oil radiator 34 is arranged on a motor fan.

According to the utility model, the bottom end of the lubricating oil radiator 34 is provided with the metal filler woven mesh air filter 35, the metal filler woven mesh air filter 35 is made of a metal filler woven mesh and has the functions of fire prevention and water resistance, and after air is filtered, lubricating components exposed by lubricating mediums such as a motor, a transmission chain 20, a torsion limiter gear 18 and the like are prevented from being mixed with material dust, so that the abrasion and corrosion on the surfaces of parts are reduced; the outside of the speed change gear motor 19 at one side of the lubricating oil radiator 34 is provided with a metal active carbon woven mesh air filter 40, a metal filler woven mesh in the metal active carbon woven mesh air filter 40 is fireproof and waterproof, and air is filtered, so that air which volatilizes from a lubricating medium and oil sludge which overflows is adsorbed can be removed by adding active carbon, and the discharged air is purified, so that the quality of the workshop running environment is improved, and the running pollution is reduced.

Claims

1. The rotary valve capable of isolating the lubricant comprises a rotary valve shell, an inner rotary valve body and a rotary spindle, wherein an upper flange feeding port is formed in the upper side of the rotary valve shell, a lower flange discharging port is formed in the lower side of the rotary valve shell, the inner rotary valve body is arranged in a cavity of the rotary valve shell, the rotary spindle is arranged on the right side of the cavity of the rotary valve shell, and the rotary spindle is rotatably mounted with the side wall of the rotary valve shell through a bearing;

2. The floating head quick release lubricant isolatable rotary valve of claim 1 wherein the visual inner rotary valve is fixedly mounted to the rotary valve housing by a quick release access nut.

3. The floating head quick release lubricant isolatable rotary valve of claim 1 wherein the torque limiting drive assembly comprises a drive gear, a torque limiter gear and a variable gear motor, the drive gear being fixedly connected to an end of the rotary spindle, the drive gear being driven by the torque limiter gear via a drive chain, the torque limiter gear being fixedly connected to an output of the variable gear motor.

4. The rotary valve of the floating head quick-dismantling type isolatable lubricant according to claim 1, wherein the part of the rotary main shaft in the prismatic mounting groove is a prismatic shaft body, the external contour of the prismatic shaft body of the rotary main shaft is mounted in a non-rotating fit with the prismatic mounting groove, the rotary main shaft outside the prismatic shaft body is provided with a small-diameter shaft body, and the gap adjusting gasket in the internal rotary valve is sleeved on the small-diameter mounting shaft body.

5. The floating head quick release lubricant isolatable rotary valve of claim 4 wherein the internal rotary valve internal clearance adjustment shims are provided with a plurality of gauges of different thickness.

6. The floating head quick-dismantling type lubricant-isolatable rotary valve according to claim 1, wherein a flash cleaning bin is arranged between the inner rotary valve body and the valve chamber, a compressed air pipe joint is arranged at the top of the flash cleaning bin, and the bottom end of the flash cleaning bin is communicated with the lower flange discharge port.

7. The floating head quick-dismantling type lubricant-isolatable rotary valve according to claim 1, wherein the bearing housing is connected to the lubricant inlet and outlet pipes of the lubricant radiator through a lubricant inlet pipe and a lubricant outlet pipe.

8. The floating head quick release lubricant isolatable rotary valve of claim 7 wherein one side of the bearing housing is provided with a filtering evacuation muffler and the other side of the bearing housing is provided with an oil level indicator window.

9. The floating head quick detachable lubricant isolatable rotary valve according to claim 8, wherein a metal filler woven mesh air filter is provided at an end of the lubricant radiator, and a metal activated carbon woven mesh air filter is provided at one side of the lubricant radiator.