CN114654779A - Glass fiber reinforced plastic pipe gallery and preparation method thereof - Google Patents
Glass fiber reinforced plastic pipe gallery and preparation method thereof Download PDFInfo
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- CN114654779A CN114654779A CN202111579783.XA CN202111579783A CN114654779A CN 114654779 A CN114654779 A CN 114654779A CN 202111579783 A CN202111579783 A CN 202111579783A CN 114654779 A CN114654779 A CN 114654779A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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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
- H02G3/0406—Details thereof
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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
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
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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
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0026—Flame proofing or flame retarding agents
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention provides a glass fiber reinforced plastic pipe gallery, which comprises a pipe gallery body, wherein the pipe gallery body comprises a lining layer, a structural layer and an outer surface layer. The surfaces of the lining layer, the outer surface layer, the adjustable bracket and the positioning mechanism are also coated with the flame-retardant coating, so that the damage of the pipe gallery and the infrastructure components in the pipe gallery in the case of fire is prevented; the expanded vermiculite powder, the silica micropowder, the zirconium silicate powder and the zeolite powder with 200-320 meshes are added into the components of the inner lining layer and the outer surface layer, so that the hardness of the inner lining layer and the outer surface layer is enhanced, and the flame retardant property of the pipe gallery body is further enhanced.
Description
Technical Field
The invention relates to the field of power pipe galleries, in particular to a glass fiber reinforced plastic pipe gallery and a preparation method thereof.
Background
Along with the development of urban construction, a large number of urban pipe galleries are put into construction, so that convenience is brought to life of people, but most of the pipe galleries in the prior art are mainly made of concrete, steel or glass fiber reinforced plastics, and the pipe galleries made of the concrete and the steel are complex in production process and high in production cost, and are inconvenient to transport and construct on site due to heavy weight; the glass fiber reinforced plastic pipe gallery is made of universal unsaturated polyester resin, and the universal unsaturated polyester resin has no flame retardant property, so that once an electric fire accident happens, great damage is caused to infrastructure.
When the pipe gallery is laid or the laying is finished, in order to facilitate the arrangement of cables inside the pipe gallery and the work of constructors and power maintainers, cable brackets matched with the diameter of the pipe gallery are arranged in the pipe gallery, the cables are arranged on two sides of the cable brackets, and the arrangement of the cables is not performed in the middle position, so that the constructors and the power maintainers can conveniently enter the pipe gallery for operation during work; however, because the fixing structure of the spatial cable support structure is complex, the size of the support cannot be adjusted, and the installation space is limited, when the spatial cable support structure is installed, a section of the spatial cable support structure is required to be fixed by respectively drilling expansion screws on the inner wall of the pipe gallery or welding bolts on the inner wall of the pipe gallery, so that the structure of the pipe body can be damaged, and the structural strength of the pipe body is influenced; the fixing mode of the cable support also causes the installation work of the support in the pipe gallery to be very inconvenient, thereby affecting the operation efficiency and increasing the assembly process and extra manual labor; in addition, the size of the cable bracket cannot be adjusted, so that the size of the cable bracket cannot be matched with the inner wall of the pipe gallery, and the arrangement of cables in the later period is influenced; the invention provides a glass fiber reinforced plastic pipe gallery which replaces a pipe gallery made of concrete and steel, thereby simplifying the manufacturing process of the pipe gallery and reducing the weight of the pipe gallery; and this piping lane has solved the problem that current glass steel piping lane does not possess fire behavior, has still solved the above-mentioned problem that arouses because of the installation of cable support is fixed.
Disclosure of Invention
The first purpose of the invention is to solve the technical problems that the production process of the pipe gallery is complex, the pipe gallery is heavy and inconvenient for later transportation and construction and the pipe gallery body does not have flame retardant property in the prior art; another object of the present invention is to solve the problems of the prior art in which the cable support in the tube lane is not adjustable in size and is complicated to install and fix.
In order to achieve the purpose, the invention provides a glass fiber reinforced plastic pipe gallery which comprises a pipe gallery body, wherein the pipe gallery body comprises a lining layer, a structural layer and an outer surface layer, and is characterized by further comprising an adjustable support and an adjustable positioning mechanism, wherein the adjustable support is installed in the pipe gallery body, and the adjustable positioning mechanism is used for positioning the adjustable support.
As preferred, install the connecting sleeve who is used for piping lane body and this body coupling of piping lane on the piping lane body, install ground connection post and buffering wood on the connecting sleeve, the ground connection post passes buffering wood and connecting sleeve connection, be equipped with the sealing washer between connecting sleeve and the piping lane body.
Preferably, the adjustable support comprises a plurality of base bodies tightly matched with the pipe gallery body, a bracket installed on the base bodies and an adjusting mechanism connected with one end of each base body, wherein a cable clamp is installed on the bracket, and an arc-shaped bulge for reducing the cable penetration resistance is arranged on the cable clamp.
As preferred, adjustment mechanism include the regulation seat of being connected with the base member, be equipped with the regulating plate on the regulation seat, be equipped with the adjustment tank on the regulating plate, adjusting screw has been worn out to the adjustment tank, last regulating block and the adjusting nut of installing of adjusting screw, be equipped with the backing plate between adjusting screw and the regulating plate, adjusting screw and regulating plate screw thread swing joint.
Preferably, the adjusting mechanism comprises a mechanism frame arranged on the pipe gallery body, a guide sleeve arranged on the mechanism frame, a worm in sliding fit with the guide sleeve on the mechanism frame, a worm wheel arranged on the mechanism frame and matched with the worm, and a driving rod arranged on the worm wheel.
As preferred, adjustable positioning mechanism include with this body coupling's of piping lane locating piece and positioning adjustment base and set up the movable positioning piece on adjusting the base, be equipped with the connecting plate that inserts the regulation base on the movable positioning piece, be equipped with the spacing deflector of connecting plate direction in the regulation base, be formed with the direction adjustment tank to the connecting plate direction between deflector and the deflector, the outer wall both sides of adjusting the base still are equipped with the locking hole, be equipped with the locking adjustment tank with locking hole looks adaptation on the connecting plate, the movable positioning piece passes locking hole, direction adjustment tank and locking nut for the adjustment tank through the bolt and locks and install on adjusting the base.
Preferably, the surfaces of the inner liner, the outer surface layer, the adjustable support and the positioning mechanism are further coated with a flame-retardant coating, and the flame-retardant coating comprises, by mass, 8-10 parts of 200-320-mesh expanded vermiculite powder, 8-12 parts of silica micropowder, 15-18 parts of zirconium silicate powder, 8-10 parts of silicon nitride, 8-10 parts of zinc borate, 8-10 parts of rutile titanium dioxide, 5-8 parts of sepiolite powder, 8-12 parts of zeolite powder, 10-30 parts of unsaturated polyester resin and 3-10 parts of a curing agent.
In order to achieve the purpose, the invention also discloses a preparation method of the glass fiber reinforced plastic pipe gallery, which comprises the following steps:
a) preparing an inner liner, winding a polyester film on a steel belt, uniformly stirring resin and a curing agent, uniformly spraying the resin and the curing agent on the polyester film, continuously winding a glass fiber surface felt on the polyester film sprayed with the resin and the curing agent, winding alkali-free glass fiber roving soaked by the mixed resin and the curing agent on the polyester film, and uniformly scattering the cut short alkali-free glass fiber on the glass fiber roving to prepare the inner liner;
b) preparing a structural layer, namely uniformly stirring resin and a curing agent of the structural layer, spraying the resin and the curing agent on an inner lining layer, uniformly scattering short alkali-free glass fibers and quartz sand on the resin-soaked alkali-free glass fibers and the quartz sand, continuously winding the resin-soaked alkali-free glass fiber roving on the alkali-free glass fibers and the quartz sand, and wrapping the quartz sand and the short alkali-free glass fibers by annular fibers to prepare the structural layer;
c) preparing an outer surface layer, continuously winding the glass fiber surface felt thoroughly soaked by the resin outside the structural layer to form the outer surface layer, and curing to prepare a pipe gallery body;
d) grinding and cutting, namely cutting the pipe gallery body into sections, grinding and cutting the pipe gallery body, cutting and grinding grooves for installing sealing rings and sleeve joints at two ends of the pipe gallery body, installing the sealing rings on the grooves for installing the sealing rings, and assembling and connecting sleeves at one end of the pipe gallery body for connecting and sealing the pipe gallery body and the pipe gallery body;
e) and installing an adjustable bracket or preparing an adjustable positioning mechanism, and installing the adjustable bracket in the adjustable positioning mechanism after the adjustable positioning mechanism is prepared.
Preferably, the inner liner layer and the outer surface layer respectively comprise, by mass, 60-80 parts of flame-retardant unsaturated polyester resin, 20-40 parts of alkali-free glass fiber roving, 20-40 parts of chopped alkali-free glass fiber and glass fiber surface felt, and 1-3 parts of curing agent; the structural layer comprises, by mass, 25-35 parts of flame-retardant unsaturated polyester resin, 10-20 parts of alkali-free glass fiber roving and short alkali-free glass fiber, and 50-60 parts of quartz sand; the positioning mechanism comprises, by mass, 60-80 parts of flame-retardant unsaturated polyester resin, 20-40 parts of chopped alkali-free glass fiber and glass fiber surface felt, and 1-2 parts of curing agent.
Preferably, the components of the inner lining layer and the outer surface layer also comprise 5-12 parts of expanded vermiculite powder of 200 meshes-320 meshes, 5-8 parts of silica micropowder, 5-10 parts of zirconium silicate powder and 5-10 parts of zeolite powder.
The invention has the following beneficial effects: the base body of the adjustable support is connected and matched with the adjusting mechanism, so that the base body of the adjustable support is tightly matched and attached to the inner wall of the pipe gallery through the adjusting mechanism of the adjustable support, and the adjustable support is completed, and the problem that the structural strength of the pipe gallery body is influenced by fixing a cable support by screwing expansion bolts or welding bolts on the inner wall of the pipe gallery is solved; but also solves the problems that the size of the cable bracket can not be adjusted, the installation and fixing mode is complex, the installation is inconvenient, the working procedures are various, and the manual labor is various in the prior art;
the adjustable support can be further fixed in the pipe gallery by the aid of the arranged adjustable positioning mechanism, the cable support is prevented from toppling due to overlarge pulling force when a cable is pulled, the positioning mechanism can be adjusted according to the width of the adjustable support base body, and the adjustable support can adapt to more adjustable supports, so that the operation efficiency is improved;
flame retardant coatings are also applied to the surfaces of the lining layer, the outer skin layer, the adjustable bracket and the positioning mechanism to prevent damage to the pipe gallery and to the infrastructure components within the pipe gallery in the event of a fire.
The expanded vermiculite powder, the silica micropowder, the zirconium silicate powder and the zeolite powder with 200-320 meshes are added into the components of the inner lining layer and the outer surface layer, so that the hardness of the inner lining layer and the outer surface layer is enhanced, and the flame retardant property of the pipe gallery body is further enhanced.
Drawings
FIG. 1 is a schematic cross-sectional view of a tube lane according to example 1 of the present invention;
fig. 2 is a schematic connection diagram of a pipe gallery body according to embodiment 1 of the present invention;
FIG. 3 is a schematic sectional view showing a coupling sleeve according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of an adjustable support according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of the structure of an adjustment mechanism according to embodiment 1 of the present invention;
FIG. 6 is a schematic sectional view showing an adjusting box of an adjusting mechanism in accordance with embodiment 1 of the present invention;
FIG. 7 is a schematic cross-sectional view of a tube lane according to example 2 of the present invention;
fig. 8 is a schematic sectional structure view of a pipe gallery according to embodiment 2 of the present invention;
FIG. 9 is an enlarged sectional view of the adjustment mechanism shown at A in FIG. 8;
FIG. 10 is a schematic view of the adjustable positioning mechanism at B of FIG. 8;
FIG. 11 is a schematic side view of an adjusting mechanism according to embodiment 2 of the present invention;
FIG. 12 is a schematic perspective view of an adjustable positioning mechanism according to embodiment 2 of the present invention
Fig. 13 is a schematic view of a cable clamp according to the present invention.
Detailed Description
The scope of the present invention is not limited to the following embodiments and variations thereof, and those skilled in the art will appreciate that various modifications and substitutions can be made without departing from the scope of the present invention.
The present invention will be described in further detail with reference to FIGS. 1 to 12 and examples 1 to 4.
Example 1
Mixing and fully stirring the flame-retardant unsaturated polyester resin and the curing agent uniformly, winding a polyester film on a steel belt of production equipment, winding the mixed flame-retardant unsaturated polyester resin and the curing agent on the polyester film, winding a glass fiber surface felt on the polyester film, infiltrating and winding the alkali-free glass fiber roving on the mixed resin and curing agent, and uniformly scattering the chopped alkali-free glass fiber on the alkali-free glass fiber roving to finish the manufacture of the inner liner; the flame-retardant glass fiber composite material comprises the following components, by mass, 80 parts of flame-retardant unsaturated polyester resin, 3 parts of a curing agent, 20 parts of a glass fiber surface mat, 15 parts of alkali-free glass fiber roving and 5 parts of chopped alkali-free glass fiber;
mixing the flame-retardant unsaturated polyester resin and the curing agent, fully and uniformly stirring, spraying the mixture on an inner lining layer, uniformly scattering the chopped alkali-free glass fiber and quartz sand on the mixture, and infiltrating the mixed flame-retardant polyester resin and the curing agent on the alkali-free glass fiber untwisted yarn and winding the mixed flame-retardant polyester resin and the mixed curing agent on the chopped alkali-free glass fiber and quartz sand to prepare a structural layer; the flame-retardant glass fiber reinforced plastic comprises the following components, by mass, 35 parts of flame-retardant unsaturated polyester resin, 3 parts of a curing agent, 15 parts of alkali-free glass fiber twistless roving, 5 parts of chopped alkali-free glass fiber and 60 parts of quartz sand;
soaking and winding the glass fiber surface felt on a structural layer by using mixed flame-retardant polyester resin and curing agent, and heating and curing to prepare a pipe gallery, wherein the components comprise 80 parts by mass of flame-retardant unsaturated polyester resin, 3 parts by mass of curing agent and 40 parts by mass of glass fiber surface felt;
after the pipe gallery body is solidified, cutting the pipe gallery body into sections according to production specifications, then grinding and cutting the pipe gallery body, cutting and grinding grooves for installing sealing rings and sleeve joints at two ends of the pipe gallery body, installing the sealing rings on the grooves for installing the sealing rings, assembling the sleeve joints on the grooves for installing the sleeve joints, and connecting and sealing the pipe gallery body and the pipe gallery body to finish the preparation of the pipe gallery body;
referring to fig. 1 to 6, outside the pipe gallery body, a plurality of base bodies 21 of the adjustable support 2 are connected with each other, but the base bodies 21 adjacent to the tail end or the bottom end are connected, the base bodies 21 adjacent to the tail end or the bottom end are respectively connected with the adjusting seat 210 through bolts, the adjusting plate 211 on the adjusting seat 210 is inserted into the adjusting groove 214 through the insertion groove 213 arranged on the adjusting box 212, then the adjusting screw 215 passes through the backing plate 218, is in threaded connection with the adjusting box 212, and is screwed into the adjusting groove 214 until the big end of the adjusting screw 215 is tightly attached to the backing plate 218, presses the backing plate 218, then the adjusting block 216 is installed on the adjusting screw 215 through the through hole on the adjusting block 216, and then the adjusting nut 217 is screwed on the adjusting screw 215 below the adjusting block 216; mounting the bracket 22 on the base 21 through bolts, mounting the cable clamp 231 on the bracket 22 through bolts, completing the assembly of the adjustable support, mounting and transporting the adjustable support to a designated position in the pipe gallery body after the assembly is completed, and erecting the adjustable support;
when the adjustable support 2 is adjusted, the adjusting nut 217 on the adjusting screw 215 is rotated, so that the adjusting nut 217 moves upwards in the adjusting groove 214 along the adjusting screw 215, the adjusting block 216 is pushed to move upwards in the adjusting groove 214 along the adjusting screw when the adjusting nut 217 moves upwards, after the adjusting block 214 is contacted with the adjusting plate 211 inserted into the adjusting groove 214, the adjusting block 216 is conical, when the adjusting block continues to move upwards, the adjusting plate 211 is extruded out of the adjusting groove 214 along with the increase of the contact surface with the adjusting plate 211, the adjusting plate 211 moves outwards along the slot, so that the adjusting seat 210 is driven to move towards the inner wall of the pipe gallery body 1, the base body of the adjustable support is driven towards the inner wall of the pipe gallery body 1, and the base body 21 is tightly fitted with the inner wall of the pipe gallery body 1, so that the installation and fixation of the adjustable support in the pipe gallery body 1 are completed; after the base body 21 is tightly matched and attached to the inner wall of the pipe gallery body 1, stopping rotating the adjusting nut; when will pull down adjustable support from the piping lane body, with adjusting nut 217 on adjusting screw to the downward rotation can to adjusting block 217 does not receive the power that adjusting nut 217 upwards pushed up and held in the palm, because of the dead weight is at adjusting screw 215 whereabouts, thereby reduce with the contact surface of regulating plate 211, make the regulating plate not receive the extrusion of adjusting block, break away from with the piping lane body, thereby accomplish the dismantlement.
Example 2
Referring to fig. 7 to 13, the difference between this embodiment and embodiment 1 is that the adjusting mechanism 23 of the adjustable bracket 2 in this embodiment is different from the adjusting mechanism 23 of embodiment 1 and the connection manner of the base 21 of the adjusting mechanism 23 is different, and in addition, in order to prevent the adjustable bracket from tilting in the pipe gallery body, in this embodiment, after the pipe gallery body 1 is prepared, the adjustable positioning mechanism 4 is pasted in the pipe gallery body 1; when the adjustable positioning mechanism 4 is pasted, a polyester film is wound on a mould, then the flame-retardant unsaturated polyester resin and the curing agent which are fully mixed and uniformly stirred are pasted on the polyester film, then the chopped alkali-free glass fiber is uniformly scattered on the polyester film, then the infiltrated glass fiber surface felt is wound on the polyester film, and a positioning block 41 and a positioning adjusting base 42 which are connected with the pipe gallery body are pasted; a movable positioning block 43 matched with the positioning adjusting base 42, a guide plate 421 in the positioning adjusting base 42, a guide adjusting groove 422 and a connecting plate 431 on the movable positioning block 43 are also pasted; after the pasting is finished, the heating device is used for heating and curing, grinding and cutting processes are carried out after the curing, locking holes 423 on the positioning adjusting base 42 and locking adjusting grooves 432 on the connecting plate 431 are manufactured, after the grinding and cutting processes are finished, the pasted positioning block 41 and the positioning adjusting base 42 are fixed at the appointed position of the pipe gallery body 1 in a hand pasting and fixing mode, then the connecting plate 431 of the movable positioning block 43 is inserted into the guiding adjusting groove 422 in the adjusting base 42, a bolt penetrates through the locking hole 423 at one end of the positioning adjusting base 42 and penetrates through the locking adjusting grooves 432, the bolt penetrates out of the locking hole 423 at the other end of the positioning adjusting base 42 and is locked by a nut, and therefore the assembly of the adjustable positioning mechanism 4 is finished; the components adopted in the pasting process comprise, by mass, 60 parts of flame-retardant unsaturated polyester resin, 10 parts of curing agent, 20 parts of chopped alkali-free glass fiber and 20 parts of glass fiber surface felt.
The adjusting mechanism in the embodiment adopts a worm gear transmission mode to adjust the size of the bracket; the pipe gallery comprises a machine frame 3 arranged on a pipe gallery body 1, a guide sleeve 31 arranged on the machine frame 3, a worm 32 in sliding fit with the guide sleeve 31 on the machine frame 3, a worm wheel 33 arranged on the machine frame 3 and matched with the worm 32, and a driving rod 34 arranged on the worm wheel 32; when the adjustable support is connected with the base 21, two ends of the base 21 and the worm 32 are connected through a connecting clamp plate 35, then the base 21 and the adjusting mechanism 3 are assembled by sequentially penetrating the connecting clamp plate 35, the worm 32 and the base 21 through bolts and locking the base 21 and the adjusting mechanism 3 through nuts, and then the base 21 of the assembled adjustable support is arranged between the positioning block 41 and the movable positioning block 43, so that the position of the base 21 is fixed, the base is supported by the positioning block 41 and the movable positioning block 43 in the left-right direction, and the problem that the adjustable support is inclined in the pipe gallery body 1 can be prevented; when the space between the positioning block 41 and the movable positioning block 43 is too small or too small, the bolt passing through the locking hole 423 and the locking adjusting groove 432 is pulled out, then the space between the positioning block 41 and the movable positioning block 43 is adjusted according to the width of the base 21, and the movable positioning block 43 is locked after the adjustment is completed.
When the support is adjusted, the driving rod 34 is manually rotated, the driving rod 34 drives the worm gear 33 to rotate, the worm gear 33 drives the worm 32 to move towards the direction of the base body 21 in the guide sleeve 31 on the framework 3, so that the space between the positioning block 41 and the movable positioning block 43 of the base body 21 moves towards the inner wall of the pipe gallery body 1 until the base body 21 is tightly fitted with the inner wall of the pipe gallery body 1, and the installation and fixation of the adjustable support in the pipe gallery body 1 are completed; after the base 21 is tightly fitted and attached to the inner wall of the tube rack body 1, the driving rod 34 cannot be shaken at this time; however, when the adjustable support needs to be dismounted, the driving rod 34 is shaken reversely, the driving rod 34 drives the worm wheel 33 to rotate reversely, so that the worm 32 is driven to be recovered, the base body 21 is separated from the inner wall of the gallery body 1, the adjustable support is convenient to dismount, and compared with the embodiment 1, the adjustable support is more convenient to adjust and is higher in safety, and a nut is not required to be screwed by a tool.
Example 3
This example differs from examples 1 and 2 in that the inner lining 11, the outer skin 13, the adjustable support 2 and the positioning means 4 are coated with a fire retardant coating, the flame-retardant coating comprises 10 parts of expanded vermiculite powder of 200-320 meshes, 12 parts of silicon micropowder, 15 parts of zirconium silicate powder, 10 parts of silicon nitride, 10 parts of zinc borate, 10 parts of rutile titanium dioxide, 8 parts of sepiolite powder, 10 parts of zeolite powder, 10 parts of curing agent and 15 parts of water which are mixed fully and uniformly, then evenly spraying the mixture on the surfaces of the lining layer 11, the outer surface layer 13, the adjustable bracket 2 and the positioning mechanism 4, by mixing the flame-retardant components, the flame-retardant effect of the flame-retardant coating is improved, the strength of the flame-retardant coating is also improved, the wear-resistant and anti-dropping effects of the coating are further improved, and the flame-retardant coating does not contain halogen and is non-toxic, so that the environment-friendly effect can be achieved; the expanded vermiculite powder is added, so that the pipe gallery body has a flame-retardant and fireproof effect, and the heat-insulating and cold-resistant performance of the pipe gallery body is improved; the performance of the silicon micropowder is a relatively stable substance, so that the silicon micropowder covers the surface of an object, has stronger corrosion resistance and can improve the wear resistance of a flame-retardant coating, and the addition of the zirconium silicate powder and the silicon nitride has high melting point and high strength, so that the flame-retardant effect can be achieved, the strength of the coating can be improved, and the coating can be prevented from falling off; the radial tensile strength of the coating is improved by adding the zeolite powder, so that the problem of cracking of the coating caused by environmental change is solved; by adding the curing agent, the coating is cured more quickly in the drying process, so that the production efficiency is improved.
Example 4
The difference between the embodiment and the embodiments 1 and 2 is that 5 parts of expanded vermiculite powder, 5 parts of silica powder, 5 parts of zirconium silicate powder and 5 parts of zeolite powder with 200-320 meshes are added in 80 parts of flame-retardant unsaturated polyester resin and 3 parts of curing agent for manufacturing the inner liner and the outer surface layer, and the mixture is fully mixed and stirred uniformly, so that the flame-retardant effect of the inner liner and the outer surface layer and the strength of the cured pipe gallery body are improved.
Claims (10)
1. The utility model provides a glass fiber reinforced plastic pipe gallery, includes pipe gallery body (1), pipe gallery body (1) including containing inner liner (11), structural layer (12) and extexine (13), its characterized in that still including installing adjustable support (2) that are used for arranging the cable in pipe gallery body (1) and adjustable positioning mechanism (4) that are used for adjustable support (2) location.
2. A glass fiber reinforced plastic pipe lane as defined in claim 1, wherein: install connecting sleeve (14) that are used for piping lane body (1) to be connected with piping lane body (1) on piping lane body (1), install ground connection post (141) and buffering wood (142) on connecting sleeve (14), ground connection post (141) are passed buffering wood (142) and are connected with connecting sleeve (14), be equipped with sealing washer (143) between connecting sleeve (14) and piping lane body (1).
3. A glass fiber reinforced plastic pipe lane as defined in claim 1, wherein: adjustable support (2) include a plurality of base members (21) with piping lane body (1) tight fit, install bracket (22) on base member (21) and adjustment mechanism (23) of being connected with base member (21) one end, bracket (22) on install cable clamp (231), the cable is pressed from both sides and is equipped with arc arch (232) that reduce the cable and penetrate the resistance.
4. A glass fiber reinforced plastic pipe lane as defined in claim 2, wherein: adjustment mechanism include regulation seat (210) of being connected with base member (21), be equipped with regulating plate (211) on regulation seat (210), swing joint has regulating box (212) on regulating plate (211), be equipped with regulating plate (211) male slot (213) and adjustment tank (214) of being convenient for on regulation box (212), be equipped with adjusting screw (215) in adjustment tank (214), install regulating block (216) and adjusting nut (217) on adjusting screw (215), be equipped with backing plate (218) between adjusting screw (215) and regulating plate (211), adjusting screw (215) and regulating plate (211) screw thread swing joint.
5. A glass fibre reinforced plastic pipe gallery according to claim 2, wherein: the adjusting mechanism comprises a machine frame (3) arranged on the pipe gallery body (1), a guide sleeve (31) arranged on the machine frame (3), a worm (32) in sliding fit with the guide sleeve (31) on the machine frame (3), a worm wheel (33) arranged on the machine frame (3) and matched with the worm (32), and a driving rod (34) arranged on the worm wheel (32).
6. A glass fiber reinforced plastic pipe lane as defined in claim 1, wherein: the adjustable positioning mechanism (4) comprises a positioning block (41) connected with the pipe gallery body (1), a positioning adjusting base (42) and a movable positioning block (43) arranged on the adjusting base (41), a connecting plate (431) inserted into the adjusting base (41) is arranged on the movable positioning block (43), a guide plate (421) for guiding and limiting the connecting plate (431) is arranged in the adjusting base (42), a guide adjusting groove (422) for guiding the connecting plate (431) is formed between the guide plate (421) and the guide plate (421), locking holes (423) are also arranged on two sides of the outer wall of the adjusting base (42), a locking adjusting groove (432) matched with the locking holes (423) is arranged on the connecting plate (431), the movable positioning block (43) passes through the locking hole (423), the guide adjusting groove (422) and the locking adjusting groove (432) through bolts and is tightly locked and installed on the adjusting base (41) through nuts.
7. The method for preparing a glass fiber reinforced plastic pipe gallery according to claim 1, wherein: the surface of the inner liner (11), the outer surface layer (13), the adjustable support (2) and the positioning mechanism (4) is coated with a flame-retardant coating, and the flame-retardant coating comprises 8-10 parts by mass of 200-320-mesh expanded vermiculite powder, 8-12 parts by mass of silica powder, 10-15 parts by mass of zirconium silicate powder, 8-10 parts by mass of silicon nitride, 8-10 parts by mass of zinc borate, 8-10 parts by mass of rutile titanium dioxide, 5-8 parts by mass of sepiolite powder, 5-10 parts by mass of zeolite powder and 3-10 parts by mass of a curing agent.
8. A preparation method of a glass fiber reinforced plastic pipe gallery is characterized by comprising the following steps: the preparation method comprises the following steps:
preparing an inner liner, winding a polyester film on a steel belt, uniformly stirring resin and a curing agent, uniformly spraying the resin and the curing agent on the polyester film, continuously winding a glass fiber surface felt on the polyester film sprayed with the resin and the curing agent, winding alkali-free glass fiber roving soaked by the mixed resin and the curing agent on the polyester film, and uniformly scattering the cut short alkali-free glass fiber on the glass fiber roving to prepare the inner liner;
preparing a structural layer, namely uniformly stirring resin and a curing agent of the structural layer, spraying the resin and the curing agent on an inner lining layer, uniformly scattering short alkali-free glass fibers and quartz sand on the resin-soaked alkali-free glass fibers and the quartz sand, continuously winding the resin-soaked alkali-free glass fiber roving on the alkali-free glass fibers and the quartz sand, and wrapping the quartz sand and the short alkali-free glass fibers by annular fibers to prepare the structural layer;
preparing an outer surface layer, continuously winding the glass fiber surface felt soaked by the resin outside the structural layer to form the outer surface layer, and curing to prepare a pipe gallery body;
grinding and cutting, namely cutting the pipe gallery body into sections, grinding and cutting the pipe gallery body, cutting and grinding grooves for installing sealing rings and sleeve joints at two ends of the pipe gallery body, installing the sealing rings on the grooves for installing the sealing rings, and assembling and connecting sleeves at one end of the pipe gallery body for connecting and sealing the pipe gallery body and the pipe gallery body;
and installing an adjustable bracket or preparing an adjustable positioning mechanism, and installing the adjustable bracket in the adjustable positioning mechanism after the adjustable positioning mechanism is prepared.
9. The method for preparing a glass fiber reinforced plastic pipe gallery according to claim 8, wherein: the inner liner comprises the components of each structure in parts by mass, the components of the inner liner comprise 60-80 parts of flame-retardant unsaturated polyester resin, 20-40 parts of alkali-free glass fiber roving, 20-40 parts of chopped alkali-free glass fiber and glass fiber surface felt and 1-3 parts of curing agent, the outer surface layer comprises 60-80 parts of flame-retardant unsaturated polyester resin, 1-3 parts of curing agent and 20-40 parts of glass fiber surface felt, the structure layer comprises 25-35 parts of flame-retardant unsaturated polyester resin, 10-20 parts of alkali-free glass fiber roving and chopped alkali-free glass fiber, and 50-60 parts of quartz sand; the adjustable positioning mechanism comprises, by mass, 60-80 parts of addition type flame-retardant unsaturated polyester resin, 20-40 parts of chopped alkali-free glass fiber and glass fiber surface felt, and 1-2 parts of curing agent.
10. The method for preparing a glass fiber reinforced plastic pipe gallery according to claim 8, wherein: the components of the inner lining layer and the outer surface layer also comprise 5-12 parts of expanded vermiculite powder of 200-320 meshes, 5-8 parts of silica micropowder, 5-10 parts of zirconium silicate powder and 5-10 parts of zeolite powder.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202074119U (en) * | 2011-04-21 | 2011-12-14 | 杭州市地下管道开发有限公司 | Circular pipe rack support and circular pipe rack |
| CN107503372A (en) * | 2016-06-14 | 2017-12-22 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of prefabricated piping lane |
| CN111217551A (en) * | 2018-11-23 | 2020-06-02 | 浙江海都创新科技开发有限公司 | Inorganic mineral polymeric fiber crystal halogen-free flame retardant powder |
| CN111591826A (en) * | 2020-04-22 | 2020-08-28 | 新昌县才珏纺织机械有限公司 | Quick thread changing assembly of textile machinery |
| CN111851582A (en) * | 2020-08-12 | 2020-10-30 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-wound composite pipe gallery with high fire resistance limit and preparation method thereof |
| CN212579034U (en) * | 2020-05-15 | 2021-02-23 | 江苏爱美塑业有限公司 | Trimming device for plastic flowerpot |
| CN213204208U (en) * | 2020-09-16 | 2021-05-14 | 冀中能源井陉矿业集团元氏矿业有限公司 | Convenient and practical's underground electric power piping lane support device |
-
2021
- 2021-12-22 CN CN202111579783.XA patent/CN114654779B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202074119U (en) * | 2011-04-21 | 2011-12-14 | 杭州市地下管道开发有限公司 | Circular pipe rack support and circular pipe rack |
| CN107503372A (en) * | 2016-06-14 | 2017-12-22 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of prefabricated piping lane |
| CN111217551A (en) * | 2018-11-23 | 2020-06-02 | 浙江海都创新科技开发有限公司 | Inorganic mineral polymeric fiber crystal halogen-free flame retardant powder |
| CN111591826A (en) * | 2020-04-22 | 2020-08-28 | 新昌县才珏纺织机械有限公司 | Quick thread changing assembly of textile machinery |
| CN212579034U (en) * | 2020-05-15 | 2021-02-23 | 江苏爱美塑业有限公司 | Trimming device for plastic flowerpot |
| CN111851582A (en) * | 2020-08-12 | 2020-10-30 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-wound composite pipe gallery with high fire resistance limit and preparation method thereof |
| CN213204208U (en) * | 2020-09-16 | 2021-05-14 | 冀中能源井陉矿业集团元氏矿业有限公司 | Convenient and practical's underground electric power piping lane support device |
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