Fabricated pier column top construction platform

Abstract

The utility model relates to the technical field of bridge construction, in particular to an assembly type pier column top construction platform which comprises a standing mold, two sets of expansion mechanisms are arranged on the top of the standing mold, each expansion mechanism comprises an upper flange, a triangular cantilever frame and a lower flange, the upper flanges and the lower flanges are both in a semi-arc shape, and multiple sets of strip-shaped holes are formed in the upper flanges at intervals in the circumferential direction. The top of the vertical mold is provided with a penetrating hole aligned with the strip-shaped hole, the triangular cantilever frames are fixedly arranged in the circumferential direction of the upper flange at intervals, the lower flange is located below the upper flange and fixedly connected with the bottoms of the triangular cantilever frames, and the supporting mechanism is arranged on the expanding mechanism. According to the device, after an upper flange in an extension mechanism is attached to and abuts against the top of a vertical formwork, a strip-shaped hole in the upper flange can be aligned with a penetrating hole in the vertical formwork at the top of a pier, then the vertical formwork and the upper flange are fixedly connected through a bolt and a nut, it is guaranteed that a construction platform is stable, operation is convenient and fast, and the construction efficiency is improved. And the safety of workers is improved.

Description

Technical Field

[0001] The present application relates to the technical field of bridge construction, and in particular to an assembled pier column top construction platform. Background Art

[0002] During the construction of high pier bridges, the piers are usually built first. After the piers are built, the bridge deck is spliced ​​on top of the piers. The piers are usually poured step by step from bottom to top. In order to facilitate the construction workers to carry out subsequent construction on the top of the poured piers, a construction platform is usually built on the top of the piers.

[0003] A Chinese utility model patent with publication number CN219839973U discloses a bridge engineering pier climbing formwork facade combined operation safety protection platform, including a pier body and a safety protection platform body, a template frame is arranged on the outside of the pier body, a platform frame is fixedly installed on one side of the template frame, a guardrail is fixedly installed on one side of the top of the platform frame, a safety protection net is arranged on the outside of the guardrail, a first connecting piece is fixedly installed on the outside of the template frame, a second connecting piece is fixedly installed on the outside of the template frame and located at the bottom of the first connecting piece, and pin holes are opened in the middle of the first connecting piece and the second connecting piece. The beneficial effects of the utility model are as follows: the safety protection platform body on the outside of the pier body is connected to the template by adopting L70 angle steel group welding pin shaft, and subsequent assembly and disassembly are relatively convenient and quick, thereby effectively improving the installation efficiency, shortening the installation period, and accelerating the construction period.

[0004] The device is provided with a safety protection platform body. When building the platform, the safety protection platform body outside the template frame is welded, and then the safety protection platform body is connected to the template frame through a first connecting piece, a pin shaft and a second connecting piece. However, the first connecting piece and the second connecting piece are located outside the template frame, and the second connecting piece is located below the safety protection platform body. The staff needs to load and unload the pin shaft and the connecting piece here on the outside of the pier. There is a risk of parts falling during the loading and unloading process, and the safety is not high. Utility Model Content

[0005] In view of the problem of low safety in the prior art, the utility model specially provides an assembled pier column top construction platform.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] The utility model provides an assembled bridge pier column top construction platform, including a vertical formwork, two groups of expansion mechanisms are arranged on the top of the vertical formwork, the expansion mechanism includes an upper flange, a triangular cantilever and a lower flange, the upper flange and the lower flange are both semicircular arc-shaped, the upper flange is provided with a plurality of groups of strip holes at intervals along the circumference, the top of the vertical formwork is provided with perforations aligned with the strip holes, the triangular cantilever is arranged in a plurality of groups and fixedly arranged at intervals along the circumference of the upper flange, the lower flange is located below the upper flange and is fixedly connected to the bottom of the triangular cantilever;

[0008] It also includes a supporting mechanism, which is arranged on the expansion mechanism.

[0009] Preferably, the supporting mechanism includes pedals, sleeves, plug rods and protective nets. The pedals are arranged in multiple groups and are arranged in sequence along the circumference of the upper flange. The bottom of the pedal is fixedly connected to the top of the triangular frame. A group of sleeves are respectively provided at both ends of the outer edge of the pedal. Countersunk holes are provided in the sleeves, and the plug rods are inserted in the countersunk holes. The protective net is located between the two groups of plug rods and the two ends of the protective net are respectively fixedly connected to a group of plug rods. The pedals fixedly set on the triangular frame facilitate the workers to move around on the construction platform, which improves safety. The plug rods and protective nets set on the outside of the pedals can protect the workers during construction and avoid falling.

[0010] Preferably, a mounting hole is provided on the insertion rod, a slider is slidably provided in the mounting hole, a spring is provided at one end of the mounting hole away from the opening, both ends of the spring are respectively connected to the slider and the insertion rod, and a through hole matched with the slider is penetrated through the side wall of the countersunk hole. When the staff inserts the insertion rod and the sleeve, the slider slides along the mounting hole, and then inserts the insertion rod into the countersunk hole on the sleeve. When the slider is moved to be aligned with the through hole, the slider is pushed out and embedded in the through hole under the action of the spring, thereby limiting the insertion rod. The operation is convenient, the stability of the protective net and the insertion rod is ensured, and the safety performance is improved.

[0011] Preferably, the mounting holes are provided in two groups and are spaced apart at both ends of the insertion rod, so that the staff can insert and limit the insertion in the sleeve through both ends of the insertion rod, which is convenient for operation.

[0012] Preferably, a limiting block is fixedly provided at one end of the triangular frame away from the upper flange, and the outer side of the pedal is further limited by the limiting block to ensure the stability of the pedal.

[0013] Preferably, a plurality of groups of anti-skid bumps are arranged at intervals on the surface of the pedal, and the anti-skid bumps are arranged to improve the safety of the workers when walking on the pedal.

[0014] Preferably, a plurality of groups of ribs are fixedly arranged at intervals on the bottom of the pedal, and the pedal is auxiliary reinforced by the ribs to ensure the strength of the pedal.

[0015] Preferably, it also includes an adjusting top rod. A threaded hole is provided at the bottom of the tripod frame. The adjusting top rod is threadedly inserted into the threaded hole. One end of the adjusting top rod abuts against the vertical mold. The staff rotates the adjusting top rod so that one end of the adjusting top rod is close to the vertical mold and finally abuts and clamps against the vertical mold, thereby realizing horizontal limitation of the tripod frame and further improving safety.

[0016] The advantages of adopting the above technical solution are:

[0017] The utility model is provided with a vertical formwork, and two groups of expansion mechanisms are arranged on the top of the vertical formwork, the expansion mechanism includes an upper flange, a triangular cantilever and a lower flange, the upper flange and the lower flange are both semicircular, the upper flange is provided with a plurality of groups of strip holes at intervals along the circumferential direction, the top of the vertical formwork is provided with through holes aligned with the strip holes, the triangular cantilever is arranged in a plurality of groups and fixedly arranged at intervals along the circumference of the upper flange, the lower flange is located below the upper flange and fixedly connected to the bottom of the triangular cantilever, and the supporting mechanism is arranged on the expansion mechanism. In this device, the staff can align the strip holes on the upper flange with the through holes on the vertical formwork at the top of the pier after fitting the upper flange in the expansion mechanism with the top of the vertical formwork, and then connect and fix the vertical formwork and the upper flange by bolts and nuts, thereby ensuring the stability of the construction platform, facilitating operation, and improving the safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The structure diagram of the utility model is shown;

[0020] Figure 2 A partial structural schematic diagram of the utility model is shown;

[0021] Figure 3 A partial structural schematic diagram of the utility model is shown;

[0022] Figure 4 A partial cross-sectional view of the present invention is shown.

[0023] Among them: vertical mold 1, upper flange 2, strip hole 201, triangular frame 3, limit block 301, lower flange 4, pedal 5, sleeve 501, rib plate 502, installation hole 602, slider 603. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] like Figure 1-4 As shown, an embodiment of the utility model discloses an assembled pier column top construction platform, including a vertical formwork 1, an expansion mechanism and a supporting mechanism. Two groups of expansion mechanisms are arranged on the top of the vertical formwork 1. The expansion mechanism includes an upper flange 2, a triangular cantilever 3 and a lower flange 4. The upper flange 2 and the lower flange 4 are both semicircular arc-shaped. The upper flange 2 is provided with a plurality of groups of strip holes 201 at intervals along the circumferential direction. The top of the vertical formwork 1 is provided with through holes aligned with the strip holes 201. The triangular cantilever 3 is arranged in a plurality of groups and fixedly arranged at intervals along the circumference of the upper flange 2. The lower flange 4 is located below the upper flange 2 and is fixedly connected to the bottom of the triangular cantilever 3. The supporting mechanism is arranged on the expansion mechanism.

[0026] In at least one embodiment, the supporting mechanism includes a pedal 5, a sleeve 501, an insertion rod 6 and a protective net 601. The pedal 5 is arranged in multiple groups and arranged in sequence along the circumference of the upper flange 2. The bottom of the pedal 5 is fixedly connected to the top of the triangular frame 3. A group of sleeves 501 are respectively provided at both ends of the outer edge of the pedal 5. Countersunk holes are provided in the sleeves 501, and the insertion rods 6 are inserted in the countersunk holes. The protective net 601 is located between the two groups of insertion rods 6 and the two ends of the protective net 601 are respectively fixedly connected to a group of insertion rods 6. By fixing the pedal 5 on the triangular frame 3, it is convenient for workers to walk on the construction platform and improves safety. The insertion rods 6 and the protective net 601 arranged on the outside of the pedal 5 can protect the workers during construction and avoid falling.

[0027] In at least one embodiment, a mounting hole 602 is provided on the insertion rod 6, and a slider 603 is slidably provided in the mounting hole 602. A spring is provided at the end of the mounting hole 602 away from the opening, and both ends of the spring are respectively connected to the slider 603 and the insertion rod 6. A through hole matched with the slider 603 is penetrated through the side wall of the countersunk hole. When the staff inserts the insertion rod 6 and the sleeve 501, the slider 603 is slid along the mounting hole 602, and then the insertion rod 6 is inserted into the countersunk hole on the sleeve 501. When the slider 603 is moved to be aligned with the through hole, the slider 603 is pushed out and embedded in the through hole under the action of the spring, thereby limiting the insertion rod 6. The operation is convenient, the stability of the protective net 601 and the insertion rod 6 is ensured, and the safety performance is improved.

[0028] In at least one embodiment, the mounting holes 602 are set in two groups and are spaced apart at both ends of the insertion rod 6, so that the staff can insert and limit the insertion in the sleeve 501 through both ends of the insertion rod 6, which is convenient for operation.

[0029] In at least one embodiment, a limit block 301 is fixedly provided at one end of the triangular frame 3 away from the upper flange 2 , and the outer side of the pedal 5 is further limited by the limit block 301 to ensure the stability of the pedal 5 .

[0030] In at least one embodiment, a plurality of groups of anti-skid bumps are arranged at intervals on the surface of the pedal 5 , and the anti-skid bumps are arranged to improve the safety of the staff when walking on the pedal 5 .

[0031] In at least one embodiment, a plurality of groups of ribs 502 are fixedly arranged at intervals at the bottom of the pedal 5 , and the pedal 5 is auxiliary reinforced by the ribs 502 to ensure the strength of the pedal 5 .

[0032] In at least one embodiment, it also includes an adjusting top rod. A threaded hole is provided at the bottom of the triangular frame 3. The adjusting top rod is threadedly inserted into the threaded hole. One end of the adjusting top rod abuts against the vertical mold 1. The staff rotates the adjusting top rod so that one end of the adjusting top rod is close to the vertical mold 1 and finally abuts and clamps against the vertical mold 1, thereby realizing horizontal limitation of the triangular frame 3 and further improving safety.

[0033] When constructing the construction platform, the staff first splices the formwork 1 in sequence along the vertical direction of the pier casting. When it is necessary to carry out construction work on the section to be cast of the pier, the staff moves the two sets of expansion mechanisms to the top of the upper formwork 1, and then splices the two sets of arc-shaped upper flanges 2 and abuts against the top of the formwork 1, so that the multiple sets of strip holes 201 on the upper flange 2 are aligned with the through holes on the formwork 1, and then the staff penetrates the strip holes 201 and the through holes with bolts and then puts on nuts to achieve the connection and fixation of the upper flange 2 and the formwork 1, which is convenient to operate. When loading and unloading the upper flange 2 and the formwork 1, the staff can carry out loading and unloading operations on the top of the pier, which improves the safety of the operation. The multiple sets of triangular cantilevers 3 on the upper flange 2 realize space expansion toward the outside of the formwork 1, and then the supporting mechanism is set on the expansion mechanism for the staff to carry out construction work on the top of the pier, which is convenient to operate.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An assembled pier column top construction platform, characterized by: include The vertical mold is provided with two groups of expansion mechanisms at the top of the vertical mold, and the expansion mechanisms include an upper flange, a triangular frame and a lower flange. The upper flange and the lower flange are both semicircular arc-shaped, and the upper flange is provided with multiple groups of strip holes at intervals along the circumference. The top of the vertical mold is provided with perforations aligned with the strip holes. The triangular frame is provided in multiple groups and fixedly arranged at intervals along the circumference of the upper flange. The lower flange is located below the upper flange and is fixedly connected to the bottom of the triangular frame. It also includes a supporting mechanism, which is arranged on the expansion mechanism.

2. The assembled pier column top construction platform according to claim 1, characterized in that: The supporting mechanism includes pedals, sleeves, plug rods and protective nets. The pedals are arranged in multiple groups and arranged in sequence along the circumference of the upper flange. The bottom of the pedals is fixedly connected to the top of the triangular cantilever frame. A group of sleeves are respectively provided at both ends of the outer edge of the pedals. Countersunk holes are provided in the sleeves, and the plug rods are inserted in the countersunk holes. The protective net is located between the two groups of plug rods, and the two ends of the protective net are respectively fixedly connected to a group of plug rods.

3. The assembled pier column top construction platform according to claim 2, characterized in that: The insertion rod is provided with a mounting hole, a slider is slidably arranged in the mounting hole, a spring is arranged at one end of the mounting hole away from the opening, both ends of the spring are respectively connected with the slider and the insertion rod, and a through hole is penetrated through the side wall of the countersunk hole to match the slider.

4. The assembled pier column top construction platform according to claim 3, characterized in that: The mounting holes are arranged in two groups and spaced apart at both ends of the insertion rod.

5. The assembled pier column top construction platform according to claim 2, characterized in that: A limiting block is fixedly arranged at one end of the triangular frame away from the upper flange.

6. The assembled pier column top construction platform according to claim 2, characterized in that: A plurality of groups of anti-skid protrusions are arranged at intervals on the pedal surface.

7. The assembled pier column top construction platform according to claim 2, characterized in that: A plurality of groups of ribs are fixedly arranged at intervals at the bottom of the pedal.

8. The assembled pier column top construction platform according to claim 1, characterized in that: It also includes an adjusting top rod. A threaded hole is provided at the bottom of the tripod frame. The adjusting top rod is threadedly inserted into the threaded hole. One end of the adjusting top rod is in contact with the vertical mold.

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