CN108087286A - A kind of sealing device of bitumenpump - Google Patents
A kind of sealing device of bitumenpump Download PDFInfo
- Publication number
- CN108087286A CN108087286A CN201711324757.6A CN201711324757A CN108087286A CN 108087286 A CN108087286 A CN 108087286A CN 201711324757 A CN201711324757 A CN 201711324757A CN 108087286 A CN108087286 A CN 108087286A
- Authority
- CN
- China
- Prior art keywords
- side wall
- block
- threaded rod
- opposite
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of sealing devices of bitumenpump, including the pump housing, the outside of the pump housing is equipped with socket block, the opposite one end side wall of the socket block is arranged with two the first limited blocks, the side wall of four first limited blocks is equipped with the first sliding groove, the first sliding shoe is slidably connected in four first sliding grooves, the side wall of four first sliding shoes is rotatably connected to head rod, it is connected between two opposite head rods by buffer unit, the buffer unit includes the first arc block, the sidewall symmetry of first arc block is set there are two the second limited block, the side wall of two second limited blocks is equipped with the second sliding groove.The present invention is reasonable in design, easy to operate, not only convenient for users to dismounting, but also with certain buffering effect.
Description
Technical field
The present invention relates to the technical field of sealing technology more particularly to a kind of sealing device of bitumenpump pumped in asphalt delivery.
Background technology
The sealing structure conventional machinery sealing of asphalt delivery pump refers to perpendicular to the end face of rotation axis be existed by least a pair
It keeps being bonded and forming with respect to slip under the action of Fluid pressure and compensation mechanism elastic force and under the cooperation of auxiliary seal
The device for preventing fluid from leaking, original common spring mechanical are easily damaged, it is impossible to reuse, must update every time, this just makes
Into substantial amounts of waste, and a good sealing device, it should there is certain buffering effect.
The content of the invention
The purpose of the present invention is to solve cannot dismantle, not possess the drawbacks of buffering effect, and a kind of pitch proposed
The sealing device of pump, not only convenient for users to dismounting, but also with certain buffering effect.
To achieve these goals, present invention employs following technical solutions：
A kind of sealing device of bitumenpump, including the pump housing, the outside of the pump housing is equipped with socket block, the socket block it is opposite one
End wall is arranged with two the first limited blocks, and the side walls of four first limited blocks is equipped with the first sliding groove, four
The first sliding shoe is slidably connected in first sliding groove, the side wall of four first sliding shoes is rotatably connected to
One connecting rod is connected by buffer unit between two opposite head rods, and the buffer unit includes the first arc
Shape block, the sidewall symmetry of first arc block are set there are two the second limited block, and the side wall of two second limited blocks is all provided with
There is the second sliding groove, the second sliding shoe is slidably connected in two second sliding grooves, two head rods are remote
One end from the first sliding shoe is rotatablely connected respectively with opposite the second sliding shoe, and the opposite one end side wall of the pump housing is equipped with
Second arc block, two second arc blocks pass through the second sealing device between one end and the first arc block away from the pump housing
Connection.
Preferably, second sealing device includes extending through the second threaded rod and the 3rd on the first arc block side wall
Threaded rod, second threaded rod are internally threaded chamber, and the 3rd threaded rod runs through close to one end of the second threaded rod
The side wall of second threaded rod is simultaneously threadedly coupled with thread cavity, and the equal screw thread of lateral wall of second threaded rod and the 3rd threaded rod connects
The second driven wheel is connected to, is rotatablely connected between two second driven wheels and the first arc block by the second moving block, institute
The both ends side wall for stating the second limited block has been fixedly connected with the second motor, and the output shaft end of two second motors is fixed
It is connected with and intermeshing second driving wheel of the second driven wheel, the side wall of second threaded rod and the side wall of the 3rd threaded rod
Between be connected with mobile device, the side wall of the mobile device one end and the pump housing away from the first arc block offsets.
Preferably, the mobile device includes be rotatably connected on respectively on the second threaded rod and the 3rd threaded rod side wall two
A 3rd moving block, the side wall of two the 3rd moving blocks are rotatably connected to the 3rd connecting rod, two the 3rd connecting rods
One end away from the 3rd moving block is rotatablely connected by the second arc block.
Preferably, the opposite one end side wall of the socket block is equipped with extension apparatus, the both sides difference of the extension apparatus
It is rotatablely connected with the side wall of the first opposite sliding shoe.
Preferably, the extension apparatus includes the supporting block being fixed on socket block madial wall, the side wall of the supporting block
Hollow stem is fixedly connected with, the hollow stem is internally provided with hollow cavity, first is slidably connected respectively in the hollow cavity
Strut and second support bar, the first support bar are internally provided with limit chamber, and the second support bar is close to first support bar
One end through first support bar side wall and be slidably connected with limit chamber, the first support bar and second support bar are opposite
One end the both ends side wall of hollow stem and is rotatablely connected at pipe respectively with the first opposite sliding shoe.
Preferably, the opposite one end side wall of the socket block is arranged with two the 3rd limited blocks, four the described 3rd
The side wall of limited block is equipped with the 4th sliding groove, and the 4th sliding shoe is slidably connected in four the 4th sliding grooves, described
It is rotatablely connected between 4th sliding shoe and opposite the second sliding shoe by the 4th connecting rod.
In the present invention, when needing to be sealed, start two the second motors, the second driving wheel is driven to rotate, second
While driving wheel rotates, it can make the second driven wheel that the second threaded rod and the 3rd threaded rod be driven to rotate respectively, and the 3rd
Threaded rod can move in thread cavity so that two the 3rd moving blocks can drive two the 3rd connecting rods to drive second respectively
The lateral wall of arc block and the pump housing offsets, and can play the effect of sealing, two the first sliding shoes are in two the first sliding grooves
It slides, makes it have certain buffering effect.The present invention is reasonable in design, easy to operate, not only convenient for users to dismounting, and
And with certain buffering effect.
Description of the drawings
Fig. 1 is a kind of structure diagram of the sealing device of bitumenpump proposed by the present invention；
Fig. 2 is schematic enlarged-scale view at A in Fig. 1；
Fig. 3 is schematic enlarged-scale view at C in Fig. 1；
Fig. 4 is a kind of structure diagram for the outside framework oil seal structure that the present invention is applied to bitumenpump；
Fig. 5 is schematic enlarged-scale view at B in Fig. 4.
In figure：1 pump housing, 2 the 3rd limited blocks, 3 second arc blocks, 4 the 4th connecting rods, 5 ring blocks, 6 first driven wheels, 7
It is socketed block, 8 second limited blocks, 9 buffer stoppers, 10 first motors, 11 first driving wheels, 12 first threaded rods, 13 supporting blocks, 14 the
One limited block, 15 head rods, 16 first support bars, 17 hollow stems, 18 second support bars, 19 first sliding shoes, 20 the 3rd
Arc block, 21 second connecting rods, 22 the 3rd sliding shoes, 23 link blocks, 24 second driving wheels, 25 second motors, 26 first arcs
Block, 27 the 3rd moving blocks, 28 the 3rd connecting rods, 29 second threaded rods, 30 second driven wheels, 31 the 3rd threaded rods, 32 second turns
Motion block.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment 1：With reference to Fig. 1-3, a kind of sealing device of bitumenpump, including the pump housing 1, the outside of the pump housing 1 is equipped with socket
Block 7, the opposite one end side wall of socket block 7 are arranged with two the first limited blocks 14, and the side wall of four the first limited blocks 14 is equal
Equipped with the first sliding groove, the first sliding shoe 19, the side of four the first sliding shoes 19 are slidably connected in four the first sliding grooves
Wall is rotatably connected to head rod 15, is connected between two opposite head rods 15 by buffer unit, buffering dress
It puts including the first arc block 26, the sidewall symmetry of the first arc block 26 sets that there are two the second limited block 8, two the second limited blocks 8
Side wall be equipped with the second sliding groove, the second sliding shoe, two head rods are slidably connected in two the second sliding grooves
15 one end away from the first sliding shoe 19 are rotatablely connected respectively with opposite the second sliding shoe, and the opposite one end side wall of the pump housing 1 is equal
Equipped with the second arc block 3, two the second arc blocks 3 are close by second between one end and the first arc block 26 away from the pump housing 1
Seal apparatus connects, and starts the first motor 10, the first driving wheel 11 is driven to rotate respectively, under the action of the first driving wheel 11, band
Dynamic first driven wheel 6 rotates, while the first driven wheel 6 rotates so that the first threaded rod 12 can be to buffer stopper 9, connection
Block 23 moves, and while link block 23 moves, two the 3rd sliding shoes 22 is enabled to drive two 21 Hes of the second connecting rod
3rd arc block 20 moves, and the 3rd arc block 20 and the lateral wall of the pump housing 1 are offseted.
In the present invention, the second sealing device includes extending through the second threaded rod 29 on 26 side wall of the first arc block and the
Three threaded rods 31, the second threaded rod 29 are internally threaded chamber, and the 3rd threaded rod 31 is passed through close to one end of the second threaded rod 29
It wears the side wall of the second threaded rod 31 and is threadedly coupled with thread cavity, the equal spiral shell of lateral wall of the second threaded rod 29 and the 3rd threaded rod 31
Line is connected with the second driven wheel 30, is rotated between two the second driven wheels 30 and the first arc block 26 by the second moving block 32
Connection, the both ends side wall of the second limited block 8 have been fixedly connected with the second motor 25, and the output shaft end of two the second motors 25 is equal
It is fixedly connected with and 30 intermeshing second driving wheel 24 of the second driven wheel, the side wall and the 3rd threaded rod of the second threaded rod 29
Mobile device is connected between 31 side wall, mobile device one end and the side wall of the pump housing 1 away from the first arc block 26 offset, and move
Dynamic device includes two the 3rd moving blocks 27 being rotatably connected on respectively on the second threaded rod 29 and 31 side wall of the 3rd threaded rod, and two
The side wall of a 3rd moving block 27 is rotatably connected to the 3rd connecting rod 28, and two the 3rd connecting rods 28 are away from the 3rd moving block 27
One end is rotatablely connected by the second arc block 3, and the opposite one end side wall of socket block 7 is equipped with extension apparatus, and the two of extension apparatus
Side is rotatablely connected respectively with the side wall of the first opposite sliding shoe 19, and extension apparatus includes being fixed on socket 7 madial wall of block
Supporting block 13, the side wall of supporting block 13 are fixedly connected with hollow stem 17, and hollow stem 17 is internally provided with hollow cavity, divides in hollow cavity
First support bar 16 and second support bar 18 are not slidably connected, and first support bar 16 is internally provided with limit chamber, the second support
Bar 18 is slidably connected through the side wall of first support bar 16 and close to one end of first support bar 16 with limit chamber, first support bar
16 and the opposite one end of second support bar 18 respectively at pipe the both ends side wall of hollow stem 17 and with 19 turns opposite of the first sliding shoe
Dynamic connection, the opposite one end side wall of socket block 7 are arranged with two the 3rd limited blocks 2, and the side wall of four the 3rd limited blocks 2 is equal
Equipped with the 4th sliding groove, the 4th sliding shoe, the 4th sliding shoe and opposite second are slidably connected in four the 4th sliding grooves
It is rotatablely connected between sliding shoe by the 4th connecting rod 4.
Embodiment 2：With reference to Fig. 2-5, apply the present invention to a kind of outside framework oil seal structure of bitumenpump, including the pump housing 1, pump
The outside of body 1 is equipped with socket block 7, and the opposite one end side wall of socket block 7, which runs through, is equipped with ring block 5, the inside of two ring blocks 5
Wall is equipped with thread groove, is threaded with the first threaded rod 12 in two thread grooves, two the first threaded rods 12 it is opposite one
End wall is equipped with first sealing device, and lateral wall of the opposite one end side wall of two first sealing devices with the pump housing 1 offsets,
The lateral wall of two the first threaded rods 12 is threaded with the first driven wheel 6, between two the first driven wheels 6 and socket block 7
It is rotatablely connected by the first moving block, the both ends side wall of socket block 7 is equipped with the first motor 10, the output shaft of the first motor 10
End be fixedly connected with 6 intermeshing first driving wheel 11 of the first driven wheel, socket block 7 it is opposite one end side wall it is right
Title is set there are two the first limited block 14, and the side wall of four the first limited blocks 14 is equipped with the first sliding groove, four the first sliding grooves
Inside slidably connecting the first sliding shoe 19, the side walls of four the first sliding shoes 19 is rotatably connected to head rod 15, and two
It is connected between a opposite head rod 15 by buffer unit, buffer unit includes the first arc block 26, the first arc block
26 sidewall symmetry is set there are two the second limited block 8, and the side walls of two the second limited blocks 8 is equipped with the second sliding groove, two the
Slidably connect the second sliding shoe in two sliding grooves, the one end of two head rods 15 away from the first sliding shoe 19 respectively with
Opposite the second sliding shoe rotation connection, the opposite one end side wall of the pump housing 1 are equipped with the second arc block 3, two the second arc blocks 3
It is connected between one end and the first arc block 26 away from the pump housing 1 by the second sealing device, starts the first motor 10, respectively band
Dynamic first driving wheel 11 rotates, and under the action of the first driving wheel 11, the first driven wheel 6 is driven to rotate, in 6 turns of the first driven wheel
While dynamic so that the first threaded rod 12 can move buffer stopper 9, link block 23, can while link block 23 moves
So that two the 3rd sliding shoes 22 drive two the second connecting rods 21 and the 3rd arc block 20 to move, by the 3rd arc block 20 and pump
The lateral wall of body 1 offsets.
In the present invention, first sealing device includes the buffer stopper 9 being rotatably connected on the first threaded rod 12, buffer stopper 9
Side wall is equipped with dashpot, is equipped with multiple damping springs in dashpot, the one end of multiple damping springs away from dashpot madial wall leads to
It crosses link block 23 to be rotatablely connected, the one end of link block 23 away from damping spring is equipped with the 3rd sliding groove, is equipped in the 3rd sliding groove
Two the 3rd sliding shoes 22, two the 3rd one end of sliding shoe 22 away from the 3rd sliding groove are rotatably connected to the second connecting rod
21, two second one end of connecting rod 21 away from the 3rd sliding shoe 22 are rotatablely connected by the 3rd arc block 20, two the 3rd arcs
Side wall of the opposite one end side wall of shape block 20 with the pump housing 1 offsets, and the second sealing device includes extending through the first arc block 26
The second threaded rod 29 and the 3rd threaded rod 31 on side wall, the second threaded rod 29 are internally threaded chamber, the 3rd threaded rod 31
It is threadedly coupled close to one end of the second threaded rod 29 through the side wall of the second threaded rod 31 and with thread cavity, 29 He of the second threaded rod
The lateral wall of 3rd threaded rod 31 is threaded with the second driven wheel 30, two the second driven wheels 30 and the first arc block 26 it
Between be rotatablely connected by the second moving block 32, the both ends side wall of the second limited block 8 has been fixedly connected with the second motor 25, two
The output shaft end of second motor 25 has been fixedly connected with and 30 intermeshing second driving wheel 24 of the second driven wheel, the second spiral shell
Mobile device is connected between the side wall of the side wall of rasp bar 29 and the 3rd threaded rod 31, mobile device is away from the first arc block 26
One end and the side wall of the pump housing 1 offset, and mobile device includes being rotatably connected on the second threaded rod 29 and 31 side of the 3rd threaded rod respectively
Two the 3rd moving blocks 27 on wall, the side walls of two the 3rd moving blocks 27 are rotatably connected to the 3rd connecting rod 28, and two the 3rd
The one end of connecting rod 28 away from the 3rd moving block 27 is rotatablely connected by the second arc block 3, and the opposite one end side wall of socket block 7 is equal
Equipped with extension apparatus, the both sides of extension apparatus are rotatablely connected respectively with the side wall of the first opposite sliding shoe 19, extension apparatus bag
The supporting block 13 being fixed on socket 7 madial wall of block is included, the side wall of supporting block 13 is fixedly connected with hollow stem 17, hollow stem 17
Hollow cavity is internally provided with, slidably connects first support bar 16 and second support bar 18, first support bar 16 in hollow cavity respectively
Be internally provided with limit chamber, second support bar 18 close to one end of first support bar 16 through the side wall of first support bar 16 and with
Limit chamber is slidably connected, first support bar 16 and the opposite one end of second support bar 18 respectively at pipe hollow stem 17 both ends side wall
And be rotatablely connected with the first opposite sliding shoe 19, the opposite one end side wall of socket block 7 is arranged with two the 3rd limited blocks
2, the side wall of four the 3rd limited blocks 2 is equipped with the 4th sliding groove, and the 4th slip is slidably connected in four the 4th sliding grooves
Block is rotatablely connected between the 4th sliding shoe and opposite the second sliding shoe by the 4th connecting rod 4, and motor is servomotor.
In the present invention, when needing to be sealed, start two the second motors 25, the second driving wheel 24 is driven to rotate,
While second driving wheel 24 rotates, the second driven wheel 30 can be made to drive 31 turns of the second threaded rod 29 and the 3rd threaded rod respectively
It is dynamic, and the 3rd threaded rod 31 can move in thread cavity so that two the 3rd moving blocks 27 can drive two the respectively
Three connecting rods 28 drive the second arc block 3 and the lateral wall of the pump housing 1 to offset, and can play the effect of sealing, two first slips
Block 19 slides in two the first sliding grooves, makes it have certain buffering effect.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of sealing device of bitumenpump, including the pump housing（1）, which is characterized in that the pump housing（1）Outside be equipped with socket block
（7）, the socket block（7）Opposite one end side wall is arranged with two the first limited blocks（14）, four first /Vs
Block（14）Side wall be equipped with the first sliding groove, slidably connect the first sliding shoe in four first sliding grooves（19）,
Four first sliding shoes（19）Side wall be rotatably connected to head rod（15）, two opposite first connections
Bar（15）Between connected by buffer unit, the buffer unit include the first arc block（26）, first arc block（26）
Sidewall symmetry set there are two the second limited block（8）, two second limited blocks（8）Side wall be equipped with the second sliding groove,
The second sliding shoe, two head rods are slidably connected in two second sliding grooves（15）It is slided away from first
Block（19）One end be rotatablely connected respectively with opposite the second sliding shoe, the pump housing（1）Opposite one end side wall is equipped with
Two arc blocks（3）, two second arc blocks（3）Away from the pump housing（1）One end and the first arc block（26）Between pass through
Second sealing device connects.
2. the sealing device of a kind of bitumenpump according to claim 1, which is characterized in that second sealing device includes
Extend through the first arc block（26）The second threaded rod on side wall（29）With the 3rd threaded rod（31）, second threaded rod
（29）Be internally threaded chamber, the 3rd threaded rod（31）Close to the second threaded rod（29）One end run through the second threaded rod
（31）Side wall and be threadedly coupled with thread cavity, second threaded rod（29）With the 3rd threaded rod（31）The equal screw thread of lateral wall
It is connected with the second driven wheel（30）, two second driven wheels（30）With the first arc block（26）Between pass through second rotate
Block（32）Rotation connection, second limited block（8）Both ends side wall be fixedly connected with the second motor（25）, two described
Two motors（25）Output shaft end be fixedly connected with and the second driven wheel（30）Intermeshing second driving wheel（24）, institute
State the second threaded rod（29）Side wall and the 3rd threaded rod（31）Side wall between be connected with mobile device, the mobile device is remote
From the first arc block（26）One end and the pump housing（1）Side wall offset.
3. the sealing device of a kind of bitumenpump according to claim 2, which is characterized in that the mobile device includes difference
It is rotatably connected on the second threaded rod（29）With the 3rd threaded rod（31）Two the 3rd moving blocks on side wall（27）, two described
Three moving blocks（27）Side wall be rotatably connected to the 3rd connecting rod（28）, two the 3rd connecting rods（28）It is rotated away from the 3rd
Block（27）One end pass through the second arc block（3）Rotation connection.
A kind of 4. sealing device of bitumenpump according to claim 1, which is characterized in that the socket block（7）Opposite
One end side wall is equipped with extension apparatus, the both sides of the extension apparatus respectively with the first opposite sliding shoe（19）Side wall rotate
Connection.
5. the sealing device of a kind of bitumenpump according to claim 4, which is characterized in that the extension apparatus includes fixing
In socket block（7）Supporting block on madial wall（13）, the supporting block（13）Side wall be fixedly connected with hollow stem（17）, it is described
Hollow stem（17）Be internally provided with hollow cavity, slidably connect first support bar respectively in the hollow cavity（16）With the second support
Bar（18）, the first support bar（16）Be internally provided with limit chamber, the second support bar（18）Close to first support bar
（16）One end run through first support bar（16）Side wall and be slidably connected with limit chamber, the first support bar（16）With second
Supporting rod（18）Opposite one end hollow stem at pipe respectively（17）Both ends side wall and with the first opposite sliding shoe（19）It rotates
Connection.
A kind of 6. sealing device of bitumenpump according to claim 1, which is characterized in that the socket block（7）Opposite
One end side wall is arranged with two the 3rd limited blocks（2）, four the 3rd limited blocks（2）Side wall be equipped with the 4th slip
Slot, the 4th sliding shoe is slidably connected in four the 4th sliding grooves, and the 4th sliding shoe is slided with opposite second
Pass through the 4th connecting rod between block（4）Rotation connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324757.6A CN108087286B (en) | 2017-12-13 | 2017-12-13 | A kind of sealing device of bitumenpump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324757.6A CN108087286B (en) | 2017-12-13 | 2017-12-13 | A kind of sealing device of bitumenpump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087286A true CN108087286A (en) | 2018-05-29 |
| CN108087286B CN108087286B (en) | 2019-05-03 |
Family
ID=62175196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324757.6A Active CN108087286B (en) | 2017-12-13 | 2017-12-13 | A kind of sealing device of bitumenpump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087286B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392728A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Circulating water pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007093A1 (en) * | 2001-02-23 | 2010-01-14 | Grondahl Clayton M | Seal Assembly and Rotary Machine Containing Such Seal |
| CN201650752U (en) * | 2010-03-29 | 2010-11-24 | 广东科顺化工实业有限公司 | Asphalt pump |
| JP2014020425A (en) * | 2012-07-17 | 2014-02-03 | Nippon Pillar Packing Co Ltd | Mechanical seal |
| CN206555140U (en) * | 2017-03-01 | 2017-10-13 | 理昂生态能源股份有限公司 | A kind of energy-saving circulation water pump |
-
2017
- 2017-12-13 CN CN201711324757.6A patent/CN108087286B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007093A1 (en) * | 2001-02-23 | 2010-01-14 | Grondahl Clayton M | Seal Assembly and Rotary Machine Containing Such Seal |
| CN201650752U (en) * | 2010-03-29 | 2010-11-24 | 广东科顺化工实业有限公司 | Asphalt pump |
| JP2014020425A (en) * | 2012-07-17 | 2014-02-03 | Nippon Pillar Packing Co Ltd | Mechanical seal |
| CN206555140U (en) * | 2017-03-01 | 2017-10-13 | 理昂生态能源股份有限公司 | A kind of energy-saving circulation water pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392728A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Circulating water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108087286B (en) | 2019-05-03 |
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