CN108087286B - A kind of sealing device of bitumenpump - Google Patents
A kind of sealing device of bitumenpump Download PDFInfo
- Publication number
- CN108087286B CN108087286B CN201711324757.6A CN201711324757A CN108087286B CN 108087286 B CN108087286 B CN 108087286B CN 201711324757 A CN201711324757 A CN 201711324757A CN 108087286 B CN108087286 B CN 108087286B
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- CN
- China
- Prior art keywords
- side wall
- block
- threaded rod
- opposite
- sliding
- 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.)
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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 symmetrically 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 first connecting rod, it is connected between two opposite first connecting 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.Structure of the invention design is rationally, easy to operate, not only convenient for users to disassembly, but also has certain buffering effect.
Description
Technical field
The present invention relates to the technical field of sealing technology pumped in asphalt delivery more particularly to a kind of sealing devices of bitumenpump.
Background technique
The sealing structure conventional machinery sealing of asphalt delivery pump refers to and is existed by least a pair of end face perpendicular to rotation axis
It keeps under the action of Fluid pressure and compensation mechanism elastic force and under the cooperation of auxiliary seal being bonded and constituting with respect to sliding
The device for preventing fluid from leaking, original common spring mechanical are easy breakage, cannot reuse, must update every time, this just makes
At a large amount of waste, and a good sealing device, it should there is certain buffering effect.
Summary of the invention
The purpose of the present invention is to solve a kind of pitches that cannot be dismantled, not have the drawbacks of buffering effect, and propose
The sealing device of pump not only convenient for users to disassembly, but also has certain buffering effect.
To achieve the goals above, present invention employs following technical solutions:
A kind of sealing device of bitumenpump, including the pump housing, the outside of the pump housing are equipped with socket block, and the socket block is opposite
One end side wall be symmetrically 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 rotatablely connected
There is a first connecting rod, connected between two opposite first connecting rods by buffer unit, the buffer unit includes the
One arc block, the sidewall symmetry of first arc block are set there are two the second limited block, the side wall of two second limited blocks
It is equipped with the second sliding groove, the second sliding shoe, two first connections are slidably connected in two second sliding grooves
The one end of bar far from the first sliding shoe is rotatablely connected with opposite the second sliding shoe respectively, and the opposite one end side wall of the pump housing is equal
Equipped with the second arc block, two one end of second arc block far from the pump housing and between the first arc block by second sealing
Device connection.
Preferably, second sealing device includes the second threaded rod and third extended through on the first arc block side wall
Threaded rod, second threaded rod are internally threaded chamber, and the third 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 the lateral wall of second threaded rod and third threaded rod connects
It is connected to the second driven wheel, is rotatablely connected by the second rotating block between two second driven wheels and the first arc block, institute
The both ends side wall for stating the second limited block is fixedly connected to 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 third threaded rod
Between be connected with mobile device, the side wall of the mobile device one end and the pump housing far from the first arc block offsets.
Preferably, the mobile device includes two be rotatably connected on the second threaded rod and third threaded rod side wall respectively
A third rotating block, the side wall of two third rotating blocks are rotatably connected to third connecting rod, the two third connecting rods
One end far from third rotating 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 two 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 inner sidewall, the side wall of the supporting block
It is fixedly connected with hollow stem, the inside of the hollow stem is equipped with hollow cavity, slidably connects first respectively in the hollow cavity
The inside of strut and second support bar, the first support bar is equipped 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 extends through the both ends side wall of hollow stem and is rotatablely connected with the first opposite sliding shoe.
Preferably, the opposite one end side wall of the socket block is symmetrically arranged with two third limited blocks, four thirds
The side wall of limited block is equipped with the 4th sliding groove, slidably connects the 4th sliding shoe 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 rotation of the second driving wheel is driven, second
While driving wheel rotates, it can make the second driven wheel that the second threaded rod and third threaded rod be driven to rotate respectively, and third
Threaded rod can move in thread cavity, enable two third rotating blocks that two third connecting rods is driven 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
Sliding, makes it have certain buffering effect.Structure of the invention design is rationally, easy to operate, not only convenient for users to disassembly, and
And there is certain buffering effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic 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 structural schematic 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 third 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 first connecting rods, 16 first support bars, 17 hollow stems, 18 second support bars, 19 first sliding shoes, 20 thirds
Arc block, 21 second connecting rods, 22 third sliding shoes, 23 link blocks, 24 second driving wheels, 25 second motors, 26 first arcs
Block, 27 third rotating blocks, 28 third connecting rods, 29 second threaded rods, 30 second driven wheels, 31 third threaded rods, 32 second turns
Motion block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1: referring to Fig.1-3, a kind of sealing device of bitumenpump, including the pump housing 1, the outside of the pump housing 1 are equipped with socket
Block 7, the opposite one end side wall of socket block 7 are symmetrically 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 first connecting rod 15, is connected between two opposite first connecting rods 15 by buffer unit, buffering dress
It sets including the first arc block 26, the sidewall symmetry of the first arc block 26 is set 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 first connecting rods are slidably connected in two the second sliding grooves
15 one end far from the first sliding shoe 19 are rotatablely connected with opposite the second sliding shoe respectively, and the opposite one end side wall of the pump housing 1 is equal
It is close by second between two the second arc blocks 3 one end and the first arc block 26 far from the pump housing 1 equipped with the second arc block 3
Seal apparatus connection, starts first motor 10, and 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 rotation enables the first threaded rod 12 to buffer stopper 9, connection while the rotation of the first driven wheel 6
Block 23 is mobile, while link block 23 is mobile, two third sliding shoes 22 is enabled to drive two 21 Hes of the second connecting rod
Third arc block 20 is mobile, and third arc block 20 and the lateral wall of the pump housing 1 are offseted.
In the present invention, the second sealing device includes the second threaded rod 29 and extended through on 26 side wall of the first arc block
Three threaded rods 31, the second threaded rod 29 are internally threaded chamber, and third 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 29 and is threadedly coupled with thread cavity, the equal spiral shell of lateral wall of the second threaded rod 29 and third threaded rod 31
Line is connected with the second driven wheel 30, is rotated by the second rotating block 32 between two the second driven wheels 30 and the first arc block 26
Connection, the both ends side wall of the second limited block 8 are fixedly connected to the second motor 25, and the output shaft end of two the second motors 25 is equal
It is fixedly connected with and intermeshing second driving wheel 24 of the second driven wheel 30, the side wall and third threaded rod of the second threaded rod 29
Mobile device is connected between 31 side wall, the side wall of mobile device one end and the pump housing 1 far from the first arc block 26 offsets, and moves
Dynamic device includes two third rotating blocks 27 being rotatably connected on 31 side wall of the second threaded rod 29 and third threaded rod respectively, and two
The side wall of a third rotating block 27 is rotatably connected to third connecting rod 28, and two third connecting rods 28 are far from third rotating 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 with the side wall of the first opposite sliding shoe 19 respectively, and extension apparatus includes being fixed on socket 7 inner sidewall of block
Supporting block 13, the side wall of supporting block 13 are fixedly connected with hollow stem 17, and the inside of hollow stem 17 is equipped with hollow cavity, divides in hollow cavity
First support bar 16 and second support bar 18 are not slidably connected, and the inside of first support bar 16 is equipped 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 extend through hollow stem 17 both ends side wall and with 19 turns opposite of the first sliding shoe
Dynamic connection, the opposite one end side wall of socket block 7 are symmetrically arranged with two third limited blocks 2, and the side wall of four third 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: referring to Fig. 2-5, applying the present invention to a kind of outside framework oil seal structure of bitumenpump, including the pump housing 1, pumps
The outside of body 1 is equipped with socket block 7, and the opposite one end side wall of socket block 7 runs through 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 side 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 rotating block, the both ends side wall of socket block 7 is equipped with first motor 10, the output shaft of first motor 10
End be fixedly connected to intermeshing first driving wheel 11 of the first driven wheel 6, be socketed 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 wall of four the first sliding shoes 19 is rotatably connected to first connecting rod 15, and two
It is connected between a opposite first connecting 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 wall of two the second limited blocks 8 is equipped with the second sliding groove, and two the
Slidably connect the second sliding shoe in two sliding grooves, the one end of two first connecting rods 15 far 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 by the second sealing device between one end and the first arc block 26 far from the pump housing 1, starts first motor 10, respectively band
Dynamic first driving wheel 11 rotation drives the rotation of the first driven wheel 6, at 6 turns of the first driven wheel under the action of the first driving wheel 11
While dynamic, enable the first threaded rod 12 mobile to buffer stopper 9, link block 23, it, can while link block 23 is mobile
So that two third sliding shoes 22 drive two the second connecting rods 21 and third arc block 20 mobile, by third 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, and multiple damping springs are equipped in dashpot, and the one end of multiple damping springs far from dashpot inner sidewall is logical
The rotation connection of link block 23 is crossed, link block 23 is equipped with third sliding groove far from one end of damping spring, is equipped in third sliding groove
Two third sliding shoes 22, two one end of third sliding shoe 22 far from third sliding groove are rotatably connected to the second connecting rod
21, the one end of two the second connecting rods 21 far from third sliding shoe 22 is rotatablely connected by third arc block 20, two third 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 third threaded rod 31 on side wall, the second threaded rod 29 are internally threaded chamber, third threaded rod 31
It is threadedly coupled through the side wall of the second threaded rod 29 and with thread cavity, 29 He of the second threaded rod close to one end of the second threaded rod 29
The lateral wall of third 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 rotating block 32, the both ends side wall of the second limited block 8 is fixedly connected to the second motor 25, two
The output shaft end of second motor 25 is fixedly connected to and intermeshing second driving wheel 24 of the second driven wheel 30, the second spiral shell
Mobile device is connected between the side wall of rasp bar 29 and the side wall of third threaded rod 31, mobile device is far 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 31 side of the second threaded rod 29 and third threaded rod respectively
Two third rotating blocks 27 on wall, the side wall of two third rotating blocks 27 are rotatably connected to third connecting rod 28, two thirds
The one end of connecting rod 28 far from third rotating 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 two sides of extension apparatus are rotatablely connected with the side wall of the first opposite sliding shoe 19 respectively, extension apparatus packet
The supporting block 13 being fixed on socket 7 inner sidewall of block is included, the side wall of supporting block 13 is fixedly connected with hollow stem 17, hollow stem 17
Inside is equipped with hollow cavity, slidably connects first support bar 16 and second support bar 18, first support bar 16 respectively in hollow cavity
Inside be equipped with limit chamber, second support bar 18 close to one end of first support bar 16 through first support bar 16 side wall and with
Limit chamber is slidably connected, and first support bar 16 and the opposite one end of second support bar 18 extend through the both ends side wall of hollow stem 17
And be rotatablely connected with the first opposite sliding shoe 19, the opposite one end side wall of socket block 7 is symmetrically arranged with two third limited blocks
2, the side wall of four third limited blocks 2 is equipped with the 4th sliding groove, and the 4th sliding 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 servo motor.
In the present invention, when needing to be sealed, start two the second motors 25, drives the rotation of the second driving wheel 24,
While second driving wheel 24 rotates, the second driven wheel 30 can be made to drive the second threaded rod 29 and 31 turns of third threaded rod respectively
It is dynamic, and third threaded rod 31 can move in thread cavity, enable two third rotating blocks 27 to 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 slidings
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 scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention 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 outside of the pump housing (1) is equipped with socket block
(7), the opposite one end side wall of socket block (7) is symmetrically arranged with two the first limited blocks (14), four first limits
The side wall of block (14) is equipped with the first sliding groove, slidably connects the first sliding shoe (19) in four first sliding grooves,
The side wall of four first sliding shoes (19) is rotatably connected to first connecting rod (15), two opposite first connections
It is connected between bar (15) by buffer unit, the buffer unit includes the first arc block (26), first arc block (26)
Sidewall symmetry set there are two the second limited block (8), the side wall of two second limited blocks (8) is equipped with the second sliding groove,
The second sliding shoe is slidably connected in two second sliding grooves, two first connecting rods (15) are far from the first sliding
One end of block (19) is rotatablely connected with opposite the second sliding shoe respectively, and the opposite one end side wall of the pump housing (1) is equipped with the
Two arc blocks (3) pass through between one end and the first arc block (26) of two second arc blocks (3) separate the pump housing (1)
The connection of second sealing device.
2. a kind of sealing device of bitumenpump according to claim 1, which is characterized in that second sealing device includes
Extend through the second threaded rod (29) and third threaded rod (31) on the first arc block (26) side wall, second threaded rod
(29) be internally threaded chamber, the third threaded rod (31) runs through the second threaded rod close to the one end of the second threaded rod (29)
(29) side wall is simultaneously threadedly coupled, the equal screw thread of lateral wall of second threaded rod (29) and third threaded rod (31) with thread cavity
It is connected with the second driven wheel (30), passes through the second rotation between two second driven wheels (30) and the first arc block (26)
Block (32) rotation connection, the both ends side wall of second limited block (8) is fixedly connected to the second motor (25), and two described the
The output shaft end of two motors (25) is fixedly connected to and intermeshing second driving wheel (24) of the second driven wheel (30), institute
It states and is connected with mobile device between the side wall of the second threaded rod (29) and the side wall of third threaded rod (31), the mobile device is remote
The side wall of one end and the pump housing (1) from the first arc block (26) offsets.
3. a kind of sealing device of bitumenpump according to claim 2, which is characterized in that the mobile device includes difference
Two third rotating blocks (27) being rotatably connected on the second threaded rod (29) and third threaded rod (31) side wall, two described
The side wall of three rotating blocks (27) is rotatably connected to third connecting rod (28), and the two third connecting rods (28) rotate far from third
One end of block (27) is rotatablely connected by the second arc block (3).
4. a kind of sealing device of bitumenpump according to claim 1, which is characterized in that the socket block (7) is opposite
One end side wall is equipped with extension apparatus, and the two sides of the extension apparatus are rotated with the side wall of opposite the first sliding shoe (19) respectively
Connection.
5. a kind of sealing device of bitumenpump according to claim 4, which is characterized in that the extension apparatus includes fixing
Supporting block (13) on socket block (7) inner sidewall, the side wall of the supporting block (13) is fixedly connected with hollow stem (17), described
The inside of hollow stem (17) is equipped with hollow cavity, slidably connects first support bar (16) and the second support in the hollow cavity respectively
Bar (18), the inside of the first support bar (16) are equipped with limit chamber, and the second support bar (18) is close to first support bar
(16) one end runs through the side wall of first support bar (16) and is slidably connected with limit chamber, the first support bar (16) and second
The opposite one end of support rod (18) extends through the both ends side wall of hollow stem (17) and rotates with opposite the first sliding shoe (19)
Connection.
6. a kind of sealing device of bitumenpump according to claim 1, which is characterized in that the socket block (7) is opposite
One end side wall is symmetrically arranged with two third limited blocks (2), and the side wall of four third limited blocks (2) is equipped with the 4th sliding
Slot slidably connects the 4th sliding shoe, the 4th sliding shoe and the second opposite sliding in four the 4th sliding grooves
It is rotatablely connected between block by the 4th connecting rod (4).
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 CN108087286A (en) | 2018-05-29 |
| CN108087286B true CN108087286B (en) | 2019-05-03 |
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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 |
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| CN (1) | CN108087286B (en) |
Families Citing this family (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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
-
2017
- 2017-12-13 CN CN201711324757.6A patent/CN108087286B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN108087286A (en) | 2018-05-29 |
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