CN107178670A - A kind of flexible pipe slewing equipment - Google Patents
A kind of flexible pipe slewing equipment Download PDFInfo
- Publication number
- CN107178670A CN107178670A CN201710323468.8A CN201710323468A CN107178670A CN 107178670 A CN107178670 A CN 107178670A CN 201710323468 A CN201710323468 A CN 201710323468A CN 107178670 A CN107178670 A CN 107178670A
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- CN
- China
- Prior art keywords
- flexible pipe
- inner sleeve
- slewing equipment
- revolution
- revolving hood
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims description 17
- 230000003993 interaction Effects 0.000 claims description 2
- 230000016507 interphase Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0861—Arrangements of joints with one another and with pipes or hoses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a kind of flexible pipe slewing equipment, the positioner is installed between revolving hood and revolution inner sleeve, detent ball is arranged in revolution inner sleeve balls ride groove by ball fixed cover wherein in positioner, and locating dowel is integrated with revolving hood in positioner；The slewing equipment is installed between steel pipe and flexible pipe, and wherein two parts are symmetrical above and below revolving hood in slewing equipment, is linked together by fixed lock and hanger；The sealing device is installed on steel pipe flange disk with turning round at inner sleeve and revolving hood composition surface, flexible pipe is with turning round at inner sleeve composition surface, inner sleeve and revolving hood joint are turned round, turning labyrinth sealing, bellow seal, wedge gap are used to realize slewing equipment axial seal wherein in sealing device.The present invention realizes flexible pipe revolution and positioning function by adding turning positioning apparatus in flexible pipe both sides, turns round flexible pipe position by timing in actual use effectively to extend flexible pipe service life in flexible pipe.
Description
Technical field
This is more particularly to a kind of to realize flexible pipe slewing equipment for being connected flexible pipe the present invention relates to pipe technology field.
Background technology
Slurry shield is between each chassis and bifurcated pipe junction typically can be using the mode that is flexible coupling, and flexible pipe is in circulation system
Acted on for the use of mainly having two in：
1) compressibility this chassis can be allowed to produce a range of axially and radially displacement in motion；
2) shock-absorbing properties flexible pipe main material is made up of rubber therefore absorption material can be played in material conveying process
The effect of impact.
But simultaneously as material problem, is flexible coupling in severe geology, such as cobble stratum, easily there is abnormal mill in flexible pipe
Even worn out etc. phenomenon is damaged, this conveys stability on slurry shield circulation system and high efficient driving produces not small influence.For
The above-mentioned existing invention of Problem of Failure proposes a kind of swinging hose positioning device.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of flexible pipe slewing equipment, by flexible pipe two
Side connection slewing equipment realizes the revolute function and positioning function of flexible pipe, so that in use by way of periodically turning round
Effectively extend the service life of flexible pipe.
A kind of flexible pipe slewing equipment proposed by the present invention, including steel pipe, radial seal, turning labyrinth sealing, bolt hole, ripple
Line sealing, revolving hood lower half, the revolving hood first half, wedge gap, floating bearing, locating dowel, detent ball, ball are fixed
Set, retaining spring, revolution inner sleeve, screwed hole, flexible pipe, fixed lock, hanger, positioning hole, slide rail, locating dowel slotted eye, ball peace
Put groove, seal groove, wherein locating dowel, detent ball, ball fixed cover, retaining spring, positioning hole, slide rail, locating dowel slotted eye, rolling
Pearl mounting groove constitutes positioner, and revolving hood lower half, the revolving hood first half, floating bearing, revolution inner sleeve, fixation are latched, hung
Ear constitutes slewing equipment, and radial seal, turning labyrinth sealing, bellow seal, wedge gap, seal groove constitute sealing device；Institute
State positioner to be installed between revolving hood and revolution inner sleeve, wherein detent ball is installed by ball fixed cover in positioner
In revolution inner sleeve balls ride groove, locating dowel is integrated with revolving hood in positioner；The slewing equipment is installed on steel pipe
Between flexible pipe, wherein two parts are symmetrical above and below revolving hood in slewing equipment, and one is connected to by fixed lock and hanger
Rise；The sealing device is installed on steel pipe flange disk and at revolution inner sleeve and revolving hood composition surface, flexible pipe in revolution with being socketed
Conjunction face place, revolution inner sleeve and revolving hood joint, turning labyrinth sealing, bellow seal, wedge gap are used wherein in sealing device
In realizing slewing equipment axial seal, radial seal is used to realize slewing equipment with sealing at steel pipe and flexible pipe faying face.
Preferably, two-way position assurance position stability is carried out using detent ball and locating dowel in positioner, wherein
Ball emplacement depth is more than locating dowel emplacement depth.Wherein locating dowel is connected with revolving hood, is mainly used in enhancing positioning work(
Revolving hood and revolution inner sleeve interphase interaction can be prevented, detent ball is fixed on revolution inner sleeve side, not only has positioning function same
When also ensure locating cover with revolution in inner room mutual motion.
Preferably, depending on the locating dowel group number and detent ball number are according to orientation angle, locating dowel quantity can edge
Axisymmetrical distribution also can be distributed in side, and locating dowel position is determined according to demand.
Preferably, in the slewing equipment revolving hood be divided into above and below two parts be arranged symmetrically, pass through fixed lock ear capable of hoisting
Connection is realized, floating bearing is distributed between revolving hood and revolution inner sleeve, and revolution inner sleeve is monoblock type, in actual use may be used
Effectively to extend the slewing equipment life-span by changing revolution inner sleeve.
Preferably, realized at revolving hood and revolution inner sleeve composition surface by three seals, wherein front end junction has first
Sealing rotation labyrinth seal, the second sealing bellow seal, end junction has the 3rd sealed wedged close.
Preferably, height is sealed in the upper turning labyrinth of revolution inner sleeve and is less than the bearing bore diameter for being fixed in revolution and covering.
Preferably, its changing rule of the wedge gap on revolving hood is gradually to increase from left to right.
Preferably, radial seal is provided with steel pipe, flexible pipe and slewing equipment faying face, radial seal is used to realize steel
Sealing at pipe, flexible pipe and slewing equipment composition surface, sealing ring turns round labyrinth seal, bellow seal and wedge along radial distribution
Shape gap is used for real revolving hood and turns round the multi-sealed of interior inner room, it is ensured that the sealing property of revolving hood and inner room in revolution.
The present invention realizes flexible pipe revolution and positioning function by adding turning positioning apparatus in flexible pipe both sides, real in flexible pipe
By timing revolution flexible pipe position so as to effectively extend flexible pipe service life during the use of border, revolving hood in next slewing equipment
With revolution inner sleeve using separation connected mode, so when turn round inner sleeve there is inordinate wear when need to only change revolution inner sleeve just can,
Slewing equipment service life can effectively be extended.
Brief description of the drawings
Fig. 1 is a kind of flexible pipe slewing equipment scheme of installation.
Fig. 2 is a kind of flexible pipe slewing equipment revolving hood left surface schematic diagram.
Fig. 3 is a kind of flexible pipe slewing equipment revolving hood right flank schematic diagram.
Fig. 4 is that a kind of flexible pipe slewing equipment turns round inner sleeve left surface schematic diagram.
Fig. 5 is a kind of flexible pipe slewing equipment positioner schematic diagram.
Fig. 6 is a kind of another positioner schematic diagram of flexible pipe slewing equipment.
Fig. 7 is a kind of structural representation of the first sealing device of flexible pipe slewing equipment.
Fig. 8 is a kind of structural representation of second of sealing device of flexible pipe slewing equipment.
Fig. 9 is a kind of structural representation of the third sealing device of flexible pipe slewing equipment.
Figure 10 is a kind of structural representation of the 4th kind of sealing device of flexible pipe slewing equipment.
In figure：1st, steel pipe；2nd, radial seal；3rd, turning labyrinth is sealed；4th, bolt hole；5th, bellow seal；6th, under revolving hood
Half portion；7th, the revolving hood first half；8th, wedge gap；9th, floating bearing；10th, locating dowel；11st, detent ball；12nd, ball is fixed
Set；13rd, spring；14th, inner sleeve is turned round；15th, screwed hole；16th, flexible pipe；17th, fixed lock；18th, hanger；19th, positioning hole；20th, it is sliding
Rail；21st, locating dowel slotted eye；22nd, balls ride groove；23rd, seal groove.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
As shown in figure 1, a kind of flexible pipe slewing equipment of the present invention, it is mainly by positioner, slewing equipment and close
Seal apparatus is constituted, and wherein positioner is by locating dowel 10, detent ball 11, ball fixed cover 12, retaining spring 13, positioning hole
19th, slide rail 20, locating dowel slotted eye 21, balls ride groove 22 are constituted, and slewing equipment is by revolving hood lower half 6, the revolving hood first half
7th, floating bearing 9, revolution inner sleeve 14, fixed lock 17, hanger 18 are constituted, and sealing device is sealed by radial seal 2, turning labyrinth
3rd, bellow seal 5, wedge gap 8, seal groove 23 are constituted.It is characterized in that：The positioner is installed on revolving hood 6 and revolution
Between inner sleeve 14, the slewing equipment is installed between steel pipe 1 and flexible pipe 16, and the sealing device is installed on steel pipe 1 and revolution
At inner sleeve 14 and the composition surface of revolving hood 6, flexible pipe 16 is with revolution inner sleeve 14 composition surface, turning round inner sleeve 14 and the joint of revolving hood 6.
As shown in Fig. 1, Fig. 5, Fig. 6, a kind of positioner for flexible pipe slewing equipment that the present invention is provided, the positioner
Positioning function is realized by detent ball 11 and locating dowel 10, wherein detent ball 11 by ball fixed cover 12, spring 13 with
And balls ride groove 22 is fixed in revolution inner sleeve 14, and with the adjacent side of revolving hood 6,7, revolution inner sleeve is distributed in an angle of 90 degrees
14, the number of detent ball 11 and distribution angle can be adjusted according to actual use, in the opposite side revolving hood of detent ball 11
The slide rail 20 slided for detent ball 11 is milled with 14, and positioning hole 19 is milled with correspondence distribution angle, its depth is slightly deep
In the depth of slide rail 20.Locating dowel 10 is fixed on revolving hood 6,7 and is milled with slide rail side, is distributed in equal mode for cloth outside slide rail 20
Side, the outer surface of locating dowel 10 is more coarse, the number of locating dowel 10 can according to the actual requirements depending on, 10 groups of several evidences of locating dowel consolidate
Depending on determining the number of ball 11, while being milled with corresponding locating dowel slotted eye 21 in the revolution inner sleeve 14 of the correspondence position of locating dowel 11.
In existing positioner, main positioning function is realized by detent ball 11, and the emplacement depth of ball 11, which is slightly shallower than locating dowel 10, to be determined
Bit depth, the orientation of locating dowel 10 is relative with the orientation of detent ball 11, so as to realize two-way positioning, is conducive to improving fixed
Position device position stability.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of slewing equipment for flexible pipe slewing equipment that the present invention is provided, slewing equipment is main
By revolving hood 6,7, floating bearing 9 and revolution inner sleeve 10 are constituted, the wherein distribution symmetrical above and below of revolving hood 6,7, to latch 17 connections
Mode is fixed on floating bearing 9, and is milled with corresponding positioning hole 19 in the correspondence position of floating bearing 9, and is connected by bolt hole 4
Connect mode to be connected with steel pipe, depending on the quantity of bolt hole 4 is according to real needs.Floating bearing 9 is installed on the revolution He of inner sleeve 14
Between revolving hood 6,7, revolution inner sleeve 14 outer surface is fixed on by hot charging mode, the quantity of floating bearing 9 is according to revolution inner sleeve 14
Depending on length.Revolution inner sleeve 14 is monoblock type, is engaged togather by screwed hole 15 with flexible pipe 16, the quantity of screwed hole 15 is according to tool
Depending on body demand.
As shown in Fig. 1, Fig. 5-10, a kind of sealing device for flexible pipe slewing equipment that the present invention is provided, sealing device is main
It is made up of radial seal 2, turning labyrinth sealing 3, bellow seal 5, wedge gap 8 and seal groove 23, sealing device is mainly included
Two pieces of sealing, one is to ensure the sealing between revolving hood 6,7 and revolution inner sleeve 14, two be ensure slewing equipment and steel pipe 1 with
And the sealing between flexible pipe 16.To ensure the sealing property between revolving hood 6,7 and revolution inner sleeve 14, in revolving hood 6,7 and steel pipe 1
Junction is provided with first of radial seal 2, and radial seal 2 is realized by the sealing ring being placed in seal groove 23, sealing ring
Number amount and type according to real needs depending on, road sealing is provided for preventing the harmful substances such as external moisture from invading revolving hood
6th, in 7.Second sealing is placed at revolving hood 6,7 and revolution inner sleeve 14 axial engagement face, and 3 sides are sealed using turning labyrinth
Formula, turning labyrinth seals 3 parts and is located at below radial seal 2 and is highly less than the internal diameter of floating bearing 9 in revolution inner sleeve 14, should
Road is sealed for being penetrated into preventing movement clearance of the slurries between revolution inner sleeve 14 and steel pipe 1 between revolving hood 6,7 and floating bearing 9
Region is damaged to floating bearing 9.The 3rd road bellow seal is provided with adjacent to second sealing, respectively in revolving hood 6,7
Ring baffle plane and the annular rooved face of revolution inner sleeve 14 are milled with corrugated striped, between the two dislocation arrangement, its function be into
One step prevents mud slurries from invading region between revolving hood 6,7 and floating bearing 9.In gyroaxis cover 6,7 and revolution inner sleeve 14 end
Wedge gap 8 is provided with faying face, the gap of wedge gap 8 gradually increases from left to right, is sealed by being smeared in wedge gap 8
Grease is realized and sealed at this, prevents that harmful substance is invaded in air.
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 the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of flexible pipe slewing equipment, including steel pipe, radial seal, turning labyrinth sealing, bolt hole, bellow seal, revolving hood
Lower half, the revolving hood first half, wedge gap, floating bearing, locating dowel, detent ball, ball fixed cover, retaining spring, return
Turn inner sleeve, screwed hole, flexible pipe, fixed lock, hanger, positioning hole, slide rail, locating dowel slotted eye, balls ride groove, seal groove, its
Middle locating dowel, detent ball, ball fixed cover, retaining spring, positioning hole, slide rail, locating dowel slotted eye, balls ride groove constitute fixed
Position device, revolving hood lower half, the revolving hood first half, floating bearing, revolution inner sleeve, fixed lock, hanger constitute slewing equipment,
Radial seal, turning labyrinth sealing, bellow seal, wedge gap, seal groove constitute sealing device；The positioner is installed on
Between revolving hood and revolution inner sleeve, detent ball is arranged on revolution inner sleeve ball by ball fixed cover and pacified wherein in positioner
Put in groove, locating dowel is integrated with revolving hood in positioner；The slewing equipment is installed between steel pipe and flexible pipe, wherein returning
Two parts are symmetrical above and below revolving hood in rotary device, linked together by fixed lock and hanger；The sealing device peace
Loaded on steel pipe flange disk with revolution inner sleeve and revolving hood composition surface, flexible pipe with revolution inner sleeve composition surface, revolution inner sleeve with
Turning labyrinth sealing, bellow seal, wedge gap are used to realize slewing equipment axial direction in revolving hood joint, wherein sealing device
Sealing, radial seal is used to realize slewing equipment with sealing at steel pipe and flexible pipe faying face.
2. a kind of flexible pipe slewing equipment according to claim 1, it is characterised in that in positioner using detent ball and
Locating dowel carries out two-way position assurance position stability, and wherein ball emplacement depth is more than locating dowel emplacement depth, wherein positioning
Post is connected with revolving hood, prevents revolving hood and revolution inner sleeve interphase interaction for strengthening positioning function, detent ball is solid
Due to revolution inner sleeve side, it is ensured that the mutual motion of locating cover and inner room in revolution.
3. a kind of flexible pipe slewing equipment according to claim 2, it is characterised in that the locating dowel group number and detent ball
Depending on number is according to orientation angle, locating dowel quantity also can be distributed in side along axisymmetrical distribution, and locating dowel position is according to need
Ask determination.
4. a kind of flexible pipe slewing equipment according to claim 1, it is characterised in that revolving hood is divided into the slewing equipment
Two parts are arranged symmetrically up and down, latch ear realization connection capable of hoisting by fixed, floating bearing is distributed in revolving hood and revolution inner sleeve
Between, revolution inner sleeve is monoblock type, can effectively extend the slewing equipment life-span by changing revolution inner sleeve in actual use.
5. a kind of flexible pipe slewing equipment according to claim 1 or 4, it is characterised in that revolving hood and revolution inner sleeve engagement
Realized at face by three seals, wherein front end junction has the first sealing to rotate labyrinth seal, the second sealing bellow seal, end
End junction has the 3rd sealed wedged close.
6. a kind of flexible pipe slewing equipment according to claim 1 or 4, it is characterised in that in the upper rotation fan of revolution inner sleeve
Palace sealing height is less than the bearing bore diameter for being fixed on and being put in revolution.
7. a kind of flexible pipe slewing equipment according to claim 1 or 4, it is characterised in that the wedge gap on revolving hood
Its changing rule is gradually to increase from left to right.
8. a kind of flexible pipe slewing equipment according to claim 1, it is characterised in that in steel pipe, flexible pipe and slewing equipment knot
Conjunction face place is provided with radial seal, and radial seal is used to realize the sealing at steel pipe, flexible pipe and slewing equipment composition surface, sealing ring edge
Radial distribution, revolution labyrinth seal, bellow seal and wedge gap are used for real revolving hood and turn round the multi-sealed of interior inner room,
Ensure the sealing property of revolving hood and inner room in revolution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323468.8A CN107178670A (en) | 2017-05-10 | 2017-05-10 | A kind of flexible pipe slewing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323468.8A CN107178670A (en) | 2017-05-10 | 2017-05-10 | A kind of flexible pipe slewing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107178670A true CN107178670A (en) | 2017-09-19 |
Family
ID=59832477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323468.8A Withdrawn CN107178670A (en) | 2017-05-10 | 2017-05-10 | A kind of flexible pipe slewing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107178670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630782A (en) * | 2018-12-17 | 2019-04-16 | 宁波世峻汽配科技有限公司 | A kind of rubber oil hose for facilitating suspension fixed |
| CN114321116A (en) * | 2022-03-14 | 2022-04-12 | 深圳市中航环海建设工程有限公司 | Adjustable connecting piece of tubular structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041437A (en) * | 1988-09-29 | 1990-04-18 | 株式会社特友克斯 | Fastening means for hoses |
| CN103671852A (en) * | 2012-09-13 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | High-speed gearbox sealing device and high-speed gearbox with same |
| CN204083590U (en) * | 2014-07-14 | 2015-01-07 | 宁波海迈克精密机械制造有限公司 | A kind of swivel coupling |
| CN105317220A (en) * | 2014-07-18 | 2016-02-10 | 中联重科股份有限公司 | Material conveyance hose protecting device, distributing mechanism and concrete pumping equipment |
| CN206817000U (en) * | 2017-05-10 | 2017-12-29 | 中铁十四局集团有限公司 | A kind of flexible pipe slewing equipment |
-
2017
- 2017-05-10 CN CN201710323468.8A patent/CN107178670A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041437A (en) * | 1988-09-29 | 1990-04-18 | 株式会社特友克斯 | Fastening means for hoses |
| CN103671852A (en) * | 2012-09-13 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | High-speed gearbox sealing device and high-speed gearbox with same |
| CN204083590U (en) * | 2014-07-14 | 2015-01-07 | 宁波海迈克精密机械制造有限公司 | A kind of swivel coupling |
| CN105317220A (en) * | 2014-07-18 | 2016-02-10 | 中联重科股份有限公司 | Material conveyance hose protecting device, distributing mechanism and concrete pumping equipment |
| CN206817000U (en) * | 2017-05-10 | 2017-12-29 | 中铁十四局集团有限公司 | A kind of flexible pipe slewing equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630782A (en) * | 2018-12-17 | 2019-04-16 | 宁波世峻汽配科技有限公司 | A kind of rubber oil hose for facilitating suspension fixed |
| CN109630782B (en) * | 2018-12-17 | 2021-02-05 | 宁波世峻汽配科技有限公司 | Rubber oil pipe convenient to hang and fix |
| CN114321116A (en) * | 2022-03-14 | 2022-04-12 | 深圳市中航环海建设工程有限公司 | Adjustable connecting piece of tubular structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170919 |
|
| WW01 | Invention patent application withdrawn after publication |