Auxiliary device for inspecting reinforcing steel bar protective layer at any height of stand column before pouring

Abstract

The utility model provides an auxiliary device for inspecting a reinforcing steel bar protective layer at any height of a stand column before pouring, which comprises a support rod and two transparent templates which can be butted together, the size of the inner circumference formed by the two transparent templates is the same as that of the outer circumference of the stand column to be poured, and measuring holes are uniformly arranged on the transparent templates. A bottom plate is arranged along the periphery of the bottom end of the transparent template; the supporting rod comprises a threaded rod, and a clamping hoop is arranged at one end of the threaded rod. The supporting rods are evenly arranged on the periphery of a reinforcement cage frame to be poured and connected with outer side reinforcing steel bars through the hoops, the two transparent formworks are placed above the circle of supporting rods, and the limiting nuts abut against the edge of the bottom plate. According to the utility model, a real stand column external mold can be simulated at any height, and a worker can measure the distance between the reinforcement cage frame and the transparent template at any height outside the reinforcement cage frame, so that the thickness of a reinforcement protective layer can be conveniently inspected and controlled before the stand column template is installed, and the acceptance efficiency of the reinforcement cage frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction tools, and more specifically to an auxiliary device for inspecting a steel bar protective layer of any height of a column before pouring. Background Art

[0002] The steel bar protection layer refers to the distance from the outer edge of the outermost steel bar to the concrete surface. The steel bar protection layer protects the steel cage from rust and provides bonding and anchoring, ensuring the durability and safety of concrete components. The thickness of the steel bar protection layer is very important to the durability and safety of the concrete structure, but thickness control has always been the focus and difficulty in the construction process.

[0003] At present, the method for inspecting and controlling the thickness of the steel bar protective layer before pouring bridge columns is mainly to install the column formwork, and then the inspectors climb into the steel cage and use a tape measure to measure the distance from the outer edge of the steel cage to the formwork. It is time-consuming and laborious for the inspectors to climb the column outer formwork and the inner steel cage. They also need to climb up and down in the steel cage and inspect at different heights, which is not only tiring but also unsafe. If the protective layer thickness requirements cannot be met after inspection, it will be time-consuming and laborious to adjust the steel bars because the internal space of the steel cage is small and the outside surrounds the column formwork. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide an auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring. The device adopts a transparent template and can be temporarily installed at any position outside the steel cage to simulate the real column outer mold. Workers can measure the distance between the steel cage and the transparent template at any height on the outside of the steel cage, which is convenient for inspecting and controlling the thickness of the steel bar protective layer before installing the column template, thereby improving the acceptance efficiency of the steel cage and ensuring safe construction.

[0005] The utility model provides an auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring, comprising a supporting rod and two transparent templates that can be butted together, the inner circumference formed by the two transparent templates being the same size as the outer circumference of the column to be poured, measuring holes are evenly arranged on the transparent templates, and a bottom plate is arranged along the outer circumference of the bottom end of the transparent template; the supporting rod comprises a threaded rod, a clamp is arranged at one end of the threaded rod, and a limiting nut is screwed on the threaded rod; the supporting rod is evenly arranged on the outer circumference of the steel bar cage to be poured, and is connected to the outer steel bars of the steel bar cage through the clamp, the two transparent templates are placed above a circle of supporting rods, and are arranged on the outer circumference of the column to be poured, and the limiting nut is against the edge of the bottom plate.

[0006] An optional solution is that the diameter of the threaded rod is M15-M20.

[0007] Among them, an optional solution is that the clamp includes two arc-shaped clamps, ear plates are provided on both straight sides of the arc-shaped clamps, connecting holes are provided on the ear plates, the two arc-shaped clamps are connected by bolts and nuts passing through corresponding connecting holes, the angle of the arc-shaped clamps is less than 180 degrees, and the inner diameter of the arc-shaped clamps is equal to the diameter of the outer steel bar; the center of the outer wall of one of the arc-shaped clamps is connected to the end of the threaded rod, and is clamped with the other arc-shaped clamp to the outer periphery of the outer steel bar.

[0008] Among them, an optional solution is that a mounting plate is provided on both vertical edges of the transparent template, the mounting plate is equal in length to the vertical edge, mounting holes are evenly provided on the mounting plate, and the corresponding mounting holes of the two transparent templates are aligned and installed by bolts and nuts.

[0009] An optional solution is to provide a level on the base plate.

[0010] Among them, an optional solution is that the measuring hole includes a first groove arranged along the transverse direction of the transparent template at every set height, the first groove includes two horizontal grooves, there is a spacing between the opposite ends of the two horizontal grooves, and there is a spacing between the ends of the horizontal grooves facing the edge of the transparent template and the edge of the transparent template; a horizontal middle groove is arranged between the upper and lower adjacent first grooves, and the middle groove is located in the middle of the transparent template.

[0011] Among them, an optional solution is that the transparent template is semicircular.

[0012] An optional solution is that the inner circumference formed by the two transparent templates is a square.

[0013] Among them, an optional solution is that the height of the transparent template is 1m-1.5m.

[0014] Among them, an optional solution is that the transparent template is an acrylic plate.

[0015] The auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring according to the utility model adopts a transparent template with the same inner diameter as the column template, which is temporarily installed at any height outside the steel bar cage. The distance between the steel bar cage and the transparent template is measured through the measuring hole of the transparent template to obtain the thickness of the steel bar protective layer formed after pouring. If the distance is unqualified, the steel bar cage can be easily adjusted to complete the acceptance of the steel bar cage and the thickness control of the steel bar protective layer. The utility model is easy and stable to install, simulates the real column outer mold, and realizes that the inspector does not need to enter the steel bar cage. The thickness of the steel bar protective layer in any height range can be inspected outside the steel bar cage, which improves the inspection efficiency and flexibility of the thickness of the steel bar protective layer before pouring, shortens the construction period, and ensures construction safety.

[0016] In order to achieve the above and related purposes, one or more aspects of the present invention include features that will be described in detail below and particularly pointed out in the claims. The following description and the accompanying drawings describe in detail certain exemplary aspects of the present invention. However, these aspects indicate only some of the various ways in which the principles of the present invention can be used. In addition, the present invention is intended to include all of these aspects and their equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other purposes and results of the present invention will become more clear and easy to understand. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of an auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring according to Embodiment 1 of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a transparent template according to Embodiment 1 of the utility model;

[0020] Figure 3 It is a structural schematic diagram of a support rod according to Embodiment 1 of the utility model;

[0021] Figure 4 It is a top view of the support rod according to Embodiment 1 of the utility model;

[0022] Figure 5 It is a structural schematic diagram of a transparent template according to Embodiment 2 of the present utility model;

[0023] Figure 6 It is a structural schematic diagram of a cylindrical steel cage frame according to the prior art;

[0024] Among them, 1-support rod, 11-clamp, 111-arc splint, 112-ear plate, 113-connecting hole, 12-limit nut, 13-threaded rod, 2-transparent template, 3-measuring hole, 31-horizontal groove, 32-middle groove, 4-bottom plate, 5-mounting plate, 51-mounting hole, 6-level meter, 7-cylindrical steel cage.

[0025] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0026] In the following description, for the purpose of illustration, in order to provide a comprehensive understanding of one or more embodiments, many specific details are set forth. However, it is apparent that these embodiments may also be implemented without these specific details. In other examples, for ease of describing one or more embodiments, known structures and devices are shown in the form of block diagrams.

[0027] The present invention can be subjected to various changes and can have various embodiments, and specific embodiments are illustrated and described in the accompanying drawings. However, the present invention is not limited to the specific implementation, and all changes, equivalents and substitutes falling within the concept and technical scope of the present invention are included, and should be understood to be included.

[0028] Ordinal terms such as first, second, etc. may be used to describe various components, but the components are not limited to the terms. The terms are only used to distinguish one component from another component. For example, without departing from the scope of the claims of the present invention, the second component may be named as the first component, and similarly, the first component may be named as the second component. The terms and / or include a combination of multiple items recorded in association or a certain item among multiple items recorded in association.

[0029] It should be understood that when a certain component is mentioned to be "connected" or "contacted" with other components, this includes not only the case where it is directly connected or contacted with other components, but also the case where other components exist in between. Conversely, when a certain component is mentioned to be "directly connected" or "directly contacted" with other components, it should be understood that there are no other components in between.

[0030] In the description of the embodiments, when it is described that a certain component is formed "on or under" another component, on or under includes two components directly contacting each other or at least one other component is arranged and formed between the two components. Moreover, when it is expressed as on or under, it refers to not only the upper direction but also the lower direction based on a certain component.

[0031] The terms used in this application are only used to illustrate specific embodiments and are not intended to limit the present invention. Unless the context clearly stipulates otherwise, singular expressions include plural expressions. In this application, it should be understood that terms such as "including" or "having" are used to specify the presence of features, numbers, steps, operations, constituent elements, parts or combinations thereof recorded in the specification, and do not preclude the presence or additional possibility of one or more other features, numbers, steps, operations, constituent elements, parts or combinations thereof.

[0032] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as those generally understood by those skilled in the art. Terms defined in commonly used dictionaries should be interpreted as having the same meaning as in the context of the relevant technology, and if not clearly defined in this application, they should not be interpreted as ideal or overly formal meanings.

[0033] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0034] like Figure 1-Figure 4 As shown together, the auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring proposed in this embodiment can be used for auxiliary inspection of the thickness of the steel bar protective layer of any height range of the bridge column before pouring, and it is convenient to adjust the steel bar cage according to the inspection result so that the thickness of the steel bar protective layer after solidification is accurate. By using this device for auxiliary inspection, the thickness of the steel bar protective layer can be adjusted in advance, avoiding the need to adjust the steel bar protective layer after installing the column outer mold. This device can also be used for auxiliary inspection of the thickness of the steel bar protective layer of other reinforced concrete structures before pouring.

[0035] The auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring may include a plurality of support rods 1 and two transparent templates 2 that can be connected together. The plurality of support rods 1 are used to be fixed on the outer steel bars of the steel cage and to hold up the two transparent templates 2. The two transparent templates 2 are used to simulate the real column outer mold to assist in inspecting the thickness of the steel bar protective layer to be formed.

[0036] For accurate inspection, the inner circumference formed by the two transparent templates 2 is the same size as the outer circumference of the column to be cast, measuring holes 3 are evenly arranged on the transparent template 2, and a bottom plate 4 is arranged along the outer circumference of the bottom end of the transparent template 2. The bottom plate 4 facilitates the transparent template 2 to be stably placed on the support rod 1.

[0037] The support rod 1 includes a threaded rod 13, at one end of which a clamp 11 is provided. The clamp 11 facilitates the fixed connection between the support rod 1 and the outer steel bar. A limit nut 12 is screwed on the threaded rod 13, and the limit nut 12 blocks the edge of the base plate 4 to limit the movement of the base plate 4.

[0038] The support rods 1 are evenly arranged on the periphery of the steel cage to be cast, and are connected to the outer steel bars of the steel cage through the clamps 11. The support rods 1 of one circle are on the same horizontal plane. Two transparent templates 2 are placed above the support rods 1 of one circle. The support rods 1 of one circle hold up the two transparent templates 2. The horizontal positions of the two transparent templates 2 are adjusted so that the two transparent templates 2 are located on the periphery of the column to be cast, simulating the outer mold of the real column. Finally, each limit nut 12 is screwed to press against the edge of the bottom plate 4 together to limit the horizontal position of the two transparent templates 2. The limit nut 12 can press against the outer edge of the bottom plate 4.

[0039] Two identical transparent templates 2 are made according to the shape of the column, and the two transparent templates 2 are detachably connected.

[0040] When the two transparent templates 2 are butt-jointed, the inner circumference shape and size formed are the same as the shape and size of the inner circumference of the real column outer mold. The two transparent templates 2 can be set at any height outside the steel cage according to the detection needs. When set, the central axis formed by the two transparent templates 2 coincides with the central axis of the steel cage. The two transparent templates 2 simulate the column outer mold to assist in checking the thickness of the steel protection layer to be poured.

[0041] In order to ensure that the transparent formwork 2 is installed firmly and flexibly, a horizontal bottom plate 4 is set along the bottom edge of the transparent formwork 2. The bottom plates 4 of two transparent formworks 2 can be aligned together to form a chassis, which is placed on a circle of horizontal support rods 1 installed in advance on the outer steel bars. All the support rods 1 together stably support the two transparent formworks 2.

[0042] According to the detection needs, the two transparent templates 2 need to be set at the appropriate height of the steel cage. The support rod 1 around the circle should be installed at the required height, and then the two transparent templates 2 are placed and docked, and the two transparent templates 2 are moved so that the central axis of the transparent template 2 coincides with the central axis of the steel cage.

[0043] In a specific embodiment of the utility model, in order to make the transparent template 2 absolutely vertical, a level 6 can be set on the bottom plate 4, and the level 6 is used to observe whether the bottom plate 4 is horizontal. If it is not horizontal, the corresponding support rod 1 is adjusted to make the level 6 horizontal.

[0044] The number of the supporting rods 1 under each transparent template 2 is not less than two, and four are used in this embodiment, so as to stably support the transparent template 2 .

[0045] In a specific embodiment of the present invention, the diameter of the threaded rod 13 is M15-M20, and a thicker support rod 1 is helpful for stable support.

[0046] According to the detection needs, several measuring holes 3 can be set at the positions where measurement is required. Workers can insert the measuring ruler through the measuring holes 3 to detect the distance between the outer steel bars and the transparent template 2 to determine whether the distance meets the requirements of the steel bar protective layer thickness. The transparent template makes it easy to observe the scale of the measuring ruler.

[0047] Generally, the transparent template 2 needs to be set at a height of 1.2m-2m or higher on the steel cage. If the transparent template 2 is set too high, workers can stand on a scaffold or a lifting platform to measure. In order to ensure the stable installation of the transparent template 2, the height of the transparent template 2 can be 1m-1.5m.

[0048] In a specific embodiment of the utility model, the shape of the transparent template 2 is set according to the shape of the column. In the prior art, some columns are cylindrical columns, and the steel cage is a cylindrical steel cage 7 (such as Figure 6 As shown in the figure, the transparent template 2 is made of a semicircular plate, and two transparent templates 2 are butted to form a cylinder. The inner diameter of the cylinder is equal to the diameter of the column, and the length of the inner radius of the cylinder greater than the radius of the steel cage is the thickness of the steel protection layer. The semicircular transparent template 2 can be made of a transparent acrylic plate by bending, and the bottom plate 4 is a transparent acrylic semicircular ring plate. A 5mm thick acrylic plate can be used, and a single transparent template 2 weighs about 10kg, which can be easily assembled by one worker.

[0049] When the transparent template 2 is semicircular, the support rod 1 can be arranged toward the central axis of the cylindrical steel cage 7 .

[0050] In a specific embodiment of the utility model, in order to facilitate and firmly install the clamp 11, the clamp 11 may include two arc-shaped clamps 111, and ear plates 112 are provided on both straight sides of the arc-shaped clamp 111. A connecting hole 113 is provided on the ear plate 112. The two arc-shaped clamps 111 are connected by bolts and nuts passing through the corresponding connecting holes 113. The angle of the arc-shaped clamp 111 is less than 180 degrees, and the inner diameter of the arc-shaped clamp 111 is equal to the diameter of the outer steel bar. The center of the outer wall of one of the arc-shaped clamps 111 is connected to the end of the support rod 1, and is clamped to the outer periphery of the outer steel bar with the other arc-shaped clamp 111.

[0051] During installation, the arc clamping plate 111 connected to the support rod 1 is placed on the vertical outer steel bar, and is connected to another arc clamping plate 111 by bolts and nuts. Since the angle of the arc clamping plate 111 is less than 180 degrees, the two arc clamping plates 111 can hold the steel bar tightly. After the clamps 11 around the circle are installed, the two transparent templates 2 can be stably supported.

[0052] In a specific embodiment of the utility model, the two transparent templates 2 can be detachably connected in such a manner that mounting plates 5 are provided on both vertical edges of the transparent template 2, the mounting plates 5 are of equal length to the vertical edges, mounting holes 51 are evenly provided on the mounting plates 5, and the corresponding mounting holes 51 of the two transparent templates 2 are aligned and installed by bolts and nuts. The two transparent templates 2 are stably docked together through the mounting holes 51 on the mounting plates 5, which is convenient for connection and disassembly.

[0053] In a specific embodiment of the utility model, the measuring hole 3 may include a first groove arranged transversely along the transparent template 2 at every set height, the first groove includes two horizontal grooves 31, there is a spacing between the opposite ends of the two horizontal grooves 31, and there is a spacing between the ends of the horizontal grooves 31 facing the edge of the transparent template 2 and the edge of the transparent template 2; a horizontal middle groove 32 is arranged between the upper and lower adjacent first grooves, and the middle groove 32 is located in the middle of the transparent template 2.

[0054] The set height can be determined according to the detection requirements, and in this embodiment, it can be 20cm-50cm. The first groove is opened along the horizontal direction of the transparent template 2. In this embodiment, it is opened along the arc direction of the semicircular arc-shaped transparent template 2. The longer first groove can obtain more measurement points. In order to take into account the firmness of the transparent template 21 and the more measurement points, the first groove may include two horizontal grooves 31, the two horizontal grooves 31 are arranged side by side at the same height, and there is a spacing between the two horizontal grooves 31. The horizontal groove 31 has a smaller spacing with the edge of the transparent template 2. The groove that is almost the same length as the horizontal edge of the transparent template 2 is convenient for more accurate and comprehensive detection.

[0055] In order to facilitate more accurate and comprehensive detection, a horizontal middle groove 32 is provided between the upper and lower adjacent first grooves. The middle groove 32 can be equal in length and width to the horizontal groove 31 , and the middle groove 32 can be located in the middle of the width of the transparent template 2 .

[0056] The width of the horizontal groove 31 and the middle groove 32 can be placed into a measuring ruler, and can be about 3 cm.

[0057] By adopting the auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring, any height of the cylindrical steel bar cage can be easily inspected outside the steel bar cage, so that a steel bar protective layer that meets the requirements can be formed at one time after pouring.

[0058] Example 2

[0059] Figure 5 It is a structural schematic diagram of a transparent template according to Embodiment 2 of the present utility model;

[0060] like Figure 5 As shown, the auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring provided in this embodiment is based on the embodiment 1, and the shape of the transparent template 2 is set according to the shape of the column to be poured. Some columns are square columns, and the steel bar cage is a square column steel bar cage. Then the transparent template 2 is a U-shaped plate. The transparent template 2 may include a middle plate and side plates respectively located on both sides of the middle plate. Two transparent templates 2 are connected to form a square tube. The inner circumference size shape of the square tube is the same as the outer circumference size shape of the square column.

[0061] The U-shaped transparent template 2 can be made of a transparent acrylic plate by bending. The mounting plate 5 is arranged at the edges of the two side plates of the U-shaped transparent template 2, and mounting holes 51 are evenly arranged on the mounting plate 5. The bottom plate 4 can be a transparent acrylic U-shaped ring flat plate, which is arranged along the bottom end of the U-shaped transparent template 2, and the level 6 can be arranged on the bottom plate 4.

[0062] The clamps 11 of all the support rods 1 can be installed on the vertical outer steel bars of the square column steel cage, and the clamps 11 of all the support rods 1 can also be installed on the horizontal outer steel bars of the square column steel cage, which can ensure that all the support rods 1 are at the same level.

[0063] When the transparent template 2 is U-shaped, the support rod 1 can be arranged toward the inside of the steel cage, and two support rods 1 can be evenly arranged on each side of the steel cage, and the support rod 1 is perpendicular to the side of the steel cage where it is located.

[0064] The horizontal groove 31 of the measuring hole 32 may be opened at a right angle to the transparent template 21, and the middle groove 32 may be arranged on the middle plate.

[0065] By using the auxiliary device for inspecting the steel bar protective layer of any height of the column before pouring in the embodiment, the square column steel bar cage can be easily inspected outside the steel bar cage, and a steel bar protective layer that meets the requirements can be formed at one time after pouring.

[0066] As described above with reference to the accompanying drawings, the auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring according to the utility model is described by way of example. However, those skilled in the art should understand that various improvements can be made to the auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring proposed by the utility model without departing from the content of the utility model. Therefore, the protection scope of the utility model should be determined by the content of the attached claims.

Claims

1. An auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring, characterized in that: It includes a support rod and two transparent templates that can be connected together, wherein: The inner perimeter formed by the two transparent templates is the same size as the outer perimeter of the column to be cast, measuring holes are evenly arranged on the transparent template, and a bottom plate is arranged along the outer perimeter of the bottom end of the transparent template; The support rod comprises a threaded rod, a clamp is arranged at one end of the threaded rod, and a limit nut is screwed on the threaded rod; The support rods are evenly arranged on the periphery of the steel cage to be cast, and are connected to the outer steel bars of the steel cage through the clamps. The two transparent templates are placed above a circle of support rods and are arranged on the periphery of the columns to be cast, and the limit nuts are against the edge of the base plate.

2. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1 is characterized in that: The diameter of the threaded rod is M15-M20.

3. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The clamp comprises two arc-shaped clamping plates, both straight sides of the arc-shaped clamping plates are provided with ear plates, and the ear plates are provided with connecting holes, and the two arc-shaped clamping plates are connected by bolts and nuts passing through the corresponding connecting holes, the angle of the arc-shaped clamping plates is less than 180 degrees, and the inner diameter of the arc-shaped clamping plates is equal to the diameter of the outer steel bar; The center of the outer wall of one of the arc-shaped clamping plates is connected to the end of the threaded rod, and is clamped together with the other arc-shaped clamping plate on the outer periphery of the outer steel bar.

4. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: Mounting plates are provided on both vertical edges of the transparent template. The mounting plates are of equal length to the vertical edges. Mounting holes are evenly provided on the mounting plates. The corresponding mounting holes of the two transparent templates are aligned and mounted by bolts and nuts.

5. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: A level is arranged on the bottom plate.

6. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The measuring hole comprises a first groove arranged at a set height along the lateral direction of the transparent template, the first groove comprises two horizontal grooves, there is a distance between the opposite ends of the two horizontal grooves, and there is a distance between the end of the horizontal groove facing the edge of the transparent template and the edge of the transparent template; A horizontal middle groove is arranged between the upper and lower adjacent first grooves, and the middle groove is located in the middle of the transparent template.

7. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The transparent template is in a semicircular arc shape.

8. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The inner circumference formed by the two transparent templates is a square.

9. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The height of the transparent template is 1m-1.5m.

10. The auxiliary device for inspecting the steel bar protective layer of any height of a column before pouring as claimed in claim 1, characterized in that: The transparent template is an acrylic plate.

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