CN111799718A - Layer body for plastic-steel composite cable conduit, manufacturing device and method - Google Patents
Layer body for plastic-steel composite cable conduit, manufacturing device and method Download PDFInfo
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- CN111799718A CN111799718A CN202010763538.3A CN202010763538A CN111799718A CN 111799718 A CN111799718 A CN 111799718A CN 202010763538 A CN202010763538 A CN 202010763538A CN 111799718 A CN111799718 A CN 111799718A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002131 composite material Substances 0.000 title claims description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 238000004026 adhesive bonding Methods 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000010073 coating (rubber) Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 4
- 238000013461 design Methods 0.000 description 23
- 238000003892 spreading Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The utility model provides a layer body, making devices and method for compound cable duct of plastic steel, include and be used for as compound cable duct of plastic steel's one of them layer body (20) of layer body, set up in layer body (20) and be embedding strip (10) of vertical strip distribution, through layer body (20), one of them layer body for compound cable duct of plastic steel has been realized, through embedding strip (10), it is provided with the pressure-bearing member to have realized being provided with on the shearing cross-section of layer body (20), consequently, compound cable duct's anti-shear force performance of plastic steel has been improved.
Description
Technical Field
The invention relates to a layer body, a manufacturing device and a manufacturing method, in particular to a layer body for a plastic-steel composite cable conduit, a manufacturing device and a manufacturing method.
Background
The plastic-steel composite cable duct is formed by taking a high-quality PP pipe as an inner liner, chemically treating an interface, taking high-strength fibers and synthetic resin as reinforcing layers and mechanically winding the reinforcing layers, and the pipe plays the characteristics of corrosion resistance of PP, high specific strength of FRP and good temperature resistance, so that the application range of a single PP pipe is expanded.
The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.
Disclosure of Invention
The invention aims to provide a layer body for a plastic steel composite cable conduit,
the object of the invention is a layer body manufacturing device for a plastic steel composite cable conduit,
the invention aims to provide a method for manufacturing a layer body of a plastic steel composite cable conduit.
In order to overcome the technical defects, the invention aims to provide a layer body for a plastic-steel composite cable conduit, a manufacturing device and a manufacturing method, so that the shearing resistance of the plastic-steel composite cable conduit is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: a layer body for a plastic steel composite cable conduit comprises a layer body used as one layer body of the plastic steel composite cable conduit and embedded strips which are arranged in the layer body and are distributed in vertical strips.
Due to the design of the embedding strip and the layer body, one layer body for the plastic steel composite cable conduit is realized through the layer body, and the pressure bearing part is arranged on the shearing section of the layer body through the embedding strip, so that the shearing resistance of the plastic steel composite cable conduit is improved.
The invention envisages that the insert strip and the layer body are connected to each other in such a way that they have pressure-bearing members in the cut section.
The invention designs that the embedded strips are connected with the layer body in a mode that the cage-shaped components are distributed on the shearing section.
The invention designs that the layer body is internally provided with embedded strips, the embedded strips are arranged to extend from the transverse central line of the layer body and are arranged to be distributed at intervals along the circumferential line of the layer body.
The invention designs that the layer body is provided with an inner supporting layer part and an outer wrapping layer part, the outer side surface part of the inner supporting layer part is connected with the embedded strip, the inner side surface part of the outer wrapping layer part is connected with the embedded strip, and the inner supporting layer part and the outer wrapping layer part are respectively provided with winding tubular bodies of glass fibers coated with synthetic resin.
The invention designs that the ends of the embedded strip are respectively arranged in the port wall of the layer body and the embedded strip is arranged to be connected with the middle layer part of the layer body in an embedded manner.
The invention designs that the embedded strips are arranged into wire bodies, the wire bodies are distributed in a W shape, and the wire bodies are arranged into ropes.
The invention designs that the embedded strip is set to be a wide strip body, and the wide strip body is set to be a woven belt or a thermal shrinkage plastic net belt.
The invention designs that the layer body and the embedding strips are distributed in a mode of a built-in through serial piece, the line bodies and the wide strip bodies are respectively connected with the outer side surface part of the inner supporting layer part and the inner side surface part of the outer wrapping layer part in an attached mode, and at least three line bodies and the wide strip bodies are respectively distributed along the peripheral circumference of the layer body at intervals.
The invention designs a layer body manufacturing device for a plastic-steel composite cable guide pipe, which comprises a mandrel, a first ejector pin, a fixed disc, a jacking screw rod, a furling disc, an internal pressure screw rod, a second ejector pin, a gluing device and an indexing screw rod, wherein the mandrel is respectively provided with the first ejector pin and the second ejector pin, the first ejector pin and the second ejector pin are respectively provided with the fixed disc, the furling disc and the gluing device, the fixed disc is provided with the jacking screw rod, the furling disc is provided with the internal pressure screw rod, and the indexing screw rod is arranged between the mandrel and the furling disc.
The invention designs that the end parts of the shaft part of the mandrel are respectively provided with an indexing hole body, and the middle part of the end part of the shaft part is provided with an ejector pin hole body, wherein the ejector pin hole body of the shaft part of one end is connected with a first ejector pin, the ejector pin hole body of the shaft part of the other end is connected with a second ejector pin, the indexing hole body is connected with an indexing screw rod, the mandrel is connected with the layer body in a penetrating manner, the shaft part is provided with a circular rod-shaped body, the indexing hole bodies are provided with circular blind hole bodies, and the indexing hole bodies are arranged along the circumferential line of the shaft part at intervals.
The invention designs that a first thimble and a second thimble are respectively arranged to be conical rods, the outer end of the first thimble and the outer end of the second thimble are respectively arranged to be connected with a rack in a sliding mode, inner and outer nuts are respectively arranged on the outer end of the first thimble and the outer end of the second thimble, the inner and outer nuts of the first thimble and the inner and outer nuts of the second thimble are respectively arranged to be connected with the rack in a clamping mode, the inner end of the first thimble and the inner end of the second thimble are respectively arranged to be connected with a mandrel, and the peripheral side face of the first thimble and the peripheral side face of the second thimble are respectively arranged to be connected with a fixed disc, a furling disc and a gluing device.
The invention designs that a first mounting hole body is arranged in the middle of a first disc part of a fixed disc, a first through hole body is arranged on the peripheral portion of the first disc part, a first threaded hole body is arranged on the side face portion of the first disc part, the inner end opening portion of the first threaded hole body is communicated with the first through hole body, the first mounting hole body is respectively provided that a first thimble is connected with a second thimble, the first threaded hole body is connected with a tightening screw rod, the inner side face portion of the first disc part is connected with a furling disc, the outer side face portion of the first disc part is distributed corresponding to a gluing device, the first through hole body is connected with an embedded strip in a holding mode, the first disc part is arranged into a circular block body, the first mounting hole body, the first through hole body and the first threaded hole body are respectively arranged into circular holes, one first through hole body and one first threaded hole body are arranged to form a group of fixed hole components, and a plurality of groups of fixed hole components are arranged along the peripheral line of the first disc part The arrangement is distributed at intervals.
The invention designs that the jacking screw rod is provided with an optical head bolt, the jacking screw rod is in threaded connection with the fixed disc, and the inner end head of the jacking screw rod is in threaded connection with the embedded strip.
The invention designs that the furling plate comprises a second plate part and a spoke part, the outer side surface part of the second plate part is connected with the inner end of the spoke part, the outer end of the spoke part is connected with the fixed plate, the middle part of the second plate part is provided with a second mounting hole body, the peripheral part of the second plate part is provided with a second through hole body, the side surface part of the second plate part is provided with a second threaded hole body, the inner end opening part of the second threaded hole body is communicated with the second through hole body, the second plate part is provided with a third threaded hole body, the third threaded hole body is connected with an indexing screw rod, the second mounting hole body is respectively provided with a first thimble and a second thimble, the second plate part is provided with a circular block body, the spoke part is provided with an L-shaped strip body, the second mounting hole body, the second threaded hole body and the third threaded hole body are respectively provided with a circular hole, and the second through hole body is provided with a long through hole body The second through hole body and the second threaded hole body are arranged to form a group of furling hole parts, and the plurality of groups of furling hole parts and the plurality of spoke parts are respectively arranged to be distributed along the circumferential line of the second disc part at intervals.
The invention designs that the internal pressure screw is set as an optical head bolt and is in threaded connection with the furling disc, and the inner end head of the internal pressure screw is connected with the embedded strip.
The invention designs that the indexing screw is arranged to be a hexagon nut and is in threaded connection with the furling disc, and the inner end head of the indexing screw is in embedded connection with the mandrel.
The gluing device comprises a gluing gun, a guide rail, a first supporting rod and a second supporting rod, wherein one end of the guide rail is connected with the first supporting rod, the other end of the guide rail is connected with the second supporting rod, the gluing gun is connected with the guide rail in a sliding mode, the first supporting rod is connected with a first ejector pin, the second supporting rod is connected with a second ejector pin, the gluing gun is arranged into a pneumatic gluing gun, the guide rail is arranged into a rectangular rod-shaped body, the first supporting rod and the second supporting rod are respectively arranged into a rod-shaped body with a middle hole body, the middle hole body of the first supporting rod is connected with the first ejector pin, and the middle hole body of the second supporting rod is connected with the second ejector pin.
The invention designs that a mandrel, a first thimble, a fixed disk, a tightening screw, a second thimble, a gluing device and an indexing screw are distributed in a way that end heads are fixedly placed, the mandrel, the first thimble, the fixed disk, the tightening screw, the second thimble, the gluing device, the indexing screw, a furling disk and internal pressure screws are distributed in a way that internal pressure is tightened, the fixed disk, the tightening screws, the furling disk and the internal pressure screws are arranged to form a group of end head parts, one group of end head parts are arranged on the first thimble, the other group of end head parts are arranged on the second thimble, and spoke parts are connected with the first disk part.
The invention designs a manufacturing method of a layer body for a plastic steel composite cable conduit, which comprises the following steps: winding glass fiber coated with synthetic resin on a mandrel to prepare an inner supporting layer part on the mandrel, putting one end of a line body or a wide strip body into a first through hole body of a first disc part positioned on a first thimble, rotating the line body or the wide strip body in the first threaded hole body through a tightening screw rod of the first disc part positioned on the first thimble, fixing one end of the line body or the wide strip body in the first through hole body of the first disc part positioned on the first thimble through the tightening screw rod, putting the line body or the wide strip body at the upper end surface part of the inner supporting layer part to enable a glue gun to move on a guide rail, smearing intermediate connecting glue between the line body or the wide strip body and the inner supporting layer part, putting the other end of the line body or the wide strip body in the first through hole body of the first disc part positioned on a second thimble, rotating the first threaded hole body through the tightening screw rod of the first disc part positioned on the second thimble, fixing the other end of the line or wide strip in the first through hole of the first tray part on the second thimble by a tightening screw, rotating the dividing screw in the third threaded hole to separate the dividing screw from the dividing hole, rotating the shaft to make the next position of the inner support layer in the upper end surface, rotating the dividing screw in the third threaded hole in the opposite direction to connect the dividing screw with the dividing hole, mounting the other line or wide strip on the inner support layer, rotating the inner pressure screw on the second threaded hole to make the inner end of the inner pressure screw act on the line or wide strip to make the line or wide strip in tight state, winding the glass fiber coated with synthetic resin on the inner support layer, and after the inner supporting layer part and the outer wrapping layer part are solidified, the jacking screw rod rotates in the first threaded hole body in the opposite direction, the end of the line body or the wide strip body is separated from the first through hole body, the shaft part is taken out from the first ejector pin and the second ejector pin, and the shaft part is extracted from the inner supporting layer part and the outer wrapping layer part.
In the technical scheme, the embedded strip with the pressure-bearing part on the shearing section and the layer body are important technical characteristics, and the technical field of the layer body, the manufacturing device and the method for the plastic-steel composite cable conduit has novelty, creativity and practicability, and the terms in the technical scheme can be explained and understood by patent documents in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a schematic view of one of the first embodiments of the present invention for a layer of a plastic-steel composite cable duct,
fig. 2 is a schematic view of the connection relationship between the wire 101 and the layer body 20 according to the present invention,
figure 3 is a schematic view of a second embodiment of the present invention for a layer of a plastic-steel composite cable duct,
FIG. 4 is a schematic view of an apparatus for manufacturing a layer body of a plastic-steel composite cable duct according to the present invention,
figure 5 is a schematic view of the structure of the fixed disk 3,
figure 6 is a schematic view of the structure of the folding tray 5,
a mandrel-1, a first thimble-2, a fixed disc-3, a tightening screw-4, a furling disc-5, an internal pressure screw-6, a second thimble-7, a glue coating device-8, an indexing screw-9, a shaft part-11, an indexing hole body-12, a first disc part-31, a first mounting hole body-32, a first through hole body-33, a first threaded hole body-34, a second disc part-51, a second mounting hole body-52, a second through hole body-53, a second threaded hole body-54, a third threaded hole body-55, a spoke part-56, a glue gun-81, a guide rail-82, a first support rod-83, a second support rod-84, an embedding strip-10, a layer body-20, an internal support layer part-201, an external wrapping layer part-202, an internal pressure screw-6, a second disc part-51, a second support rod-84, an embedding strip, Line body-101, wide strip-102.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a view showing a layer body for a plastic-steel composite cable duct according to a first embodiment of the present invention, which is specifically described with reference to the drawings, and includes an insert strip 10 and a layer body 20, and the insert strip 10 is disposed in the layer body 20, the insert strip 10 is disposed to extend from a transverse center line of the layer body 20, and the insert strip 10 is disposed to be spaced apart from a circumferential line of the layer body 20.
In the present embodiment, the layer body 20 is configured to include an inner supporting layer portion 201 and an outer wrapping layer portion 202, and an outer side surface portion of the inner supporting layer portion 201 is configured to be coupled with the embedded bar 10, an inner side surface portion of the outer wrapping layer portion 202 is configured to be coupled with the embedded bar 10, and the inner supporting layer portion 201 and the outer wrapping layer portion 202 are respectively configured to be wound tubular bodies of glass fiber coated with synthetic resin.
Through layer body 20, formed the support connection point to embedding strip 10, by interior supporting layer part 201 and outer wrapping layer part 202, realized being connected with embedding strip 10, its technical aim at: the main body component is used as the layer body of the plastic steel composite cable conduit.
In this embodiment, the ends of the embedded bar 10 are respectively disposed in the port wall of the layer body 20 and the embedded bar 10 is disposed to be embedded and coupled with the middle layer of the layer body 20.
Through embedding strip 10, formed the support connection point to body 20, by embedding strip 10, realized being connected with body 20, its technical aim at: the lining component is used as the layer body of the plastic steel composite cable conduit.
In the present embodiment, the embedding strip 10 is provided as a wire body 101 and the wire bodies 101 are provided in a W-shaped distribution, the wire bodies 101 being provided as a string.
By the line body 101, realized being connected with layer body 20, its technical objective lies in: the inner lining serial line part is used as a layer body of the plastic steel composite cable conduit.
Fig. 3 shows a second embodiment of the present invention, which is specifically described in conjunction with the drawings, wherein the insert strip 10 is provided as a wide strip body 102 and the wide strip body 102 is provided as a woven belt or a heat shrinkable plastic mesh belt.
By the line body 101, realized being connected with layer body 20, its technical objective lies in: the inner lining string component is used as a layer body of the plastic steel composite cable conduit.
In one of the supporting examples of the second embodiment of the present invention, the wide strip body 102 is provided as a braided tape.
In a second embodiment of the present invention, the wide strip 102 is a heat shrinkable plastic web.
In this embodiment, the layer body 20 and the embedded bar 10 are arranged to be distributed in a manner of a built-in through-piece, the wires 101 and the wide bars 102 are respectively arranged to be attachingly coupled to the outer side surface of the inner supporting layer 201 and the inner side surface of the outer wrapping layer 202, and at least three wires 101 and wide bars 102 are respectively arranged to be spaced apart from each other along the circumferential line of the layer body 20.
A second embodiment of the invention is based on the first embodiment,
fig. 4 is a first embodiment of the present invention, and the embodiment is specifically described with reference to the accompanying drawings, and includes a mandrel 1, a first thimble 2, a fixed disk 3, a tightening screw 4, a folding disk 5, an internal pressure screw 6, a second thimble 7, a gluing device 8, and an indexing screw 9, wherein the mandrel 1 is provided with the first thimble 2 and the second thimble 7, the first thimble 2 and the second thimble 7 are provided with the fixed disk 3, the folding disk 5, and the gluing device 8, the fixed disk 3 is provided with the tightening screw 4, the folding disk 5 is provided with the internal pressure screw 6, and the indexing screw 9 is provided between the mandrel 1 and the folding disk 5.
In the present embodiment, the end portions of the shaft portion 11 of the mandrel 1 are respectively provided with the index hole bodies 12 and the end center portion of the shaft portion 11 is provided with the thimble hole body, the thimble hole body of the shaft portion 11 of one end is configured to be coupled with the first thimble 2 and the thimble hole body of the shaft portion 11 of the other end is configured to be coupled with the second thimble 7, the index hole body 12 is configured to be coupled with the index screw 9 and the mandrel 1 is configured to be coupled with the layer body 20 in series, the shaft portion 11 is configured to be a circular rod-shaped body, the index hole bodies 12 are configured to be circular blind holes and the index hole bodies 12 are configured to be distributed at intervals along the circumferential line of the shaft portion 11.
Through dabber 1, formed the support tie point to first thimble 2, second thimble 7 and graduated screw 9, by axial region 11, realized being connected with first thimble 2, realized being connected with second thimble 7, by the graduated bore body 12, realized being connected with graduated screw 9, its technical aim at: the manufacturing die is used for manufacturing the layer body of the plastic steel composite cable conduit.
In this embodiment, the first thimble 2 and the second thimble 7 are respectively configured as tapered rods, the outer end of the first thimble 2 and the outer end of the second thimble 7 are respectively configured to be slidably coupled to the rack, the outer end of the first thimble 2 and the outer end of the second thimble 7 are respectively provided with an inner nut and an outer nut, the inner nut and the outer nut of the first thimble 2 and the inner nut of the second thimble 7 are respectively configured to be coupled to the rack in a clamping manner, the inner end of the first thimble 2 and the inner end of the second thimble 7 are respectively configured to be coupled to the mandrel 1, and the peripheral side surface of the first thimble 2 and the peripheral side surface of the second thimble 7 are respectively configured to be coupled to the fixed disk 3, the closing disk 5 and the gluing device 8.
Through first thimble 2 and second thimble 7, formed dabber 1, fixed disk 3, drawn in a set 5 and the support tie point of rubber coating device 8 in, realized being connected with dabber 1 by first thimble 2 and second thimble 7, realized being connected with fixed disk 3, realized with drawing in a set 5 in being connected, realized being connected with rubber coating device 8, its technical aim at: used as a support carrier for the mandrel 1, the fixed disc 3, the furling disc 5 and the gluing device 8.
In the present embodiment, a first mounting hole body 32 is provided at an intermediate portion of the first disk portion 31 of the fixed disk 3 and a first through hole body 33 is provided at a peripheral portion of the first disk portion 31, a first screw hole body 34 is provided at a side surface portion of the first disk portion 31 and an inner end portion of the first screw hole body 34 is provided to communicate with the first through hole body 33, the first mounting hole bodies 32 are respectively provided such that the first thimble 2 is coupled with the second thimble 7 and the first screw hole body 34 is provided to be coupled with the puller screw 4, an inner side surface portion of the first disk portion 31 is provided to be coupled with the furled disk 5 and an outer side surface portion of the first disk portion 31 is provided to be distributed corresponding to the glue spreading device 8, the first through hole body 33 is provided to be accommodatively coupled with the embedded bar 10, the first disk portion 31 is provided as a circular block body and the first mounting hole body 32, the first through hole body 33 and the first screw hole body 34 are respectively, one first through-hole body 33 and one first threaded-hole body 34 are provided to constitute one set of fixing-hole members and a plurality of sets of fixing-hole members are provided to be spaced apart along the circumferential line of the first disk portion 31.
Through fixed disk 3, formed to first thimble 2, second thimble 7, top tight screw rod 4, draw in set 5 and the support tie point of rubber coating device 8 in, by first mounting hole body 32, realized being connected with first thimble 2, realized being connected with second thimble 7, by first screw hole body 34, realized being connected with top tight screw rod 4, by first dish portion 31, realized and drawn in set 5 in being connected, realized being connected with rubber coating device 8, by first through-hole body 33, realized being connected with embedding strip 10, its technical aim at: as one of the means for fixing the ends of the embedding strip 10.
In the present embodiment, the tightening screw 4 is provided as a bare head bolt and the tightening screw 4 is provided to be screw-coupled with the fixed disk 3, and the inner end of the tightening screw 4 is provided to be coupled with the embedded bar 10.
Through the tight screw rod 4 in top, formed the support tie point to fixed disk 3, by the tight screw rod 4 in top, realized being connected with fixed disk 3, its technical aim at: and a second part for fixing the end of the embedding strip 10.
In the present embodiment, the closing plate 5 is configured to include a second disk part 51 and a spoke part 56, an outer side surface part of the second disk part 51 is configured to be coupled with an inner end of the spoke part 56, an outer end of the spoke part 56 is configured to be coupled with the fixed disk 3, a second mounting hole body 52 is provided at a middle part of the second disk part 51 and a second through hole body 53 is provided at a peripheral part of the second disk part 51, a second threaded hole body 54 is provided at a side surface part of the second disk part 51 and an inner end part of the second threaded hole body 54 is configured to be communicated with the second through hole body 53, a third threaded hole body 55 is provided on the second disk part 51 and the third threaded hole body 55 is configured to be coupled with the index screw 9, the second mounting hole bodies 52 are respectively configured that the first thimble 2 is coupled with the second thimble 7 and the second threaded hole body 54 is configured to be coupled with the inner pressure screw 6, the second disk part 51 is configured to be a circular block and the, the second mounting hole body 52, the second threaded hole body 54 and the third threaded hole body 55 are respectively provided as circular hole bodies and the second through hole body 53 is provided as a long hole, one second through hole body 53 and one second threaded hole body 54 are provided to constitute one set of drawn hole parts and a plurality of sets of drawn hole parts and a plurality of spoke parts 56 are respectively provided to be arranged at intervals along the circumferential line of the second disc part 51.
Through drawing in dish 5, formed to first thimble 2, second thimble 7, fixed disk 3, the support tie point of interior pressure screw rod 6 and dividing screw 9, by second mounting hole body 52, realized being connected with first thimble 2, realized being connected with second thimble 7, by spoke portion 56, realized being connected with fixed disk 3, by second screw hole body 54, realized being connected with interior pressure screw rod 6, by third screw hole body 55, realized being connected with dividing screw 9, by second screw hole body 53, realized being connected with embedding strip 10, its technical aim lies in: for acting as one of the parts for gathering the inlaid strand 10 towards the mandrel 1.
In the present embodiment, the inner pressure screw 6 is provided as an optical head bolt and the inner pressure screw 6 is provided to be screw-coupled with the closing plate 5, and an inner end of the inner pressure screw 6 is provided to be coupled with the embedded bar 10.
Through interior pressure screw rod 6, formed the support tie point to drawing in dish 5, by the tight screw rod 4 in top, realized with drawing in the dish 5 be connected, its technical aim at: for use as the second part of the gathering of the inlaid strand 10 towards the mandrel 1.
In the present exemplary embodiment, the indexing screw 9 is provided as a hexagon nut and the indexing screw 9 is provided in a threaded connection with the closing disk 5, the inner end of the indexing screw 9 being provided in a flush connection with the mandrel 1.
Through indexing screw 9, formed the support tie point to dabber 1 with draw in dish 5 in, by indexing screw 9, realized being connected with dabber 1, realized with draw in dish 5 in being connected, its technical aim at: as a means for indexing the position of the slug 10 on the mandrel 1.
In the present embodiment, the glue applying apparatus 8 is configured to include a glue gun 81, a guide rail 82, a first support rod 83 and a second support rod 84, one end of the guide rail 82 is configured to be coupled to the first support rod 83, the other end of the guide rail 82 is configured to be coupled to the second support rod 84, the glue gun 81 is configured to be slidably coupled to the guide rail 82, the first support rod 83 is configured to be coupled to the first thimble 2, the second support rod 84 is configured to be coupled to the second thimble 7, the glue gun 81 is configured to be a pneumatic glue gun, the guide rail 82 is configured to be a rectangular rod-shaped body, the first support rod 83 and the second support rod 84 are respectively configured to be a rod-shaped body having a middle hole body, the middle hole body of the first support rod 83 is coupled to the first thimble 2, and the middle hole body of the second support rod 84 is.
Through rubber coating device 8, formed the support connection point to first thimble 2 and second thimble 7, by first bracing piece 83, realized being connected with first thimble 2, by second bracing piece 84, realized being connected with second thimble 7, by gluing rifle 81 and guide rail 82, realized scribbling the processing between embedding strip 10 and layer body 20 to the glue solution, its technical aim at: for gluing the insert strip 10 to the layer body 20.
In the present embodiment, the mandrel 1 and the first thimble 2, the fixed disk 3, the tightening screw 4, the second thimble 7, the glue spreading device 8 and the dividing screw 9 are arranged to be distributed in a manner that the end heads are fixedly placed, and the mandrel 1, the first thimble 2, the fixed disk 3, the tightening screw 4, the second thimble 7, the glue spreading device 8, the dividing screw 9 and the closing disk 5 and the internal pressure screw 6 are arranged to be distributed in a manner that the internal pressure is tightened, and the fixed disk 3, the tightening screws 4, the closing disk 5 and the internal pressure screws 6 are arranged to form a set of end head components, wherein one set of end head components is arranged on the first thimble 2, wherein the other set of end head components is arranged on the second thimble 7, and the spoke portion 56 is arranged to be coupled with the first disk portion 31.
In a second embodiment of the present invention, the embedded bar 10 and the layer body 20 are coupled to each other in such a manner that the pressure-bearing members are provided in the cut section.
In this embodiment, the insert strip 10 is coupled to the layer body 20 in such a manner that the cage-shaped members are distributed on the cut section.
The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
A method for manufacturing a layer body of a plastic steel composite cable duct comprises the following steps: winding glass fiber coated with synthetic resin on a mandrel 1, manufacturing an inner support layer part 201 on the mandrel 1, placing one end of a wire body 101 or a wide strip body 102 in a first through hole body 33 of a first disk part 31 positioned on a first thimble 2, rotating in the first through hole body 34 by a tightening screw 4 of the first disk part 31 positioned on the first thimble 2, fixing one end of the wire body 101 or the wide strip body 102 in the first through hole body 33 of the first disk part 31 positioned on the first thimble 2 by the tightening screw 4, placing the wire body 101 or the wide strip body 102 in an upper end surface part of the inner support layer part 201, moving a glue gun 81 on a guide rail 82, applying an intermediate connection glue between the wire body 101 or the wide strip body 102 and the inner support layer part 201, placing the other end of the wire body 101 or the wide strip body 102 in the first through hole body 33 of the first disk part 31 positioned on a second thimble 7, the other end of the wire body 101 or the wide strip body 102 is fixed in the first through hole body 33 of the first disc part 31 on the second thimble 7 through the tightening screw rod 4 rotating in the first threaded hole body 34 by the tightening screw rod 4, the dividing screw rod 9 rotates in the third threaded hole body 55, the dividing screw rod 9 is separated from the dividing hole body 12, the shaft part 11 rotates, the next placing position of the inner supporting layer part 201 is located at the upper end surface part, the dividing screw rod 9 rotates in the third threaded hole body 55 in the opposite direction, the dividing screw rod 9 is connected with the dividing hole body 12, the other wire body 101 or the wide strip body 102 is installed on the inner supporting layer part 201, when the installation of the wire body 101 or the wide strip body 102 on the inner supporting layer part 201 is completed, the inner pressing screw rod 6 rotates on the second threaded hole body 54, the inner end of the internal pressure screw 6 acts on the wire 101 or the wide strip 102 to make the wire 101 or the wide strip 102 in a tensed state, then the glass fiber coated with synthetic resin is wound on the inner supporting layer 201, the outer supporting layer 201 is made into an outer wrapping layer 202, after the inner supporting layer 201 and the outer wrapping layer 202 are solidified, the jacking screw 4 is rotated in the first threaded hole 34 in the opposite direction, the end of the wire 101 or the wide strip 102 is separated from the first through hole 33,
the shaft portion 11 is taken out from the first needle 2 and the second needle 7, and the shaft portion 11 is taken out from the inner supporting layer portion 201 and the outer covering layer portion 202.
The invention has the following characteristics:
1. due to the design of the embedded strip 10 and the layer body 20, one layer body for the plastic-steel composite cable conduit is realized through the layer body 20, and the pressure bearing part is arranged on the shearing section of the layer body 20 through the embedded strip 10, so that the shearing resistance of the plastic-steel composite cable conduit is improved.
2. Due to the design of the line body 101, the rope body is shear-resistant.
3. Due to the design of the wide strip 102, the net body is shear-resistant.
4. Due to the design of the mandrel 1, the first ejector pin 2, the fixed disc 3, the tightening screw 4, the folding disc 5, the internal pressure screw 6, the second ejector pin 7, the gluing device 8 and the indexing screw 9, the inner supporting layer part 201, the outer wrapping layer part 202 and the wire body 101 or the wide strip body 102 are manufactured.
5. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
6. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Still other technical features associated with the insert strip 10 and the layer body 20 having the pressure-bearing member in the cut section are all one of the embodiments of the present invention, and the respective technical features of the above-described embodiments may be arbitrarily combined, and in order to satisfy the requirements of patent laws, patent practice rules and examination guidelines, all possible combinations of the respective technical features of the above-described embodiments will not be described.
The above embodiments are only one implementation form of the layer body, the manufacturing device and the method for the plastic-steel composite cable duct provided by the present invention, and it is within the protection scope of the present invention to add or reduce the components or steps therein according to other modifications of the solution provided by the present invention, or to apply the present invention to other technical fields close to the present invention.
Claims (10)
1. A layer body for a plastic steel composite cable duct is characterized in that: comprises a layer body (20) used as one layer body of the plastic steel composite cable conduit and embedded strips (10) which are arranged in the layer body (20) and are distributed in vertical strips.
2. The layer for plastic-steel composite cable duct according to claim 1, wherein: the insert strip (10) and the layer body (20) are coupled to each other in such a manner as to have a pressure-receiving member in a cut section.
3. The layer for plastic-steel composite cable ducts according to claim 2, wherein: the embedded bar (10) is connected with the layer body (20) according to the mode that the cage-shaped components are distributed on the cutting section.
4. The layer for plastic-steel composite cable duct according to claim 1, wherein: the layer body (20) is provided with embedded strips (10), the embedded strips (10) are arranged to extend from the transverse central line of the layer body (20) and the embedded strips (10) are arranged to be distributed at intervals along the circumferential line of the layer body (20).
5. The layer for plastic-steel composite cable duct according to claim 4, wherein: the layer body (20) is provided with an inner supporting layer part (201) and an outer wrapping layer part (202), the outer side surface part of the inner supporting layer part (201) is connected with the embedded strip (10), the inner side surface part of the outer wrapping layer part (202) is connected with the embedded strip (10), and the inner supporting layer part (201) and the outer wrapping layer part (202) are respectively provided with winding tubular bodies of glass fibers coated with synthetic resin.
6. The layer for plastic-steel composite cable duct according to claim 4, wherein: the ends of the embedded bar (10) are respectively arranged in the port wall of the layer body (20) and the embedded bar (10) is arranged to be embedded and connected with the middle layer part of the layer body (20),
or the embedding strips (10) are arranged into wire bodies (101), the wire bodies (101) are distributed in a W shape, the wire bodies (101) are arranged into ropes,
or, the embedded strip (10) is arranged into a wide strip body (102) and the wide strip body (102) is arranged into a braided belt or a thermal shrinkage plastic net belt.
7. The layer for plastic-steel composite cable duct according to any one of claims 1 to 6, wherein: the layer body (20) and the embedding strip (10) are distributed in a mode of a built-in through piece, the line body (101) and the wide strip body (102) are respectively connected with the outer side surface of the inner supporting layer part (201) and the inner side surface of the outer wrapping layer part (202) in an attached mode, and at least three line bodies (101) and the wide strip bodies (102) are respectively distributed at intervals along the peripheral circumference of the layer body (20).
8. A layer body making devices for plastic steel composite cable pipe, characterized by: include dabber (1), first thimble (2), fixed disk (3), tight screw rod in top (4), draw in set (5), interior pressure screw rod (6), second thimble (7), rubber coating device (8) and dividing screw (9) and be provided with first thimble (2) and second thimble (7) respectively on dabber (1), be provided with fixed disk (3) respectively on first thimble (2) and second thimble (7), draw in set (5) and rubber coating device (8) and be provided with tight screw rod in top (4) on fixed disk (3), be provided with interior pressure screw rod (6) and be provided with dividing screw (9) between dabber (1) and draw in set (5) in drawing in.
9. The apparatus for manufacturing a layer body of a plastic-steel composite cable duct according to claim 8, wherein: the end parts of the shaft part (11) of the mandrel (1) are respectively provided with an indexing hole body (12) and the middle part of the end of the shaft part (11) is provided with an ejector pin hole body, the ejector pin hole body of the shaft part (11) of one end is connected with a first ejector pin (2) and the ejector pin hole body of the shaft part (11) of the other end is connected with a second ejector pin (7), the indexing hole body (12) is connected with an indexing screw rod (9) and the mandrel (1) is connected with the layer body (20) in a penetrating manner, the shaft part (11) is provided with a circular rod body, the indexing hole bodies (12) are provided with circular blind hole bodies and the indexing hole bodies (12) are arranged to be distributed at intervals along the circumferential line of the shaft part (11),
or the first thimble (2) and the second thimble (7) are respectively arranged to be conical rods, the outer end of the first thimble (2) and the outer end of the second thimble (7) are respectively arranged to be connected with the frame in a sliding way, the outer end of the first thimble (2) and the outer end of the second thimble (7) are respectively provided with an inner nut and an outer nut, the inner nut and the outer nut of the first thimble (2) and the inner nut and the outer nut of the second thimble (7) are respectively arranged to be connected with the frame in a clamping way, the inner end of the first thimble (2) and the inner end of the second thimble (7) are respectively arranged to be connected with the mandrel (1), and the peripheral side surface of the first thimble (2) and the peripheral side of the second thimble (7) are respectively arranged to be connected with the fixed disc (3), the folding disc (5) and the gluing device (8),
or a first mounting hole body (32) is arranged in the middle of a first disc part (31) of the fixed disc (3) and a first through hole body (33) is arranged at the peripheral part of the first disc part (31), a first threaded hole body (34) is arranged at the side part of the first disc part (31) and the inner end part of the first threaded hole body (34) is communicated with the first through hole body (33), the first mounting hole body (32) is respectively provided that a first thimble (2) is connected with a second thimble (7) and the first threaded hole body (34) is connected with a jacking screw rod (4), the inner side surface part of the first disc part (31) is connected with the furled disc (5) and the outer side surface part of the first disc part (31) is distributed corresponding to the gluing device (8), the first through hole body (33) is arranged to be connected with the embedded bar (10) in a holding way, the first disc part (31) is arranged into a circular block body and the first mounting hole body (32), The first through-hole bodies (33) and the first threaded-hole bodies (34) are respectively provided as circular-hole-shaped bodies, one first through-hole body (33) and one first threaded-hole body (34) are provided to constitute one set of fixing-hole parts and a plurality of sets of fixing-hole parts are provided to be arranged at intervals along the circumferential line of the first disk portion (31),
or the tightening screw rod (4) is set as an optical head bolt, the tightening screw rod (4) is set to be in threaded connection with the fixed disc (3), the inner end head of the tightening screw rod (4) is set to be in connection with the embedded strip (10),
or, the furling plate (5) is provided to include a second plate part (51) and spoke parts (56) and the outer side surface part of the second plate part (51) is provided to be connected with the inner end of the spoke parts (56), the outer end of the spoke parts (56) is provided to be connected with the fixed plate (3), a second mounting hole body (52) is provided at the middle part of the second plate part (51) and a second through hole body (53) is provided at the peripheral part of the second plate part (51), a second threaded hole body (54) is provided at the side surface part of the second plate part (51) and the inner end opening part of the second threaded hole body (54) is provided to be communicated with the second through hole body (53), a third threaded hole body (55) is provided on the second plate part (51) and the third threaded hole body (55) is provided to be connected with the index screw (9), the second mounting hole bodies (52) are respectively provided to be connected with the first thimble (2) and the second thimble (7) and the second threaded hole body (54) is provided to be connected with the inner pressure screw (6), the second disk part (51) is arranged into a circular block body, the spoke parts (56) are arranged into L-shaped strip bodies, the second mounting hole body (52), the second threaded hole body (54) and the third threaded hole body (55) are respectively arranged into circular hole bodies, the second through hole body (53) is arranged into a long strip hole, one second through hole body (53) and one second threaded hole body (54) are arranged into a group of gathering hole parts, and a plurality of groups of gathering hole parts and a plurality of spoke parts (56) are respectively arranged into a plurality of groups of gathering hole parts and a plurality of spoke parts which are arranged into a spaced arrangement along the peripheral circumferential line of the second disk part (51),
or the inner pressure screw rod (6) is set as an optical head bolt, the inner pressure screw rod (6) is set to be in threaded connection with the furling disc (5), the inner end head of the inner pressure screw rod (6) is set to be in connection with the embedded strip (10),
or the indexing screw rod (9) is arranged as a hexagon nut, the indexing screw rod (9) is in threaded connection with the furling disc (5), the inner end head of the indexing screw rod (9) is in embedded connection with the mandrel (1),
or, the gluing device (8) is arranged to include a glue gun (81), a guide rail (82), a first support rod (83) and a second support rod (84) and one end of the guide rail (82) is arranged to be connected with the first support rod (83), the other end of the guide rail (82) is arranged to be connected with the second support rod (84) and the glue gun (81) is arranged to be connected with the guide rail (82) in a sliding way, the first support rod (83) is arranged to be connected with the first thimble (2) and the second support rod (84) is arranged to be connected with the second thimble (7), the glue gun (81) is arranged to be a pneumatic glue gun and the guide rail (82) is arranged to be a rectangular rod-shaped body, the first support rod (83) and the second support rod (84) are respectively arranged to be rod-shaped bodies with a middle hole body and the middle hole body of the first support rod (83) is connected with the first thimble (2), the middle hole body of the second support rod (84) is connected with the second thimble (,
or the mandrel (1), the first thimble (2), the fixed disk (3), the tightening screw (4), the second thimble (7), the gluing device (8) and the dividing screw (9) are arranged to be distributed according to the way of fixedly placing the end heads, the mandrel (1), the first thimble (2), the fixed disk (3), the tightening screw (4), the second thimble (7), the gluing device (8), the dividing screw (9), the furling disk (5) and the internal pressure screw (6) are arranged to be distributed according to the way of internal pressure tightening, one fixed disk (3), a plurality of tightening screws (4), one furling disk (5) and a plurality of internal pressure screws (6) are arranged to form a group of end head parts, one set of end parts is arranged on the first thimble (2), the other set of end parts is arranged on the second thimble (7), and the spoke part (56) is connected with the first disc part (31).
10. A manufacturing method of a layer body for a plastic steel composite cable conduit is characterized by comprising the following steps: the method comprises the following steps: winding glass fiber coated with synthetic resin on a mandrel (1), manufacturing an inner support layer part (201) on the mandrel (1), putting one end of a line body (101) or a wide strip body (102) into a first through hole body (33) of a first disc part (31) positioned on a first thimble (2), rotating the first through hole body (34) through a tightening screw rod (4) of the first disc part (31) positioned on the first thimble (2), fixing one end of the line body (101) or the wide strip body (102) in the first through hole body (33) of the first disc part (31) positioned on the first thimble (2) by the tightening screw rod (4), putting the line body (101) or the wide strip body (102) on the upper end surface part of the inner support layer part (201), moving a glue gun (81) on a guide rail (82), and smearing glue between the line body (101) or the wide strip body (102) and the inner support layer part (201), putting the other end of the wire body (101) or the wide strip body (102) into a first through hole body (33) of a first disc part (31) on a second thimble (7), rotating in a first threaded hole body (34) through a tightening screw rod (4) of the first disc part (31) on the second thimble (7), fixing the other end of the wire body (101) or the wide strip body (102) in the first through hole body (33) of the first disc part (31) on the second thimble (7) through the tightening screw rod (4), rotating the index screw rod (9) in a third threaded hole body (55) to separate the index screw rod (9) from the index hole body (12), rotating the shaft part (11), positioning the next positioning position of the inner support layer part (201) at the upper end surface part, and rotating the index screw rod (9) in the third threaded hole body (55) in the opposite direction, connecting an indexing screw rod (9) with an indexing hole body (12), installing another line body (101) or a wide bar body (102) on an inner supporting layer part (201), rotating an inner pressure screw rod (6) on a second threaded hole body (54) after the line body (101) or the wide bar body (102) is installed on the inner supporting layer part (201), enabling the inner end head of the inner pressure screw rod (6) to act on the line body (101) or the wide bar body (102), enabling the line body (101) or the wide bar body (102) to be in a tightening state, winding glass fiber coated with synthetic resin on the inner supporting layer part (201), manufacturing an outer wrapping layer part (202) on the inner supporting layer part (201), rotating a jacking screw rod (4) in a first threaded hole body (34) after the inner supporting layer part (201) and the outer wrapping layer part (202) are solidified, and separating the end head of the opposite direction (101) or the wide bar body (102) from the first threaded hole body (33), the shaft part (11) is taken out from the first thimble (2) and the second thimble (7), and the shaft part (11) is extracted from the inner supporting layer part (201) and the outer wrapping layer part (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010763538.3A CN111799718A (en) | 2020-07-31 | 2020-07-31 | Layer body for plastic-steel composite cable conduit, manufacturing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763538.3A CN111799718A (en) | 2020-07-31 | 2020-07-31 | Layer body for plastic-steel composite cable conduit, manufacturing device and method |
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| DE10327752B3 (en) * | 2003-06-10 | 2004-11-04 | Joachim Orbach | Device for holding a plate on a post e.g. composite safety glass plates in balustrades comprises an assembly part with a first plate, and an arm with a screw part laterally molded to the first plate |
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| CN206695957U (en) * | 2017-04-18 | 2017-12-01 | 山东泰开电缆有限公司 | Detection cartridge device for high-tension cable corrugated aluminum sheath air-tight test |
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| CN212676818U (en) * | 2020-07-31 | 2021-03-09 | 山东方特管业有限公司 | Layer body for plastic-steel composite cable conduit and manufacturing device |
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- 2020-07-31 CN CN202010763538.3A patent/CN111799718A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10327752B3 (en) * | 2003-06-10 | 2004-11-04 | Joachim Orbach | Device for holding a plate on a post e.g. composite safety glass plates in balustrades comprises an assembly part with a first plate, and an arm with a screw part laterally molded to the first plate |
| CN203892739U (en) * | 2014-06-09 | 2014-10-22 | 张永杰 | Steel skeleton steel-plastic composite pipe and production line thereof |
| CN206695957U (en) * | 2017-04-18 | 2017-12-01 | 山东泰开电缆有限公司 | Detection cartridge device for high-tension cable corrugated aluminum sheath air-tight test |
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