CN111331773A - End plug for pouring heat-insulating pipe and pipe plug installation method - Google Patents
End plug for pouring heat-insulating pipe and pipe plug installation method Download PDFInfo
- Publication number
- CN111331773A CN111331773A CN202010266036.XA CN202010266036A CN111331773A CN 111331773 A CN111331773 A CN 111331773A CN 202010266036 A CN202010266036 A CN 202010266036A CN 111331773 A CN111331773 A CN 111331773A
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- CN
- China
- Prior art keywords
- plug
- pipe
- pouring
- heat preservation
- attaching
- 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 17
- 238000009434 installation Methods 0.000 title claims abstract description 7
- 238000004321 preservation Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
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
- B29C44/02—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
Landscapes
- Pipe Accessories (AREA)
Abstract
The invention provides an end plug for pouring a heat-insulating pipe and a pipe plug installation method. In the using process, the attaching plug body is tightly attached to the clamping part of the pipe plug, the force is applied to the attaching plug body through the power-assisted assembly, the pipe plug and the end head of the heat-insulating pipe are in a compression state, and in addition, the attaching plug can compress a sealing strip between the steel pipe and the pipe plug to realize sealing; the plug body is annular, so that the pipe plug is uniformly stressed.
Description
Technical Field
The invention relates to the technical field of heat preservation pipes, in particular to an end plug for pouring a heat preservation pipe and a pipe plug installation method.
Background
The heat preservation pipe comprises a steel pipe, a heat preservation layer and a polyethylene outer protection layer from inside to outside in sequence, in the production process, the steel pipe penetrates into the polyethylene outer protection layer firstly, then polyurethane heat preservation materials are poured in the holes formed in the middle of the polyethylene outer protection layer to form the heat preservation layer, and in the process of pouring the polyurethane heat preservation materials, pipe plugs are needed to seal two ends of a cavity formed by the steel pipe and the polyethylene outer protection layer. The pipe plug first enters the end of the insulating pipe, but cannot be uniformly compressed.
Disclosure of Invention
In view of the above, the invention provides an end plug for pouring a heat preservation pipe and a pipe plug installation method, and the pipe plug is compressed through the end plug.
The invention provides an end plug for pouring a heat preservation pipe, which comprises a plug body and a power-assisted assembly connected with the plug body, wherein the plug body is a circular ring.
Preferably, the power assisting assembly comprises a thrust frame, the thrust frame comprises a stress part and supporting arms uniformly distributed on the periphery of the stress part, and the supporting arms are connected with the plug body.
Preferably, the force receiving portion is circular or polygonal.
Preferably, the center of the force-bearing part is provided with a mounting hole for mounting a power device.
Preferably, a plurality of groups of first fixing holes are arranged on the supporting arm so as to connect the plugging bodies with different diameters.
Preferably, the boosting assembly further comprises a plug connecting bracket, and the thrust frame is connected with the plug body through the plug connecting bracket.
Preferably, the booster assembly comprises a hook assembly.
Preferably, the hook assembly includes a hook and a hook base.
The invention provides a method for installing an end plug for pouring a heat-insulating pipe, which comprises the following steps of sleeving a pipe plug at the end part of the heat-insulating pipe; pushing the pipe plug by using the auxiliary plug; and after the pipe plug is tightly pressed, the attaching plug is detached.
Preferably, the pipe plug and the plug are fixed to each other by the hook assembly before the plug is pushed.
The invention has the advantages and positive effects that: the invention provides an attaching plug, which comprises an attaching plug body and a power-assisted assembly connected with the attaching plug body, wherein in the using process, the attaching plug body is tightly attached to a clamping part of a pipe plug, force is applied to the attaching plug body through the power-assisted assembly, the pipe plug and the end head of a heat-insulating pipe are in a compression state, and in addition, the attaching plug can compress a sealing strip between a steel pipe and the pipe plug to realize sealing; the plug body is annular, so that the pipe plug is uniformly stressed.
Drawings
FIG. 1 is a schematic structural view of the plug of the present invention;
FIG. 2 is a schematic side view of the fitting of the present invention with a pipe plug;
FIG. 3 is a schematic structural view of the obturating body of the present invention;
FIG. 4 is a schematic view of the pipe plug and the insulating pipe of the present invention;
FIG. 5 is a schematic structural view of a pipe plug of the present invention;
FIG. 6 is a schematic structural view of the thrust frame of the present invention;
FIG. 7 is a cross-sectional view taken in the direction BB in FIG. 6;
FIG. 8 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 9 is a schematic view of the cooperative arrangement of the hook assembly and accessory plug attachment bracket of the present invention;
FIG. 10 is a schematic view of the hook construction of the present invention;
fig. 11 is a schematic structural view of the hanger base of the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.
As shown in fig. 1 to 3, a first aspect of the present invention provides an end plug for pouring a thermal insulation pipe, where the end plug includes a plug body 10 and a power assisting assembly 20 connected to the plug body 10, and the plug body 10 is a circular ring.
As shown in fig. 4, the heat preservation pipe 40 sequentially includes three layers, i.e., a steel pipe 401, a heat preservation layer 402 and a polyethylene outer sheath 403 from inside to outside, in a production process, the steel pipe 401 firstly penetrates into the polyethylene outer sheath 403, then a polyurethane heat preservation material is poured into a hole in the middle of the polyethylene outer sheath 403 to form the heat preservation layer 402, and in a process of pouring the polyurethane heat preservation material, two ends of a cavity formed by the steel pipe 401 and the polyethylene outer sheath 403 need to be sealed by pipe plugs 30.
As shown in fig. 4 and 5, the pipe plug 30 includes: the heat insulation pipe comprises a plugging part 301, a clamping part 302 arranged on one side of the plugging part 301, and a guide part 303 arranged on the other side of the plugging part 301, wherein the plugging part 301, the clamping part 302 and the guide part 303 are coaxial and have the same inner diameter, and the inner diameters of the plugging part 301, the clamping part 302 and the guide part 303 are slightly larger than the outer diameter of a steel pipe 401 of the heat insulation pipe 40; in the using process, the plugging portion 301 and the guiding portion 303 of the pipe plug 30 need to enter the cavity formed by the steel pipe 401 and the polyethylene outer protective layer 403, but the pipe plug cannot be compressed, in addition, a safety gap is formed between the steel pipe 401 and the pipe plug 30, a sealing strip needs to be sleeved on the back side of the pipe plug 302 to seal the gap, and the sealing strip cannot be compressed.
The invention provides an attaching plug, which comprises an attaching plug body 10 and a power-assisted assembly 20 connected with the attaching plug body 10, wherein in the using process, the attaching plug body 10 is tightly attached to a clamping part 302 of a pipe plug 30, force is applied to the attaching plug body 10 through the power-assisted assembly, the pipe plug 30 and the end of a heat-insulating pipe 40 are in a compression state, and in addition, the attaching plug can compress a sealing strip between a steel pipe 401 and the pipe plug 30 to realize sealing; the plug body 10 of the present invention is formed in a circular ring shape, so that the pipe plug 30 is uniformly stressed.
As shown in fig. 2, 6 and 7, in a preferred embodiment of the present invention, the boosting assembly 20 includes a thrust frame 201, the thrust frame 201 includes a force-receiving portion 2011 and support arms 2012 uniformly distributed around the force-receiving portion 2011, and the support arms 2012 are connected to the plug body 10.
Specifically, the force receiving portion 2011 has a circular or polygonal shape; a mounting hole 2013 is formed in the center of the force-bearing part 2011 and used for mounting a power device; the support arms 2012 can be set to 3 groups, 4 groups, 5 groups or more, when the force receiving portion 2011 is circular, the support arms 2012 can be set to any number, and when the force receiving portion 2011 is polygonal, the support arms 2012 are set to the number corresponding to the number of sides of the polygon. For example, in a specific embodiment of the present invention, the force receiving portion 2011 is configured as a square, and a supporting arm 2012 is disposed on each side of the force receiving portion 2011 in the positive direction, that is, 4 groups of supporting arms 2012 are disposed.
Further, as shown in fig. 6, a plurality of sets of first fixing holes 2014 are provided on the supporting arm 2012 to connect the plugging bodies 10 with different diameters; meanwhile, in order to reinforce the strength of the support arm 2012 and make the support arm 2012 uniform, a plurality of ribs 2015 are disposed on each support arm 2012 at the center and on both sides.
As shown in fig. 2 and 8, in a preferred embodiment of the present invention, the boosting assembly 20 further includes a plug connecting bracket 202, and the thrust frame 201 is connected to the plug body 10 through the plug connecting bracket 202.
In this embodiment, one end of the plug connecting bracket 202 is connected to the thrust frame 201, and the other end is connected to the plug body 10, specifically, one end of the plug connecting bracket 202 is provided with a second fixing hole 2021 matched with the first fixing hole 2014 on the support arm 2012, and by matching the second fixing hole 2021 and a plurality of groups of the first fixing holes 2014, the support arm 2012 is suitable for plug bodies 10 with different diameters, and thus is suitable for pipe plugs with different diameters; in addition, the other end of the plug connecting bracket 202 is provided with a third fixing hole 2022, the plug body 10 is provided with a fourth fixing hole 101 matching with the third fixing hole 2022, and the plug connecting bracket 202 is connected with the plug body 10 through the third fixing hole 2022 and the fourth fixing hole 101.
Further, the power assisting assembly 20 comprises a hook assembly 203, and the fixing between the plug and the pipe plug is realized through the hook assembly 203. The hook component 203 is used when the pipe plug 30 is disassembled after foaming, and the pipe plug 30 is disassembled at one time by means of the plugging force.
As shown in fig. 2, 9, 10 and 11, in a preferred embodiment of the present invention, the hooking member 203 is provided on the attacliment connection bracket 202; the hook assembly 203 comprises a hook 2031 and a hook base 2032, and the hook 2031 is disposed on the plug connecting bracket 202 through the hook base 2032; specifically, the hook 2031 comprises a clamping arm 20311 and a hook fixing part 20312 integrally arranged with the clamping arm 20311, the clamping arm 20311 is L-shaped, one side of the L-shaped clamping arm 20311 is used for clamping the pipe plug, and the other end is provided with the hook fixing part 20312; the length of one side for realizing clamping is set according to the actual size of the pipe plug; the hook fixing portion 20312 is used for realizing connection with the hook base 2032; specifically, the hook fixing portion 20312 is provided with a plurality of sets of fifth fixing holes 20313, the hook base 2032 is provided with a sixth fixing hole 20321 matched with the fifth fixing hole 20313, and the fifth fixing hole 20313 and the sixth fixing hole 20321 are connected by a pin.
In this embodiment, the plug body 10 is tightly attached to the clamping portion 302 of the plug 30, the force-assisting component applies a force to the plug body 10 to press the plug 30 and the end of the insulating tube 40, and meanwhile, the hook 2031 of the hook component 203 is clamped to the clamping portion 302 of the plug 30 to fix the plug 30, the plug 30 and the plug are fixed to each other, and in the process of removing the plug 30, that is, in the process of applying a pulling force to the plug 30 by the plug, the hook 2031 of the hook component 203 is clamped to the clamping portion 302 of the plug 30 to drive the plug 30 to be removed together.
The second aspect of the invention provides an end plug installation method for pouring a heat preservation pipe, which specifically comprises the following steps: sleeving the pipe plug on the end part of the heat-insulating pipe, and pushing the pipe plug by using the attached plug; and after the pipe plug is tightly pressed, the attaching plug is detached.
Further, the pipe plug and the attaching plug are fixed with each other through the hook assembly before the attaching plug pushes the pipe plug.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. The utility model provides a heat preservation pipe is poured with end and is attached stifled which characterized in that: the attaching plug comprises an attaching plug body and a power-assisted assembly connected with the attaching plug body, wherein the attaching plug body is a circular ring.
2. The end plug for pouring the heat preservation pipe according to claim 1, characterized in that: the boosting assembly comprises a thrust frame, the thrust frame comprises a stress part and supporting arms uniformly distributed on the periphery of the stress part, and the supporting arms are connected with the plug body.
3. The end plug for pouring the heat preservation pipe according to claim 2, characterized in that: the stress part is circular or polygonal.
4. The end plug for pouring the heat-insulating pipe according to claim 2 or 3, characterized in that: and the center of the stress part is provided with a mounting hole for mounting a power device.
5. The end plug for pouring the heat preservation pipe according to claim 2, characterized in that: the supporting arm is provided with a plurality of groups of first fixing holes so as to connect the attached plug bodies with different diameters.
6. The tip plug for pouring the thermal insulation pipe according to claim 2, 3 or 5, characterized in that: the boosting assembly further comprises an attaching plug connecting support, and the thrust frame is connected with the attaching plug body through the attaching plug connecting support.
7. The end plug for pouring the heat preservation pipe according to claim 6, characterized in that: the boosting assembly comprises a hook assembly.
8. The end plug for pouring the heat preservation pipe according to claim 7, characterized in that: the hook component comprises a hook and a hook base.
9. An end pipe plug installation method for pouring a heat preservation pipe is characterized by comprising the following steps: sleeving a pipe plug at the end part of the heat-insulating pipe; advancing a tubular closure with an appendage as defined in any one of claims 1 to 8; and after the pipe plug is tightly pressed, the attaching plug is detached.
10. The method for installing the end plug for pouring the heat preservation pipe according to claim 1, which is characterized in that: before the pipe plug is pushed by the attaching plug, the pipe plug and the attaching plug are fixed with each other through the hook assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266036.XA CN111331773A (en) | 2020-04-07 | 2020-04-07 | End plug for pouring heat-insulating pipe and pipe plug installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266036.XA CN111331773A (en) | 2020-04-07 | 2020-04-07 | End plug for pouring heat-insulating pipe and pipe plug installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111331773A true CN111331773A (en) | 2020-06-26 |
Family
ID=71176874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010266036.XA Pending CN111331773A (en) | 2020-04-07 | 2020-04-07 | End plug for pouring heat-insulating pipe and pipe plug installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111331773A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204868051U (en) * | 2015-08-18 | 2015-12-16 | 天津市津能管业有限公司 | Stifled machine on heavy -calibre insulating tube |
| CN107310090A (en) * | 2017-08-29 | 2017-11-03 | 天津天地龙管业股份有限公司 | Pipe plug device is used in a kind of Novel heat insulating tube foaming |
| CN208290312U (en) * | 2018-06-15 | 2018-12-28 | 大庆市首创钢管制造有限公司 | A kind of two step method polyurethane foam production line apparatus |
| CN208290313U (en) * | 2018-06-15 | 2018-12-28 | 大庆市首创钢管制造有限公司 | A kind of black jacket tube production line foaming platform of novel two step method |
| CN209395132U (en) * | 2018-10-30 | 2019-09-17 | 中投(天津)智能管道股份有限公司 | A kind of insulating tube foaming agent injection molding block head |
| CN209920394U (en) * | 2019-05-05 | 2020-01-10 | 奥菲德（天津）管道科技有限公司 | Polyurethane insulating tube production is with stifled machine on two chock plugs |
| CN212764379U (en) * | 2020-04-07 | 2021-03-23 | 天津太合节能科技有限公司 | End plug for pouring heat preservation pipe |
-
2020
- 2020-04-07 CN CN202010266036.XA patent/CN111331773A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204868051U (en) * | 2015-08-18 | 2015-12-16 | 天津市津能管业有限公司 | Stifled machine on heavy -calibre insulating tube |
| CN107310090A (en) * | 2017-08-29 | 2017-11-03 | 天津天地龙管业股份有限公司 | Pipe plug device is used in a kind of Novel heat insulating tube foaming |
| CN208290312U (en) * | 2018-06-15 | 2018-12-28 | 大庆市首创钢管制造有限公司 | A kind of two step method polyurethane foam production line apparatus |
| CN208290313U (en) * | 2018-06-15 | 2018-12-28 | 大庆市首创钢管制造有限公司 | A kind of black jacket tube production line foaming platform of novel two step method |
| CN209395132U (en) * | 2018-10-30 | 2019-09-17 | 中投(天津)智能管道股份有限公司 | A kind of insulating tube foaming agent injection molding block head |
| CN209920394U (en) * | 2019-05-05 | 2020-01-10 | 奥菲德（天津）管道科技有限公司 | Polyurethane insulating tube production is with stifled machine on two chock plugs |
| CN212764379U (en) * | 2020-04-07 | 2021-03-23 | 天津太合节能科技有限公司 | End plug for pouring heat preservation pipe |
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