CN218667302U

CN218667302U - Cast-in-place template structure for concrete anti-collision guardrail

Info

Publication number: CN218667302U
Application number: CN202222283985.6U
Authority: CN
Inventors: 杨国庆; 魏杰; 王冬冬; 赵锋; 宋坤; 史少朋; 周坤
Original assignee: Jinan Urban Construction Group Co Ltd
Current assignee: Jinan Urban Construction Group Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-03-21
Anticipated expiration: 2032-08-29

Abstract

The utility model belongs to the technical field of road construction, in particular to a cast-in-situ template structure for a concrete crash barrier, which comprises a vertical template and an inclined template which are arranged oppositely, wherein the vertical template and the inclined template are supported by a bottom plate of a road respectively; the outer support rod comprises a rotating sleeve which is arranged at the screw rod outside the inclined template through threads, the outer wall surface of the rotating sleeve is fixed with one end of a first threaded sleeve, the axis of the first threaded sleeve is horizontal, an ejector rod is arranged in the first threaded sleeve through threads, and the ejector rod penetrates out of the other end of the first threaded sleeve; the coaxial cover of axle sleeve is established in the one end that the ejector pin kept away from first thread bush, and the other end and the first supporting seat of axle sleeve are fixed, and first supporting seat is articulated with the second supporting seat, and the axis of the articulated axis perpendicular ejector pin of first supporting seat and second supporting seat.

Description

Cast-in-place template structure for concrete anti-collision guardrail

Technical Field

The utility model belongs to the technical field of the road construction, a concrete crash barrier is with cast-in-place template structure is specifically provided.

Background

When road construction, the road side needs pour concrete guardrail along the extending direction of road, as shown in fig. 5, the casting die includes that a perpendicular template and a multistage diagonal formwork of buckling, to perpendicular template, it is spacing through the vertical montant of pegging graft in road or ground isotructure, but to diagonal formwork, different faces are different contained angles with vertical, can not contact and carry on spacingly at the montant of vertical grafting with the lateral surface of diagonal formwork.

In the related art, as shown in fig. 5, in order to fix the vertical formwork, the outer side surface of the vertical formwork is provided with a plurality of rib plates in the horizontal direction, an inclined pressure rod is installed between the rib plates and the ground, the upper end of the pressure rod abuts against the lower surface of the rib plate, and the lower end of the pressure rod is inserted into a pit of the ground. In the arrangement mode, a plurality of grooves need to be formed in positions far away from the side edges of the road, so that the plurality of grooves are irregularly distributed on the surface of the poured road, and the integrity of the ground is affected. Meanwhile, when the guardrail concrete is vibrated, the rib plate is subjected to the upward counter force of the pressure rod, so that the welding part of the rib plate and the inclined formwork is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete anticollision barrier is with cast-in-place template structure to solve one of above-mentioned technical problem.

In order to solve the above-mentioned problem among the prior art, one or more embodiments of the utility model provide a cast-in-place formwork structure for concrete crash barrier, including the vertical template and the diagonal form board of mutual disposition, outer vaulting pole, axle sleeve and the vertical screw rod that just uses in pairs. The vertical template and the inclined template are respectively supported by a bottom plate of a road, and a pouring cavity is enclosed between the vertical template and the inclined template; the screws used in pairs are respectively arranged on one side, which is far away from the pouring cavity, of the vertical template and the inclined template, and the lower ends of the screws can penetrate into the positioning holes formed in the bottom plate.

The outer support rod comprises a rotating sleeve which is arranged at the screw rod outside the inclined template through threads, the outer wall surface of the rotating sleeve is fixed with one end of a first threaded sleeve, the axis of the first threaded sleeve is horizontal, an ejector rod is arranged in the first threaded sleeve through threads, and the ejector rod penetrates out of the other end of the first threaded sleeve; the coaxial cover of axle sleeve is established in the one end that first thread bush was kept away from to the ejector pin, and the other end and the first supporting seat of axle sleeve are fixed, and first supporting seat is articulated with the second supporting seat, the axis of the perpendicular ejector pin of the articulated axis of first supporting seat and second supporting seat, the second supporting seat have parallel self articulated axis's butt face, with the contact of inclined form board face.

The beneficial effects of one or more of the above technical solutions are as follows:

the utility model uses the combination of the external stay bar, the shaft sleeve and the screw to replace the combination structure of the rib plate and the pressure bar; the counter force at the inclined template is transmitted to the screw rod through the plurality of outer support rods, so that the problem that the vertical rod piece cannot be contacted with and supported by the inclined template due to the arrangement of the vertical rod piece on the outer side surface of the inclined template is solved; in addition, no rib plate is required to be arranged, the second supporting seat is directly abutted against the outer side face of the inclined template, and the problem that the rib plate is damaged due to upward counter force is solved. The even arrangement in the road position that is close to the guardrail of locating hole of installation screw rod simultaneously, the shutoff is pour again to the unified of being convenient for, and is less to the road wholeness influence.

The outer support rod can rotate along the screw rod through the rotating sleeve, so that the second support seat reaches different heights of the outer side surface of the inclined template to be abutted; in addition, through the matching of the rotating sleeve and the screw rod and the matching of the first threaded sleeve and the ejector rod, the outer support rod with the same specification can adapt to the problem that the outer side surface of the inclined template is different in position and distance between the screw rods, and the application range of the outer support rod is widened.

The end of the ejector rod in the second threaded sleeve is provided with the rotating sleeve, the first supporting seat and the second supporting seat which are hinged to each other are installed at the rotating sleeve, the axis of the ejector rod is perpendicular to the hinge axis between the first supporting seat and the second supporting seat, the setting mode can be adjusted to any height through the outer supporting rod, and after the ejector rod stretches out any height relative to the first threaded sleeve, the abutting surface of the second supporting seat can be limited by the surface contact with the outer side surface of the inclined template.

Drawings

Some embodiments of the present application are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of an embodiment of the present invention showing an overall structure in use;

fig. 2 is a schematic view illustrating the inner stay bar of the embodiment of the present invention abutting against the formwork through the groove;

fig. 3 is a schematic structural view of an outer stay bar in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of an inner stay bar according to an embodiment of the present invention;

fig. 5 is a schematic view showing the positioning of the inclined form plate by the rib plate and the lift pin in the related art.

List of reference numerals: 1. a base plate; 2. erecting a template; 3. a first screw; 4. an inner brace rod; 5. a turnbuckle; 6. inclining the template; 7. a second screw; 8. an outer brace bar; 9. a rib plate; 10. a pressure lever.

801. A first support base; 802. a second support seat; 803. a shaft sleeve; 804. a top rod; 805. a first external thread; 806. a first threaded sleeve; 807. rotating the sleeve; 808. a first threaded hole; 401. a jacking seat; 402. a second threaded sleeve; 403. a second external thread; 404. the rod is extended outwards.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present application, and do not mean that the present application can be implemented only by the preferred embodiments, which are merely for explaining the technical principles of the present application and are not intended to limit the scope of the present application. All other embodiments that can be derived by a person skilled in the art from the preferred embodiments provided herein without inventive step should still fall within the scope of protection of the present application.

It should be noted that in the description of the present application, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

As shown in fig. 5, in the related art, in order to fix the vertical formwork, the outer side surface of the vertical formwork is provided with a plurality of horizontal rib plates 9, and an inclined compression bar 10 is installed between the rib plates 9 and the ground, in this arrangement, a plurality of grooves need to be formed at positions far away from the side edge of the road, so that the plurality of grooves are irregularly distributed on the surface of the poured road, and the integrity of the ground is affected. Meanwhile, when the guardrail concrete is vibrated, the rib plate is subjected to the upward counter force of the pressure rod, so that the welding part of the rib plate and the inclined formwork is easy to damage.

In order to solve the above problems, as shown in fig. 1 to 4, the present embodiment provides a cast-in-place formwork structure for a concrete crash barrier, which includes a vertical formwork 2 and an inclined formwork 6 that are oppositely arranged, a screw rod that is vertically used in pairs, an outer brace 8, and a bushing 803. The vertical template 2 and the inclined template 6 are respectively supported by the bottom plate 1 of the road, and a pouring cavity is enclosed between the vertical template 2 and the inclined template 6; screws (namely, a first screw 3 at the vertical template 2 and a second screw 7 at the inclined template 6 shown in fig. 1) used in pairs are respectively arranged on one sides of the vertical template 2 and the inclined template 6, which are far away from the pouring cavity, and the lower ends of the screws can penetrate through positioning holes formed in the bottom plate 1.

The outer support rod 8 comprises a rotating sleeve 807 which is installed at a screw rod outside the inclined formwork 6 through threads, the outer wall surface of the rotating sleeve 807 is fixed with one end of a first threaded sleeve 806, the axis of the first threaded sleeve 806 is horizontal, a top rod 804 is installed in the first threaded sleeve 806 through threads, and the top rod 804 penetrates out of the other end of the first threaded sleeve 806; the shaft sleeve 803 is coaxially sleeved at one end, away from the first threaded sleeve 806, of the ejector rod 804, the other end of the shaft sleeve 803 is fixed with the first supporting seat 802, the first supporting seat 802 is hinged to the second supporting seat 801, the hinge axis of the first supporting seat 802 and the hinge axis of the second supporting seat 801 are perpendicular to the central axis of the ejector rod 804, and the second supporting seat 801 is provided with an abutting surface parallel to the hinge axis of the second supporting seat 801 so as to be in surface contact with the inclined formwork 6.

The present embodiment refers to the concept of the vertical formworks 2 and diagonal formworks 6, which are plates that perform the function of casting formworks, and it is understood that for the vertical formworks 2, they should be vertically arranged plates, in which the two surfaces with the largest dimension and arranged oppositely are the side surfaces, which in general should be arranged parallel to the extending direction of the road.

The vertical formwork 2 and the inclined formwork 6 are arranged oppositely, which means that the side surfaces of the vertical formwork 2 and the inclined formwork 6 are arranged oppositely in space; when the diagonal mold plate 6 is projected in a direction perpendicular to the vertical mold plate 2, the orthographic projection of the diagonal mold plate 6 falls completely on the vertical mold plate 2. The vertical template 2 and the inclined template 6 are respectively supported by a bottom plate 1 of the road, wherein the bottom plate 1 of the road is a concrete bottom plate 1.

It can be understood that the length of a single vertical template 2 and a single diagonal template 6 cannot meet the requirement of pouring guardrails with the same length on two sides of a road, and therefore a plurality of vertical templates 2 can be arranged along the length direction of the road along the vertical templates 2 and the diagonal templates 6. The inclined formworks 6 are spliced along the length direction of the road respectively. The splicing structure will not be described in detail here, and is set by the person skilled in the art.

It can be understood that the rotating sleeve 807 is sleeved outside the screw rod, and the screw rod is vertically arranged, so that the rotating axis of the rotating sleeve 807 is vertically arranged; in addition, if the axis of the first threaded sleeve 806 is horizontal, the axes of the first threaded hole 808 and the second threaded hole are perpendicular to each other when the threaded hole in the rotating sleeve 807 is the first threaded hole 808 and the threaded hole in the first threaded sleeve 806 is the second threaded hole.

Specifically, the top rod 804 is externally provided with a first external thread 805 for mating with an internal thread of the first thread bushing 806.

In this embodiment, the inclined template 6 is including parallel erect the riser of template 2, the multistage bending plate is connected to the lower extreme of erecting the board, the multistage bending plate is from last to keeping away from in proper order the direction of erecting template 2 is buckled. As shown in fig. 1, a concrete structural form of the angle form 6 is shown, wherein the vertical plate portion is vertically parallel to the vertical plate, the multi-section bending plate has two sections, each section is bent from top to bottom towards the direction far away from the vertical form 2, and in order to increase the supporting strength of the angle form 6, an outer support rod 8 is respectively arranged at each section of the multi-section bending plate.

In this embodiment, the number of the outer stay bars 8 is multiple, and the second supporting seats 801 in the multiple outer stay bars 8 are respectively pressed on the outer side surfaces of the inclined formworks 6. The vertical plate part of the vertical template 2 and each section of the multi-section bending plate are respectively supported by the outer support rods 8.

In this embodiment, the wall-hanging type wall-hanging scaffold further comprises an inner supporting rod 4 with adjustable length, and two ends of the inner supporting rod 4 are respectively pressed on the inner side surfaces of the vertical template 2 and the plate conveying part.

In this embodiment, the inner supporting rod 4 includes a second threaded sleeve 402, and a coaxial outer extending rod 404 is disposed in the second threaded sleeve 402, and the two are connected by a thread. Grooves are respectively formed in the inner side surfaces of the vertical template 2 and the vertical plate part, and the grooves are used for accommodating the end parts of the inner supporting rods 4 so as to limit the inner supporting rods 4 from moving downwards relative to the vertical template 2. When the vertical template is used, the length of the inner supporting rod 4 is smaller than the distance between the vertical template 2 and the vertical plate part, then the length of the inner supporting rod 4 is integrally increased by rotating the second sleeve and the extension rod, and finally the two ends of the inner supporting rod 4 are respectively embedded into the grooves. The ends of the second threaded sleeve 402 and the external rod 404 are respectively provided with a tightening seat 401 for being embedded into the corresponding grooves.

As the inner support rod 4, the other structural form that the length can be adjusted can be realized, the inner support rod can comprise a rod sleeve and an inner rod, the inner rod is coaxially nested in the rod sleeve and can stretch along the rod sleeve, a jacking screw hole is formed in the end part of the rod sleeve, the head of a jacking bolt in the jacking screw hole can jack the outer wall surface of the inner rod tightly, and when the jacking bolt is loosened, the whole length of the inner support rod 4 can be adjusted through the drawing inner rod.

Specifically, the outer circumferential side of the outrigger 404 is provided with a second external thread 403, and the second external thread 403 is threadedly engaged with a second threaded hole in the second threaded sleeve 402.

In this embodiment, the number of screw rods is many pairs, and many pairs of screw rods arrange in proper order along crash barrier's extending direction.

In this embodiment, a turn buckle 5 is connected between the paired screws, and two ends of the turn buckle 5 are respectively clamped at the two screws.

The working principle is as follows: firstly, a positioning hole is drilled in advance in the upper surface of a road bottom plate 1 according to the position of a concrete guardrail, vertical screw rods penetrate through the positioning hole, then a vertical template 2 and an inclined template 6 are installed between the screw rods used in pairs, a first screw rod 3 of the vertical template 2, which deviates from one side of a pouring space, is completely attached to the outer side surface of the vertical template 2, and a second screw rod 7 of the inclined template 6, which deviates from one side of the pouring space, is in contact with the lower end of the inclined template 6, so that limiting is realized. An inner stay bar 4 is arranged between the inclined template 6 and the vertical template 2, and the length of the inner stay bar 4 is adjusted, so that the two ends of the inner stay bar 4 are respectively abutted to the inner side surfaces of the vertical plate parts in the vertical template 2 and the inclined template 6.

Then install outer vaulting pole 8 in every section position in riser portion and multistage bent plate, the commentaries on classics cover 807 and the second screw rod 7 of outer vaulting pole 8 rotate to be connected, make outer vaulting pole 8 reach different height departments through rotating cover 807, then rotatory ejector pin 804 for the whole length of outer vaulting pole 8 satisfies the distance requirement between second screw rod 7 and the inclined formwork 6.

When the top rod 804 is rotated to be in contact with the outer side surface of the inclined formwork 6, the shaft sleeve 803 is pulled and rotated in the axial direction of the top rod 804, so that the hinge axis between the first supporting seat 802 and the second supporting seat 801 is horizontal, and the second supporting seat 801 is rotated, so that the abutting surface contacts the surface of the inclined formwork 6. And then the push rod 804 is continuously rotated until the push rod 804 pushes the shaft sleeve 803 tightly.

So far, the technical solutions of the present application have been described in connection with the foregoing preferred embodiments, but it is easily understood by those skilled in the art that the scope of protection of the present application is not limited to the above preferred embodiments. The technical solutions in the above preferred embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present application, and any changes, equivalents, improvements, etc. made within the technical concept and/or technical principles of the present application will fall within the protection scope of the present application.

Claims

1. The utility model provides a concrete crash barrier is with cast-in-place template structure which characterized in that includes:

the system comprises a vertical template and an inclined template which are oppositely arranged, wherein the vertical template and the inclined template are respectively supported by a bottom plate of a road, and a pouring cavity is enclosed between the vertical template and the inclined template;

the vertical screws used in pairs are respectively arranged on one sides, away from the pouring cavity, of the vertical template and the inclined template, and the lower ends of the screws can penetrate into positioning holes formed in the bottom plate;

the outer supporting rod comprises a rotating sleeve which is arranged at a screw rod on the outer side of the inclined template through threads, the outer wall surface of the rotating sleeve is fixed with one end of a first threaded sleeve, the axis of the first threaded sleeve is horizontal, an ejector rod is arranged in the first threaded sleeve through threads, and the ejector rod penetrates out of the other end of the first threaded sleeve;

the axle sleeve, the axle sleeve coaxial sleeve is established the ejector pin is kept away from the one end of first thread bush, the other end and the first supporting seat of axle sleeve are fixed, first supporting seat is articulated with the second supporting seat, the articulated axis of first supporting seat and second supporting seat is perpendicular the axis of ejector pin, the second supporting seat has the butt face of parallel self articulated axis, with the contact of inclined template face.

2. The cast-in-place formwork structure for the concrete crash barrier as claimed in claim 1, wherein the inclined formwork comprises a vertical plate part parallel to the vertical formwork, the lower end of the vertical plate part is connected with a multi-section bending plate, and the multi-section bending plate is bent from top to bottom in sequence towards a direction far away from the vertical formwork.

3. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 2, wherein the number of the outer brace rods is plural, and the second supporting seats of the plural outer brace rods are respectively pressed against the outer side surfaces of the inclined formworks.

4. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 3, wherein each of the vertical plate portion and the multi-sectional bent plate of the vertical formwork is supported by the outer brace, respectively.

5. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 2, further comprising an inner stay bar with adjustable length, wherein two ends of the inner stay bar are respectively pressed on the inner side surfaces of the vertical formwork and the plate conveying part.

6. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 5, wherein the inner side surfaces of the vertical formwork and the vertical plate portion are respectively provided with a groove for receiving an end portion of the inner brace to restrict the inner brace from moving downward relative to the vertical formwork.

7. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 6, wherein the inner supporting rod comprises a second threaded sleeve, the second threaded sleeve is provided with a coaxial outer extending rod, the second threaded sleeve and the outer extending rod are connected through a thread, and the end portions of the second threaded sleeve and the outer extending rod are respectively provided with a tightening seat for being embedded into the corresponding grooves.

8. The cast-in-place formwork structure for the concrete crash barrier according to claim 1, wherein the number of the screw rods is a plurality of pairs, and the plurality of pairs of screw rods are sequentially arranged along the extending direction of the crash barrier.

9. The cast-in-place formwork structure for the concrete crash barrier as recited in claim 1 or 8, wherein a turn buckle is connected between the paired screws, and both ends of the turn buckle are respectively clamped at the two screws.