CN207377977U - A kind of sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement - Google Patents
A kind of sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement Download PDFInfo
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- CN207377977U CN207377977U CN201721455101.3U CN201721455101U CN207377977U CN 207377977 U CN207377977 U CN 207377977U CN 201721455101 U CN201721455101 U CN 201721455101U CN 207377977 U CN207377977 U CN 207377977U
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Abstract
The utility model provides sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing, sealing device and seal-leak detection arrangement including drive bearing, the sealing device of the drive bearing includes transmission shaft, bearing, inner sleeve, bearing block, wafer type sealing shroud, material sealing shroud and gas sealing shroud, the both sides of the transmission shaft are fixedly connected with bearing, Bearing outer fixed bearing block, the bearing block are connected with one end of wafer type sealing shroud；Inner sleeve is set on the transmission shaft, and outside of inner cover sets material sealing shroud, and the wafer type sealing shroud other end is connected with material sealing shroud one end；The other end of material sealing shroud is connected with air seal set.The utility model has filled up technological deficiency of the tailing wheel of bucket elevator drive bearing in sealing, the problem of ensure that bucket elevator normal operation to greatest extent, realizing automatic detection sealing leak, has ensured operational safety, equipment running monitoring is facilitated, is provided the foundation for intelligent operation.
Description
Technical field
The utility model is related to sealing device and the drive bearing sealings of the tailing wheel of bucket elevator drive bearing in commercial Application
Leak detecting device.
Background technology
Bucket elevator is widely used general, the main shaft of afterbody transmission device and sealing inner room in practical operation in industrial circle
Gap cannot be kept fixed state, and abrasion deformation is serious in a short time for sealing material, and dust enters sealing shroud and sealing material one
It plays friction and causes main shaft damage, bearing damage, bearing and main shaft locking phenomenon are also very universal, and particularly people can not be effective
The problem of damage and sealing leak of detection identification sealing material.Personnel will inspect periodically the operation conditions and seal shape of bearing
Condition, the abrasion condition for the sealing material that can not know for sure, maintenance personal can only regularly replace sealing material and bearing, cause manpower
The waste of material resources, and the normal function rate of part of appliance cannot be effectively played, add maintenance cost.
For this purpose, being proposed some solutions, these technical solutions solve current tailing wheel of bucket elevator transmission shaft
Bearing seal it is difficult the problem of, but there are still the phenomenon that sealing material mechanical processing is difficult, and technological requirement is stringenter, and
And it can not realize automation control and monitoring sealing leak.
The content of the invention
The purpose of this utility model is in view of the above problems, to provide a kind of the close of tailing wheel of bucket elevator drive bearing
Envelope and seal-leak detection arrangement, so as to fill up technological deficiency of the tailing wheel of bucket elevator drive bearing in sealing, to greatest extent
The problem of ensure that bucket elevator normal operation, realizing automatic detection sealing leak, has ensured operational safety, facilitates equipment fortune
Row monitoring provides the foundation for intelligent operation.
The technical scheme is that：The sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement, including passing
The sealing device and seal-leak detection arrangement of dynamic bearing, the sealing device of the drive bearing include transmission shaft, bearing, interior
Set, bearing block, wafer type sealing shroud, material sealing shroud and gas sealing shroud, the both sides of the transmission shaft are fixedly connected with bearing, axis
External stability bearing block is held, the bearing block is connected with one end of wafer type sealing shroud, and the wafer type sealing shroud is bearing
First order dust seal body；Inner sleeve is set on the transmission shaft, outside of inner cover sets material sealing shroud, the material sealing shroud and
Inner sleeve is the second level dust seal body of bearing, and the wafer type sealing shroud other end is connected with material sealing shroud one end；Material
One end of sealing shroud is connected with air seal set, and the air seal set is the third level dust seal body of bearing.
The bearing block and gas sealing shroud one end set flange respectively, and wafer type sealing shroud and material sealing shroud both ends are set
Flange is put, the flange and the flange of wafer type sealing shroud one end of bearing block are bolted to connection；Wafer type sealing shroud is another
End flanges are bolted to connection with material sealing shroud end flange；Another end flanges of material sealing shroud cover method with air seal
Orchid is bolted to connection.
The end of the bearing block sets sealing cover, and sealing cover is fixedly connected with the bearing seat by bolt, bearing block it is upper
Portion sets pump nozzle, temperature sensor and adjusts screw, and the lower part of bearing block sets oil extraction cup and pulling force screw.
The wafer type sealing shroud is arranged to two grade piecemeals, and including gas chamber baffle and the first air inlet pipe, gas chamber baffle is right
The inner space of clip sealing shroud is divided into the first gas chamber and the second gas chamber, and the first air inlet pipe is arranged on the top of the first gas chamber, institute
On the one hand the gas for stating the first gas chamber prevents the dust of the second gas chamber from entering, while the lubricating grease of bearing block is prevented to enter the first gas
Interior, the gas of the second gas chamber prevent dust from entering in the second gas chamber.
The bearing block sets flange, and wafer type sealing shroud sets flange, flange and the wafer type sealing shroud of bearing block
It is set among flange and is tightly connected flange, be tightly connected the diameter that flange diameter is more than the flange of bearing block.
Set between the material sealing shroud and inner sleeve PTFE seal band, graphite grazing rope, holddown spring baffle, spring,
Sealing baffle and supported flange, the PTFE seal band are arranged on front end, be then followed successively by graphite grazing rope, PTFE seal band,
Sealing baffle, spring, holddown spring baffle and supported flange, the supported flange are connected solid by bolt with material sealing shroud
Fixed, the PTFE seal band and graphite grazing rope are without oily material.
The air seal set includes the second air inlet pipe, baffle, gas chamber, sealing plate, mounting flange, connecting flange and fixation
Frame, the top of air seal set set the second air inlet pipe and connecting flange, connecting flange to be bolted to connection with fixed frame,
The lower part of connecting flange sets baffle, and baffle, sealing plate and mounting flange are bolted to connection, sealing plate and transmission shaft it
Between have gap, air seal set inside be gas chamber.
The connecting flange is arranged to semi-circular.
The seal-leak detection arrangement, including excretory duct, seal casinghousing, wind-force detection device and exhaust outlet, excretory duct
The lower part of material sealing shroud is arranged on, for excretory duct with opposite in the middle part of spring, the terminus inner of excretory duct sets air filtering core, sealing
Housing is fixed on bucket elevator housing, and the inside of the seal casinghousing sets wind-force detection device, and wind-force detection device is fixed on
On seal casinghousing, the bottom of the seal casinghousing sets exhaust outlet, and the end of exhaust outlet sets valve.
The wind-force detection device includes wind-force detector and vane type wind power plant.
First air inlet pipe and the second suction press are 2200pa to 10000pa, and source of the gas is no oiliness, moisture and ash
The gas of dirt.
First air inlet pipe, the second air inlet pipe and excretory duct are arranged to flexible telescopic tube.
The wind-force detection device includes wind-force detector, vane type wind power plant.
The terminus inner of the excretory duct sets air filtering core, including gas permeable material, air purifying filter core.
The air filtering core of the inside of the excretory duct generates blocking, and wind-force detection device detects that discharge of gas is faint and just sets
It is set to sealing material leakage alarm signal.
The present invention compared with the existing technology, has the following advantages：
1. the tail wheel drive bearing of bucket elevator realizes that air seal and sealing material sealing multilayer are close there are three sealing shroud
Envelope, ensures the safe operation of bearing to greatest extent, and effect is ideal；
2. sealing material selects graphite rope and PTFE seal band without oiliness, prevent dust, dust from sticking on transmission shaft
Enter under rotation dynamics effect in material sealing shroud, and replacement sealing material is convenient and efficient, it is easy to maintenance；
3. graphite rope and PTFE seal band of the sealing material selection without oiliness generate fine particle in friction, in gas
Pressure effect is lower into excretory duct, ensureing that seal-leak detection arrangement brings into normal play detection effect；
4. adding seal-leak detection arrangement, operation and maintenance personal no longer worry that sealing leak cannot detect
The problem of, the service efficiency of equipment is substantially increased, alleviates the work load of employee, realizes the purpose of automatic monitoring；
5. supplying gas of the source of the gas for no oiliness, moisture content and dust, prevent the oil, moisture content and dust of source of the gas mix from causing
The phenomenon that sealing material abrasion is accelerated with inner sleeve frictionally damage.
Description of the drawings
Fig. 1 is the utility model embodiment structural representation sectional view,
Fig. 2 is the A-A sectional views of the utility model embodiment Fig. 1,
Fig. 3 is the B direction views of the utility model embodiment Fig. 1,
Fig. 4 is the enlarged drawing of C in the utility model embodiment Fig. 1,
Fig. 5 is the enlarged drawing of D in the utility model embodiment Fig. 2,
It is marked in figure：1st, transmission shaft, 2, bearing, 3, inner sleeve, 4, bearing block, 5, wafer type sealing shroud, 6, material sealing shroud,
7th, air seal set, 8, sealing cover, 9, pump nozzle, 10, temperature sensor, 11, oil extraction cup, 12, adjust screw, 13, pulling force silk
Bar, 14, gas chamber baffle, the 15, first gas chamber, the 16, second gas chamber, the 17, first air inlet pipe, 18, be tightly connected flange, 19, PTFE
Band, 20, graphite grazing rope, 21, sealing baffle, 22, spring, 23, holddown spring baffle, 24, supported flange, 25, excretion
Pipe, 26, air filtering core, 27, seal casinghousing, 28, wind-force detection device, 29, exhaust outlet, 30, baffle, 31, gas chamber, 32, second
Air inlet pipe, 33, connecting flange, 34, mounting flange, 35, sealing plate, 36, fixed frame, 37, valve.
Specific embodiment
Illustrate the specific embodiment of the present invention below in conjunction with the accompanying drawings, it is as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of
The sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement, sealing device and sealing leak inspection including drive bearing
Device is surveyed, the wherein sealing device of drive bearing includes transmission shaft 1, bearing 2, inner sleeve 3, bearing block 4, wafer type sealing shroud 5, material
Material sealing shroud 6 and gas sealing shroud 7, the both ends of transmission shaft 1 are fixedly connected with bearing 2,2 external stability bearing block 4 of bearing, the axis
The end of bearing 4 sets sealing cover 8, and sealing cover 8 is fixedly connected by bolt with bearing block 4, and the top of bearing block 4 sets oiling
Mouth 9, temperature sensor 10 and adjust screw 12, lower part sets oil extraction cup 11 and pulling force screw 13, bearing block 4 by flange with it is right
Clip sealing shroud 5 is fixedly connected using bolt, is set among the flange of the bearing block 4 and the flange of wafer type sealing shroud 5 close
Connecting flange 18 is sealed, is tightly connected the flange diameter that 18 diameter of flange is more than bearing block 4, flange 18 is tightly connected and is fixedly connected with bucket
The sealing material of tail wheel seal casinghousing is carried, the wafer type sealing shroud 5 constitutes the first order dust seal body of bearing 2, institute
It states wafer type sealing shroud 5 and is arranged to 2 pieces of decile, including 14 and first air inlet pipe 17 of gas chamber baffle, gas chamber baffle 14 is wafer type
The inner space of sealing shroud 5 is divided into the first gas chamber 15 and the second gas chamber 16, and the first air inlet pipe 17 is on the top of the first gas chamber 15；Institute
On the one hand the gas for stating the first gas chamber 15 prevents the dust of the second gas chamber 16 from entering, while the lubricating grease of bearing block 4 is prevented to enter
In first gas chamber 15, the gas of the second gas chamber 16 prevents dust from entering in the second gas chamber 16；Inner sleeve 3 is set on the transmission shaft 1,
The outside of inner sleeve 3 is correspondingly arranged material sealing shroud 6, and the space of the material sealing shroud 6 and inner sleeve 3 constitutes the second of bearing 2
The space of grade dust seal body, the material sealing shroud 6 and inner sleeve 3 includes PTFE seal band 19, graphite grazing rope 20, sealing gear
Plate 21, spring 22, holddown spring baffle 23 and supported flange 24, PTFE seal band 19 in front end, be followed successively by graphite grazing rope 20,
PTFE seal band 19, sealing baffle 21, spring 22 and holddown spring baffle 23, supported flange 24 is in end, the PTFE seal
Band 19 and graphite grazing rope 20 are without oily material, and the supported flange 24 is used close in bolt presses material sealing shroud 6
Closure material is connected fixation with material sealing shroud 6 simultaneously, and the wafer type sealing shroud 5 uses spiral shell by flange and material sealing shroud 6
Bolt is fixedly connected, and material sealing shroud 6 is fixedly connected by flange with air seal set 7 using bolt, and the air seal covers 7 groups
Into the third level dust seal body of bearing 2, air seal set 7 includes the second air inlet pipe 32, baffle 30, gas chamber 31, close
Sealing plate 35, mounting flange 34, connecting flange 33 and fixed frame 36, the top of air seal set 7 set the second air inlet pipe 32 and connect
Acting flange 33, connecting flange 33 are bolted to connection with fixed frame 36, and the connecting flange 33 is arranged to semi-circular, connection
The lower part of flange 33 is baffle 30, and baffle 30 is bolted to connection successively with sealing plate 35 and mounting flange 34, sealing plate
35 have certain gap with transmission shaft 1, and the inner space of air seal set 7 is gas chamber 31, and the fixed frame 36 is fixedly connected with biography
The air seal set 7 at 1 both ends of moving axis.
First air inlet pipe, 17 and second air inlet pipe, 32 pressure is 2200pa to 10000pa, and source of the gas is no oiliness, moisture
With the gas of dust.
The seal-leak detection arrangement, including excretory duct 25, seal casinghousing 27, wind-force detection device 28 and exhaust outlet
29, the position that excretory duct 25 is arranged among the lower part and spring 23 of material sealing shroud 6 is corresponding, and seal casinghousing 27 is fixed on bucket
It carries on casing body, the bottom of the seal casinghousing 27 sets exhaust outlet 29, and the end of exhaust outlet 29 sets valve 37, and valve 37 is adjusted
The flow of whole vented gasses；The inside of the seal casinghousing 27 sets wind-force detection device 28, and wind-force detection device 28 is fixed on
On seal casinghousing 27, the wind-force detection device 28 includes wind-force detector, vane type wind power plant, the excretory duct 25
Terminus inner set air filtering core 26, including gas permeable material, air purifying filter core, the air filter of the inside of the excretory duct 25
Core 26 generates blocking, and wind-force detection device detection 28 is just set as sealing material leakage alarm signal to discharge of gas is faint.
The foregoing is merely a kind of specific embodiments of the present invention, and protection scope of the present invention is not so limited, any
Equivalent transformation based on technical solution of the present invention is all fallen within the protection scope of the present invention.
The specific work process of the embodiment of the present invention：First open the gas of 17 and second air inlet pipe 32 of the first air inlet pipe
Into inside corresponding closed chamber, restart bucket elevator operating, transmission shaft 1 rotates, the gas of the inside of wafer type sealing shroud 5 from
First gas chamber 15 enters in the second gas chamber 16, and the gas is along between supported flange 24, holddown spring baffle 23 and transmission shaft
Gap enters excretory duct 25, and gas is entered by air filtering core in seal casinghousing 27, and the wind-force detection of seal-leak detection arrangement is set
Standby 28 detect that discharge of gas represents that the sealing of bearing 2 and transmission shaft 1 is normal in predetermined range value；Gas enters gas simultaneously
In the gas chamber 31 of sealing shroud 7, the gas has fixed gap to enter tailing wheel of bucket elevator sealing by sealing plate 35 and transmission shaft 1
External dust, dust is prevented in housing also to prevent the sealing material generation of 6 inside of material sealing shroud into inside air inlet chamber 31 simultaneously
Particle is into air inlet chamber 31；After sealing material serious wear inside material sealing shroud 6 generates certain interval with transmission shaft 1,
In the entrance air filtering core 26 that these sealing material dust can be passed through excretory duct in seal-leak detection arrangement 25 by gas, dust
Increase air filtering core 26 is caused to generate blocking, wind-force detection device 28 detects that discharge of gas is faint and is just set as sealing material
Leakage alarm signal, completes automatic detection sealing leak, and maintenance personal should replace sealing material in time.
Claims (9)
1. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing, it is characterised in that：Including drive bearing
Sealing device and seal-leak detection arrangement, the sealing device of the drive bearing include transmission shaft, bearing, inner sleeve, bearing
Seat, wafer type sealing shroud, material sealing shroud and gas sealing shroud, the both sides of the transmission shaft are fixedly connected with bearing, Bearing outer
Fixed bearing block, the bearing block are connected with one end of wafer type sealing shroud；Inner sleeve is set on the transmission shaft, and outside of inner cover is set
Material sealing shroud is put, the wafer type sealing shroud other end is connected with material sealing shroud one end；The other end of material sealing shroud with
Air seal set connection.
2. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：Described bearing block one end sets flange, and air seal covers one end and sets flange, wafer type sealing shroud and material sealing shroud
Both ends set flange, and the flange and the flange of wafer type sealing shroud one end of bearing block are bolted to connection；Wafer type seals
Another end flanges are covered to be bolted to connection with material sealing shroud end flange；Another end flanges of material sealing shroud and gas are close
Big envelope flange is bolted to connection.
3. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：The end of the bearing block sets sealing cover, and sealing cover is fixedly connected with the bearing seat by bolt, the top of bearing block
Pump nozzle, temperature sensor are set and adjust screw, the lower part of bearing block sets oil extraction cup and pulling force screw.
4. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：The wafer type sealing shroud is arranged to two grade piecemeals, and wafer type sealing shroud includes gas chamber baffle and the first air inlet pipe, gas
The inner space of wafer type sealing shroud is divided into the first gas chamber and the second gas chamber by room baffle, and the first air inlet pipe is arranged on the first gas chamber
Top.
5. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：The bearing block sets flange, and wafer type sealing shroud sets flange, the flange of bearing block and the method for wafer type sealing shroud
It is set among blue and is tightly connected flange, be tightly connected the diameter that flange diameter is more than bearing block flange.
6. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：PTFE seal band, graphite grazing rope, holddown spring baffle, spring, close is set between the material sealing shroud and inner sleeve
Block plate and supported flange, the PTFE seal band are arranged on front end, then set gradually graphite grazing rope, PTFE seal band,
Sealing baffle, spring, holddown spring baffle and supported flange, the supported flange are connected solid by bolt with material sealing shroud
It is fixed.
7. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：The air seal set includes the second air inlet pipe, baffle, gas chamber, sealing plate, mounting flange, connecting flange and fixation
Frame, the top of air seal set set the second air inlet pipe and connecting flange, connecting flange to be bolted to connection with fixed frame,
The lower part of connecting flange sets baffle, and baffle, sealing plate and mounting flange are bolted to connection, sealing plate and transmission shaft it
Between have gap, air seal set inside be gas chamber.
8. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 1, special
Sign is：The seal-leak detection arrangement is set including excretory duct, seal casinghousing, wind-force detection device and exhaust outlet, excretory duct
It puts in the lower part of material sealing shroud, for excretory duct with opposite in the middle part of spring, the terminus inner of excretory duct sets air filtering core, capsul
Body is fixed on bucket elevator housing, and the inside of the seal casinghousing sets wind-force detection device, and wind-force detection device is fixed on close
On capsule body, the bottom of the seal casinghousing sets exhaust outlet, and the end of exhaust outlet sets valve.
9. sealing and the seal-leak detection arrangement of a kind of tailing wheel of bucket elevator drive bearing according to claim 8, special
Sign is：The wind-force detection device includes wind-force detector and vane type wind power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455101.3U CN207377977U (en) | 2017-11-01 | 2017-11-01 | A kind of sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455101.3U CN207377977U (en) | 2017-11-01 | 2017-11-01 | A kind of sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377977U true CN207377977U (en) | 2018-05-18 |
Family
ID=62334042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721455101.3U Active CN207377977U (en) | 2017-11-01 | 2017-11-01 | A kind of sealing of tailing wheel of bucket elevator drive bearing and seal-leak detection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207377977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357031A (en) * | 2018-12-11 | 2019-02-19 | 大连西力博机电设备科技有限公司 | The Novel gate valve of gear driving |
-
2017
- 2017-11-01 CN CN201721455101.3U patent/CN207377977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357031A (en) * | 2018-12-11 | 2019-02-19 | 大连西力博机电设备科技有限公司 | The Novel gate valve of gear driving |
| CN109357031B (en) * | 2018-12-11 | 2023-08-29 | 大连广的科技有限公司 | Gear-driven novel gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 116200 Military Building 178, Haibei Road, Pikou Street, Pulandian District, Dalian City, Liaoning Province Patentee after: Dalian Guangzhou Science and Technology Co., Ltd. Address before: 116200 Military Building 178, Haibei Road, Pikou Street, Pulandian District, Dalian City, Liaoning Province Patentee before: Dalian Xili Bo electrical equipment Co. Ltd |
|
| CP03 | Change of name, title or address |