CN211368515U - Guardrail structure and guardrail stand fashioned mould - Google Patents

Abstract

The utility model relates to a guardrail building materials field especially indicates a fashioned mould of guardrail structure and guardrail stand, the railing structure is including stand, railing and dress trim cover. The both sides of stand all are equipped with a plurality of mounting holes, the both ends embedding of railing is in the mounting hole of adjacent coexistence post, just the both ends of railing all wear to overlap there are the dress trim cover, the dress trim cover covers the mounting hole. The anchor ring of the inner side wall of the mounting hole is provided with an inward sunken limiting groove, a plurality of elastic pieces are fixed in the decorative cover, one end of each elastic piece is fixed on the inner side wall of the decorative cover, the other end of each elastic piece is bent outwards to form an elastic piece, and the elastic pieces are embedded into the limiting grooves in an adaptive mode. The stand can adopt the surplus thick liquid of tubular pile to pour into a mould one-time integrated into one piece, perhaps the stand also can be taike stone material, specifically is that ordinary portland cement, white quartz sand and composite additive are prepared, pours into a mould one-time integrated into one piece again.

Description

Guardrail structure and guardrail stand fashioned mould

Technical Field

The utility model relates to a guardrail building materials field especially indicates a fashioned mould of guardrail structure and guardrail stand.

Background

The existing guardrail usually comprises upright posts and railings, the railings are connected between two adjacent upright posts, in order to avoid the exposure of connecting gaps between the upright posts and the railings, a decorative cover is generally additionally arranged to cover the gaps between the upright posts and the railings, and therefore the guardrail plays a role in beauty. The fixing mode of the decoration cover in the prior art generally adopts the mode of welding on site to fix the decoration cover on the railing. However, welding leaves the weld exposed, rust easily occurs over time and affects the appearance, and field welding requires carrying the welder and pulling wires to connect the power source, which is cumbersome to install.

Disclosure of Invention

The utility model provides a guardrail structure and guardrail stand fashioned mould to overcome the problem that the dress trim cover in the current guardrail structure is not convenient for the on-the-spot installation.

The utility model adopts the following technical scheme: the utility model provides a guardrail structure, is including stand dress trim cover and railing, the both sides of stand all are equipped with a plurality of mounting holes, in the mounting hole of the adjacent coexistence post of both ends embedding of railing, just the both ends of railing all wear to overlap to have dress trim cover, dress trim cover covers mounting hole, its characterized in that: the ring surface of the inner side wall of the mounting hole is provided with an inward sunken limiting groove, a plurality of elastic pieces are fixed in the decorative cover, one end of each elastic piece is fixed on the inner side wall of the decorative cover, the other end of each elastic piece is bent outwards of the decorative cover to form an elastic piece, and the included angle between each elastic piece and each elastic piece is smaller than 90 degrees; the elastic sheet is embedded into the limit groove in a matching mode.

As a further improvement, a mounting plate made of metal is fixed at the bottom of the upright post.

As a further improvement, the length of the elastic sheet is larger than the depth of the limiting groove.

A mould for casting the upright post of the guardrail comprises a left template and a right template, wherein one side surfaces of the left template and the right template are respectively provided with a concave cavity; left side template and right template all are equipped with a plurality of shaping holes that run through to the cavity in its another side of cavity, the shaping hole corresponds the mounting hole that forms the installation railing, its characterized in that: the forming device is characterized by further comprising a forming mechanism, wherein the forming mechanism comprises a flow guide pipe, a forming part, a forming sleeve and a forming seat, a plurality of forming parts are distributed at one end of the flow guide pipe in an annular mode, the forming sleeve is of a bag-shaped structure made of flexible materials, a bag opening of the forming sleeve is connected with one end of the flow guide pipe in a sealing mode, the forming sleeve is fixed in a gap formed by the forming parts distributed in the annular mode, the flow guide pipe is of a hollow structure, and the other end, opposite to the forming sleeve, of the flow; the center of the forming seat is provided with the limiting hole, the flow guide pipe is matched with and penetrates through the limiting hole, one surface of the forming seat facing the forming hole is also provided with a raised limiting ring, the limiting ring is matched and embedded into the forming hole, the end surface of the limiting ring is also provided with a forming step with the outer diameter smaller than that of the limiting ring, and the forming is close to the forming step; the locating part is the sheet metal body bending type and forms fixed part, elastic component and shaping portion including in proper order, fixed part and elastic component slope each other, the fixed part is vertical to be fixed in the honeycomb duct, shaping portion bending type becomes C style of calligraphy structure, and each shaping portion all is close to the terminal surface of shaping step, and the diameter of the ring that each shaping portion of annular distribution formed is greater than the external diameter of shaping step.

As a further improvement, the inner wall of the limiting hole on one side of the forming step is an inclined conical inclined surface, and the elastic part is matched with the inclined surface.

As a further improvement, after the left template and the right template are combined, a grouting opening for injecting mortar is arranged on the end surface of the left template and the right template, which forms the bottom of the upright post.

As a further improvement, the side surfaces of the left template and the right template on one side of the grouting opening close to the cavity are provided with accommodating grooves, and the accommodating grooves of the left template and the right template form a gap for accommodating the mounting plate in the process of die assembly; the middle of the mounting plate is provided with a through hole corresponding to the grouting opening, and the diameter of the through hole is smaller than that of the grouting opening.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a guardrail structure's stand sets up the spacing groove in its mounting hole, and the dress trim cover internal fixation has a plurality of locating parts, and the terminal bending type of locating part becomes to have elastic shell fragment. During the installation, can directly follow the dress trim cover the mounting hole direction of stand impels, makes the terminal shell fragment of locating part remove extremely spacing inslot to make the shell fragment perk at spacing inslot and elastic component body form the contained angle, the shell fragment blocks at this moment and can make the dress trim cover be difficult to remove in spacing inslot, thereby make the dress trim cover fixed laminate in the side of stand, and cover the mounting hole. Compared with the mode of welding the decorative cover on the guardrail installation site, the installation mode is more convenient, and the phenomenon that the welded welding seam is exposed to influence the attractiveness of the decorative cover can be avoided.

Drawings

Fig. 1 is a schematic perspective view of a column.

Fig. 2 is a structural schematic view of the whole railing structure.

Fig. 3 is a schematic view of the structure in the direction a in fig. 2.

Fig. 4 is a schematic perspective view of the decorative cover.

Fig. 5 is a sectional view showing the structure of the rail and the decoration cover connected to the installation hole of the post.

Fig. 6 is a schematic view of a three-dimensional structure of a cast column after a forming die is demolded.

Fig. 7 is a schematic perspective view of a molded mold for casting a pillar after mold clamping.

Fig. 8 is a schematic view of a gas source connected to a flow conduit of each forming mechanism.

FIG. 9 is a schematic cross-sectional view of a post-pouring molding die after clamping and without pouring mortar.

Fig. 10 is a schematic cross-sectional view of a post after a mold for molding the post is closed.

Fig. 11 is an enlarged view in the direction B of fig. 10.

Fig. 12 is an enlarged view in the direction C of fig. 10.

Fig. 13 is an enlarged view in the direction D in fig. 12.

Fig. 14 is a perspective view of the forming base of the forming mechanism separated from the draft tube.

Fig. 15 is a front cut-away schematic view of fig. 13.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 3, a guardrail structure comprises a column 21, a rail 23 and a decorative cover 24, wherein a mounting plate 22 made of metal is fixed at the bottom of the column 21, the column 21 is fixedly connected to the ground through the mounting plate 22, specifically, through holes can be formed in four edges of the mounting plate 22, expansion screws are driven into the ground in advance during installation, the through holes of the mounting plate 22 are correspondingly sleeved on the expansion screws, and the column 21 can be fixed on the expansion screws through locking of nuts and screws. The two sides of the upright posts 21 are also provided with a plurality of mounting holes 211, the two ends of the handrail 2 are embedded into the corresponding mounting holes 211 of the two adjacent upright posts 21, and after the upright posts 21 are fixed, the handrail 23 can be fixed between the two adjacent upright posts 21 under the limitation of the mounting holes 211.

As shown in fig. 4 and 5, a plurality of elastic members 25 are fixed in the decorative cover 24, and the elastic members 25 and the device cover 24 may be fixed by welding. One end of the elastic element 25 is fixed on the inner side wall of the decoration cover 24, the other end of the elastic element 25 is bent towards the outside of the decoration cover 24 to form an elastic sheet 251, the included angle between the elastic sheet 251 and the elastic element 25 is smaller than 90 degrees, and the elastic sheet extends out of the decoration cover 24. Both ends of the rail 23 are penetrated through the decoration cover 24 before being mounted in the mounting holes 21 of the columns 21. The ring surface of the inner side wall of the mounting hole 211 is provided with an inward concave limiting groove 212, the elastic sheet 251 is embedded into the limiting groove 212 in a matching manner, and the length of the elastic sheet 251 is larger than the depth of the limiting groove. When the decoration cover is pulled outwards, the elastic sheet is bent reversely, and the length of the elastic sheet 251 is larger than the depth of the limiting groove 212, so that the limiting groove 212 can block the elastic sheet 251 to prevent the elastic sheet 251 from being bent reversely and pulled out of the limiting groove 212. Specifically, when the decoration cover 24 is fixed in installation, the decoration cover 24 can be directly pushed in along the direction of the mounting hole 211 of the upright post 21, and the elastic sheet 251 is pushed in the gap between the railing 23 and the mounting hole 211 after being pushed, and is pushed in continuously, so that the elastic sheet 251 moves into the limiting groove 212, and at the moment, the elastic sheet 251 returns to the original state in the limiting groove 212, namely, the limiting groove 212 is tilted to form an included angle with the elastic piece body 25 (specifically shown in fig. 5), and the elastic sheet 251 is clamped in the limiting groove 212 to prevent the decoration cover 24 from moving, so that the decoration cover 24 is fixedly attached to the side surface of the upright post 21 and covers the mounting hole 211. This mounting is more convenient than welding in the field and avoids exposure of the welded seam which could affect the aesthetic appearance of the trim cover 24.

Further, the mounting plate 22 is a 45# steel plate with the thickness of 8-10 mm, the upright post 21 is made of a Taike stone material, specifically, ordinary portland cement, refined white quartz sand and a composite additive, and then is poured into a mold for one-time integral pouring forming, and the upright post can reproduce high-strength decorative materials with various natural stone or wood effects by adopting the material; or the column 21 can be integrally formed at one time by pouring the residual slurry of the tubular pile into a die, the residual slurry of the tubular pile is the residual slurry discharged in the production process of concrete products such as an electric pole, a hollow tubular pile, a hollow square pile and the like, and the residual slurry of the tubular pile can be selected to recycle waste materials, so that the purposes of energy conservation and environmental protection are achieved. The balustrade 23 is preferably a hot-dip galvanized steel pipe, and the surface of the balustrade is subjected to high-temperature electrostatic spraying treatment, so that the balustrade has better weather resistance. The decoration cover 24 and the elastic piece 25 can be made of hot-dip galvanized steel plates with the thickness of 1-1.2 mm, the elastic piece 25 is bent and formed through a bending machine, the decoration cover 24 is formed through punching, welding and fixing are carried out after forming, and then the decoration cover 24 is subjected to high-temperature electrostatic spraying which is consistent with the railing 23.

As shown in fig. 6, 7, 9 and 10, a mold for molding an upright post of the guardrail includes a left mold plate 11, a right mold plate 12 and a plurality of molding mechanisms 3, wherein the left mold plate 11 and the right mold plate 12 are respectively provided with a concave cavity on the corresponding side surface, and after the left mold plate 11 and the right mold plate 12 are closed, the cavity of the left mold plate 11 and the cavity of the right mold plate 12 are combined to form a cavity 13 for molding the upright post 21 of the guardrail structure, and grouting ports 14 for injecting mortar are arranged on the end surfaces of the left mold plate 11 and the right mold plate 12 forming the bottom of the upright post 21, and the complete grouting port 14 formed after the left mold plate 11 and the right mold plate 1 are closed is a circular through hole structure. In addition, as shown in fig. 8 to 10, the left mold plate 11 and the right mold plate 12 are both provided with a receiving groove 16 on the side surface of the grouting opening 14 close to the inner side of the cavity 13, and the receiving groove 1 of the left mold plate 11 and the receiving groove 16 of the right mold plate 12 form a gap for placing the mounting plate 22 when the mold is closed. The middle of the mounting plate 22 is provided with a through hole 221 corresponding to the grouting opening 14, and the diameter of the through hole 221 is smaller than that of the grouting opening 14. When the upright post 21 is poured, mortar is poured into the cavity 13 along the grouting opening 14, the mortar is poured to the top plane of the grouting opening 14, and the upright post 21 can be formed after the mortar is solidified and is demoulded. Because the diameter of the through hole 211 in the center of the mounting plate 22 is smaller than the diameter of the grouting opening 14, after the mortar is fixed, the diameter of the mortar poured into the grouting opening 14 is larger than the diameter of the through hole 211 of the mounting plate 21, so that the mortar on the upper end surface and the lower end surface of the mounting plate 22 can form a structure for fixing the periphery of the through hole 211 of the mounting plate 22, and the mounting plate 22 made of metal and the upright post 21 made of the takow stone are integrally formed.

As shown in fig. 12 to 15, the forming mechanism 3 includes a flow guide tube 31, a forming member 33, a forming sleeve 34 and a forming base 32. A plurality of forming parts 33 are annularly distributed at one end of the guide pipe 31. The forming sleeve 34 is a bag-shaped structure made of flexible materials, and specifically can be a silica gel sleeve, a bag opening of the forming sleeve 34 is connected with one end of the flow guide pipe 31 in a sealing manner, the forming sleeve 34 is fixed in gaps formed by the forming pieces 33 and distributed in the flow guide pipe 31 in an annular manner, the fixing manner of the forming sleeve 34 can be realized by bonding resin glue for sealing, and screws are threaded on the outer surface of the forming sleeve 34 to the flow guide pipe 31 for fixing. The flow guide pipe 31 is a hollow structure, the other end of the flow guide pipe 31 opposite to the forming sleeve 34 is connected to an air source, the air source can be an air source generated by an air compressor, and the air source is input into the forming sleeve 34 to enable the forming sleeve 34 to expand under the air pressure. The specific air supply mode can be the structure as shown in fig. 8, and the air source is connected to the inside of the flow guide pipe 31 of the forming mechanism 3 through the parallel connection structure of the hoses 35.

With continued reference to fig. 12 to 15, the forming member 33 is a sheet metal body, and is formed by bending through a sheet metal process, and includes a fixing portion 331, an elastic portion 332, and a forming portion 333 in sequence. The fixed portion 331 and the elastic portion are inclined to each other, and the fixed portion 331 is vertically fixed to the flow guide tube 31, so that the elastic portion 332 is inclined with respect to the flow guide tube 31, and the elastic portion 332 has elasticity with respect to the flow guide tube 31 after being stressed. Further, in order to increase the elasticity of the position of the elastic portion 332 with respect to the duct 31, a spring may be fixedly connected between the elastic portion 332 and the duct 31, and the elastic portion 332 may be kept in a state of being inclined with respect to the duct 31 by the spring. The forming part 333 is bent to form a C-shaped structure, which enables the forming sleeve 34 to be limited by the forming part 333 to form a circular disc body with a structure consistent with the forming part 333 after being inflated by injecting air source, and the forming sleeve 34 is extruded out of the gap between two adjacent forming parts 33 after being inflated, thereby sealing the gap. Furthermore, in order to increase the structural stability of the forming part 333, a layer of stainless steel plate with the same structure as the forming part 333 may be embedded outside the forming part 333 to reinforce the forming part 333 and make the forming part 333 difficult to deform. Preferably, the air pressure of the air source is less than 2KG, so as to avoid the deformation of the forming part 333 caused by excessive air pressure.

As shown in fig. 9 and 12, the left mold plate 11 and the right mold plate 12 are each provided with a plurality of molding holes 15 penetrating into the cavity on the other side surface of the cavity. The center of the forming base 32 is provided with the limiting hole 323, the guide pipe 31 is adapted to and penetrates through the limiting hole 323, one surface of the forming base 32 facing the forming hole 323 is further provided with a raised limiting ring 321, and the limiting ring 321 is adapted to be embedded into the forming hole 15. The end face of the limiting ring 321 is further provided with a forming step 322 with an outer diameter smaller than that of the limiting ring, and a space formed by the forming step 322 after mortar is poured corresponds to the mounting hole 211 of the upright post 21. Each forming part 333 of the forming mechanism 3 is close to the forming step 322, and the diameter of the circular ring formed by each forming part 333 annularly distributed on the flow guide pipe 31 is larger than the outer diameter of the forming step 322. After the mortar is poured, the space formed by the circular ring formed by each forming part 333 and the disc formed by the molding sleeve 34 expanded by the air pressure forms the limit groove 212 of the upright post 21, and the expansion of the molding sleeve 34 can prevent the mortar from penetrating into the molding mechanism 3 and the molding hole 15 along the gap between the molded parts.

The method for pouring the upright post of the guardrail structure by using the mold comprises the following steps:

the method comprises the following steps: placing the mounting plate 22 in the accommodating groove 16 of the left template 11 or the right template 12, closing the left template 11 and the right template 12, and after closing the mold, fixing the left template 11 and the right template 12 by mounting quick buckles on the left template 11 and the right template 12;

step two: sequentially installing the forming mechanism 3 in each forming hole 15 of the left template 11 and the right template 12, specifically, correspondingly embedding the limiting ring 321 of the forming seat 3 into the forming holes 15 of the left template 11 and the right template 12;

step three: gas is poured into each draft tube 31 to expand the forming sleeve 34;

step three: pouring mortar formed by preparing ordinary portland cement, refined white quartz sand and a composite additive into cavities of the left template and the right template along the grouting port until the grouting port is full;

step four: after standing for 3-3.5 hours, stopping injecting gas into each flow guide pipe 31, after standing for 3-3.5 hours, gradually enabling the mortar to approach a solidification state, stopping injecting gas to enable the forming sleeve 34 to shrink, facilitating subsequent demoulding, and preventing the mortar from flowing into a space formed by the surrounding of each forming part 333;

step five: standing for 4-6 hours on the basis of the fourth step to enable the mortar to be nearly completely solidified, and then sequentially taking out each forming mechanism 3 and separating the left template 11 from the right template 12 to finish demoulding;

step six: and (5) maintaining under natural conditions, and obtaining the upright post of the guardrail structure after 48 hours.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (7)

1. The utility model provides a guardrail structure, is including stand dress trim cover and railing, the both sides of stand all are equipped with a plurality of mounting holes, in the mounting hole of the adjacent coexistence post of both ends embedding of railing, just the both ends of railing all wear to overlap to have dress trim cover, dress trim cover covers mounting hole, its characterized in that: the ring surface of the inner side wall of the mounting hole is provided with an inward sunken limiting groove, a plurality of elastic pieces are fixed in the decorative cover, one end of each elastic piece is fixed on the inner side wall of the decorative cover, the other end of each elastic piece is bent outwards of the decorative cover to form an elastic piece, and the included angle between each elastic piece and each elastic piece is smaller than 90 degrees; the elastic sheet is embedded into the limit groove in a matching mode.

2. A guardrail structure according to claim 1, wherein: and a mounting plate made of metal is fixed at the bottom of the upright post.

3. A guardrail structure according to claim 1, wherein: the length of the elastic sheet is greater than the depth of the limiting groove.

4. A mold for molding guardrail stand columns comprises a left mold plate and a right mold plate, wherein one side surfaces of the left mold plate and the right mold plate are respectively provided with a concave cavity, and after the left mold plate and the right mold plate are closed, the cavity of the left mold plate and the cavity of the right mold plate are combined to form a cavity for casting the stand columns of guardrail structures; left side template and right template all are equipped with a plurality of shaping holes that run through to the cavity in its another side of cavity, the shaping hole corresponds the mounting hole that forms the installation railing, its characterized in that: the forming device is characterized by further comprising a forming mechanism, wherein the forming mechanism comprises a flow guide pipe, a forming part, a forming sleeve and a forming seat, a plurality of forming parts are distributed at one end of the flow guide pipe in an annular mode, the forming sleeve is of a bag-shaped structure made of flexible materials, a bag opening of the forming sleeve is connected with one end of the flow guide pipe in a sealing mode, the forming sleeve is fixed in a gap formed by the forming parts distributed in the annular mode, the flow guide pipe is of a hollow structure, and the other end, opposite to the forming sleeve, of the flow; the center of the forming seat is provided with a limiting hole, the flow guide pipe is matched with and penetrates through the limiting hole, one surface of the forming seat facing the forming hole is also provided with a raised limiting ring, the limiting ring is matched and embedded into the forming hole, the end surface of the limiting ring is also provided with a forming step with the outer diameter smaller than that of the limiting ring, and the forming piece is close to the forming step; the forming part is the sheet metal body bending type and forms including fixed part, elasticity portion and shaping portion in proper order, fixed part and elasticity portion slope each other, the fixed part is vertical to be fixed in the honeycomb duct, shaping portion bending type becomes C style of calligraphy structure, and each shaping portion all is close to the terminal surface of shaping step, and the diameter of the ring that each shaping portion of annular distribution formed is greater than the external diameter of shaping step.

5. The forming die for the guardrail posts as claimed in claim 4, wherein: the inner wall of the limiting hole on one side of the forming step is an inclined conical inclined plane, and the elastic part is matched with the inclined plane.

6. The forming die for the guardrail posts as claimed in claim 4, wherein: and after the left template and the right template are assembled, a grouting opening for injecting mortar is arranged on the end surface of the bottom of the upright post.

7. The forming die for the guardrail posts as claimed in claim 6, wherein: the side surfaces of the left template and the right template, which are close to one side in the cavity, at the grouting opening are provided with accommodating grooves, and the accommodating grooves of the left template and the right template form a gap for placing the mounting plate when the die is closed; the middle of the mounting plate is provided with a through hole corresponding to the grouting opening, and the diameter of the through hole is smaller than that of the grouting opening.

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