CN217703948U - Inner die assembly and system for small-diameter cylindrical structure - Google Patents

Abstract

The application relates to the field of reinforced concrete construction, in particular to an internal mold assembly and a system for a small-diameter cylindrical structure. The internal mold component of the small-diameter cylindrical structure comprises: the combined template comprises a detachable template and two lateral templates, one ends of the two lateral templates are connected, the detachable template is arranged between the other ends of the two lateral templates, and the two lateral templates are rotatably connected with the detachable template through a connecting rod mechanism; and the driving mechanism is positioned between the two lateral templates and is connected with the opening template and used for driving the opening template to move so that the opening template and the two lateral templates form a cylindrical structure together or the opening template and the two lateral templates are separated to generate a demoulding gap. The embodiment of the application provides an internal mold assembly and a system for a small-diameter cylindrical structure, and aims to solve the problem that a prefabricated small-diameter hollow cylindrical pier in the related art is difficult to demold.

Description

Small-diameter cylindrical structure internal mold assembly and system

Technical Field

The application relates to the field of reinforced concrete construction, in particular to an internal mold assembly and system for a small-diameter cylindrical structure.

Background

In remote areas with underdeveloped traffic, cast-in-place construction and maintenance operation of concrete engineering are very difficult due to special natural climate and geographical environment, and the engineering quality is not easy to ensure. In order to solve the problems, bridge design engineers design piers into prefabricated assembled structures, and site construction is changed into factory prefabrication, so that the difficulties can be avoided, and the construction quality is ensured; and the construction progress can be accelerated.

If the prefabricated hollow cylindrical pier is needed to be used in a prefabricated bridge pier of a certain bridge, the prefabricated hollow cylindrical pier with the small diameter is difficult to demould because the inner cavity of the hollow cylinder is small in size and the operation space is limited.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an internal mold assembly and a system for a small-diameter cylindrical structure, and aims to solve the problem that a prefabricated small-diameter hollow cylindrical pier in the related art is difficult to demold.

In a first aspect, there is provided an inner mold assembly of a small diameter cylindrical structure, comprising:

the combined template comprises a detachable template and two lateral templates, one ends of the two lateral templates are connected, the detachable template is arranged between the other ends of the two lateral templates, and the two lateral templates are rotatably connected with the detachable template through a connecting rod mechanism;

and the driving mechanism is positioned between the two lateral templates and is connected with the opening template and used for driving the opening template to move so that the opening template and the two lateral templates form a cylindrical structure together or the opening template and the two lateral templates are separated to generate a demoulding gap.

In some embodiments, two ends of the opening and closing template are respectively provided with a first inclined surface, and one end of each of the two lateral templates, which is close to the opening and closing template, is provided with a second inclined surface matched with the first inclined surface.

In some embodiments, the ends of the two lateral formworks far away from the opening formwork are connected with a base formwork, and the driving mechanism is installed on the base formwork.

In some embodiments, the lateral template is hinged to the base template.

In some embodiments, the drive mechanism comprises:

the base is arranged on the base template;

one end of the push rod penetrates through the connecting rod mechanism to be connected with the disassembling and assembling template, and the other end of the push rod is connected with the base;

and the motor is arranged on the base and is used for driving the push rod to stretch and retract so as to separate the opening and closing template from the lateral template and generate a demoulding gap.

In some embodiments, the push rod comprises an accommodating section and a movable section movably arranged in the accommodating section, and the movable section is connected with the motor.

In some embodiments, the linkage mechanism comprises a primary link connected to the opening and closing template and two secondary links rotatably connected to the two lateral templates, respectively;

the push rod penetrates through the main connecting rod to be connected with the disassembling and assembling template and drives the disassembling and assembling template to drive the connecting rod mechanism to move.

In some embodiments, the secondary link is hingedly connected to the lateral template.

In some embodiments, the link mechanism includes a mounting block and two secondary links, the mounting block is fixedly connected to the bottom of the opening and closing template, one end of each secondary link is connected to the mounting block, and the other end of each secondary link is respectively mounted on the two lateral templates.

In another aspect, there is provided a small diameter cylindrical structure internal mold system, comprising:

n small diameter cylindrical structural inner die assemblies according to any one of claims 1 to 9;

the connecting rods are respectively connected with two adjacent small-diameter cylindrical structure internal mold assemblies, n is greater than or equal to 2, and n is an integer.

The technical scheme who provides this application brings beneficial effect includes:

the embodiment of the application provides a small-diameter cylindrical structure internal mold assembly and a system, because the combined template is manufactured in sections, the combined template comprises three template sections, namely a detachable template and two lateral templates which jointly form a cylindrical support structure of the inner wall of a cylindrical pier, a connecting rod mechanism is connected between the detachable template and the two lateral templates, and a driving mechanism is connected with the detachable template;

when the driving mechanism is not in a running state, the disassembling template and the two lateral templates form a complete cylinder together to support the inner wall of the cylindrical pier; when the driving mechanism is in an operating state, the driving mechanism drives the opening and closing template to descend to be separated from the lateral template and the inner wall of the cylindrical pier, the cylindrical shape has a notch, the lateral template moves towards the direction with the notch, and a demoulding gap is generated, so that the problem that the prefabricated small-diameter hollow cylindrical pier is difficult to demould in the related technology can be solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cross section of an internal mold assembly with a small-diameter cylindrical structure in an operating state according to an embodiment of the present application;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is a schematic structural view of a cross section of an inner mold assembly in a demolding state in a small-diameter cylindrical structure provided by an embodiment of the application;

FIG. 5 is an enlarged view at C of FIG. 4;

fig. 6 is a schematic installation diagram of an internal mold system of a small-diameter cylindrical structure provided in an embodiment of the present application;

fig. 7 is an enlarged view of section b of fig. 6.

In the figure: 1. cylindrical piers; 2. disassembling and assembling the template; 21. a first inclined surface; 3. a lateral template; 31. a second inclined surface; 4. a base template; 5. a link mechanism; 51. a main link; 52. a secondary connecting rod; 6. a drive mechanism; 61. a push rod; 611. an active segment; 612. an accommodating section; 62. a motor; 63. a base; 7. a demolding gap; 8. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

The embodiment of the application provides an internal mold assembly and a system for a small-diameter cylindrical structure, which can solve the problem that a small-diameter hollow cylindrical pier prefabricated and finished in the related art is difficult to demold.

Referring to fig. 1 to 5, the present application provides an internal mold assembly of a small-diameter cylindrical structure, which includes a composite mold plate and a driving mechanism 6 for driving the composite mold plate. The combined template comprises a detachable template 2 and two lateral templates 3, one ends of the two lateral templates 3 are connected, the right detachable template 2 is connected between the other ends of the two lateral templates 3, a connecting rod mechanism 5 is connected between the lateral templates 3 and the detachable template 2, and when the driving mechanism 6 drives the detachable template 2 to move, the connecting rod mechanism 5 can drive the lateral templates 3 to move together;

the driving mechanism 6 is located between the two lateral formworks 3, and the driving mechanism 6 is connected with the opening formworks 2 and is used for driving the opening formworks 2 to move so that the opening formworks 2 and the two lateral formworks 3 form a cylindrical structure together, namely an inner mold of a cylindrical pier, or driving the opening formworks 2 to move so that the opening formworks 2 and the two lateral formworks 3 are separated to generate the demolding gap 7 shown in fig. 4 and 5.

The embodiment of the application provides an internal mold assembly of a small-diameter cylindrical structure, and the internal mold assembly comprises three template sections, namely a detachable template 2 and two lateral templates 3 which jointly form a cylindrical support structure of the inner wall of a cylindrical pier, a connecting rod mechanism 5 is connected between the detachable template 2 and the two lateral templates 3, and a driving mechanism 6 is connected with the detachable template 2;

when the driving mechanism 6 is not in a running state, the disassembling and assembling template 2 and the two lateral templates 3 form a complete cylinder together to support the inner wall of the cylindrical pier; when the driving mechanism 6 is in a running state, the driving mechanism 6 drives the opening and closing template 2 to descend to be separated from the lateral template 3 and the inner wall of the cylindrical pier, the cylindrical shape is provided with a notch, the lateral template 3 moves towards the direction with the notch, and a demoulding gap is generated, so that the problem that the prefabricated small-diameter hollow cylindrical pier is difficult to demould in the related technology can be solved.

In some alternative embodiments, see fig. 1, the knock-out form 2 is located at the top end of the inner wall of the cylindrical pier 1, in particular because the top end is more evenly and simply stressed, such as the downward pressure of the inner wall of the poured cylindrical pier 1 on the knock-out form 2 and the pressure of the lateral forms 3 on both sides. Of course, this is only one example, and the knock-out form 2 may be located on the side or at other locations.

In some alternative embodiments, as shown in fig. 1 to 5, the two ends of the opening template 2 are respectively provided with a first inclined surface 21, and the end of the lateral template 3, which is connected to the opening template 2, is provided with a second inclined surface 31 matched with the first inclined surface, as shown in fig. 5, and fig. 5 shows a state when the opening template 2 is separated from the lateral template 3, it can be seen that the first inclined surface 21 of the opening template 2 can help to separate the opening template 2 from the lateral template 3:

specifically, the top surface of the collapsible form 2 is regarded as a straight line, and the top surface thereof, together with the first inclined surfaces 21 on both sides, forms an upright trapezoid lacking a bottom surface. When the opening and closing template 2 is connected with the lateral templates 3, the driving mechanism 6 supports the opening and closing template 2 to form a complete cylinder with the two lateral templates 3, and the first inclined surface 21 is matched with the second inclined surface 31 to support the lateral templates 3; when the driving mechanism 6 drives the stripping template 2 to descend, the lateral template 3 loses support due to the second inclined surface 31 covering the first inclined surface 21, and the stripping template 2 moves downwards, so that the stripping template has more buffering safety compared with an embodiment without the inclined surface.

In some alternative embodiments, referring to fig. 1 to 4, the small diameter cylindrical structural inner die assembly further comprises a base die plate 4, specifically, the base die plate 4 is connected between the two lateral die plates 3 and located below the inner wall of the cylindrical pier 1, and a driving mechanism 6 is mounted on the base die plate 4 to provide a supporting force for the driving mechanism 6 to support the top split die plate 2.

Specifically, the lateral formwork 3 is hinged to the base formwork 4, and when the opening and closing formwork 2 is separated from the lateral formwork 3, the lateral formwork 3 loses support and moves towards the center of the inner wall of the cylindrical pier 1, and the lateral formwork 3 moves relative to the hinged position of the base formwork 4.

In some alternative embodiments, referring to fig. 1, the driving mechanism 6 includes a push rod 61, a motor 62 and a base 63, wherein the base 63 is mounted on the base template 4, preferably, as shown in fig. 1, the base 63 is in a circular truncated cone shape and can adapt to the pressure of the driving mechanism 6, one end of the push rod 61 passes through the link mechanism 5 to be connected with the detaching template 2, the other end is connected with the base 63, the push rod 61 is connected with the motor 62, and the motor 62 can be mounted on the base 63 for driving the push rod 61 to extend and retract so as to separate the detaching template 2 from the lateral template 3, thereby generating the demolding gap 7.

In some alternative embodiments, referring to fig. 1 and 4, the push rod 61 has two sections, namely, a receiving section 612 and an active section 611, the active section 611 is connected to the motor 62, and the motor 62 drives the active section 611 to move up and down in the receiving section 612. Specifically, as shown in fig. 1, 4 and 5, the movable section 611 is connected to the opening template 2, or alternatively, the accommodating section 612 is connected to the opening template 2.

In some alternative embodiments, as shown in fig. 2 and 5, the linkage 5 comprises a main link connected to the opening template 2 and two secondary links 52 rotatably connected to the two lateral templates 3, and in particular, a push rod 61 of the driving mechanism 6 passes through the main link and is connected to the opening template 2 and driven by a motor 62 to pull the opening template 2 down and move the linkage 5 connected to the opening template 2, thereby moving the lateral templates 3.

Moreover, the two secondary connecting rods 52 can also support the lateral formworks 3 at the two sides, so as to prevent the lateral formworks 3 at the two sides from falling to the center.

Preferably, the secondary link 52 is hinged to the lateral formwork 3, as shown in particular in fig. 2 and 5, and fig. 2 to 5 are views of the variation before and after the detachment of the collapsible formwork 2 from the lateral formwork 3, the hinged relationship enabling the transition of the secondary link 52 from the condition of fig. 2 to that of fig. 5.

In some alternative embodiments, referring to fig. 2 and 4, the link mechanism 5 includes a mounting block 51 and two secondary links 52, the mounting block 51 is fixedly connected to the bottom of the collapsible form 2, one end of each of the two secondary links 52 is connected to the mounting block 51, the other end is respectively mounted on the two lateral forms 3, and specifically, the secondary links 52 are hinged to both the lateral forms 3 and the mounting blocks 51.

The application also provides a small-diameter cylindrical structure internal mold system, which is shown in fig. 6 and 7 and comprises n small-diameter cylindrical structure internal mold assemblies as described above and n-1 connecting rods 8, wherein n is an integer greater than or equal to 2, and the connecting rods 8 are respectively connected with two adjacent small-diameter cylindrical structure internal mold assemblies;

taking fig. 6 as an example, the segment a in fig. 6 is an adjusting segment, that is, the length of the segment a is adjusted according to actual needs; the section b is a standard section, and the length is generally quantitative; the section c is a variable cross-section. If a prefabricated bridge pier of a certain bridge is designed to be a cylindrical pier with the pier height smaller than 15m, when the pier height is smaller than 12m, the outer diameter of the pier column is 1.8m, the wall thickness is 0.4m, the inner diameter of the pier column is only 1m, and the whole pier body is prefabricated (i.e. not segmented); when the height of the pier is larger than 12m and smaller than 15m, the outer diameter of the pier column is 2m, the wall thickness is 0.4m, the pier body is prefabricated in two sections, the bottom section is a standard section with the length of 7m, and the length of the adjusting section of the top section is adjusted according to the height of the pier.

Taking fig. 7 as an example, fig. 7 is an enlarged view of a standard segment, and the interior of the mold comprises three small-diameter cylindrical inner mold assemblies arranged side by side and two connecting rods 8, two connecting rods 8 are connected respectively on two adjacent small diameter cylindrical structure internal mold assemblies, specifically, connecting rod 8 is connected on two adjacent push rods 61.

In some alternative embodiments, referring to fig. 7, the internal mold system of the small-diameter cylindrical structure of the same segment uses one motor 62, and the motor 62 synchronously controls all the push rods 61 of the segment, so that the split mold plate 2 of the segment is synchronously lowered to generate the mold release gap.

In some optional embodiments, the motor 62 is connected with a control system, the control system includes a plurality of sections of control lines and an electric control cabinet, wherein the control lines of the templates of each section are directly fixed on the corresponding templates, and preferably, the templates of each section are connected with each other through an aviation plug for quick connection; the control system can realize the die assembly and the die release of each section of template and can also realize one-key control of integral die assembly and die release of a plurality of sections of templates; the electric control cabinet needs to be arranged into a movable structure, can move at a plurality of positions, and facilitates assembling and demolding of the template.

Specifically, each template is connected with the electric control cabinet through a cable, and the extending part of the cable needs to be protected by a corrugated pipe and fixed in place by a binding belt.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An internal mold assembly of small diameter cylindrical structure, comprising:

the combined template comprises a detachable template (2) and two lateral templates (3), one ends of the two lateral templates (3) are connected, the detachable template (2) is arranged between the other ends of the two lateral templates, and the two lateral templates (3) are rotatably connected with the detachable template (2) through a connecting rod mechanism (5);

the driving mechanism (6) is positioned between the two lateral formworks (3), and the driving mechanism (6) is connected with the opening formwork (2) and is used for driving the opening formwork (2) to move so that the opening formwork (2) and the two lateral formworks (3) jointly form a cylindrical structure or the opening formwork (2) is separated from the two lateral formworks (3) to generate a demoulding gap (7).

2. The small diameter cylindrical structural inner die assembly of claim 1, wherein:

the two ends of the folding template (2) are respectively provided with a first inclined plane (21), and the end of the lateral template (3) close to the folding template (2) is provided with a second inclined plane (32) matched with the first inclined plane (21).

3. The small diameter cylindrical structural inner die assembly of claim 1, wherein:

one end, far away from the opening and closing template (2), of each of the two lateral templates (3) is connected with a base template (4), and a driving mechanism (6) is installed on the base template (4).

4. The small diameter cylindrical structural inner die assembly of claim 3, wherein:

the lateral template (3) is hinged with the base template (4).

5. The internal mold assembly of a small diameter cylindrical structure according to claim 3, characterized in that the driving mechanism (6) comprises:

a base (63), the base (63) being mounted on a base template (4);

one end of the push rod (61) penetrates through the connecting rod mechanism (5) to be connected with the disassembling and assembling template (2), and the other end of the push rod (61) is connected with the base (63);

the motor (62) is installed on the base (63) and used for driving the push rod (61) to stretch and retract so as to separate the opening template (2) from the lateral template (3) and generate a demoulding gap (7).

6. The internal mold assembly of small diameter cylindrical structure of claim 5, wherein:

the push rod (61) comprises a containing section (612) and a movable section (611) movably arranged in the containing section (612), and the movable section (611) is connected with the motor (62).

7. The small diameter cylindrical structural inner die assembly of claim 5, wherein:

the connecting rod mechanism (5) comprises a main connecting rod connected with the opening and closing template (2) and two secondary connecting rods (52) respectively connected with the two lateral templates (3) in a rotating way;

the push rod (61) penetrates through the main connecting rod to be connected with the folding template (2) and drives the folding template (2) to drive the connecting rod mechanism (5) to move.

8. The small diameter cylindrical structural inner die assembly of claim 7, wherein:

the secondary connecting rod (52) is hinged with the lateral template (3).

9. The small diameter cylindrical structural inner die assembly of claim 1, wherein:

the connecting rod mechanism (5) comprises an installation block (51) and two secondary connecting rods (52), the installation block (51) is fixedly connected to the bottom of the opening and closing template (2), one ends of the two secondary connecting rods (52) are connected to the installation block (51), and the other ends of the two secondary connecting rods are respectively installed on the two lateral templates (3).

10. An internal mold system of a small-diameter cylindrical structure, comprising:

n small diameter cylindrical structural inner die assemblies according to any one of claims 1 to 9;

n-1 connecting rods (8), wherein the connecting rods (8) are respectively connected with two adjacent small-diameter cylindrical structure internal mold assemblies, n is greater than or equal to 2, and n is an integer.

Images