CN117703155B - Insulated telegraph pole with high strength and production system thereof - Google Patents
Insulated telegraph pole with high strength and production system thereof Download PDFInfo
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- CN117703155B CN117703155B CN202311747907.XA CN202311747907A CN117703155B CN 117703155 B CN117703155 B CN 117703155B CN 202311747907 A CN202311747907 A CN 202311747907A CN 117703155 B CN117703155 B CN 117703155B
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- 230000002787 reinforcement Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 18
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Abstract
The invention discloses an insulated telegraph pole with high strength and a production system thereof, wherein the insulated telegraph pole comprises a cylindrical pole body, a first part ring and a second part ring which are aligned in a staggered way are arranged on the periphery of the pole body along an axial array, and inclined rings with two ends respectively connected with the first part ring and the second part ring are symmetrically arranged on the pole body to form inclined launders. Compared with the traditional telegraph pole, because of the existence of the launder, when the river water level rises to form flood, the flood easily flows along the low-level end of the launder on the surface of the pole body and flows out along the high-level end of the launder, so that the flood applies downward reaction force to the pole body, and the pole body is pressed down on the ground surface, thereby increasing the anti-tilting capability and strength of the telegraph pole in the flood.
Description
Technical Field
The invention relates to the technical field of production and manufacturing of telegraph poles, in particular to an insulated telegraph pole with high strength and a production system thereof.
Background
The utility pole is a pole for supporting the electric wire, which is usually a reinforced concrete conical cement pole and an equal-diameter cement pole, and the utility pole is usually molded by grouting with a mould and rotating with a centrifugal process, and finally the production of the prefabricated member of the utility pole is completed by steam curing.
According to publication number CN105965686B, publication (bulletin) day: 2019.09.20, discloses a telegraph pole production process, which comprises the following steps: straightening, fixing length and shearing the high-strength ribs to form main ribs; arranging a group of main ribs distributed around an axis, then welding a group of stand rings at uniform intervals along the axial direction of the main ribs on the inner side to form a conical steel reinforcement framework, and installing rib hanging plates at two ends of the steel reinforcement framework; arranging spiral ribs within the whole length range of the steel reinforcement framework, and binding firmly by using iron wires; pre-tensioning the steel reinforcement framework, and arranging a plurality of rings of cushion blocks on the surface at equal intervals; lifting a steel reinforcement framework into a steel mould base of the electric pole, pouring concrete slurry, closing the mould, tensioning, and centrifuging; and (3) after centrifugal molding, hanging the material into a steam curing pool for steam curing, and demoulding after natural curing after the steam curing of the electric pole is finished. The production process of the telegraph pole can improve the strength and the prestress performance of the telegraph pole, save steel, reduce the waste of concrete and reduce the production cost.
Among the prior art including above-mentioned patent, the product that current prefabricated wire pole technology formed is usually big-end-down's taper wire pole, and in the rural mountain region of south many mountains and river cross, the wire pole is often erect and is higher than the flat position of river dam in order to overhaul, but south regional precipitation is more, causes the flood easily and makes the water level rise strike wire pole lower extreme, and the lower extreme diameter value of naked earth's surface is great when the erection of taper wire pole is accomplished, and then causes the wire pole to be close to the lower extreme the more big water current impact force that receives, leads to the wire pole lower extreme to receive the impact to extract or empty from the earth's surface easily.
Disclosure of Invention
An object of the present invention is to provide an insulated wire pole having high strength and a production system thereof for solving the above-mentioned problems.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an insulating wire pole with high strength, is including being cylindric body of rod, body of rod week side is provided with dislocation alignment's first partial ring and second partial ring along the axial array, the symmetry is provided with the inclined ring that both ends are connected with first partial ring and second partial ring respectively on the body of rod in order to form the chute of slope form, just body of rod surface is provided with insulating coating.
A production system of an insulated wire pole having high strength, comprising the insulated wire pole having high strength described in the above-described aspects, further comprising a die set for producing the pole body, the die set comprising:
the lower die body is internally provided with a lower die groove, a lower edge groove and a lower connecting groove for obliquely connecting the lower edge groove are formed in the lower die groove, and an opening of the lower edge groove is positioned on a die combining surface of the lower die body;
an upper die body is internally provided with an upper die groove, a lower edge groove and an upper connecting groove for obliquely connecting the upper edge groove are formed in the upper die groove, and an opening of the upper edge groove is positioned on a die combining surface of the upper die body;
wherein the upper mold body and the lower mold body are clamped to align the upper edge groove and the lower edge groove.
Preferably, the lower edge groove comprises a first lower annular groove, a second lower annular groove and a lower end symmetrical groove, the first lower annular groove and the second lower annular groove are arranged along the axial array and are aligned in a staggered mode, and the lower end symmetrical groove is symmetrically arranged with the first lower annular groove or the second lower annular groove at two ends.
Preferably, the upper edge groove comprises a first upper annular groove, a second upper annular groove and an upper symmetrical groove, the first upper annular groove and the second upper annular groove are formed in an axial array and aligned in a staggered mode, and the upper symmetrical groove is symmetrically arranged with the first upper annular groove and the second upper annular groove at two ends.
Preferably, the die comprises a lower die cavity, a lower edge groove is formed in the lower die cavity, the lower edge groove is positioned between the lower edge groove and extends into the lower edge groove, and a main rib hole and an auxiliary rib hole which are penetrating are formed in the lower edge groove.
Preferably, a protruding portion protruding back to the die-locking surface is arranged on the peripheral side of the lower edge groove of the lower die body, a lower groove is formed on the peripheral side of the upper edge groove of the upper die body, a scratch portion is formed between the lower groove and the upper edge groove, the upper die body and the lower die body are clamped so that the scratch portion is pressed into the lower edge groove, and the protruding portion is embedded into the lower groove.
Preferably, the groove depth of the lower groove is larger than the length of the protruding part, so that the buffer cavity is formed by die assembly in the lower groove.
Preferably, the connector is provided with a fixing component for fixing the auxiliary steel bars in the auxiliary steel bar holes, the connector is provided with an extending part extending into the lower edge groove and the upper edge groove, the extending part is positioned in the lower edge groove and the upper edge groove and is pressed to enable the connector to be relatively far away, and the connector applies tensile prestress to the auxiliary steel bars.
Preferably, the diameter of the outer edge of the protruding part is smaller than the maximum diameter of the lower edge groove and the upper edge groove, and the outer edge of the protruding part is abutted against the lower edge groove and the upper edge groove so that a retention cavity is formed in the lower edge groove and the upper edge groove.
Preferably, the fixing assembly comprises symmetrically arranged clamping plates and rotating pieces, and the rotating pieces are in threaded fit with the clamping plates so that the rotating pieces rotate to drive the clamping plates to be close to clamp auxiliary reinforcing steel bars.
In the technical scheme, the insulated telegraph pole with high strength and the production system thereof provided by the invention have the following beneficial effects: utilize first partial ring and second partial ring and the slope ring on the body of rod in order to bury in ground, for traditional annular surface's wire pole, can more stable bury in the earth's surface, increase the erect stability degree of wire pole, secondly because the existence of chute, when river water level rises and forms the flood, the flood is located the body of rod surface along the low-order one end of chute easily and flows along the high-order one end of chute, and then make the flood apply decurrent reaction force to the body of rod, and then push down the body of rod in the earth's surface, increase the wire pole and be arranged in the tilting resistance and the intensity of flood, secondly still be provided with insulating coating on the body of rod of wire pole, and then increase the safety in utilization of wire pole body of rod in daily use.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of a pole body structure of a pole according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a pole body structure of a pole according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mold according to an embodiment of the present invention;
FIG. 4 is a schematic axial cross-sectional view of a mold assembly according to an embodiment of the present invention;
Fig. 5 is a schematic structural view of a lower mold and a joint seat according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an upper mold according to an embodiment of the present invention;
FIG. 7 is a schematic view of an exploded view of a connector and a mounting assembly according to an embodiment of the present invention;
fig. 8 is a schematic view of a radial cross section of a mold assembly according to an embodiment of the present invention.
Reference numerals illustrate:
1. A rod body; 11. a first partial ring; 12. a second partial ring; 13. an inclined ring; 14. a launder; 21. a lower die body; 211. a lower die cavity; 2111. a first lower ring groove; 2112. a second lower ring groove; 2113. a lower connecting groove; 214. a symmetrical groove at the lower end; 212. a connecting end; 2121. penetrating out the hole; 2122. a connection hole; 2123. a symmetrical hole; 213. a protruding portion; 22. an upper die body; 221. an upper die cavity; 2211. a first upper ring groove; 2212. a second upper ring groove; 2213. an upper connecting groove; 222. a symmetrical groove at the upper end; 223. a lower groove; 224. cutting and rubbing parts; 225. a threaded hole; 3. a joint seat; 31. a main rib hole; 32. auxiliary rib holes; 33. a mounting part; 34. an extending portion; 35. a limit groove; 4. a fixing assembly; 41. a clamping plate; 42. a rotating member; 5. a die-closing surface; 6. a buffer chamber; 7. a retention chamber; 91. a collision ring; 92. a locking groove; 93. and a limiting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
As shown in fig. 1-2, an insulated wire pole with high strength comprises a cylindrical pole body 1, a first part ring 11 and a second part ring 12 which are aligned in a staggered manner are arranged on the periphery of the pole body 1 along an axial array, inclined rings 13 with two ends respectively connected with the first part ring 11 and the second part ring 12 are symmetrically arranged on the pole body 1 to form inclined launders 14, and an insulating coating is arranged on the surface of the pole body 1.
Specifically, as shown in fig. 1, the pole body 1 of the electric pole is cylindrical, and the first part ring 11 and the second part ring 12 axially arranged on the pole body 1 are aligned in a staggered manner, that is, the first part ring 11 and the second part ring 12 are multiple, wherein the first part ring 11 in the middle is aligned with the second part ring 12 in the middle, the first part ring 11 at the upper end is higher than the second part ring 12, and the first part ring 11 at the lower end is in high interference with the second part ring 12; and a second part ring 12 is connected with the first part ring 11 higher than the second part ring 12 through an inclined ring 13, so that a plurality of groups of first part rings 11, second part rings 12 and inclined rings 13 are formed on the rod body 1 in the axial direction, inclined launders 14 are formed between different groups of inclined rings 13, the high-position end of each launder 14 faces the first part ring 11, and the low-position end faces the second part ring 12.
When the telegraph pole is required to be erected in regions with high flood occurrence at the river bank side such as the south region, the lower end part of the telegraph pole is deeply buried in the ground, and after the rod body 1 is erected, one side of the second part ring 12 of the rod body 1 faces the river water to one side, and at the moment, the lower end of the launder 14 faces the river water to one side. Through first partial ring 11 and second partial ring 12 and slope ring 13 on body of rod 1 in order to bury in ground, for traditional annular surface's wire pole, can more stable bury in the earth's surface, increase the erect stability degree of wire pole, secondly because the existence of chute 14, when river water level rises and forms the flood, the flood is located body of rod 1 surface flow and is flowed along the high-order one end of chute 14 along the low-order one end of chute 14 easily, and then make the flood apply decurrent reaction force to body of rod 1, and then push down body of rod 1 in the earth's surface, increase wire pole and be located anti-tilting ability and intensity in the flood, secondly still be provided with insulating coating on the body of rod 1 of wire pole, and then avoid the safety in utilization of wire pole body of rod 1 in the daily use.
In the above technical scheme, utilize first partial ring 11 and second partial ring 12 and slope ring 13 on body of rod 1 in order to bury in ground, for traditional annular surface's wire pole, can more stable bury in the earth's surface, increase the erect stability degree of wire pole, secondly because the existence of chute 14, when river water level rises and forms the flood, the flood is located body of rod 1 surface flow and is flowed along the high-order one end of chute 14 along the low-order one end of chute 14 easily, and then make the flood apply decurrent reaction force to body of rod 1, and then push down body of rod 1 in the earth's surface, increase wire pole and be located the anti-tilting ability and the intensity of flood, secondly still be provided with insulating coating on body of rod 1 of wire pole, and then increase the safety in utilization of wire pole body of rod 1 in daily use.
As shown in fig. 3 to 8, the present invention further provides a production system for manufacturing an insulated wire pole according to the above embodiment, in which the inner cavity of the mold for manufacturing the electrical pole is generally circular, and the mold assembly still needs to be centrifugally formed by axially rotating the mold assembly through the ground wheel by using a centrifuge, if the axis of the mold assembly is not parallel to the horizontal plane when the mold assembly is slightly inclined on the ground wheel, the cement mortar in the mold assembly is easily deviated to one end due to gravity during the centrifugal process, and thus the wall thicknesses of the two ends of the centrifugally formed electrical pole are inconsistent, for solving the problem, the production system comprises a mold assembly for manufacturing the pole body 1, and the mold assembly comprises:
the lower die body 21 is provided with a lower die groove 211, the lower die groove 211 is provided with a lower edge groove and a lower connecting groove 2113 for obliquely connecting the lower edge groove, and an opening of the lower edge groove is positioned on a die clamping surface 5 of the lower die body 21;
An upper die body 22, in which an upper die groove 221 is formed, a lower edge groove and an upper connecting groove 2213 for obliquely connecting the upper edge groove are formed in the upper die groove 221, and an opening of the upper edge groove is positioned on a die clamping surface 5 of the upper die body 22;
Wherein the upper die body 22 is clamped with the lower die body 21 to align the upper and lower edge grooves.
Specifically, as shown in fig. 5 and 6, the die generally includes a lower die body 21 and an upper die body 22, a lower die cavity 211 is formed in the lower die body 21, a lower edge cavity is formed in the lower die cavity 211 at a position close to the die clamping surface 5 of the lower die body 21 in an array, and lower connecting grooves 2113 are obliquely connected with the lower edge cavities with two staggered sides, so that an internal structure of the lower die cavity 211 shown in fig. 5 is formed; the upper edge grooves are formed in the upper mold groove 221 of the upper mold body 22 near the mold clamping surface 5 of the upper mold body 22, and the upper connecting groove 2213 is obliquely connected with the upper edge grooves with two sides dislocated, so that the inner structure of the upper mold groove 221 shown in fig. 6 is formed, when cement mortar is poured into the lower mold groove 211, the upper mold body 22 is close to the lower mold body 21 for clamping, the upper edge grooves and the lower edge grooves are mutually aligned and folded, so that the rod body 1 in the shape shown in fig. 1 can be formed when the mold assembly is formed by the centrifugal process, the forming manufacturing of the rod body 1 is realized, and secondly, the axial movement of the cement mortar body inside the mold assembly along the mold groove during the centrifugal rotation of the lower mold groove 211 and the upper edge grooves and the lower edge grooves in the upper mold groove 221 can be reduced, so that the situation that the centrifugal forming wall thickness difference of the two ends of the rod body 1 is large due to the axial offset of the internal cement mortar caused by the erection inclination of the overall axis of the mold can be reduced, thereby the strength of the two ends of the rod body 1 is increased, and the product quality of the centrifugally formed rod body 1 is improved.
Further, the upper die body 22 and the lower die body 21 are provided with the abutting rings 91, when the upper die body 22 and the lower die body 21 are clamped, the abutting rings 91 are mutually aligned to be spliced into a ring shape, at the moment, the die assembly can abut against the land wheel of the centrifugal machine through the abutting rings 91, so that the centrifugal machine can drive the die assembly to axially rotate and centrifugally form through the land wheel, and cement mortar in the die cavity of the die assembly is affected by the rotating centrifugal force and extruded on the inner wall of the die cavity, so that the die assembly can centrifugally form, such as a hollow telegraph pole shown in a figure 2.
Still further, the mold clamping surface 5 of the lower mold body 21 and the mold clamping surface 5 of the upper mold body 22 are both provided with a penetrating locking groove 92, the lower mold body 21 and the upper mold body 22 which are clamped by bolts can be locked through the penetrating locking groove 92, two ends of the lower mold body 21 are also provided with connecting end portions 212, the connecting end portions 212 are provided with penetrating connecting holes 2122 and symmetrical holes 2123, two ends of the upper mold body 22 are provided with threaded holes 225, when the upper mold body 22 is covered on the lower mold body 21, the threaded holes 225 are aligned with the penetrating connecting holes 2122, bolts can be connected with the threaded holes 225 through the penetrating connecting holes 2122, so that the connection stability between the upper mold body 22 and the lower mold body 21 is improved, the symmetrical holes 2123 and the connecting holes 2122 penetrate through the axis of the lower mold body 21 symmetrically, and corresponding bolts can be installed in the symmetrical holes 2123, so that the quality of two sides of the whole mold is balanced, the centrifugal rotation stability of the whole mold is further improved, the shaking condition is reduced, and the quality of a formed wire pole is further increased.
As still another embodiment provided by the present invention, the lower edge groove includes a first lower ring groove 2111, a second lower ring groove 2112 and a lower symmetrical groove 214, the first lower ring groove 2111 and the second lower ring groove 2112 are opened in an axial array and are aligned in a staggered manner, and the lower symmetrical groove 214 is symmetrically arranged with the first lower ring groove 2111 or the second lower ring groove 2112 at both ends.
Further, the upper edge groove includes a first upper ring groove 2211, a second upper ring groove 2212, and an upper symmetrical groove 222, the first upper ring groove 2211 and the second upper ring groove 2212 are arranged along the axial array and aligned in a staggered manner, and the upper symmetrical groove 222 is symmetrically arranged with the first upper ring groove 2211 and the second upper ring groove 2212 at two ends.
Specifically, as shown in fig. 4, the lower edge groove includes a first lower ring groove 2111 and a second lower ring groove 2112 which are arranged in an array on the two sides of the die-bonding surface 5, the number of the first lower ring groove 2111 and the second lower ring groove 2112 are equal, the two ends are misplaced, the middle parts are aligned, and the first lower ring groove 2111 and the second lower ring groove 2112 can be connected through a lower connecting groove 2113 to form an inclined forming groove; similarly, as shown in fig. 6, the upper edge groove includes a first upper ring groove 2211 and a second upper ring groove 2212 which are arranged in an array on two sides of the die-combining surface 5, the number of the first upper ring groove 2211 and the number of the second upper ring groove 2212 are equal, two ends of the first upper ring groove 2212 are staggered, the middle parts of the first upper ring groove 2211 and the second upper ring groove 2212 are aligned, and then the first upper ring groove 2211 and the second upper ring groove 2212 can be connected through an upper connecting groove 2213 to form an inclined forming groove, when the upper die body 22 and the lower die body 21 are combined, the first upper ring groove 2211 is aligned with the first lower ring groove 2111, the second upper ring groove 2212 is aligned with the second lower ring groove 2112, and the upper connecting groove 2213 and the lower connecting groove 2113 are aligned, so that a telegraph pole product as shown in fig. 2 can be centrifugally formed through the inner wall of the die assembly.
Still further, as shown in fig. 4, the lower symmetrical groove 214 is symmetrically arranged with the second lower ring groove 2112 extending in a staggered manner from the left end, and the other lower symmetrical groove 214 is symmetrically arranged with the first lower ring groove 2111 extending in a staggered manner from the right end; similarly, as shown in fig. 6, the upper symmetrical groove 222 is symmetrically arranged with the second upper ring groove 2212 extending in a staggered manner at the left end, the other upper symmetrical groove 222 is symmetrically arranged with the first upper ring groove 2211 extending in a staggered manner at the right end, and cement mortar which can be radially contained in the position of the first lower ring groove 2111 or the second lower ring groove 2112 extending in a staggered manner is more balanced through the lower symmetrical groove 214 and the upper symmetrical groove 222, so that the rotation stability of the overall die assembly during centrifugal molding is improved, the rotation shaking performance is reduced, and the quality of molded products is improved.
As still another embodiment of the present invention, the present invention further includes a joint seat 3 installed in the lower mold cavity 211 such that the lower edge cavity is located between the joint seats 3, and the end surface of the joint seat 3 extends into the lower edge cavity, and the joint seat 3 is provided with a main rib hole 31 and a sub rib hole 32 which are penetrating.
Specifically, as shown in fig. 4, the joint seat 3 is installed in the lower mold cavity 211, and the joint seat 3 is located at two sides of the lower edge groove, and the joint seat 3 is provided with a main reinforcement hole 31 and an auxiliary reinforcement hole 32, and the lower mold body 21 is provided with a penetrating hole 2121, firstly, the joint seat 3 needs to be installed in the lower mold cavity 211, then the main reinforcement is penetrated into the lower mold cavity 211 through the penetrating hole 2121 and penetrates through the two joint seats 3 through the main reinforcement hole 31, the main reinforcement is penetrated out from the penetrating hole 2121 at the other end, then the auxiliary reinforcement is penetrated between the two joint seats 3 through the auxiliary reinforcement hole 32, and then the spiral reinforcement is sleeved outside the main reinforcement and the auxiliary reinforcement simultaneously, thereby completing the erection of the reinforcement structure inside the electric wire pole, and still the main reinforcement outside the two ends of the penetrating lower mold body 21 needs to be tensioned through a pressure gun, further increasing the compressive strength of the main reinforcement, and then cement mortar can be poured between the joint seats 3.
When the upper die body 22 is clamped on the lower die body 21, cement mortar is located in the die cavity formed by surrounding the lower die cavity 211 and the upper die cavity 221, and the cement mortar is also located between the joint seats 3, at this time, as shown in fig. 4, the end faces of the joint seats 3 extend into the lower edge cavity and the upper edge cavity, when the die is integrally centrifugally rotated after the cement mortar is poured and clamped, the cement mortar in the die cavity, which is close to the joint seats 3, is more easily pressed into the upper edge cavity and the lower edge cavity of the inner wall of the die cavity by centrifugal force due to rotation, and further the problem that the cement mortar is offset and extruded along the direction of the joint seats 3 along the inner wall of the die cavity by radial centrifugal force is solved through the upper edge cavity and the lower edge cavity, so that the pressure of the cement mortar borne by the main rib holes 31 and the auxiliary rib holes 32 on the joint seats 3 is reduced, the occurrence of the cement mortar condition caused by pressing the upper end faces of the joint seats 3 is reduced, and the molding quality of a wire pole product is increased.
As another embodiment of the present invention, a protruding portion 213 protruding away from the die-locking surface 5 is disposed on a peripheral side of a lower edge groove of the lower die body 21, a lower groove 223 is disposed on a peripheral side of an upper edge groove of the upper die body 22, a rubbing portion 224 is formed between the lower groove 223 and the upper edge groove, the upper die body 22 and the lower die body 21 are clamped so that the rubbing portion 224 is pressed into the lower edge groove, and the protruding portion 213 is embedded into the lower groove 223.
Specifically, as shown in fig. 5, the lower edge groove of the lower die body 21 includes a first lower ring groove 2111, a second lower ring groove 2112 and a lower end symmetrical groove 214, and protruding portions 213 protruding away from the die-bonding surface 5 are provided on the peripheral sides of the first lower ring groove 2111, the second lower ring groove 2112 and the lower end symmetrical groove 214; when cement mortar is poured between the joint seats 3 in the lower die cavity 211, the cement mortar easily flows along the edges of the lower die cavity 211 and slumps into the first lower annular groove 2111, the second lower annular groove 2112 and the lower symmetrical groove 214 due to slumping property, so that the cement mortar is prevented from falling on the die clamping surface 5 during pouring, cleaning and leveling of the die clamping surface 5 before die clamping are facilitated, and production efficiency is improved.
Further, the upper edge groove of the upper die body 22 includes a first upper annular groove 2211, a second upper annular groove 2212 and an upper end symmetrical groove 222, a lower groove 223 matched with the protruding portion 213 is formed on the circumferential sides of the first upper annular groove 2211, the second upper annular groove 2212 and the upper end symmetrical groove 222, and a scratch portion 224 is formed through the lower groove 223, when the upper die body 22 and the lower die body 21 are closed, the protruding portion 213 is matched with the lower groove 223 in an embedded manner, so that the upper die body 22 and the lower die body 21 are conveniently closed, and the die assembly formed by the closing die is axially pre-fixed in an overall mode, so that the problem of cement mortar running on the inner wall caused by axial movement of the upper die body 22 relative to the lower die body 21 between the locking of bolts is avoided. Secondly, when the upper die body 22 is close to the lower die body 21, the protruding part 213 is embedded into the lower groove 223, and the scraping part 224 moves down along the inner cambered surface of the protruding part 213 to enter the lower edge groove, so that the cement mortar which is slumped and overflowed in the lower edge groove is pressed down in advance, the problem that the cement mortar is continuously stripped in the die groove and is not adhered to the overall inner wall of the die due to too loose cement mortar in the subsequent centrifugal process is avoided, and the forming speed of the cement mortar is increased.
Moreover, because cement mortar overflows in the lower edge groove easily when being initially poured, the existence of the protruding part 213 blocks the mortar in the lower edge groove from overflowing to the die assembly surface 5, when the upper die body 22 is clamped to the lower die body 21, the scraping part 224 moves downwards along the inner surface of the protruding part 213 in a scraping way, at the moment, the scraping part 224 and the protruding part 213 can also solve the problem that the cement mortar is extruded in the die assembly process and overflows to the die assembly surface 5, thereby avoiding the gap on the die assembly surface 5 caused by the slurry leakage in the die assembly process and ensuring the stable molding of products.
As still another embodiment provided by the present invention, the groove depth of the lower groove 223 is greater than the length of the protruding portion 213 so that the buffer chamber 6 is formed by closing the inside of the lower groove 223.
Specifically, as shown in fig. 8, when the upper die body 22 and the lower die body 21 are matched, the protruding portion 213 is embedded into the lower groove 223, and the length of the protruding portion 213 is smaller than the groove depth of the lower groove 223, so that when the upper die body 22 and the lower die body 21 are matched, the protruding portion 213 seals the lower groove 223 so as to be positioned in the lower groove 223 to form the buffer cavity 6, and when the matched is completed, the scraping portion 224 stretches into the lower edge groove, at this time, the edge line of the scraping portion 224 is in a curve shape as a die-combining line, compared with the traditional axial straight-line die-combining line, the radial pressure of mortar borne by the curve-shaped die-combining line formed at the scraping portion 224 is smaller, and the problem of slurry leakage at the die-combining surface 5 can be reduced as much as possible;
Secondly, in the process of pouring cement mortar into the whole die body to carry out centrifugal process molding, the internal cement mortar is tightly attached to the surface of a die cavity under the influence of centrifugal force, and part of water contained in the mortar can be thrown out by centrifugal force, in the process of centrifugal process molding, the traditional die is easy to throw out and splash from the die clamping surface 5 along a die clamping line, and the water drops are thrown out from the die clamping surface 5 to easily cause the problem that gaps at the die clamping surface 5 are enlarged, so that the mortar is easy to cause to run into the die clamping surface 5 along the gaps, but the buffer cavity 6 is formed by the protruding part 213 and the lower groove 223, in the process of centrifugal process molding, the water drops thrown out by centrifugal force of the cement mortar are easy to extend into the buffer cavity 6 along the die clamping line and temporarily store, firstly, the water drops thrown out from the whole die in the centrifugal process can be avoided, and secondly, the problem that the water drops are thrown out along the die clamping surface 5 to cause the gaps at the die clamping surface 5 to enlarge and cause the mortar running is avoided, so that the stability of the whole die body to the centrifugal molding of the wire pole is further increased, and the quality of the wire pole body 1 is further improved.
As a further embodiment provided by the invention, the joint seat 3 is provided with a fixing assembly 4 for fixing the auxiliary reinforcing steel bars in the auxiliary reinforcing steel bar holes 32, the joint seat 3 is provided with an extending part 34 extending into the lower edge groove and the upper edge groove, the extending part 34 is pressed in the lower edge groove and the upper edge groove to relatively separate the joint seat 3, and the joint seat 3 applies tensile prestress to the auxiliary reinforcing steel bars.
Specifically, as shown in fig. 7, the joint seat 3 is provided with a limit groove 35, the upper die body 22 and the lower die body 21 are respectively provided with a limit part 93, the groove width of the limit groove 35 is larger than the width 3-6 mm of the limit part 93, as shown in fig. 4, the joint seat 3 is provided with a fixing component 4, the fixing component 4 is used for fixing and locking the fixed auxiliary steel bar in the auxiliary steel bar hole 32 relative to the joint seat 3, namely, when the steel frame of the rod body 1 is built, the joint seat 3 is firstly installed on the limit part 93 of the lower die groove 211 through the limit groove 35, then the main steel bar penetrates into the lower die groove 211 through the through hole 2121 and penetrates through the two joint seats 3 through the main steel bar hole 31, and the main steel bar penetrates out of the through hole 2121 at the other end, then the auxiliary steel bar penetrates between the two joint seats 3 through the auxiliary steel bar hole 32, and the two ends of the auxiliary steel bar are respectively fixed and locked with each other through the fixing component 4, and then the auxiliary steel bar is spirally sleeved on the outer sides of the main steel bar and the auxiliary steel bar 3, so as to finish the structure of the steel bar of the internal electric wire erection.
Then when the upper die body 22 and the lower die body 21 are clamped, the extending part 34 of the joint seat 3 extends into and abuts against the lower edge groove and the upper edge groove, and as the groove width of the limiting groove 35 is larger than the width of the limiting part 93, the joint seat 3 can axially move by a small extent, and the scraping part 224 contacts the peripheral side of the joint seat 3 to avoid accidental movement of the joint seat 3 in the clamping process, when cement mortar is poured and clamped for centrifugal molding, the die is generally rotated to enable the internal cement mortar to be separated from the axis of the die by centrifugal force, and as shown in fig. 4, cement mortar at two ends in the die is influenced by the centrifugal force and is extruded into the upper edge groove and the lower edge groove, so that the cement mortar in the upper edge groove and the lower edge groove axially offsets along the upper edge groove and the lower edge groove under the continuous effect of the centrifugal force to apply axial pressure to the extending part 34, and thus when the die is generally in the centrifugal molding process, the internal cement mortar can apply axial pressure to the extending part 34 of the joint seat 3, and further enable the two joint seats 3 to axially slide by the pressure to be separated by a small extent from the axial direction, and the compression strength of the wire rod is further increased.
The fixing component 4 may be a worm gear and worm engaged with the claw, the worm is used to drive the worm to rotate, and the worm is rotated to tighten the claw to clamp the auxiliary steel bar, or a clamping hoop with high fixing strength is used to fix the auxiliary steel bar clamp on the joint seat 3, or other replacing structures of the fixing component 4 known to those skilled in the art may be used.
As still another embodiment provided by the present invention, the diameter of the outer edge of the protruding portion 34 is smaller than the maximum diameter of the lower edge groove and the upper edge groove, and the outer edge of the protruding portion 34 abuts against the inside of the lower edge groove and the upper edge groove to form the stagnation chamber 7 in the lower edge groove and the upper edge groove.
Specifically, as shown in fig. 4, the maximum diameter of the outer edge of the extending portion 34 is smaller than the maximum diameter of the lower edge groove and the upper edge groove, and the outer edge of the extending portion 34 is abutted against the lower edge groove and the upper edge groove, so that a retention cavity 7 is formed between the extending portion 34 and the lower edge groove and the upper edge groove, and the retention cavity 7 is positioned at one side of the extending portion 34 opposite to the side where the cement mortar is poured into the mold groove, that is, when the upper mold 22 and the lower mold 21 are clamped, the cement mortar is in the shape shown in fig. 4, and is poured between the two joint seats 3 in the mold groove, when the cement mortar is poured and clamped for centrifugal molding, the mold is rotated generally to enable the internal cement mortar to be separated from the axis thereof by centrifugal force, and at the moment, the cement mortar at the two ends of the inner side of the mold is influenced by the centrifugal force, the cement mortar is extruded into the upper edge groove and the lower edge groove to apply axial pressure to the extending portion 34, therefore, when the die is in the centrifugal forming process, the internal cement mortar can apply axial pressure to the extending part 34 of the joint seat 3, so that the two joint seats 3 slide away from each other in a small axial direction due to the pressure, the slow-retention cavity 7 is communicated with a gap generated by sliding of the extending part 34 in the die cavity, the joint seat 3 only slides in a small axial direction, the gap between the extending part 34 and the upper edge groove and the lower edge groove is small, the mortar is difficult to enter the retention cavity 7 due to larger particles, and water drops thrown out by centrifugal force easily enter the retention cavity 7 along the gap at the extending part 34 for temporary storage, so that the water drops thrown out by centrifugal force in the mortar are prevented from being thrown out along the gap at the periphery of the joint seat 3.
Secondly, due to the existence of gaps at the extending part 34, cement mortar in the upper edge groove and the lower edge groove at the two ends is easily influenced by centrifugal force and applies pressure to the gaps at the extending part 34 along the groove wall, so that the axial sliding pressure of the cement mortar on the joint seat 3 is further improved, the power is provided for the prestress formed by the stretching of the auxiliary reinforcing steel bars, and the stable formation of the prestress of the auxiliary reinforcing steel bars is ensured. It should be noted that, although the gap of the extending portion 34 is smaller, the cement mortar is difficult to pass through into the retention cavity 7, but part of the cement mortar still may enter into the retention cavity 7 under the action of pressure, but the retention cavity 7 will not interfere with the original water storage function even if the cement mortar enters into the retention cavity, and the penetration of the mortar will not damage the shape of the formed wire pole body 1, so that the product is formed by only directly breaking and separating the mortar forming portion in the retention cavity 7 from the wire pole body 1.
Still further, after the centrifugal process is carried out in order to make inside wire pole body of rod 1 rotatory shaping in the mould assembly, the mould is generally required to get into to evaporate behind the maintenance pond and carry out steam curing earlier, just can open the mould is generally to carry out the drawing of patterns output to wire pole body of rod 1, and when putting into evaporating the maintenance pond with the mould is generally to carry out steam curing, cement mortar in the mould groove is dry and hard gradually and inside steelframe structure bonding shaping, and under the effect of high temperature, the water droplet of the centrifugal department in buffer chamber 6 and the detention chamber 7 is heated and evaporates and forms steam, and then go on with both ends and both sides of the mould groove of the mould is generally through steam and increase atmospheric pressure, and then the wire pole body of rod 1 of shaping after the inside is dried and hard of being convenient for is carried out the drawing of patterns output from lower die body 21 and last die body 22, avoid body of rod 1's problem that the difficult drawing of patterns of rod 1 that causes in sticking to the mould groove inner wall.
As a further embodiment provided by the present invention, the fixing assembly 4 includes symmetrically arranged clamping plates 41 and rotating members 42, and the rotating members 42 are in threaded engagement with the clamping plates 41 so that the rotating members 42 rotate to drive the clamping plates 41 to close to clamp the secondary reinforcing steel bars.
Specifically, as shown in fig. 7, the fixing component 4 includes a clamping plate 41 and a rotating member 42, the rotating member 42 is rotatably disposed on the mounting portion 33 of the joint seat 3 by a thread, the clamping plate 41 is symmetrically slidably disposed on the mounting portion 33, and the rotating member 42 is in threaded engagement with the clamping plate 41, so that the rotating member 42 can be driven to rotate to draw the clamping plate 41 close to the auxiliary reinforcement hole 32 and clamp the auxiliary reinforcement, thereby increasing the stability of clamping the auxiliary reinforcement.
Working principle: firstly, mounting the joint seat 3 on the limiting part 93 of the lower die cavity 211 through the limiting groove 35, then penetrating the main reinforcing steel bars into the lower die cavity 211 through the penetrating holes 2121 and penetrating the two joint seats 3 through the main reinforcing steel bar holes 31, penetrating the main reinforcing steel bars out of the penetrating holes 2121 at the other end, penetrating the auxiliary reinforcing steel bars between the two joint seats 3 through the auxiliary reinforcing steel bar holes 32, then driving the rotating piece 42 to rotate so as to enable the clamping plate 41 to be close to the auxiliary reinforcing steel bar holes 32 and clamp the auxiliary reinforcing steel bars, and sleeving the spiral reinforcing steel bars on the outer sides of the main reinforcing steel bars and the auxiliary reinforcing steel bars in a spiral mode at the same time, so that the erection of the reinforcing steel bar structure inside the electric wire pole is completed, and still tensioning the main reinforcing steel bars penetrating out of the two ends of the lower die body 21 through a pressure gun;
cement mortar is then poured between the joint blocks 3 in the lower die cavity 211, and the mortar easily flows and slumps along the edges of the lower die cavity 211 to the first lower annular groove 2111, the second lower annular groove 2112 and the protruding parts 213 in the lower symmetrical grooves 214, so that the mortar in the lower edge groove is blocked from overflowing onto the die clamping surface 5;
Then the upper die body 22 approaches the lower die body 21 to be clamped, the protruding part 213 is embedded into the lower groove 223 to form a buffer cavity 6, and the fixing between the upper die body 22 and the lower die body 21 is realized through bolts and the locking grooves 92, when the upper die body 22 approaches the lower die body 21, the protruding part 213 is embedded into the lower groove 223, and the scraping part 224 is scraped and rubbed down along the inner cambered surface of the protruding part 213 to enter the lower edge groove, so that cement mortar which is slumped and overflowed in the lower edge groove is pressed and moved down in advance;
Then the die assembly is placed on a ground wheel of a centrifugal machine for centrifugal forming, water drops thrown out by cement mortar by centrifugal force easily extend into the buffer cavity 6 along a die-bonding line and are temporarily stored, the cement mortar at two ends in the die assembly is influenced by the centrifugal force and is extruded into an upper edge groove and a lower edge groove to apply axial pressure to the extending part 34, so that two joint bases 3 are relatively and axially and slightly far away by the pressure, at the moment, auxiliary reinforcements are stretched to be applied with prestress, the slow-retention cavity 7 is communicated with a gap generated by sliding of the space for pouring the cement mortar in the die cavity through the extending part 34, the gap between the extending part 34 and the upper edge groove and the lower edge groove is small due to the fact that the joint bases 3 only axially slide by a small extent, the mortar is difficult to enter the retention cavity 7 due to larger particles, and the water drops thrown out by the centrifugal force easily enter the retention cavity 7 along the gap at the extending part 34 for temporarily storing;
When the centrifugal technological process is completed, the die assembly is put into a steam curing pool for steam curing, cement mortar in the die cavity is gradually dried and hardened to be bonded with an internal steel frame structure for forming, and under the action of high temperature, water drops at the centrifugal positions in the buffer cavity 6 and the retention cavity 7 are heated and evaporated to form steam, so that air pressure is carried out and increased at two ends and two sides of the die cavity of the die assembly through the steam, and the molded telegraph pole rod body 1 after internal drying and hardening is conveniently demoulded and produced from the lower die body 21 and the upper die body 22.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (3)
1. A production system for insulated poles having high strength, for producing insulated poles having high strength, further comprising a mold assembly comprising:
The lower die body (21) is internally provided with a lower die groove (211), the lower die groove (211) is internally provided with a lower edge groove and a lower connecting groove (2113) for obliquely connecting the lower edge groove, and an opening of the lower edge groove is positioned on a die clamping surface (5) of the lower die body (21);
an upper die body (22) is internally provided with an upper die groove (221), the upper die groove (221) is internally provided with a lower edge groove and an upper connecting groove (2213) used for obliquely connecting the upper edge groove, and the opening of the upper edge groove is positioned on a die clamping surface (5) of the upper die body (22);
wherein the upper die body (22) and the lower die body (21) are clamped so as to align the upper edge groove and the lower edge groove;
The lower edge groove comprises a first lower annular groove (2111), a second lower annular groove (2112) and a lower symmetrical groove (214), the first lower annular groove (2111) and the second lower annular groove (2112) are arranged in an axial array and are aligned in a staggered mode, and the lower symmetrical groove (214) is symmetrically arranged with the first lower annular groove (2111) or the second lower annular groove (2112) at two ends;
The upper edge groove comprises a first upper annular groove (2211), a second upper annular groove (2212) and an upper symmetrical groove (222), the first upper annular groove (2211) and the second upper annular groove (2212) are arranged in an axial array and are aligned in a staggered mode, and the upper symmetrical groove (222) is symmetrically arranged with the first upper annular groove (2211) and the second upper annular groove (2212) at two ends;
the die comprises a die body and is characterized by further comprising a joint seat (3) which is arranged in the lower die groove (211) so that a lower edge groove is positioned between the joint seats (3), the end face of the joint seat (3) extends into the lower edge groove, and a main rib hole (31) and an auxiliary rib hole (32) which are penetrating are formed in the joint seat (3);
A protruding part (213) protruding back to the die-closing surface (5) is arranged on the peripheral side of the lower edge groove of the lower die body (21), a lower groove (223) is formed on the peripheral side of the upper edge groove of the upper die body (22), a rubbing part (224) is formed between the lower groove (223) and the upper edge groove, the upper die body (22) and the lower die body (21) are clamped so that the rubbing part (224) is pressed into the lower edge groove, and the protruding part (213) is embedded into the lower groove (223);
The groove depth of the lower groove (223) is larger than the length of the protruding part (213) so that the lower groove (223) is internally clamped to form a buffer cavity (6);
the connector seat (3) is provided with a fixing component (4) for fixing auxiliary reinforcing steel bars positioned in the auxiliary reinforcing steel bar holes (32), the connector seat (3) is provided with an extending part (34) extending into the lower edge groove and the upper edge groove, the extending part (34) is positioned in the lower edge groove and the upper edge groove and is pressed to enable the connector seat (3) to be relatively far away, and the connector seat (3) applies tensile prestress to the auxiliary reinforcing steel bars;
The diameter of the outer edge of the extending part (34) is smaller than the maximum diameter value of the lower edge groove and the upper edge groove, and the outer edge of the extending part (34) is abutted in the lower edge groove and the upper edge groove so that a detention cavity (7) is formed in the lower edge groove and the upper edge groove.
2. The production system of the insulated wire pole with high strength according to claim 1, wherein the fixing assembly (4) comprises symmetrically arranged clamping plates (41) and rotating members (42), and the rotating members (42) are in threaded fit with the clamping plates (41) so that the rotating members (42) rotate to drive the clamping plates (41) to draw close to clamp auxiliary reinforcing bars.
3. An insulated wire pole with high strength, characterized in that it is used for being produced by the production system of the insulated wire pole with high strength according to any one of the preceding claims 1-2, further comprising a cylindrical pole body (1), wherein a first part ring (11) and a second part ring (12) which are aligned in a staggered way are arranged on the periphery of the pole body (1) along an axial array, inclined rings (13) with two ends respectively connected with the first part ring (11) and the second part ring (12) are symmetrically arranged on the pole body (1) so as to form inclined launders (14), and the surface of the pole body (1) is provided with an insulating coating.
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| CN202311747907.XA CN117703155B (en) | 2023-12-19 | 2023-12-19 | Insulated telegraph pole with high strength and production system thereof |
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| CN202311747907.XA CN117703155B (en) | 2023-12-19 | 2023-12-19 | Insulated telegraph pole with high strength and production system thereof |
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