Movable operation platform for bridge edge operation

Abstract

The utility model discloses a movable operation platform for bridge edge operation, which comprises an inner side frame body arranged in a bridge maintenance road, an outer side frame body arranged on the outer side of a bridge, an overhanging beam fixedly connected between the outer side frame body and the inner side frame body, and an operation platform arranged on the outer side frame body, the walking wheels are arranged between the inner side frame body and the surface of the bridge maintenance road and between the outer side frame body and the outer side wall face of the bridge handrail base, and the balancing weight is arranged on the inner side frame body. Due to the design of the two walking wheels, the operation platform can conveniently move on the bridge, and collision between the outer side frame body and the bridge guardrail base in the moving process of the whole operation platform is also avoided; the problem that in the prior art, tracks need to be laid on the bridge floor in advance is solved, damage to the bridge floor is avoided, and materials needed by the tracks are reduced. In addition, due to the fact that the walking wheels are additionally arranged, movement of the whole operation platform is facilitated, the requirements of different construction positions are met, and the flexibility of the whole operation platform is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction equipment, in particular to a mobile operating platform for bridge edge operations. Background Art

[0002] When the bridge deck lighting project is under construction, operations need to be performed on the outside of the guardrail during the processes of lamp installation and wiring; when the bridge deck guardrail is under construction, operations also need to be performed on the outside of the guardrail during the processes of steel bar binding and formwork installation. For most bridges, the clearance under the bridge is large, and working on the outside of the guardrail is considered high-altitude work, which is very easy to cause danger. The workers have high labor intensity and high operating risks, which is extremely dangerous.

[0003] Chinese patent CN206233102U discloses a movable edge working platform. It includes a frame, a horizontally arranged outrigger and an operating platform. The bottom of the frame is provided with walking wheels, and a weight block is provided on the bottom side away from the edge. The upper end of the frame is fixedly connected to one end of the outrigger, and the other end of the outrigger is connected to the operating platform through a vertically arranged connecting beam. The operating platform is provided with a material drop chute, and the operating platform is surrounded by edge guardrails.

[0004] The above-mentioned prior art solutions have the following defects: when the operating platform is moved forward and backward by walking wheels, a walking rail is provided at the bottom of the frame, and the rail needs to be laid in advance; the rail damages the bridge deck during installation, increases the material used, and reduces the flexibility of the frame; a weight block is provided on the side away from the edge, and when workers work on the operating platform, the frame has few force fulcrums, and the traction device may need to be moved forward during use. Utility Model Content

[0005] In view of the above-mentioned defects in the prior art, a mobile operating platform for working on the edge of a bridge is provided, which avoids damage to the bridge deck and reduces the material required for the track; in addition, the flexibility of the entire operating platform is improved.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A mobile operating platform for working on the edge of a bridge includes an inner frame arranged in a bridge inspection road, an outer frame arranged on the outside of the bridge, an outrigger fixedly connected between the outer frame and the inner frame, an operating platform arranged on the outer frame, running wheels arranged between the inner frame and the surface of the bridge inspection road and between the outer frame and the outer wall of the bridge railing base, and a counterweight placed on the inner frame; the running wheels have the same travel direction and are in contact with the bridge; the running wheels have a locking function under the action of external forces.

[0008] According to the above technical solution, the surface of the bridge maintenance road is inclined, and the maintenance road is at a low point near the middle of the bridge deck.

[0009] According to the above technical solution, at least three running wheels are arranged between the inner frame and the base, and at least one running wheel is arranged between the outer frame and the outer wall surface of the bridge railing base.

[0010] According to the above technical scheme, the cantilever beam is composed of multiple horizontally arranged first cross bars, which are divided into upper and lower layers. The first cross bars of each layer are arranged in parallel and spaced apart, and the first cross bars are perpendicular to the length direction of the bridge; the height of the first cross bar is higher than the height of the bridge guardrail; the top ends of the outer frame and the inner frame are respectively fixed on the outer section and inner section of the first cross bar located on the railing.

[0011] According to the above technical solution, the outer frame includes

[0012] First longitudinal bars, two first longitudinal bars are horizontally arranged between the two layers of first cross bars, the first longitudinal bars and the first cross bars are perpendicular to each other, and the two are fixedly connected;

[0013] Vertical rods, four vertical rods are vertically arranged at the intersection of the two first longitudinal rods and the two outermost first cross rods in the same horizontal plane, and the tops of the vertical rods are fixedly connected to the first cross rods and the first longitudinal rods at the same time;

[0014] The second longitudinal rods and the second transverse rods, the two second transverse rods and the two second longitudinal rods are arranged in a crisscross pattern, and the two constitute a tic-tac-toe structure; the multi-layer tic-tac-toe structure is fixed on the vertical rods at intervals in the vertical direction, and at least two layers of the tic-tac-toe structure are provided; in any layer of the tic-tac-toe structure, the two second transverse rods are respectively on the same vertical plane as the two outermost ones of the first transverse rods; the two second longitudinal rods are respectively located on the vertical plane where the two first longitudinal rods are located;

[0015] The operating platform is located on a tic-tac-toe structure at the bottom layer.

[0016] According to the above technical solution, the operating platform includes an operating platform body placed on the bottom layer of the tic-tac-toe structure, a first anti-slip plate placed on the operating platform body, and baffles located around the operating platform body.

[0017] According to the above technical solution, the operating platform body extends from the bottom layer of the tic-tac-toe structure toward the bridge deck to form a material drop chute. Similarly, the second cross bar of the bottom layer of the tic-tac-toe structure also needs to extend toward the bridge deck.

[0018] According to the above technical solution, the inner frame includes

[0019] The third longitudinal bars are arranged horizontally between the two layers of the first transverse bars. The third longitudinal bars are perpendicular to the first transverse bars and are fixedly connected.

[0020] Support rods, four support rods are vertically arranged at the intersection of the two third longitudinal rods and the two outermost first transverse rods in the same horizontal plane, and the tops of the vertical rods are fixedly connected to the first transverse rods and the third longitudinal rods at the same time;

[0021] The fourth longitudinal rod, the third transverse rod and the bottom plate, the third transverse rod and the fourth longitudinal rod are arranged in a crisscross pattern, the bottom plate is placed on the third transverse rod and the fourth longitudinal rod, and the three constitute a base; the counterweight block is arranged on the base.

[0022] According to the above technical solution, it also includes scissors struts, which are arranged between the first longitudinal rod and the second longitudinal rod, and between the third longitudinal rod and the fourth longitudinal rod.

[0023] According to the above technical solution, a second anti-skid plate is provided between the base and the counterweight block.

[0024] The utility model has the following beneficial effects:

[0025] 1. Set up inner and outer frames, and connect the two through an outrigger beam to form the entire frame structure. The frame structure spans the bridge guardrail. The part of the frame structure located on the inner side of the bridge is placed on the bridge's inspection road through running wheels, and the part of the frame structure located on the outer side of the bridge is against the outer wall surface of the bridge guardrail base through running wheels. The design of two running wheels facilitates the movement of the operating platform on the bridge, and also avoids the collision between the outer frame and the bridge guardrail base during the movement of the operating platform as a whole; it solves the problem of the need to lay tracks on the bridge deck in advance in the prior art, avoids damage to the bridge deck, and reduces the materials required for the tracks. In addition, due to the addition of multiple running wheels, the entire operating platform is easy to move to meet the needs of different construction locations, which is convenient to use, improves construction efficiency, and enhances the flexibility of the entire operating platform.

[0026] 2. The operating platform is equipped with a material drop chute, baffle and protective net to prevent the tools used and materials generated during the construction process from falling, thereby improving work safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an embodiment provided by the utility model;

[0028] Figure 2 yes Figure 1 Sectional view of AA in the middle;

[0029] Figure 3 yes Figure 1 Cross-sectional view of the middle BB;

[0030] In the figure, 1. bridge inspection road; 2. inner frame; 2-1. third longitudinal rod; 2-2. support rod; 2-3. fourth longitudinal rod; 2-4. third cross rod; 2-5. bottom plate; 3. outer frame 3-1. first longitudinal rod; 3-2. vertical rod; 3-3. second longitudinal rod; 3-4. second cross rod; 4. cantilever beam; 4-1. first cross rod; 5. operating platform; 5-1. operating platform body; 5-2. first anti-skid plate; 5-3. baffle; 6. outer wall of bridge railing base; 7. walking wheel; 8. counterweight; 8-1. second anti-skid plate; 9. drop chute; 10. scissors support. DETAILED DESCRIPTION

[0031] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0032] Reference Figure 1 to Figure 3 As shown, the utility model provides a mobile operating platform for bridge edge operations.

[0033] Example 1

[0034] It includes an inner frame 2 arranged in the bridge inspection road 1, an outer frame 3 arranged on the outside of the bridge, an outrigger 4 fixedly connected between the outer frame and the inner frame, an operating platform 5 arranged on the outer frame, running wheels 7 arranged between the inner frame and the surface of the bridge inspection road, between the outer frame and the outer wall surface 6 of the bridge railing base, and a counterweight 8 placed on the inner frame; the running wheels have the same travel direction and are attached to the bridge; the running wheels have a locking function under the action of external forces. That is, when a running wheel with a pedal is used, the running wheel is locked when the pedal is stepped on.

[0035] In this embodiment, inner and outer frames are provided, and the two are connected by an outrigger beam to form the entire frame structure. The frame structure spans the bridge guardrail, and the portion of the frame structure located on the inner side of the bridge is placed on the bridge's inspection road through running wheels, while the portion of the frame structure located on the outer side of the bridge rests against the outer wall surface of the bridge guardrail base through running wheels. The design of two running wheels facilitates the movement of the operating platform on the bridge, and also avoids collision between the outer frame and the bridge guardrail base during the movement of the operating platform as a whole; it solves the problem of the need to lay tracks on the bridge deck in advance in the prior art, avoids damage to the bridge deck, and reduces the materials required for the tracks. In addition, due to the addition of multiple running wheels, the entire operating platform is easy to move to meet the needs of different construction locations, which is convenient to use, improves construction efficiency, and enhances the flexibility of the entire operating platform.

[0036] Preferably, the surface of the bridge access road used in the device is inclined, and the access road is close to the middle of the bridge deck as the low point; at this time, based on the inclined state of the access road surface, the running wheels located between the outer frame and the outer wall surface of the bridge railing base are attached to the outer wall surface of the bridge railing base. In addition, the surface of the bridge access road used in the device can also be horizontal, but a new guide structure needs to be set.

[0037] Example 2

[0038] The structure and principle of Example 2 are similar to those of Example 1, and the difference is that: a preferred structural form of an outrigger beam is provided. The outrigger beam is composed of a plurality of horizontally arranged first crossbars 4-1, which are divided into two layers, upper and lower, and each layer of first crossbars is arranged in parallel and spaced apart, and the first crossbars are perpendicular to the length direction of the bridge; the height of the first crossbar is higher than the height of the bridge guardrail; the top ends of the outer frame and the inner frame are respectively fixed on the outer and inner sections of the first crossbar located on the guardrail. In this embodiment, the number of first crossbars is an even number, divided into two layers, upper and lower, and each layer contains at least 2 crossbars; in this embodiment, a total of 8 crossbars are included.

[0039] In Example 1-2, a preferred structure of the outer frame is provided. The outer frame includes

[0040] First longitudinal bars 3-1, two first longitudinal bars are horizontally arranged between two layers of first cross bars, the first longitudinal bars and the first cross bars are perpendicular to each other, and the two are fixedly connected;

[0041] Vertical rods 3-2, four vertical rods are vertically arranged at the intersection of the two first longitudinal rods and the two outermost first cross rods in the same horizontal plane, and the tops of the vertical rods are fixedly connected to the first cross rods and the first longitudinal rods at the same time;

[0042] The second longitudinal rod 3-3 and the second cross rod 3-4, the two second cross rods and the two second longitudinal rods are arranged in a crisscross pattern, and the two constitute a tic-tac-toe structure; the multi-layer tic-tac-toe structure is fixed on the vertical rod at intervals in the vertical direction, and at least two layers of the tic-tac-toe structure are provided; in this embodiment, three layers of the tic-tac-toe structure are provided. In any layer of the tic-tac-toe structure, the two second cross rods are respectively on the same vertical plane as the two outermost first cross rods; the two second longitudinal rods are respectively located on the vertical plane where the two first longitudinal rods are located;

[0043] The operating platform is located on a tic-tac-toe structure at the bottom layer.

[0044] The operating platform includes an operating platform body 5-1 placed on the bottom layer of the tic-tac-toe structure, a first anti-skid plate 5-2 placed on the operating platform body, and baffles 5-3 located around the operating platform body. The anti-skid plate is set to reduce the accidental fall of construction workers due to the smooth surface of the operating platform when they are working on the operating platform; in addition, the baffle is set to prevent the tools used in the construction process, the falling materials, etc. from falling, so as to improve the work safety.

[0045] Example 3

[0046] The structure and principle of Example 3 are similar to those of Example 2, and the difference is that: on the basis of Example 2, in order to facilitate the collection of waste generated during the construction process and avoid the safety risk caused by waste falling from high altitude; the operating platform body extends from the bottom layer of the well-shaped structure to the bridge deck to form a material drop chute 9, and the second cross bar of the bottom layer of the well-shaped structure also needs to extend toward the bridge deck. The operating platform is provided with a material drop chute, a baffle, and a protective net to prevent the tools used in the construction process and the drop generated from falling, thereby improving work safety.

[0047] In embodiments 1-3, a preferred structure of the inner frame is provided. The inner frame comprises

[0048] The third longitudinal bars 2-1 are arranged horizontally between the two layers of the first transverse bars, the third longitudinal bars are perpendicular to the first transverse bars, and the two are fixedly connected;

[0049] Support rods 2-2, four support rods are vertically arranged at the intersection of two third longitudinal rods and the two outermost first transverse rods in the same horizontal plane, and the top of the vertical rod is fixedly connected to the first transverse rod and the third longitudinal rod at the same time;

[0050] The fourth longitudinal rod 2-3, the third cross rod 2-4 and the bottom plate 2-5, the third cross rod and the fourth longitudinal rod are arranged in a crisscross pattern, the bottom plate is placed on the third cross rod and the fourth longitudinal rod, and the three constitute a base; the counterweight block is arranged on the base.

[0051] In Embodiment 3, a second anti-slip plate 8-1 is provided between the base and the counterweight block to prevent the configuration plate from sliding on the base.

[0052] Example 4

[0053] The structure and principle of the fourth embodiment are similar to those of the third embodiment, and the difference is that: in order to improve the integrity and structural strength of the inner frame and the outer frame, a scissor brace 10 is also included, and a scissor brace is provided between the first longitudinal rod and the second longitudinal rod, and between the third longitudinal rod and the fourth longitudinal rod. The scissor brace connects the first longitudinal rod and the second longitudinal rod, and the third longitudinal rod and the fourth longitudinal rod located on the same vertical plane into a whole, thereby improving the overall strength of the outer frame and the inner frame, and improving the safety during construction.

[0054] The above are only preferred embodiments of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of patent application of the present invention still fall within the protection scope of the present invention.

Claims

1. Mobile operating platform for bridge edge operation, characterized by: It includes an inner frame arranged in the bridge inspection road, an outer frame arranged on the outside of the bridge, an outrigger fixedly connected between the outer frame and the inner frame, an operating platform arranged on the outer frame, running wheels arranged between the inner frame and the surface of the bridge inspection road and between the outer frame and the outer wall of the bridge railing base, and a counterweight placed on the inner frame; the running wheels have the same moving direction and are attached to the bridge; the running wheels have a locking function under the action of external force.

2. The mobile operating platform for bridge edge operations according to claim 1 is characterized by: The surface of the bridge maintenance road is inclined, and the low point is near the middle of the bridge deck.

3. The mobile operating platform for bridge edge operations according to claim 1 is characterized by: At least three running wheels are arranged between the inner frame and the base, and at least one running wheel is arranged between the outer frame and the outer wall surface of the bridge railing base.

4. The mobile operating platform for bridge edge operations according to any one of claims 1 to 3, characterized in that: The outrigger is composed of multiple horizontally arranged first cross bars, which are divided into two layers, the upper and lower layers. The first cross bars of each layer are arranged in parallel and spaced apart, and the first cross bars are perpendicular to the length direction of the bridge; the height of the first cross bar is higher than the height of the bridge guardrail; the top ends of the outer frame and the inner frame are respectively fixed on the outer section and inner section of the first cross bar located on the railing.

5. The mobile operating platform for bridge edge operations according to claim 4 is characterized in that: The outer frame includes First longitudinal bars, two first longitudinal bars are horizontally arranged between the two layers of first cross bars, the first longitudinal bars and the first cross bars are perpendicular to each other, and the two are fixedly connected; Vertical rods, four vertical rods are vertically arranged at the intersection of the two first longitudinal rods and the two outermost first cross rods in the same horizontal plane, and the tops of the vertical rods are fixedly connected to the first cross rods and the first longitudinal rods at the same time; The second longitudinal rods and the second transverse rods, the two second transverse rods and the two second longitudinal rods are arranged in a crisscross pattern, and the two constitute a tic-tac-toe structure; the multi-layer tic-tac-toe structure is fixed on the vertical rods at intervals in the vertical direction, and at least two layers of the tic-tac-toe structure are provided; in any layer of the tic-tac-toe structure, the two second transverse rods are respectively on the same vertical plane as the two outermost ones of the first transverse rods; the two second longitudinal rods are respectively located on the vertical plane where the two first longitudinal rods are located; The operating platform is located on a tic-tac-toe structure at the bottom layer.

6. The mobile operating platform for bridge edge operations according to claim 5 is characterized by: The operating platform comprises an operating platform body arranged on the bottom layer of the tic-tac-toe structure, a first anti-slip plate arranged on the operating platform body, and baffles arranged around the operating platform body.

7. The mobile operating platform for bridge edge operations according to claim 6 is characterized by: The operating platform body extends from the bottom layer of the tic-tac-toe structure toward the bridge deck to form a material drop chute. Similarly, the second cross bar of the bottom layer of the tic-tac-toe structure also needs to extend toward the bridge deck.

8. The mobile operating platform for bridge edge operations according to claim 1 or 5, characterized in that: The inner frame includes The third longitudinal bars are arranged horizontally between the two layers of the first transverse bars. The third longitudinal bars are perpendicular to the first transverse bars and are fixedly connected. Support rods, four support rods are vertically arranged at the intersection of the two third longitudinal rods and the two outermost first transverse rods in the same horizontal plane, and the tops of the vertical rods are fixedly connected to the first transverse rods and the third longitudinal rods at the same time; The fourth longitudinal rod, the third transverse rod and the bottom plate, the third transverse rod and the fourth longitudinal rod are arranged in a crisscross pattern, the bottom plate is placed on the third transverse rod and the fourth longitudinal rod, and the three constitute a base; the counterweight block is arranged on the base.

9. The mobile operating platform for bridge edge operations according to claim 8, characterized in that: It also includes scissor braces, which are arranged between the first longitudinal rod and the second longitudinal rod, and between the third longitudinal rod and the fourth longitudinal rod.

10. The mobile operating platform for bridge edge operations according to claim 8, characterized in that: A second anti-skid plate is provided between the base and the counterweight.

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