CN108453990A - Insulating tube foaming process middle port automatic-sealed and pressing device - Google Patents
Insulating tube foaming process middle port automatic-sealed and pressing device Download PDFInfo
- Publication number
- CN108453990A CN108453990A CN201810285429.8A CN201810285429A CN108453990A CN 108453990 A CN108453990 A CN 108453990A CN 201810285429 A CN201810285429 A CN 201810285429A CN 108453990 A CN108453990 A CN 108453990A
- Authority
- CN
- China
- Prior art keywords
- seal ring
- ring
- push
- sealing
- pull
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005187 foaming Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000013011 mating Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0089—Sealing devices placed between articles and treatment installations during moulding or shaping, e.g. sealing off the entrance or exit of ovens or irradiation rooms, connections between rooms at different pressures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/18—Filling preformed cavities
- B29C44/188—Sealing off parts of the cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Automatic Assembly (AREA)
Abstract
The present invention relates to a kind of insulating tube foaming process middle port automatic-sealed and pressing devices, device is integrally made of sealing loop mechanism, vertical lifting mechanism, horizontal pushing pressure mechanism and bracket institution, the automatic-sealed and compression of insulating tube foaming process middle port can be achieved, working efficiency is improved, cost of labor is reduced.
Description
Technical field
The present invention relates to a kind of insulating tube foaming process middle port automatic-sealed and pressing devices, belong to Machine Design neck
Domain.
Background technology
" tube-in-tube " formula prefabricated direct-buried thermal insulation pipe is one of main pipe form used by current city heat supply engineering,
Basic structure includes working steel tube, insulating layer, outer tube and leakage alarm line etc..Insulating tube foamed process has been installed to having covered
Working steel tube and outer tube between annular space fill expanding foam solution, by foaming form insulating layer.To prevent foaming process
Middle expanding foam solution is leaked from both ends, before foamed process, needs that the ring port between working steel tube and outer tube is sealed and pressed
Tightly.Currently, the port sealing of production scene with compress process mainly by being accomplished manually.First, inner seal ring set is attached to work
Make the external part of steel pipe, the operative end surface of inner seal ring blocks annular space.Secondly, outer seal ring set is attached to working steel tube
External part.Then, between outer seal ring and inner seal ring Gask-O-Seal is arranged along the outer surface of working steel tube.Most
Afterwards, the sealing ring at insulating tube both ends is compressed simultaneously by hydraulic device.The above operation process usually requires 4 people and coordinates completion,
Operating efficiency is low, high labor cost.The present invention devises a kind of insulating tube foaming process middle port automatic-sealed and pressing device,
Related manual work can be replaced, operating efficiency is substantially increased.
Invention content
The present invention devises a kind of insulating tube foaming process middle port automatic-sealed and pressing device, can be in " tube-in-tube " formula
In insulating tube production process, instead of before manually being foamed port sealing with compress operation.To realize above-mentioned target, the present invention
Using following technical scheme：
Insulating tube foaming process middle port automatic-sealed is with pressing device by sealing loop mechanism, vertical lifting mechanism, horizontal pushing pressure
Mechanism and bracket institution are constituted.
Loop mechanism is sealed by inner seal ring（1）, outer seal ring（2）And gasket（17）It constitutes.Inner seal ring（1）Work
End face is planar annular, the sealing for the ring port between working steel tube and outer tube.Inner seal ring（1）Mating surface on
Process an outer annular flanges（B）, two pieces of inner seal ring supporting blocks（A）It is symmetrically welded at inner seal ring（1）Mating surface outer rim
Place.Outer seal ring（2）Mating surface on process an outer annular flanges（D）, two pieces of outer seal ring supporting blocks（C）It is symmetrically welded at
Outer seal ring（2）Back side outer rim at.Before sealing loop mechanism is compacted, gasket（17）It is built in inner seal ring（1）With it is outer close
Seal ring（2）Two mating surfaces between, and gasket（17）Inner ring and working steel tube periphery clearance fit, gasket（17）'s
Outer ring and inner annular flange（B）Inner ring transition cooperation, inner annular flange（B）Outer ring and outer annular flanges（D）Inner ring between
Gap coordinates.After sealing loop mechanism is compacted, gasket（17）The power that is squeezed deforms, and inner ring is closely matched with working steel tube periphery
It closes, outer ring and inner annular flange（B）Inner ring be fitted close.
Vertical lifting mechanism is by " L " type supporting block（3）, rectangle riser guide（4）, lifting hydraulic cylinder（5）, lift cylinders branch
Support（6）, sealing ring support（14）It constitutes.Seal ring support（14）By two root posts（H）With a crossbeam（I）It is welded.
Lifting hydraulic cylinder（5）Pedestal pass through bolt and lift cylinders supporting rack（6）Bottom surface fix, lifting hydraulic cylinder（5）Piston rod
End passes through sealing ring support（14）Crossbeam（I）On mounting hole, and pass through lift cylinders locking nut（15）Locking.Two pieces " L "
Type supporting block（3）According to the height of sealing loop mechanism center line, it is inserted into sealing ring support respectively（14）Two columns（H）Upper left and right pair
The slot of title（E）It is interior, and be fastened by bolts.Two root rectangle riser guides（4）Sealing is fixed on by dormant bolt respectively
Ring support（14）Two columns（H）Outside.Seal the inner seal ring supporting block of loop mechanism both sides（A）With outer seal ring supporting block
（C）It is individually positioned in " L " type supporting block（3）With sealing ring support（14）Between in the U-typed slot that is formed.
Bracket institution is by bracket upright post（7）, rack platform（8）And holder footing（G）It is welded, four bracket upright posts
（7）It is square tube component, rack platform（8）For U-typed board member, holder footing（G）For rectangular board member.Bracket institution passes through
Four holder footing（G）It is connected with ground, and is bolted.
Horizontal pushing pressure mechanism is by lift cylinders supporting rack（6）, hold-down cylinder bearing（9）, compress hydraulic cylinder（10）, horizontal guide rail
（11）, push-and-pull holder（13）, horizontal slider（16）It constitutes.Push and pull holder（13）By push-pull arm（J）, push-and-pull beam（K）And reinforcing rib
It is welded.Compress hydraulic cylinder（10）Pedestal pass through bolt, nut and hold-down cylinder bearing（9）It is fixed, hold-down cylinder bearing（9）It is logical
Cross bolt, nut is fixed on the rack platform of bracket institution（8）On.Compress hydraulic cylinder（10）Piston rod end be each passed through liter
Cylinder supporting rack drops（6）The mounting hole and push-and-pull holder at top（13）Push and pull beam（K）Intermediate mounting hole, and by hold-down cylinder locking screw
It is female（12）Locking.Push and pull holder（13）Push-pull arm（J）The lifting sliding slot at both ends（F）Respectively with sealing ring support（14）Column（H）
The rectangle riser guide of both sides（4）Cooperation.Two horizontal guide rails（11）Bracket institution is symmetrically fixed on by bolt, nut respectively
Rack platform（8）On.Two pieces of horizontal sliders（16）It is bolted on push-and-pull holder respectively（13）Two push-pull arms（J）'s
Outside, and two pieces of horizontal sliders（16）Guide surface respectively with rack platform（8）On horizontal guide rail（11）Cooperation.
Compared with prior art, the present invention has the following advantages：
1, inner seal ring, outer seal ring and gasket are integrated mechanism, can be to the annular between working steel tube and outer tube
Annular gap between port, inner seal ring and working steel tube outer surface is effectively sealed.
2, the level height of sealing loop mechanism center line can carry out coarse adjustment and hydraulic lifting by " L " type supporting block
Mechanism carries out accurate adjustment section, and the cooperation of two kinds of regulative modes is suitable for the aligning requirement of different-diameter insulating tube.
3, horizontal hold-down mechanism is normal pressure, is suitable for the compression requirement of large insulation pipe.
Description of the drawings
Fig. 1 keeps the temperature pipe port automatic-sealed and pressing device front view
Fig. 2 keeps the temperature pipe port automatic-sealed and pressing device left view
Fig. 3 keeps the temperature pipe port automatic-sealed and pressing device vertical view
Fig. 4 seals loop mechanism front view
Fig. 5 seals loop mechanism vertical view
Fig. 6 inner seal ring front views
Fig. 7 inner seal ring vertical views
Fig. 8 outer seal ring front views
Fig. 9 outer seal ring vertical views
Figure 10 seals ring support front view
Figure 11 pushes and pulls holder front view
Figure 12 pushes and pulls holder left view
Figure 13 lift cylinders supporting rack front views
Figure 14 lift cylinders supporting rack left views
Figure 15 holder front views
Figure 16 holder vertical views
Figure 17 " L " type supporting block front view
Figure 18 " L " type supporting block vertical view
In figure：1, inner seal ring, 2, outer seal ring, 3, " L " type supporting block, 4, rectangle riser guide, 5, lifting hydraulic cylinder, 6,
Lift cylinders supporting rack, 7, bracket upright post, 8, rack platform, 9, hold-down cylinder bearing, 10, compress hydraulic cylinder, 11, horizontal guide rail, 12,
Hold-down cylinder locking nut, 13, push-and-pull holder, 14, sealing ring support, 15, lift cylinders locking nut, 16, horizontal slider, 17, close
Packing, A, inner seal ring supporting block, B, inner annular flange, C, outer seal ring supporting block, D, outer annular flanges, E, the support of " L " type
Block slot, F, lifting sliding slot, G, holder footing, H, column, I, crossbeam, J, push-pull arm, K, push-and-pull beam.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
It please refers to Fig.1 to Figure 18, the present invention devises a kind of insulating tube foaming process middle port automatic-sealed and pressing device, can
In " tube-in-tube " formula insulating tube production process, instead of before manually being foamed port sealing with compress operation.For in realization
Target is stated, the present invention uses following technical scheme：
Insulating tube foaming process middle port automatic-sealed is with pressing device by sealing loop mechanism, vertical lifting mechanism, horizontal pushing pressure
Mechanism and bracket institution are constituted.
The sealing loop mechanism is by inner seal ring（1）, outer seal ring（2）And gasket（17）It constitutes.Inner seal ring（1）
Operative end surface be planar annular, the sealing for ring port between working steel tube and outer tube.Inner seal ring（1）Match
An outer annular flanges are processed on conjunction face（B）, two pieces of inner seal ring supporting blocks（A）It is symmetrically welded at inner seal ring（1）Cooperation
At the outer rim of face.Outer seal ring（2）Mating surface on process an outer annular flanges（D）, two pieces of outer seal ring supporting blocks（C）Symmetrically
It is welded on outer seal ring（2）Back side outer rim at.Before sealing loop mechanism is compacted, gasket（17）It is built in inner seal ring（1）
And outer seal ring（2）Two mating surfaces between, and gasket（17）Inner ring and working steel tube periphery clearance fit, gasket
（17）Outer ring and inner annular flange（B）Inner ring transition cooperation, inner annular flange（B）Outer ring and outer annular flanges（D）'s
Inner ring clearance fit.After sealing loop mechanism is compacted, gasket（17）The power that is squeezed deforms, inner ring and working steel tube periphery
It is fitted close, outer ring and inner annular flange（B）Inner ring be fitted close.
The vertical lifting mechanism is by " L " type supporting block（3）, rectangle riser guide（4）, lifting hydraulic cylinder（5）, rise
Cylinder supporting rack drops（6）, sealing ring support（14）It constitutes.Seal ring support（14）By two root posts（H）With a crossbeam（I）Welding
It forms.Lifting hydraulic cylinder（5）Pedestal pass through bolt and lift cylinders supporting rack（6）Bottom surface fix, lifting hydraulic cylinder（5）Work
Stopper rod end passes through sealing ring support（14）Crossbeam（I）On mounting hole, and pass through lift cylinders locking nut（15）Locking.Two pieces
" L " type supporting block（3）According to the height of sealing loop mechanism center line, it is inserted into sealing ring support respectively（14）Two columns（H）A upper left side
Right symmetrical slot（E）It is interior, and be fastened by bolts.Two root rectangle riser guides（4）It is fixed on respectively by dormant bolt
Seal ring support（14）Two columns（H）Outside.Seal the inner seal ring supporting block of loop mechanism both sides（A）It is supported with outer seal ring
Block（C）It is individually positioned in " L " type supporting block（3）With sealing ring support（14）Between in the U-typed slot that is formed.
The bracket institution is by bracket upright post（7）, rack platform（8）And holder footing（G）It is welded, four holders
Column（7）It is square tube component, rack platform（8）For U-typed board member, holder footing（G）For rectangular board member.Bracket institution
Pass through four holder footing（G）It is connected with ground, and is bolted.
The horizontal pushing pressure mechanism is by lift cylinders supporting rack（6）, hold-down cylinder bearing（9）, compress hydraulic cylinder（10）, it is horizontal
Guide rail（11）, push-and-pull holder（13）, horizontal slider（16）It constitutes.Push and pull holder（13）By push-pull arm（J）, push-and-pull beam（K）And add
Strengthening tendons are welded.Compress hydraulic cylinder（10）Pedestal pass through bolt, nut and hold-down cylinder bearing（9）It is fixed, hold-down cylinder bearing
（9）The rack platform of bracket institution is fixed on by bolt, nut（8）On.Compress hydraulic cylinder（10）Piston rod end difference
Across lift cylinders supporting rack（6）The mounting hole and push-and-pull holder at top（13）Push and pull beam（K）Intermediate mounting hole, and by hold-down cylinder
Locking nut（12）Locking.Push and pull holder（13）Push-pull arm（J）The lifting sliding slot at both ends（F）Respectively with sealing ring support（14）It is vertical
Column（H）The rectangle riser guide of both sides（4）Cooperation.Two horizontal guide rails（11）Branch is symmetrically fixed on by bolt, nut respectively
The rack platform of frame mechanism（8）On.Two pieces of horizontal sliders（16）It is bolted on push-and-pull holder respectively（13）Two push-and-pulls
Arm（J）Outside, and two pieces of horizontal sliders（16）Guide surface respectively with rack platform（8）On horizontal guide rail（11）Cooperation.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (5)
1. insulating tube foaming process middle port automatic-sealed and pressing device are characterized in that：Device it is whole by sealing loop mechanism,
Vertical lifting mechanism, horizontal pushing pressure mechanism and bracket institution constitute the automatic-sealed, it can be achieved that insulating tube foaming process middle port
With compression.
2. sealing loop mechanism described in is by inner seal ring（1）, outer seal ring（2）And gasket（17）It constitutes；Inner seal ring（1）'s
Operative end surface is planar annular, the sealing for the ring port between working steel tube and outer tube；Inner seal ring（1）Cooperation
An outer annular flanges are processed on face（B）, two pieces of inner seal ring supporting blocks（A）It is symmetrically welded at inner seal ring（1）Mating surface
At outer rim；Outer seal ring（2）Mating surface on process an outer annular flanges（D）, two pieces of outer seal ring supporting blocks（C）Balanced welding
It is connected on outer seal ring（2）Back side outer rim at；Before sealing loop mechanism is compacted, gasket（17）It is built in inner seal ring（1）With
Outer seal ring（2）Two mating surfaces between, and gasket（17）Inner ring and working steel tube periphery clearance fit, gasket
（17）Outer ring and inner annular flange（B）Inner ring transition cooperation, inner annular flange（B）Outer ring and outer annular flanges（D）'s
Inner ring clearance fit；After sealing loop mechanism is compacted, gasket（17）The power that is squeezed deforms, inner ring and working steel tube periphery
It is fitted close, outer ring and inner annular flange（B）Inner ring be fitted close.
3. vertical lifting mechanism described in is by " L " type supporting block（3）, rectangle riser guide（4）, lifting hydraulic cylinder（5）, lifting
Cylinder supporting rack（6）, sealing ring support（14）It constitutes；Seal ring support（14）By two root posts（H）With a crossbeam（I）Welding and
At；Lifting hydraulic cylinder（5）Pedestal pass through bolt and lift cylinders supporting rack（6）Bottom surface fix, lifting hydraulic cylinder（5）Piston
Boom end passes through sealing ring support（14）Crossbeam（I）On mounting hole, and pass through lift cylinders locking nut（15）Locking；Two pieces
" L " type supporting block（3）According to the height of sealing loop mechanism center line, it is inserted into sealing ring support respectively（14）Two columns（H）A upper left side
Right symmetrical slot（E）It is interior, and be fastened by bolts；Two root rectangle riser guides（4）It is fixed on respectively by dormant bolt
Seal ring support（14）Two columns（H）Outside；Seal the inner seal ring supporting block of loop mechanism both sides（A）It is supported with outer seal ring
Block（C）It is individually positioned in " L " type supporting block（3）With sealing ring support（14）Between in the U-typed slot that is formed.
4. bracket institution described in is by bracket upright post（7）, rack platform（8）And holder footing（G）It is welded, four branch erect
Column（7）It is square tube component, rack platform（8）For U-typed board member, holder footing（G）For rectangular board member；Bracket institution is logical
Cross four holder footing（G）It is connected with ground, and is bolted.
5. horizontal pushing pressure mechanism described in is by lift cylinders supporting rack（6）, hold-down cylinder bearing（9）, compress hydraulic cylinder（10）, level leads
Rail（11）, push-and-pull holder（13）, horizontal slider（16）It constitutes；Push and pull holder（13）By push-pull arm（J）, push-and-pull beam（K）And reinforce
Muscle is welded；Compress hydraulic cylinder（10）Pedestal pass through bolt, nut and hold-down cylinder bearing（9）It is fixed, hold-down cylinder bearing（9）
The rack platform of bracket institution is fixed on by bolt, nut（8）On；Compress hydraulic cylinder（10）Piston rod end be each passed through
Lift cylinders supporting rack（6）The mounting hole and push-and-pull holder at top（13）Push and pull beam（K）Intermediate mounting hole, and locked by hold-down cylinder
Nut（12）Locking；Push and pull holder（13）Push-pull arm（J）The lifting sliding slot at both ends（F）Respectively with sealing ring support（14）Column
（H）The rectangle riser guide of both sides（4）Cooperation；Two horizontal guide rails（11）Holder is symmetrically fixed on by bolt, nut respectively
The rack platform of mechanism（8）On；Two pieces of horizontal sliders（16）It is bolted on push-and-pull holder respectively（13）Two push-pull arms
（J）Outside, and two pieces of horizontal sliders（16）Guide surface respectively with rack platform（8）On horizontal guide rail（11）Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285429.8A CN108453990A (en) | 2018-04-03 | 2018-04-03 | Insulating tube foaming process middle port automatic-sealed and pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285429.8A CN108453990A (en) | 2018-04-03 | 2018-04-03 | Insulating tube foaming process middle port automatic-sealed and pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108453990A true CN108453990A (en) | 2018-08-28 |
Family
ID=63237096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285429.8A Pending CN108453990A (en) | 2018-04-03 | 2018-04-03 | Insulating tube foaming process middle port automatic-sealed and pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108453990A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388518A (en) * | 2019-08-06 | 2019-10-29 | 济宁聚能热力保温建材有限公司 | The bracket that a kind of mould set steel direct-buried insulating tube is used in conjunction convenient for adjusting |
| CN114770962A (en) * | 2022-03-18 | 2022-07-22 | 天津太合节能科技有限公司 | Horizontal fine adjustment and pressing mechanism for end cover of pipe-in-pipe type heat-insulating pipe plugging machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5015000A (en) * | 1990-06-28 | 1991-05-14 | Moog Controls, Inc. | Floating seal arrangement |
| CN103062576A (en) * | 2011-10-24 | 2013-04-24 | 胜利油田胜利石油化工建设有限责任公司 | Foam insulated pipe plugging device and plugging method |
| CN104633376A (en) * | 2015-01-30 | 2015-05-20 | 唐山丰南君业节能保温材料有限公司 | Prefabricated direct-buried thermal insulating pipe foaming plugging device and usage method |
| CN204977214U (en) * | 2015-05-14 | 2016-01-20 | 唐山兴邦管道工程设备有限公司 | Automatic hydraulic pressure flange seal device |
| CN107310089A (en) * | 2017-08-29 | 2017-11-03 | 天津天地龙管业股份有限公司 | A kind of new prefabricated built on stilts zinc-plated insulating tube pipe plug device |
-
2018
- 2018-04-03 CN CN201810285429.8A patent/CN108453990A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5015000A (en) * | 1990-06-28 | 1991-05-14 | Moog Controls, Inc. | Floating seal arrangement |
| CN103062576A (en) * | 2011-10-24 | 2013-04-24 | 胜利油田胜利石油化工建设有限责任公司 | Foam insulated pipe plugging device and plugging method |
| CN104633376A (en) * | 2015-01-30 | 2015-05-20 | 唐山丰南君业节能保温材料有限公司 | Prefabricated direct-buried thermal insulating pipe foaming plugging device and usage method |
| CN204977214U (en) * | 2015-05-14 | 2016-01-20 | 唐山兴邦管道工程设备有限公司 | Automatic hydraulic pressure flange seal device |
| CN107310089A (en) * | 2017-08-29 | 2017-11-03 | 天津天地龙管业股份有限公司 | A kind of new prefabricated built on stilts zinc-plated insulating tube pipe plug device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388518A (en) * | 2019-08-06 | 2019-10-29 | 济宁聚能热力保温建材有限公司 | The bracket that a kind of mould set steel direct-buried insulating tube is used in conjunction convenient for adjusting |
| CN114770962A (en) * | 2022-03-18 | 2022-07-22 | 天津太合节能科技有限公司 | Horizontal fine adjustment and pressing mechanism for end cover of pipe-in-pipe type heat-insulating pipe plugging machine |
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