Guardrail steel bar protection layer positioning formwork

Abstract

The utility model belongs to the technical field of reinforced concrete structure construction, and particularly relates to a guardrail steel bar protective layer positioning formwork which comprises a concentric-square-shaped bottom frame. Two support rods; the upper positioning mechanism comprises two positioning frames, four first adjusting assemblies, four upper vertical columns, four lower vertical columns and a positioning transverse strip; and the lower positioning mechanism comprises two positioning cross rods, two second adjusting assemblies and a plurality of connecting cross beams. According to the utility model, the homocentric-square-shaped bottom frame is aligned with the datum line, and the positions of the positioning frame and the positioning cross rod are adjusted in advance, so that the verticality and the spacing of the guardrail steel bars can be controlled at high precision, the uniformity of the thickness of a steel bar protection layer is ensured, the protection performance and the structural stability of the guardrail are improved, and the production cost is reduced. Repeated adjustment and measurement are not needed, the operation is convenient and fast, the labor intensity is reduced, the construction efficiency is improved, the method is not influenced by the ability difference of constructors and subjective factors, and the control effect is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of reinforced concrete structure construction technology, specifically relating to a positioning formwork for the protective layer of guardrail reinforcement. Background Technology

[0002] Bridge railings are a crucial component of bridge engineering, playing a vital role in ensuring traffic safety and maintaining the overall structural stability of the bridge. Therefore, their construction quality is of paramount importance. Among the key indicators of railing quality is the thickness of the concrete cover for the reinforcing steel bars. Furthermore, the verticality of the internal reinforcing steel bars and their spacing are the core factors ensuring that the concrete cover thickness meets design requirements.

[0003] In the traditional construction process of bridge deck guardrail reinforcement binding, the control of the verticality of the reinforcement and the spacing of the reinforcement mainly relies on the experience of the construction personnel and simple tools, such as visual inspection, adjustment with plumb bob and steel ruler.

[0004] However, the aforementioned positioning methods are not only difficult to guarantee in terms of accuracy and have low construction efficiency, but are also easily affected by differences in the abilities of construction personnel and subjective factors. In actual construction, problems such as excessive deviation in the verticality of the reinforcing bars and uneven spacing between reinforcing bars are prone to occur. This will directly affect the uniformity of the thickness of the reinforcing bar protective layer, thereby reducing the protective performance and structural stability of the guardrail. Utility Model Content

[0005] The purpose of this utility model is to provide a positioning formwork for the protective layer of guardrail reinforcement, which solves the technical problems of low control accuracy, low construction efficiency, and susceptibility to the influence of differences in the ability of construction personnel and subjective factors in the positioning method of guardrail internal reinforcement in the prior art.

[0006] This utility model discloses a positioning formwork for the protective layer of guardrail reinforcement, comprising:

[0007] A U-shaped bottom frame, horizontally arranged;

[0008] Two support rods are vertically installed at two adjacent corners on the top surface of the U-shaped bottom frame;

[0009] The upper positioning mechanism, located between the two support rods, includes:

[0010] Two positioning frames, arranged in a U-shape, are spaced vertically apart;

[0011] Four first adjustment components are respectively disposed between the positioning frame and the support rod, and are used to adjust the horizontal and vertical positions of the positioning frame;

[0012] Four vertical pillars are respectively located at the four corners of the bottom surface of the positioning frame mentioned above;

[0013] Four lower vertical columns are respectively located at the four corners of the top surface of the positioning frame below, and are vertically slidably connected to the adjacent upper vertical columns one by one.

[0014] A horizontal positioning bar is positioned on the side of the positioning frame above that is away from the bottom frame of the U-shape;

[0015] The lower positioning mechanism, located below the upper positioning mechanism, includes:

[0016] Two horizontal positioning bars are arranged horizontally.

[0017] Two second adjustment components are respectively disposed between the positioning crossbar and the support rod, and are used to adjust the horizontal and vertical positions of the positioning crossbar;

[0018] Several connecting beams are erected between the two positioning crossbars.

[0019] This application enables high-precision control of the verticality and spacing of the guardrail reinforcement, thereby ensuring the uniformity of the reinforcement protective layer thickness and improving the protective performance and structural stability of the guardrail. Moreover, it eliminates the need for repeated adjustments and measurements, making the operation convenient and quick, reducing labor intensity, improving construction efficiency, and unaffected by differences in the abilities of construction personnel or subjective factors, thus ensuring the control effect.

[0020] Based on the above technical solution, the solution of this application can be further improved as follows:

[0021] Preferably, it includes:

[0022] Two limiting beams are horizontally mounted between the two support rods and spaced vertically. The upper positioning mechanism and the lower positioning mechanism are both located between the two limiting beams. This design forms a frame structure, which increases the rigidity and stability of the entire positioning mold frame and also serves as a limiting mechanism, ensuring that the upper and lower positioning mechanisms are always within a reasonable working range.

[0023] Preferably, it includes:

[0024] Two sets of diagonal braces are installed one-to-one between the support rod and the U-shaped bottom frame. This scheme utilizes the principle of triangle stability to provide lateral support for the support rod, preventing it from tilting and swaying. It can also transfer part of the load of the support rod to the U-shaped bottom frame, making the load distribution of the formwork more uniform and reducing the burden on the support rod.

[0025] Preferably, the support rod is hinged to the U-shaped bottom frame, and the diagonal brace is detachably connected to the support rod and the U-shaped bottom frame. This design allows the formwork to be folded into a flat structure during transportation, which facilitates handling and loading / unloading. After arriving at the construction site, it can be quickly assembled, improving construction efficiency.

[0026] Preferably, one of the upper and lower vertical columns has a sliding groove on its side, and the other has a slider on its side. The slider and the sliding groove form a sliding fit to realize the vertical sliding connection between the upper and lower vertical columns. With this solution, the vertical sliding connection between the upper and lower vertical columns is realized, and the structure is stable and reliable, not prone to failure or loosening, thus ensuring the positioning effect.

[0027] Preferably, the first adjustment component includes:

[0028] The first sleeve is slidably fitted onto the support rod;

[0029] The first knob screw is installed on the outside of the first sleeve, and the screw can be screwed into the first sleeve and abut against the support rod;

[0030] The second sleeve is slidably sleeved on the positioning frame and located outside the first sleeve;

[0031] The second knob screw is installed on the outside of the second sleeve, and the screw can be screwed into the second sleeve to abut against the positioning frame. By adopting this solution, the position of the positioning frame can be precisely adjusted, ensuring precise control of the rebar positioning, improving construction quality, and also enabling operators to quickly and conveniently perform adjustment and fixing operations, reducing the technical threshold and difficulty of construction.

[0032] Preferably, the second adjustment component includes:

[0033] The third sleeve is slidably fitted onto the support rod;

[0034] The third knob screw is installed on the outside of the third sleeve, and the screw can be screwed into the third sleeve and abut against the support rod;

[0035] The fourth sleeve is slidably sleeved on the positioning crossbar and located outside the third sleeve;

[0036] The fourth knob screw is installed on the outside of the fourth sleeve, and the screw can be screwed into the fourth sleeve to abut against the positioning crossbar. This solution enables precise adjustment of the position of the positioning crossbar, ensures accurate control of the rebar positioning, improves construction quality, and allows operators to quickly and conveniently perform adjustment and fixing operations, reducing the technical threshold and difficulty of construction.

[0037] Preferably, it includes:

[0038] Four brake casters are installed at the four corners of the bottom surface of the U-shaped base frame. This design allows the formwork to be easily moved on the construction site, improving the flexibility and efficiency of construction. It can also be quickly fixed after reaching the designated position, ensuring the safety of construction and the accuracy of rebar positioning.

[0039] Through the above technical solution, this utility model achieves the following beneficial effects:

[0040] This application achieves high-precision control over the verticality and spacing of the guardrail reinforcement by aligning the bottom frame with the baseline and pre-adjusting the positions of the positioning frame and positioning crossbar. This ensures the uniformity of the reinforcement protective layer thickness, improves the protective performance and structural stability of the guardrail, and eliminates the need for repeated adjustments and measurements. The operation is convenient and quick, reduces labor intensity, improves construction efficiency, and is unaffected by differences in the abilities of construction personnel or subjective factors, thus ensuring the control effect. Attached Figure Description

[0041] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0042] Figure 1 This is a front view of the positioning formwork for the guardrail reinforcement protective layer according to a specific embodiment of this application;

[0043] Figure 2 for Figure 1 The diagram shows a front sectional view of the positioning formwork for the protective layer of the guardrail reinforcement.

[0044] Figure 3 for Figure 1 The right view of the positioning formwork for the protective layer of the guardrail reinforcement shown;

[0045] Figure 4 for Figure 2 Right view section at point AA;

[0046] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0047] Figure 6 for Figure 4 Enlarged view of point C in the middle;

[0048] Figure 7 for Figure 4 A schematic diagram of the sliding fit between the upper and lower vertical columns;

[0049] Figure 8 for Figure 1 The diagram shows the working principle of the positioning formwork for the guardrail reinforcement protective layer.

[0050] Explanation of reference numerals in the attached figures:

[0051] 1. U-shaped base frame; 2. Support rod; 3. Upper positioning mechanism; 4. Lower positioning mechanism; 5. Limiting crossbeam; 6. Diagonal brace; 7. Brake caster;

[0052] 31. Positioning frame; 32. First adjustment component; 33. Upper vertical column; 3a. Slide groove; 3b. Slider; 34. Lower vertical column; 35. Positioning crossbar; 41. Positioning crossbar; 42. Second adjustment component; 43. Connecting crossbeam;

[0053] 321. First sleeve; 322. First knob screw; 323. Second sleeve; 324. Second knob screw; 421. Third sleeve; 422. Third knob screw; 423. Fourth sleeve; 424. Fourth knob screw. Detailed Implementation

[0054] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0055] The terms “first” and “second” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as “first” or “second” may explicitly or implicitly include one or more of the stated features.

[0056] In this application, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0057] To better understand the above technical solutions, the following will provide a detailed description of the technical solutions in conjunction with the accompanying drawings and specific embodiments.

[0058] Example:

[0059] like Figure 1As shown in the embodiment of this application, a positioning formwork for the protective layer of guardrail reinforcement is disclosed, which is used to adjust the verticality and spacing of the guardrail reinforcement. It has the advantages of high control precision, high construction efficiency, and is not easily affected by differences in the ability of construction personnel and subjective factors. Its structure includes: a U-shaped bottom frame 1, two support rods 2, an upper positioning mechanism 3 and a lower positioning mechanism 4.

[0060] The U-shaped bottom frame 1 is horizontally arranged to provide an installation platform for other components, and its front side can be aligned with the baseline during use, thus enabling rapid positioning. Its U-shaped design also increases strength and stability, and achieves lightweighting.

[0061] Two support rods 2 are vertically installed at two adjacent corners on the top surface of the U-shaped bottom frame 1, respectively, to support and guide the positioning mechanism.

[0062] The upper positioning mechanism 3 is located between the two support rods 2 and is used to control the verticality of the upper part of the guardrail reinforcement and the spacing of the reinforcement bars. Specifically, it includes:

[0063] Two positioning frames 31 are arranged in a U-shape and spaced apart vertically. The U-shape design not only makes the structure stable, but also allows the front side to fit with the upper and lower ends of the vertical section of the guardrail steel bars, thereby positioning and controlling multiple steel bars at one time in the horizontal direction, which greatly improves the positioning efficiency.

[0064] Four first adjustment components 32 are respectively set between the positioning frame 31 and the support rod 2 to adjust the horizontal and vertical positions of the positioning frame 31 so that it matches the design position of the reinforcing bar, thereby adapting to different working conditions and improving the versatility and flexibility of the formwork.

[0065] Four upper vertical posts 33 are respectively set at the four corners of the bottom surface of the upper positioning frame 31. They are preferably square in shape and aligned with the positioning frame 31 so that they can fit with the vertical section of the guardrail steel bar and play a role in controlling the verticality.

[0066] Four lower vertical posts 34 are respectively located at the four corners of the top surface of the lower positioning frame 31. They are preferably square in shape and aligned with the positioning frame 31 so that they can fit with the vertical section of the guardrail steel bar and play a role in controlling the verticality.

[0067] The positioning bar 35 is horizontally positioned on the side of the upper positioning frame 31 away from the bottom frame 1, and is used to fit against the top surface of the guardrail steel bars, thereby controlling its height.

[0068] The upper vertical column 33 and the lower vertical column 34 are connected vertically and slide together, thus forming a stable rectangular frame structure together with the positioning frame 31. This increases the overall strength and stability, and allows the two positioning frames 31 to be adjusted synchronously in the horizontal direction, thereby improving the adjustment efficiency.

[0069] The lower positioning mechanism 4, located below the upper positioning mechanism 3, is used to control the spacing of the lower reinforcing bars of the guardrail, specifically including:

[0070] Two horizontal positioning bars 41 are arranged horizontally to fit into the inflection point at the bottom of the guardrail reinforcement.

[0071] Two second adjustment components 42 are respectively installed between the positioning crossbar 41 and the support rod 2 to adjust the horizontal and vertical positions of the positioning crossbar 41 so that it matches the design position of the reinforcing bar, thereby adapting to different working conditions and improving the versatility and flexibility of the formwork.

[0072] Several connecting beams 43 are installed between two positioning crossbars 41, which provide structural stability and enable the two positioning crossbars 41 to be adjusted synchronously, thereby improving the adjustment efficiency.

[0073] The above technical solution has the following technical effects:

[0074] By aligning the bottom frame 1 with the baseline and pre-adjusting the positions of the positioning frame 31 and the positioning crossbar 41, high-precision control can be achieved on the verticality and spacing of the guardrail reinforcement, thereby ensuring the uniformity of the reinforcement protective layer thickness and improving the protective performance and structural stability of the guardrail. Moreover, it eliminates the need for repeated adjustments and measurements, making the operation convenient and quick, reducing labor intensity, improving construction efficiency, and unaffected by differences in the abilities of construction personnel or subjective factors, thus ensuring the control effect.

[0075] In some embodiments, such as Figure 2 and Figure 3 As shown, it includes: two limiting beams 5, which are horizontally mounted between two support rods 2 and arranged vertically at intervals, and the upper positioning mechanism 3 and the lower positioning mechanism 4 are both located between the two limiting beams 5.

[0076] Through the above settings, the limiting beam 5 and the two support rods 2 together form a frame structure, thereby increasing the rigidity and stability of the entire positioning mold frame, and playing a limiting role to ensure that the upper positioning mechanism 3 and the lower positioning mechanism 4 are always within a reasonable working position range.

[0077] In some embodiments, such as Figure 2 As shown, it includes: two sets of diagonal bracing rods 6, which are respectively installed between the support rod 2 and the U-shaped bottom frame 1.

[0078] For example, each set of diagonal braces 6 has two members, which are arranged at intervals to improve the structural stability, but it is not limited to this and may have one or more members, without limitation.

[0079] With the above arrangement, the diagonal brace 6, the support rod 2, and the U-shaped bottom frame 1 form a triangle. By utilizing the principle of triangle stability, it provides lateral support for the support rod 2, preventing it from tilting and swaying. It also transfers part of the load of the support rod 2 to the U-shaped bottom frame 1, making the load of the formwork evenly distributed and reducing the burden on the support rod 2.

[0080] Based on the above embodiments, such as Figure 2 As shown, the support rod 2 is hinged to the U-shaped bottom frame 1, and the diagonal brace 6 is detachably connected to the support rod 2 and the U-shaped bottom frame 1.

[0081] For example, the inner side of the support rod 2 and the U-shaped bottom frame 1 is provided with a positioning post, and the end of the diagonal brace 6 is provided with a corresponding mounting hole; during installation, the end of the diagonal brace 6 is first sleeved on the positioning post through the mounting hole, and then a bolt is threaded onto the positioning post, so as to prevent the diagonal brace 6 from falling off the positioning post.

[0082] The above-mentioned design allows the formwork to be folded into a flat structure during transportation, making it easy to handle and unload. Once it arrives at the construction site, it can be quickly assembled, improving construction efficiency.

[0083] In some embodiments, such as Figure 7 As shown, one of the upper vertical column 33 and the lower vertical column 34 has a sliding groove 3a on its side, and the other has a slider 3b on its side. The slider 3b and the sliding groove 3a form a sliding fit to realize the vertical sliding connection between the upper vertical column 33 and the lower vertical column 34.

[0084] The above configuration enables a vertical sliding connection between the upper column 33 and the lower column 34, resulting in a stable and reliable structure that is less prone to malfunctions or loosening, thus ensuring the positioning effect.

[0085] In some embodiments, such as Figure 5 As shown, the first adjustment component 32 includes:

[0086] The first sleeve 321 is slidably sleeved on the support rod 2 and can slide freely in the axial direction of the support rod 2, providing a basis for adjusting the vertical position;

[0087] The first knob screw 322 is installed on the outside of the first sleeve 321, and the screw can be screwed into the first sleeve 321 and abut against the support rod 2, thereby fixing the first sleeve 321 to a specific position of the support rod 2 by friction. The knob design makes it convenient for construction personnel to perform the screwing operation without the need for additional tools.

[0088] The second sleeve 323 is slidably sleeved on the positioning frame 31 and located outside the first sleeve 321, so that the positioning frame 31 can slide horizontally relative to the first sleeve 321, providing a basis for adjusting the horizontal position.

[0089] The second knob screw 324 is installed on the outside of the second sleeve 323, and the screw can be screwed into the second sleeve 323 to abut against the positioning frame 31, thereby fixing the positioning frame 31 in a specific position by friction. The knob design is also convenient for manual operation.

[0090] Through the above design, the sliding distance of the first sleeve 321 on the support rod 2 and the sliding distance of the positioning frame 31 in the second sleeve 323 can be finely adjusted, so as to achieve precise adjustment of the position of the positioning frame 31, thereby ensuring precise control of the rebar positioning and improving the construction quality. Furthermore, the design of the first knob screw 322 and the second knob screw 324 allows operators to quickly and conveniently perform adjustment and fixing operations, reducing the technical threshold and difficulty of construction.

[0091] In some embodiments, such as Figure 6 As shown, the second adjustment component 42 includes:

[0092] The third sleeve 421 is slidably sleeved on the support rod 2 and can slide freely in the axial direction of the support rod 2, providing a basis for adjusting the vertical position;

[0093] The third knob screw 422 is installed on the outside of the third sleeve 421, and the screw can be screwed into the third sleeve 421 and abut against the support rod 2, thereby fixing the third sleeve 421 to a specific position of the support rod 2 by friction. The knob is convenient for construction personnel to perform screwing operations without the need for additional tools.

[0094] The fourth sleeve 423 is slidably sleeved on the positioning crossbar 41 and located outside the third sleeve 421, so that the positioning crossbar 41 can slide horizontally relative to the third sleeve 421, providing a basis for adjusting the horizontal position.

[0095] The fourth knob screw 424 is installed on the outside of the fourth sleeve 423, and the screw can be screwed into the fourth sleeve 423 to abut against the positioning crossbar 41, thereby fixing the positioning crossbar 41 in a specific position by friction. The knob design is also convenient for manual operation.

[0096] Through the above design, the sliding distance of the third sleeve 421 on the support rod 2 and the sliding distance of the positioning crossbar 41 in the fourth sleeve 423 can be finely adjusted, so as to achieve precise adjustment of the position of the positioning crossbar 41, thereby ensuring precise control of the rebar positioning and improving the construction quality. Furthermore, the design of the third knob screw 422 and the fourth knob screw 424 allows operators to quickly and conveniently perform adjustment and fixing operations without the need for manual adjustment, thus reducing the technical threshold and difficulty of construction.

[0097] In some embodiments, such as Figures 1-4As shown, it includes four brake casters 7, which are respectively installed at the four corners of the bottom surface of the U-shaped base frame 1. This distribution method ensures the stability of the entire mold frame in both moving and stationary states, and avoids tilting or shaking due to uneven force.

[0098] The above setup allows the formwork to be easily moved on the construction site, improving the flexibility and efficiency of construction. It can also be quickly fixed after reaching the designated position, ensuring the safety of construction and the accuracy of rebar positioning.

[0099] The above technical solutions, such as Figure 8 As shown, its usage is as follows:

[0100] First, the horizontal and vertical positions of the positioning frame 31 and the positioning crossbar 41 are pre-adjusted according to the design requirements of the guardrail.

[0101] Next, move the mold frame to the designated position and align the front side of the bottom frame 1 with the baseline to complete the calibration of the mold frame position.

[0102] Next, observe whether the top surface of the guardrail reinforcement bars can be aligned with the positioning horizontal bar 35. If so, it means that the design requirements have been met; otherwise, it needs to be adjusted accordingly.

[0103] Next, observe whether the upper and lower ends of the vertical section of the guardrail reinforcement are exactly in contact with the front side of the two positioning frames 31, and whether the vertical section is in contact with the two upper vertical posts 33 and lower vertical posts 34 located on the front side. If so, it means that the design requirements have been met; otherwise, it needs to be adjusted accordingly.

[0104] Finally, observe whether the inflection point of the inclined section of the guardrail reinforcement is exactly aligned with the front end of the positioning bar 35. If so, it means that the design requirements have been met; otherwise, it needs to be adjusted accordingly.

[0105] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0106] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0107] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A positioning formwork for the protective layer of guardrail reinforcement, characterized in that, include: A U-shaped bottom frame, horizontally arranged; Two support rods are vertically installed at two adjacent corners on the top surface of the U-shaped bottom frame; The upper positioning mechanism, located between the two support rods, includes: Two positioning frames, arranged in a U-shape, are spaced vertically apart; Four first adjustment components are respectively disposed between the positioning frame and the support rod, and are used to adjust the horizontal and vertical positions of the positioning frame; Four vertical pillars are respectively located at the four corners of the bottom surface of the positioning frame mentioned above; Four lower vertical columns are respectively located at the four corners of the top surface of the positioning frame below, and are vertically slidably connected to the adjacent upper vertical columns one by one. A horizontal positioning bar is positioned on the side of the positioning frame above that is away from the bottom frame of the U-shape; The lower positioning mechanism, located below the upper positioning mechanism, includes: Two horizontal positioning bars are arranged horizontally. Two second adjustment components are respectively disposed between the positioning crossbar and the support rod, and are used to adjust the horizontal and vertical positions of the positioning crossbar; Several connecting beams are erected between the two positioning crossbars.

2. The positioning formwork for the protective layer of guardrail reinforcement according to claim 1, characterized in that, include: Two limiting beams are horizontally mounted between the two support rods and arranged vertically at intervals, with both the upper positioning mechanism and the lower positioning mechanism located between the two limiting beams.

3. The positioning formwork for the protective layer of the guardrail reinforcement according to claim 1, characterized in that, include: Two sets of diagonal braces are installed one-to-one between the support rod and the U-shaped bottom frame.

4. The positioning formwork for the protective layer of the guardrail reinforcement according to claim 3, characterized in that, The support rod is hinged to the U-shaped bottom frame, and the diagonal brace is detachably connected to the support rod and the U-shaped bottom frame.

5. The positioning formwork for the protective layer of the guardrail reinforcement according to claim 1, characterized in that, One of the upper and lower vertical columns has a sliding groove on its side, and the other has a slider on its side. The slider and the sliding groove form a sliding fit to realize the vertical sliding connection between the upper and lower vertical columns.

6. The positioning formwork for the protective layer of the guardrail reinforcement according to claim 1, characterized in that, The first adjustment component includes: The first sleeve is slidably fitted onto the support rod; The first knob screw is installed on the outside of the first sleeve, and the screw can be screwed into the first sleeve and abut against the support rod; The second sleeve is slidably sleeved on the positioning frame and located outside the first sleeve; The second knob screw is installed on the outside of the second sleeve, and the screw can be screwed into the second sleeve to abut against the positioning frame.

7. The positioning formwork for the protective layer of guardrail reinforcement according to claim 1, characterized in that, The second adjustment component includes: The third sleeve is slidably fitted onto the support rod; The third knob screw is installed on the outside of the third sleeve, and the screw can be screwed into the third sleeve and abut against the support rod; The fourth sleeve is slidably sleeved on the positioning crossbar and located outside the third sleeve; The fourth knob screw is installed on the outside of the fourth sleeve, and the screw can be screwed into the fourth sleeve to abut against the positioning crossbar.

8. The positioning formwork for the protective layer of guardrail reinforcement according to claim 1, characterized in that, include: Four brake casters are respectively installed at the four corners of the bottom surface of the U-shaped base frame.

Images