Sliding trolley for mounting and overhauling lower component of highway bridge flange plate

Abstract

A highway bridge flange plate lower component installation and maintenance sliding trolley comprises a horizontal supporting part, an inner side supporting part, an outer side supporting part and an operation frame, the horizontal supporting part is horizontally arranged and stretches across a bridge guardrail, and the inner side supporting part and the outer side supporting part are vertically connected to the two ends of the horizontal supporting part respectively; the inner side supporting part is arranged on the inner side of the bridge guardrail, the outer side supporting part is arranged on the outer side of the bridge guardrail, the opposite sides of the inner side supporting part and the outer side supporting part are provided with an inner side walking wheel device and an outer side walking wheel device respectively, and the bottom of the horizontal supporting part is provided with a top walking wheel device. The inner side walking wheel device, the outer side walking wheel device and the top walking wheel device are respectively propped against the inner side, the outer side and the top surface of the bridge guardrail in a rolling manner. The operation frame is erected on a bridge guardrail, a worker can go down into the operation frame to operate through the pedal plate, and bridge component installation or bridge maintenance work can be achieved while walking and stopping are carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and particularly relates to a sliding trolley for installing and maintaining components under the flange plate of a highway bridge. Background Art

[0002] At present, in the maintenance and component installation of highway bridges in China, such as in the installation project of drainage pipes, the commonly used installation methods are electric lifting baskets, maintenance vehicles, aerial work vehicles, etc. The labor input for installing drainage pipes is large, and the unit price is high. The costs involved in the unit price include labor costs, equipment transportation costs, equipment rental / purchase costs, food, accommodation and labor costs for operators and drivers, equipment fuel consumption costs, etc. There are the following disadvantages:

[0003] 1. Whether it is to set up a scaffold or use a maintenance vehicle or an aerial work vehicle to install drainage pipes, the preparatory work before construction is cumbersome, inflexible, and it is not convenient to move the vehicle back and forth;

[0004] 2. Setting up a scaffold involves a large cost and takes a long time, and the work efficiency is too low;

[0005] 3. Large work vehicles affect traffic.

[0006] Therefore, it is very important to study a portable, flexible, movable and controllable sliding device on the bridge guardrail to make the construction more rapid and convenient. Content of the Utility Model

[0007] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a sliding trolley for installing and maintaining components under the flange plate of a highway bridge.

[0008] To solve the above problems, the utility model adopts the following technical scheme:

[0009] A sliding trolley for installing and maintaining components under the flange plate of a highway bridge includes a horizontal support part, an inner support part, an outer support part and an operation frame. The horizontal support part is horizontally arranged and spans above the bridge guardrail. The inner support part and the outer support part are vertically connected to both ends of the horizontal support part respectively. The inner support part is on the inner side of the bridge guardrail, and the outer support part is on the outer side of the bridge guardrail. Inner walking wheel devices and outer walking wheel devices are respectively arranged on the opposite sides of the inner support part and the outer support part. A top walking wheel device is arranged at the bottom of the horizontal support part. The inner walking wheel devices, the outer walking wheel devices and the top walking wheel device are respectively rollably abutted against the inner side, the outer side and the top surface of the bridge guardrail. The lower end of the outer support part extends to the lower surface of the bridge flange plate, and an operation frame is connected to the lower end of the outer support part. One side of the operation frame extends towards the drainage pipe on the lower surface of the bridge flange plate. An operation tabletop is arranged at the bottom of the operation frame, and a plurality of footrests are distributed from top to bottom on the outer support part.

[0010] Preferably, the horizontal support portion includes two parallel top beams and cross beams, the inner support portion includes two parallel inner beams, the outer support portion includes two parallel outer beams and a middle beam, the operation frame includes two parallel main operation frame beams. The two cross beams span above the bridge guardrail, the two top beams are arranged in parallel above the two cross beams, and both ends of the two top beams and cross beams are vertically connected to the two inner beams and outer beams respectively. The upper ends of the two middle beams are respectively connected to the bottoms of the two cross beams. A number of horizontally arranged longitudinal support rods are respectively connected between the two inner beams and the two middle beams, and a number of horizontally arranged cross support rods are connected between the outer beam and the middle beam. The lower ends of the two outer beams and the two middle beams are respectively connected to the four ends of the two main operation frame beams. The top traveling wheel device is connected to the lower surface of the cross beam, the outer traveling wheel device is connected to the middle beam, and the inner traveling wheel device is connected to the inner beam. The top traveling wheel device abuts against the upper surface of the bridge guardrail, the outer traveling wheel device abuts against the outer surface of the bridge guardrail, and the inner traveling wheel device abuts against the inner surface of the bridge guardrail.

[0011] Preferably, a number of horizontally arranged operation frame guardrails are connected between the outer beam and the middle beam at the position above the main operation frame beam.

[0012] Preferably, a number of arched anti-falling guardrails are connected between the two outer beams.

[0013] Preferably, all connection positions between the inner beam, middle beam, outer beam, top beam, cross beam, cross support rod, longitudinal support rod, operation frame guardrail, main operation frame beam, and arched anti-falling guardrail are fixed by welding.

[0014] Preferably, a number of longitudinal support rods between the two middle beams are equally spaced from top to bottom, and the distance between any two longitudinal support rods is 30 - 50 cm. The footrest is connected to the longitudinal support rod.

[0015] Preferably, the distance between any two longitudinal support rods is 40 cm.

[0016] Preferably, the footrest is a flip-up footrest.

[0017] Preferably, the footrest includes a limit hole plate, a pin shaft, a pedal, and a pedal diagonal brace. The limit hole plate is connected to the upper side of the longitudinal support rod, the pin shaft is connected to one side of the pedal, the pedal is rotatably connected to one side of the limit hole plate through the pin shaft, the pedal diagonal brace is a right triangle, one right-angled side of which is connected to the bottom of the pedal, and the other right-angled side can abut against the side of the longitudinal support rod to form a support for the pedal.

[0018] Preferably, the outer traveling wheel device includes an outer traveling wheel pin shaft, outer traveling wheels, and two outer traveling wheel positioning plates. The two outer traveling wheel positioning plates are connected in parallel to one side of the middle beam. The outer traveling wheel pin shaft is connected to the two outer traveling wheel positioning plates. The outer traveling wheels are rotatably connected to the outer traveling wheel pin shaft between the two outer traveling wheel positioning plates. The outer traveling wheels abut against the outer surface of the bridge railing. The top traveling wheel device includes a top traveling wheel pin shaft, top traveling wheels, and two top traveling wheel positioning plates. The two top traveling wheel positioning plates are connected in parallel to one side of the middle beam. The top traveling wheel pin shaft is connected to the two top traveling wheel positioning plates. The top traveling wheels are rotatably connected to the top traveling wheel pin shaft between the two top traveling wheel positioning plates. The top traveling wheels abut against the top surface of the bridge railing.

[0019] Advantages of the present utility model

[0020] Compared with the prior art, the advantages of the present utility model are as follows:

[0021] The present utility model is erected on the bridge railing through the horizontal support portion, the inner support portion, and the outer support portion, and the inner traveling wheel device, the outer traveling wheel device, and the top traveling wheel device respectively abut against the inner, outer, and top surfaces of the bridge railing. Workers can descend into the operation frame through the footrest to install bridge components or perform bridge maintenance work. It can achieve stopping and starting immediately, with convenient movement. The structure of the present utility model is simple, easy to erect, time-saving, highly efficient, economically applicable, and does not interrupt traffic during operation. Description of the drawings

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is a rear structural diagram of the present utility model;

[0024] Figure 3 is a side view of the present utility model;

[0025] Figure 4 is a detailed view of the footrest, the outer traveling wheel device, and the top traveling wheel device of the present utility model;

[0026] Figure 5 is a detailed view of the footrest of the present utility model. Detailed implementation manners

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper / lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided / sleeved with", "socketed", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] Please refer to Figures 1-5, the present utility model provides a technical solution: a sliding trolley for installing and maintaining components under the flange plate of a highway bridge, including a horizontal support part, an inner support part, an outer support part and an operation frame. The horizontal support part is horizontally arranged and spans above the bridge guardrail C. The inner support part and the outer support part are vertically connected to both ends of the horizontal support part respectively. The inner support part is on the inner side of the bridge guardrail C, and the outer support part is on the outer side of the bridge guardrail C. Inner walking wheel devices 15 and outer walking wheel devices 13 are respectively arranged on the opposite sides of the inner support part and the outer support part. A top walking wheel device 14 is arranged at the bottom of the horizontal support part. The inner walking wheel devices 15, the outer walking wheel devices 13 and the top walking wheel device 14 are respectively rollably abutted against the inner side, the outer side and the top surface of the bridge guardrail C. The lower end of the outer support part extends to the lower surface of the bridge flange plate A, and an operation frame is connected to the lower end of the outer support part. One side of the operation frame extends towards the drain pipe B on the lower surface of the bridge flange plate A. An operation table 10 is arranged at the bottom of the operation frame. A plurality of footrests 12 are distributed from top to bottom on the outer support part.

[0031] The present utility model is erected on the bridge guardrail C through the horizontal support part, the inner support part and the outer support part, and the inner walking wheel devices 15, the outer walking wheel devices 13 and the top walking wheel device 14 are respectively abutted against the inner side, the outer side and the top surface of the bridge guardrail C. Workers can get into the operation frame through the footrests 12 to install bridge components (such as the drain pipe B) or carry out bridge maintenance work. It can achieve stopping and starting immediately, and is convenient to move. The structure of the present utility model is simple, easy to set up, time-saving, high in work efficiency, economical and applicable, and does not interrupt traffic during the operation.

[0032] Specifically, the horizontal support portion includes two parallel top beams 4 and cross beams 5. The inner support portion includes two parallel inner beams 1. The outer support portion includes two parallel outer beams 3 and middle beams 2. The operation frame includes two parallel main operation frame beams 9. The two cross beams 5 span above the bridge guardrail C. The two top beams 4 are arranged in parallel above the two cross beams 5. The two ends of the two top beams 4 and cross beams 5 are respectively vertically connected to the two inner beams 1 and outer beams 3. The upper ends of the two middle beams 2 are respectively connected to the bottoms of the two cross beams 5. A number of horizontally arranged longitudinal support rods 7 are respectively connected between the two inner beams 1 and the two middle beams 2. A number of horizontally arranged cross support rods 6 are connected between the outer beam 3 and the middle beam 2. The lower ends of the two outer beams 3 and the two middle beams 2 are respectively connected to the four ends of the two main operation frame beams 9, thereby forming a stable trolley support. The top traveling wheel device 14 is connected to the lower surface of the cross beam 5. The outer traveling wheel device 13 is connected to the middle beam 2. The inner traveling wheel device 15 is connected to the inner beam 1. The top traveling wheel device 14 abuts against the upper surface of the bridge guardrail C. The outer traveling wheel device 13 abuts against the outer surface of the bridge guardrail C. The inner traveling wheel device 15 abuts against the inner surface of the bridge guardrail C, thereby supporting the trolley support and stably installing it on the bridge guardrail C.

[0033] Further, a number of horizontally arranged operation frame guardrails 8 are connected between the outer beam 3 and the middle beam 2 at a position above the main operation frame beam 9. Through the operation frame guardrails 8, the protection is strengthened to prevent personnel from falling out of the guardrail.

[0034] Further, a number of arched anti-falling guardrails 11 are connected between the two outer beams 3 to prevent personnel from falling when getting on and off the trolley.

[0035] Specifically, all connection positions between the inner beam 1, middle beam 2, outer beam 3, top beam 4, cross beam 5, cross support rod 6, longitudinal support rod 7, operation frame guardrail 8, main operation frame beam 9, and arched anti-falling guardrail 11 are fixed by welding. The welding method is used to ensure the overall stability of the trolley.

[0036] Further, a number of longitudinal support rods 7 between the two middle beams 2 are equidistantly distributed from top to bottom. The distance between any two longitudinal support rods 7 is 30 - 50 cm. Preferably, the distance between any two longitudinal support rods 7 is 40 cm. The footrest 12 is connected to the longitudinal support rod 7 to facilitate personnel getting on and off the trolley.

[0037] Further, the footrest 12 is a flip-up footrest. Specifically, the footrest 12 includes a limit hole plate 12.1, a pin shaft 12.2, a foot pedal 12.3, and a foot pedal brace 12.4. The limit hole plate 12.1 is connected to the upper side of the longitudinal brace 7. The pin shaft 12.2 is connected to one side of the foot pedal 12.3. The foot pedal 12.3 is rotatably connected to one side of the limit hole plate 12.1 through the pin shaft 12.2. The foot pedal brace 12.4 is a right triangle, one right-angled side of which is connected to the bottom of the foot pedal 12.3, and the other right-angled side can abut against the side surface of the longitudinal brace 7 to form a support for the foot pedal 12.3, facilitating personnel to get on and off the trolley.

[0038] Specifically, the outer walking wheel device 13 includes an outer walking wheel pin shaft 13.2, an outer walking wheel 13.3, and two outer walking wheel positioning plates 13.1. The two outer walking wheel positioning plates 13.1 are parallelly connected to one side of the middle beam 2. The outer walking wheel pin shaft 13.2 is connected to the two outer walking wheel positioning plates 13.1. The outer walking wheel 13.3 is rotatably connected to the outer walking wheel pin shaft 13.2 between the two outer walking wheel positioning plates 13.1. The outer walking wheel 13.3 abuts against the outer surface of the bridge guardrail C. The top walking wheel device 14 includes a top walking wheel pin shaft 14.2, a top walking wheel 14.3, and two top walking wheel positioning plates 14.1. The two top walking wheel positioning plates 14.1 are parallelly connected to one side of the middle beam 2. The top walking wheel pin shaft 14.2 is connected to the two top walking wheel positioning plates 14.1. The top walking wheel 14.3 is rotatably connected to the top walking wheel pin shaft 14.2 between the two top walking wheel positioning plates 14.1. The top walking wheel 14.3 abuts against the top surface of the bridge guardrail C. Specifically, the structure of the inner walking wheel device 15 is the same as that of the outer walking wheel device 13 and the top walking wheel device 14.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0040] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A highway bridge flange plate lower component installation and maintenance sliding trolley, characterized in that: The invention comprises a horizontal support part, an inner support part, an outer support part and an operation frame, wherein the horizontal support part is arranged horizontally, the horizontal support part is across the bridge guardrail (C), the inner support part and the outer support part are respectively vertically connected to the two ends of the horizontal support part, the inner support part is on the inner side of the bridge guardrail (C), the outer support part is on the outer side of the bridge guardrail (C), the inner support part and the outer support part are respectively provided with an inner walking wheel device (15) and an outer walking wheel device (13) on the opposite sides of the inner support part and the outer support part, and the bottom of the horizontal support part is provided with a top walking wheel device The inner running wheel device (15), the outer running wheel device (13) and the top running wheel device (14) are rollably connected to the inner side, the outer side and the top surface of the bridge guardrail (C), respectively; the lower end of the outer supporting portion extends to the lower surface of the bridge flange plate (A); the lower end of the outer supporting portion is connected to an operating frame; one side of the operating frame extends to the drainage pipe (B) on the lower surface of the bridge flange plate (A); an operating table (10) is arranged at the bottom of the operating frame; and a plurality of foot pedals (12) are arranged on the outer supporting portion from top to bottom.

2. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 1, characterized in that: The horizontal support portion comprises two parallel top beams (4) and a cross beam (5); the inner support portion comprises two parallel inner beams (1); the outer support portion comprises two parallel outer beams (3) and a middle beam (2); the operation frame comprises two parallel operation frame main beams (9); the two cross beams (5) span across the bridge guardrail (C); the two top beams (4) are arranged in parallel above the two cross beams (5); the two top beams (4) and the cross beams (5) are respectively connected vertically to the two inner beams (1) and the outer beams (3); the upper ends of the two middle beams (2) are respectively connected to the bottoms of the two cross beams (5); and a plurality of horizontal A longitudinal brace (7) is provided, a plurality of horizontally arranged transverse braces (6) are connected between the outer beam (3) and the middle beam (2), the lower ends of the two outer beams (3) and the two middle beams (2) are respectively connected to the four ends of the two operating frame main beams (9), the top running wheel device (14) is connected to the lower surface of the cross beam (5), the outer running wheel device (13) is connected to the middle beam (2), the inner running wheel device (15) is connected to the inner beam (1), the top running wheel device (14) abuts against the upper surface of the bridge guardrail (C), the outer running wheel device (13) abuts against the outer surface of the bridge guardrail (C), and the inner running wheel device (15) abuts against the inner surface of the bridge guardrail (C).

3. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 2, characterized in that: A plurality of horizontally arranged operating frame guardrails (8) are connected between the outer side beam (3) and the middle beam (2) at a position above the operating frame main beam (9).

4. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 3, characterized in that: A plurality of arched anti-falling guardrails (11) are provided and connected between the two outer side beams (3).

5. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 4, characterized in that: All connection positions between the inner beam (1), the middle beam (2), the outer beam (3), the top beam (4), the cross beam (5), the cross brace (6), the longitudinal brace (7), the operating frame guardrail (8), the operating frame main beam (9), and the arched anti-fall guardrail (11) are fixed by welding.

6. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 2, characterized in that: A plurality of longitudinal support rods (7) between the two center beams (2) are evenly spaced from top to bottom, and the distance between any two longitudinal support rods (7) is 30-50 cm. The footrest (12) is connected to the longitudinal support rods (7).

7. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 6, characterized in that: The distance between any two longitudinal braces (7) is 40 cm.

8. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 6, characterized in that: The foot pedal (12) is a reversible foot pedal.

9. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 8, characterized in that: The foot pedal (12) comprises a position-limiting orifice plate (12.1), a pin shaft (12.2), a pedal (12.3) and a pedal diagonal brace (12.4); the position-limiting orifice plate (12.1) is connected to the upper side of the longitudinal brace rod (7); the pin shaft (12.2) is connected to one side of the pedal (12.3); the pedal (12.3) is rotatably connected to one side of the position-limiting orifice plate (12.1) via the pin shaft (12.2); and the pedal diagonal brace (12.4) is a right-angled triangle, one right-angled side of which is connected to the bottom of the pedal (12.3), and the other right-angled side of which can abut against the side of the longitudinal brace rod (7) to form support for the pedal (12.3).

10. A highway bridge flange lower component installation and maintenance sliding trolley according to claim 2, characterized in that: The outer running wheel device (13) comprises an outer running wheel pin shaft (13.2), an outer running wheel (13.3) and two outer running wheel positioning plates (13.1), the two outer running wheel positioning plates (13.1) being connected in parallel to one side of the middle beam (2), the outer running wheel pin shaft (13.2) being connected to the two outer running wheel positioning plates (13.1), the outer running wheel (13.3) being rotatably connected to the outer running wheel pin shaft (13.2) between the two outer running wheel positioning plates (13.1), and the outer running wheel (13.3) being in contact with the outer surface of the bridge guardrail (C), The top running wheel device (14) comprises a top running wheel pin shaft (14.2), a top running wheel (14.3) and two top running wheel positioning plates (14.1); the two top running wheel positioning plates (14.1) are connected in parallel to one side of the middle beam (2); the top running wheel pin shaft (14.2) is connected to the two top running wheel positioning plates (14.1); the top running wheel (14.3) is rotatably connected to the top running wheel pin shaft (14.2) between the two top running wheel positioning plates (14.1); and the top running wheel (14.3) abuts against the top surface of the bridge guardrail (C).

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