CN220377109U - Bridge deck crash barrier construction platform - Google Patents

Abstract

The utility model relates to the technical field of bridge guardrail construction platforms, specifically to a bridge deck anti-collision guardrail construction platform, which includes a mobile frame assembly, a suspension assembly, an operating platform and a support assembly; the mobile frame assembly is placed on the bridge deck and moves A ladder is provided on the frame assembly, and the ladder is fixedly connected to the operating platform. The operating platform is engaged and connected through a gear and rack structure to realize the extension or contraction of the operating platform; the bottom of the support assembly is fixedly provided on the mobile frame assembly, and the upper part of the support assembly is connected to the operating platform. The upper surface of the platform is connected by an electric telescopic rod; the suspension component is located below the operation platform, and the upper end of the suspension component is fixedly connected to the lower end of the operation platform. The suspension component realizes the lifting function through a scissor-type mechanism; the construction platform can not only reduce The small footprint reduces safety hazards for construction workers and can also significantly improve work efficiency.

Description

A bridge deck anti-collision guardrail construction platform

Technical field

The utility model relates to the technical field of bridge guardrail construction platforms, and specifically relates to a bridge deck anti-collision guardrail construction platform.

Background technique

Bridge guardrails refer to guardrails installed on bridges. They are set up to prevent out-of-control vehicles from crossing the bridge. They have the function of preventing vehicles from breaking through, going under, and over the bridge and beautifying the bridge building. The construction of bridge anti-collision guardrails mostly adopts the formwork installation and pouring method. During the construction process of formwork support or dismantling, construction personnel operate the construction work on the construction platform through the construction platform set up outside the bridge deck guardrail; the current construction platform construction generally adopts The construction trolley is used to support and dismantle the formwork of the anti-collision guardrail. Construction workers need to climb a ladder to enter the hanging basket. It is not safe when people enter and exit, and the operation efficiency is low. When not in use, the construction platform occupies a large area and is inconvenient to place. .

Therefore, there is an urgent need for a bridge deck anti-collision guardrail construction platform to solve the above problems.

Utility model content

In view of the above problems, the present utility model provides a construction platform for bridge deck anti-collision guardrails, which can reduce the floor space of the construction platform, reduce potential safety hazards for construction personnel, and significantly improve work efficiency.

The technical solutions adopted by this utility model to solve its technical problems:

A bridge deck anti-collision guardrail construction platform, including a mobile frame assembly, a suspension assembly, an operating platform and a support assembly; the mobile frame assembly is placed on the bridge deck, a ladder is set on the mobile frame assembly, and the ladder is fixedly connected to the operating platform. The operating platform is engaged and connected through a gear and rack structure to achieve elongation or contraction of the operating platform; the bottom of the support component is fixedly mounted on the mobile frame component, and the upper part of the support component is connected to the upper surface of the operating platform through an electric telescopic rod; the suspension The component is located below the operating platform, and the upper end of the suspension component is fixedly connected to the lower end of the operating platform. The suspension component realizes the lifting function through a scissor-type mechanism.

Preferably, the operation platform includes a mounting plate and a sliding plate. One end of the mounting plate is fixedly connected to the ladder, and the other end is fixedly connected to the support assembly. One end of the sliding plate is plugged into the mounting plate, and the other end is provided with a communication groove. , the communication groove and the suspension component are set at the same end of the sliding plate.

Preferably, a chute is provided at the bottom of one end of the mounting plate close to the sliding plate, and slide rails are provided extending downward on both sides of the chute. Two placement grooves are symmetrically provided on the chute, and a rack is fixedly provided in the placement groove.

Preferably, mounting grooves are provided on both sides of the sliding plate, and the mounting grooves cooperate with the slide rails on both sides of the chute. Two grooves are provided on the sliding plate, and the two grooves correspond to the placement grooves on the mounting plate. Two gears are respectively placed in the grooves, and the two gears are fixedly connected through a connecting shaft. The connecting shaft is arranged in the sliding plate and is rotationally connected with the sliding plate.

Preferably, the suspension assembly includes a connecting plate, a hanging basket and a lifting mechanism. The upper end of the connecting plate is fixedly connected to the lower end of the sliding plate. The lower end of the connecting plate is provided with a lifting mechanism. The lower end of the lifting mechanism is provided with a hanging basket. The lifting mechanism passes through a scissor mechanism. Realize the lifting and lowering of the hanging basket.

Preferably, the mobile frame assembly also includes a base and rollers. A ladder is fixed on one side of the base, a support assembly is fixed on the other side, and rollers are provided at four corners below the base.

Preferably, the support assembly includes an upright column, a first cross beam and a second cross beam; there are two upright columns, the bottom of the upright column is fixedly provided on the base, the middle part of the upright column is fixedly connected to the mounting plate, and a third upright column is provided between the upper parts of the two upright columns. One crossbeam, and a second crossbeam is set between the upper parts of the two columns.

Preferably, the support assembly further includes a gas spring, and two gas springs and two electric telescopic rods are provided on both sides of the sliding plate.

Preferably, the upper end of the electric telescopic rod is hingedly connected to the first beam, and the lower end is rotationally connected to the upper surface of the sliding plate; the piston end of the gas spring is rotationally connected to the second beam, and the cylinder end of the gas spring is rotationally connected to the sliding plate.

Compared with the existing technology, the beneficial effects of this utility model are:

The bridge deck anti-collision guardrail construction platform described in the utility model uses the telescopic function of the operating platform to span to the outside of the anti-collision guardrail. One side can move along the bridge deck, and the other side can adjust the position of the hanging basket through a lifting mechanism. , the construction workers on the bridge can push the construction platform to move along the bridge to facilitate construction by the construction workers in the hanging basket; the handrails on the construction platform are in an enclosed form, which reduces the safety hazards of the construction workers during construction operations. The construction platform The operating platform can be extended when in use and contracted when not in use, reducing the floor space, enhancing the applicability of the construction platform, and significantly improving work efficiency.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, for those of ordinary skill in the art, Generally speaking, other drawings can also be obtained based on these drawings without exerting creative work.

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

Figure 2 is a schematic diagram of the explosion structure of the implementation part of the utility model;

Figure 3 is a schematic structural diagram of a suspension component according to an embodiment of the present utility model;

Figure 4 is a partial cross-sectional schematic diagram of an embodiment of the present utility model;

Figure 5 is a partial enlarged view of area A in Figure 4.

Explanation of reference symbols:

1. Mobile frame assembly; 11. Base; 12. Ladder; 13. First handrail; 14. Roller; 15. Load-bearing block; 2. Suspension component; 21. Connecting plate; 211. Sliding groove one; 22. Suspension Basket; 221. Sliding groove two; 23. Hydraulic mechanism; 231. Hydraulic cylinder; 232. Rotating head; 24. Lifting mechanism; 241. First connecting rod; 242. Second connecting rod; 243. First guide rod; 244 , second guide rod; 245, moving wheel; 25, grab rod; 3, operating platform; 31, mounting plate; 311, chute; 312, rack; 32, sliding plate; 321, gear; 322, groove; 323. Connecting shaft; 324. Communication groove; 33. Second handrail; 34. Third handrail; 35. Fourth handrail; 36. Connector; 4. Support component; 41. Column; 42. First beam; 43. Second beam; 44, electric telescopic rod; 45, gas spring; 5, bridge deck; 6, anti-collision guardrail.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the following description of the utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on that shown in the accompanying drawings. The orientation or positional relationship is only to facilitate the description of the present invention and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connection" only refers to the connection between devices and has no special meaning.

Referring to Figures 1 to 5 for specific embodiments, a bridge deck anti-collision guardrail construction platform is placed on the bridge deck 5 on one side and can extend to the outside of the anti-collision guardrail 6 on the other side, including a mobile frame assembly 1 and a suspension assembly. 2. Operation platform 3 and support assembly 4; the mobile frame assembly 1 is placed on the bridge deck 5. The mobile frame assembly 1 is provided with a ladder 12 for construction personnel to climb. The ladder 12 is fixedly connected to the operation platform 3. The operation platform 3 is engaged and connected through a gear and rack structure to realize the extension or contraction of the operation platform 3; the bottom of the support component 4 is fixedly provided on the mobile frame component 1, and the upper part of the support component 4 is connected to the upper surface of the operation platform 3 through an electric telescopic rod 44 Connection; the suspension component 2 is located below the operating platform 3, and the upper end of the suspension component 2 is fixedly connected to the lower end of the operating platform 3. The suspension component 2 realizes the lifting function through a scissor-type mechanism.

The mobile frame assembly 1 includes a base 11, a first handrail 13, rollers 14 and a load-bearing block 15; rollers 14 are provided at the four corners below the base 11 so that the construction platform can move along the bridge deck 5 ; A ladder 12 is fixedly provided on one side of the base 11 to enable construction workers to enter the operation platform 3 through the ladder 12, and a load-bearing block 15 is provided on the other side of the base 11 to enhance the stability of the construction platform; The ladder 12 is provided with a first handrail 13. There are two first handrails 13, and the two first handrails 13 are respectively provided on both sides of the ladder 12.

The operation platform 3 includes a mounting plate 31, a sliding plate 32, a second handrail 33, a third handrail 34, a fourth handrail 35 and a connector 36; one end of the mounting plate 31 is fixedly connected to the ladder 12, and the other end is connected to the support. Component 4 is fixedly connected. A chute 311 is provided at the bottom of one end of the mounting plate 31 close to the sliding plate 32. Slide rails are provided extending downward on both sides of the chute 311. Two placement grooves are symmetrically provided on the chute 311, and teeth are fixedly provided in the placement grooves. The strip 312 is used to limit the telescopic length of the operating platform 3; the second armrests 33 are provided on the mounting plate 31, and there are two second armrests 33. The two second armrests 33 are fixedly connected to both sides of the mounting plate 31 respectively. It is used to prevent construction workers from accidentally falling and reduce safety hazards.

One end of the sliding plate 32 is plugged into the mounting plate 31, and the other end of the sliding plate 32 is provided with a communication groove 324. Installation grooves are provided on both sides of the sliding plate 32. The plate above the installation groove is plugged into the chute 311, and the installation groove is connected to the sliding groove 311. The slide rails on both sides of the slide groove 311 cooperate to support the sliding plate 32 so that it can move along the slide rail. The sliding plate 32 is provided with two grooves 322. Two grooves 322 are provided. Corresponding to the placement grooves on the mounting plate 31, two gears 321 are respectively placed in the two grooves 322. The gears 321 are meshed with the rack 312, and the two gears 321 are fixedly connected through a connecting shaft 323. The connecting shaft 323 is provided in the sliding plate 32 and is rotationally connected with the sliding plate 32; the communication groove 324 and the suspension component 2 are provided on the sliding plate 32 at the same end, and the communication groove 324 is used to allow construction personnel to enter or leave the suspension. Component 2.

The third armrest 34 is arranged on the sliding plate 32, and there are two third armrests 34. The two third armrests 34 are respectively arranged on the sliding plate 32; the fourth armrest 35 is arranged on the sliding plate 32 and is close to the suspension. At one end of the assembly 2, one end of the two third armrests 34 is fixedly connected to both ends of the fourth armrest 35, and the other end is slidingly connected to the second armrest 33; two connecting parts 36 are provided, and the two connecting parts 36 are The two third armrests 34 correspond one to one. The lower end of the connecting member 36 is plugged into the upper end of the third armrest 34 and the upper end of the second armrest 33 respectively. The side of the connecting member 36 close to the second armrest 33 is fixedly connected to the second armrest 33. Screw connection may be used to enhance the stability of the third armrest 34 .

The support assembly 4 includes a column 41, a first beam 42, a second beam 43, an electric telescopic rod 44 and a gas spring 45; the column 41 is provided on the side of the base 11 away from the ladder 12, and the column 41 is provided with two Two upright columns 41 are respectively provided at both ends of the base 11. The middle part of the upright column 41 is fixedly connected to the mounting plate 31, and the upright column 41 is located outside the second armrest 33. A first cross beam 42 is disposed between the upper parts of the two upright columns 41. A second crossbeam 43 is provided between the lower parts of the two uprights 41, and the second crossbeam 43 is located below the sliding plate 32; the gas spring 45 is located below the sliding plate 32, and the piston end of the gas spring 45 is connected to the second crossbeam 43 through the fixed head one. The cylinder end of the gas spring 45 is rotationally connected to the lower surface of the sliding plate 32 through the fixed head 2, so that the sliding plate 32 can slide stably along the mounting plate 31 and has a certain supporting effect on the sliding plate 32; Two springs 45 and two electric telescopic rods 44 are provided. Two gas springs 45 and two electric telescopic rods 44 are arranged on both sides of the sliding plate 32; the electric telescopic rod 44 is located above the sliding plate 32, and the upper end of the electric telescopic rod 44 It is rotatably connected with the first cross beam 42, and its lower end is rotatably connected with the end of the upper surface of the sliding plate 32 close to the suspension component 2 for driving the construction platform; when the construction platform is in use, construction workers enter the installation plate 31 through the ladder 12, Turn on the switch of the electric telescopic rod 44 to extend the sliding plate 32 toward the outside of the anti-collision platform 6 so that construction workers can enter the suspension assembly 2 and perform construction operations.

The suspension component 2 includes a connecting plate 21, a hanging basket 22, a hydraulic mechanism 23, a lifting mechanism 24 and a grab bar 25; the upper end of the connecting plate 21 is fixedly connected to the lower end of the sliding plate 32, and a lifting mechanism 24 is provided at the lower end of the connecting plate 21. A hanging basket 22 is provided at the lower end of the lifting mechanism 24. The lifting mechanism 24 realizes the lifting of the hanging basket 22 through a scissor mechanism; sliding grooves 211 are respectively provided on both sides of the connecting plate 21. The sliding groove 211 is located at one end of the side of the connecting plate 21 and is connected to The other end of the side of the plate 21 is provided with a through hole 1 for connecting the lifting mechanism 24. A grab rod 25 is provided at one end of the lower part of the connecting plate 21 close to the communication groove 324, so that construction workers can pass through the communication groove 324 with the help of the grab rod 25; the hanging basket Two sliding grooves 221 are respectively provided on both sides of the upper part of 22. The second sliding groove 221 is located at one end of the side of the hanging basket 22. The second sliding groove 221 is at the same end as the sliding groove one 211. The other end of the side of the hanging basket 22 is provided with a through hole 2. When connecting the lifting mechanism 24, the sliding groove two 221 corresponds to the sliding groove one 211 one-to-one, and the through hole one corresponds to the through hole two; the hydraulic mechanism 23 is provided in the lifting mechanism 24 to provide power for the lifting mechanism 24. .

The lifting mechanism 24 includes a first connecting rod 241, a second connecting rod 242, a first guide rod 243, a second guide rod 244 and a moving wheel 245; the first connecting rod 241 and the second connecting rod 242 are at the midpoint. Hinged at each position to form a scissor unit, six scissor units are arranged, and the six scissor units are arranged into two groups, with three scissor units in each group connected from top to bottom; the first guide rod 243 and the second guide rod Rods 244 are arranged between two sets of scissor units. Four first guide rods 243 and four second guide rods 244 are provided. The four first guide rods 243 and second guide rods 244 are connected to the two sets of scissor units one by one. Correspondingly, both ends of the first guide rod 243 are fixedly connected to the first connecting rod 241 between the two sets of scissor units, and are hingedly connected to the second connecting rod 242. Both ends of the second guide rod 244 are respectively connected to the first connecting rod 241 between the two sets of scissor units. The two connecting rods 242 are fixedly connected and hingedly connected with the first connecting rod 241; four moving wheels 245 are provided, and the four moving wheels 245 are respectively slidingly arranged in the two sliding grooves 221 and the two sliding grooves 1 211. The uppermost one is The first link 241 in the scissor unit and the second link 242 in the lowermost scissor unit are respectively connected to the moving wheel 245, and the second link 242 in the uppermost scissor unit is connected to the through hole on the connecting plate 21 One hinge, the first connecting rod 241 in the lowermost scissor unit is hinged with the through hole on the hanging basket 22.

The hydraulic mechanism 23 includes a hydraulic cylinder 231 and a rotating head 232. There are two rotating heads 232. The two rotating heads 232 are arranged up and down. The upper rotating head 232 is arranged on the second second guide rod from top to bottom. 244, the rotating head 232 located below is arranged on the third first guide rod 243 from top to bottom, the cylinder end of the hydraulic cylinder 231 is hinged with the rotating head 232 located above, and the piston end of the hydraulic cylinder 231 is connected with the rotating head 232 located below. Head 232 is hinged.

The usage process and working principle of this device:

Move the construction platform to a suitable position on the bridge deck 5. Some construction workers reach the installation plate 31 via the ladder 12, start the electric telescopic rod 44, extend the electric telescopic rod 44, and drive the sliding plate 32 to the outside of the anti-collision guardrail 6 After moving to the appropriate position, the electric telescopic rod 44 is closed, and the construction personnel reach the hanging basket 22 through the communication groove 324. The hydraulic mechanism 23 operates to extend the hydraulic cylinder 231 and drive the lifting mechanism 24 to lower, thereby lowering the hanging basket 22 to the appropriate position. The position is convenient for construction workers to install and disassemble the formwork of the anti-collision guardrail 6; the construction workers on the bridge deck can push the construction platform to move on the bridge deck 5, so that the construction workers in the hanging basket 22 can Construction operations are carried out on the anti-collision guardrail 6 provided along the bridge deck 5.

When the construction is completed, the construction workers climb onto the sliding plate 32 through the communication groove 324 with the help of the grab rod 25. The hydraulic mechanism 23 moves in reverse, causing the hydraulic cylinder 231 to contract, driving the lifting mechanism 24 to rise to the initial position, and starting the electric telescopic rod 44. After the electric telescopic rod 44 is shortened and the sliding plate 32 is driven to retract, the electric telescopic rod 44 is closed, and the construction workers leave the construction platform via the ladder 12 .

The bridge deck anti-collision guardrail construction platform described in the utility model uses the telescopic function of the operating platform to span to the outside of the anti-collision guardrail. One side can move along the bridge deck, and the other side can adjust the position of the hanging basket through a lifting mechanism. , the construction workers on the bridge can push the construction platform to move along the bridge to facilitate construction by the construction workers in the hanging basket; the handrails on the construction platform are in an enclosed shape, which reduces the safety hazards of construction workers during construction operations. The platform can be extended when in use and contracted when not in use, reducing the floor space and enhancing the applicability of the construction platform, which can significantly improve work efficiency.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A bridge deck anti-collision guardrail construction platform, with one side placed on the bridge deck (5) and the other side extending to the outside of the anti-collision guardrail (6). It is characterized in that it includes a mobile frame assembly (1), a suspension assembly (2), operating platform (3) and support assembly (4); the mobile frame assembly (1) is placed on the bridge deck (5), a ladder (12) is provided on the mobile frame assembly (1), and the ladder (12) ) is fixedly connected to the operating platform (3). The operating platform (3) is engaged and connected through a gear and rack structure to realize the expansion or contraction of the operating platform (3); the bottom of the support assembly (4) is fixedly provided on the mobile frame assembly ( 1), the upper part of the support component (4) is connected to the upper surface of the operating platform (3) through an electric telescopic rod (44); the suspension component (2) is located below the operating platform (3), and the upper end of the suspension component (2) Fixedly connected to the lower end of the operating platform (3), the suspension component (2) realizes the lifting function through a scissor-type mechanism. 2. A bridge deck anti-collision guardrail construction platform according to claim 1, characterized in that the operation platform (3) includes a mounting plate (31) and a sliding plate (32), and the mounting plate (31) One end of the sliding plate (32) is fixedly connected to the ladder (12), and the other end is fixedly connected to the support assembly (4); one end of the sliding plate (32) is plugged into the installation plate (31), and the other end is provided with a communication slot (324). (324) and the suspension component (2) are arranged at the same end of the sliding plate (32). 3. A bridge deck anti-collision guardrail construction platform according to claim 2, characterized in that a chute (311) is provided at the bottom of one end of the mounting plate (31) close to the sliding plate (32), and the chute (311) ) slide rails extend downward respectively on both sides, two placement grooves are symmetrically provided on the slide groove (311), and a rack (312) is fixedly provided in the placement groove. 4. A bridge deck anti-collision guardrail construction platform according to claim 3, characterized in that installation grooves are provided on both sides of the sliding plate (32), and the installation grooves cooperate with the slide rails on both sides of the chute (311). Two grooves (322) are provided on the sliding plate (32). The two grooves (322) correspond to the placement grooves on the mounting plate (31). Two gears are placed in the two grooves (322). (321), the two gears (321) are fixedly connected through the connecting shaft (323). The connecting shaft (323) is arranged in the sliding plate (32) and is rotationally connected with the sliding plate (32). 5. A bridge deck anti-collision guardrail construction platform according to claim 1, characterized in that the suspension component (2) includes a connecting plate (21), a hanging basket (22) and a lifting mechanism (24), The upper end of the connecting plate (21) is fixedly connected to the lower end of the sliding plate (32). The lower end of the connecting plate (21) is provided with a lifting mechanism (24). The lower end of the lifting mechanism (24) is provided with a hanging basket (22). The lifting mechanism (24) passes through The scissor mechanism realizes the lifting and lowering of the hanging basket (22). 6. A bridge deck anti-collision guardrail construction platform according to claim 1, characterized in that the mobile frame assembly (1) further includes a base (11) and rollers (14), and the base (11 ) is fixedly provided with a ladder (12) on one side, a support assembly (4) is fixedly provided on the other side, and rollers (14) are provided at the four corners below the base (11). 7. A bridge deck anti-collision guardrail construction platform according to claim 1, characterized in that the support assembly (4) includes a column (41), a first beam (42) and a second beam (43); There are two upright columns (41), the bottom of the upright column (41) is fixedly installed on the base (11), the middle part of the upright column (41) is fixedly connected to the mounting plate (31), and a third column is provided between the upper parts of the two upright columns (41). A cross beam (42) is provided, and a second cross beam (43) is arranged between the upper parts of the two upright columns (41). 8. A bridge deck anti-collision guardrail construction platform according to claim 7, characterized in that the support assembly (4) also includes a gas spring (45), the gas spring (45) and an electric telescopic rod ( 44) are provided with two, two gas springs (45) and two electric telescopic rods (44) are provided on both sides of the sliding plate (32). 9. A bridge deck anti-collision guardrail construction platform according to claim 8, characterized in that the upper end of the electric telescopic rod (44) is hinged with the first cross beam (42), and the lower end is connected with the upper surface of the sliding plate (32). Rotating connection; the piston end of the gas spring (45) is rotationally connected to the second beam (43), and the cylinder end of the gas spring (45) is rotationally connected to the sliding plate (32).