Progressive working platform for bridge engineering

Abstract

The utility model relates to the technical field of bridge engineering, in particular to a progressive working platform for bridge engineering, which is characterized in that the left end and the right end of a support plate are fixedly connected with adjusting boxes, the front end and the rear end of each adjusting box are slidably connected with an adjusting sleeve, and the outer end of each adjusting sleeve is fixedly connected with a limiting clamping frame; according to the automatic advancing platform for the bridge, the advancing idler wheels can rotate through rotation of the first motor, then the platform body can be driven to automatically advance on a steel pipe frame of the bridge, a first worm can drive a first worm wheel to rotate through rotation of a second motor, and the first worm wheel can drive a second worm wheel to rotate through rotation of the second motor. The threaded shaft can drive the adjusting sleeve to move front and back, the limiting clamping frame can drive the advancing rolling wheels to move front and back, the outer side of a bridge steel frame can be clamped and sleeved with the limiting clamping frame, and therefore the working platform can automatically advance, and meanwhile the safety of workers can be guaranteed.

Description

Technical Field

[0001] The utility model relates to a progressive working platform for bridge engineering, belonging to the technical field of bridge engineering. Background Art

[0002] Bridge engineering refers to the work process of bridge survey, design, construction, maintenance and verification, as well as the science and engineering technology of studying this process. It is a branch of civil engineering. The working platform used in bridge engineering mainly provides workers with aerial operations to facilitate comprehensive construction of the bridge.

[0003] During the use of existing working platforms for bridge projects, the working platforms used are difficult to move automatically. Therefore, after the construction of a certain part of the bridge is completed, the construction position of the working platform needs to be manually adjusted before the construction of a fixed area can be carried out, which reduces the construction efficiency. Moreover, when the working platform is in use, it is also difficult to make gradual adjustments when constructing at different heights of the bridge, and it is difficult to automatically adjust the height according to the construction progress of the bridge, which increases the difficulty of bridge construction. Utility Model Content

[0004] The purpose of the utility model is to provide a progressive working platform for bridge engineering to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A progressive working platform for bridge engineering, comprising a support plate, a fixed box and a platform body, the left and right ends of the support plate are fixedly connected with an adjustment box, the front and rear ends of the adjustment box are slidably connected with an adjustment sleeve, the outer end of the adjustment sleeve is fixedly connected with a limit card frame, the inner side of the limit card frame is rotatably connected with a travel roller, the upper middle position of the support plate is fixedly connected with a fixed box, the inner middle position of the fixed box is rotatably connected with a winding roller, the outer side of the winding roller is wrapped with a transmission steel cable, the lower end of the transmission steel cable is fixedly connected with a fixed frame, and the lower end of the fixed frame is fixedly connected with the platform body.

[0007] Furthermore, there are two limit card frames, and a first motor is fixedly connected to the left side of the rear end of the limit card frame located at the rear end, and an output shaft of the first motor is fixedly connected to the traveling roller.

[0008] Furthermore, there are two adjusting boxes, and a second motor is fixedly connected to the right side of the upper end of the adjusting box located on the left side, a first worm is fixedly connected to the lower end of the output shaft of the second motor, a first worm is meshingly connected to the left side of the first worm, the first worm wheel is rotationally connected to the adjusting box, the front and rear ends of the first worm wheel are fixedly connected to a threaded shaft, and the threaded shaft is spirally connected to the adjusting sleeve.

[0009] Furthermore, a fixing rod is fixedly connected to the inside of the adjustment box at the right end, and the fixing rod is slidably connected to the adjustment sleeve.

[0010] Furthermore, a third motor is fixedly connected to the rear side of the upper end of the fixed box, a second worm is fixedly connected to the lower end of the output shaft of the third motor, a second worm wheel is meshingly connected to the right side of the second worm wheel, and the second worm wheel is fixedly connected to the winding roller.

[0011] Furthermore, a limiting telescopic rod is fixedly connected at a corner position of the lower end of the support plate, and the limiting telescopic rod is fixedly connected to the platform body.

[0012] The beneficial effects of the utility model are:

[0013] The utility model enables the travel roller to rotate by arranging the first motor, thereby enabling the travel roller to drive the platform body to automatically travel on the steel pipe frame of the bridge, and enables the first worm gear to drive the first worm wheel to rotate by the rotation of the second motor, so that the threaded shaft can drive the adjusting sleeve to move forward and backward, so that the limit card frame can drive the travel roller to move forward and backward, so that the position of the travel roller can be adjusted according to the distance between the steel pipes on the bridge steel frame, and the limit card frame can be clamped on the outer side of the bridge steel frame through the function of the provided limit card frame to prevent the travel roller from falling off, so that the working platform can automatically travel while ensuring the safety of the staff. The utility model utilizes the rotation of the third motor to enable the second worm gear to drive the second worm wheel to rotate, so that the winding roller can rotate, and then the transmission cable can be wound or extended, so that the transmission cable can drive the fixed frame to move up and down, and under the limiting action of the limiting telescopic rod, the set working platform can automatically move up and down, so that the staff can perform progressive construction processing on different heights of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 This is the main view of a progressive working platform for bridge engineering of the utility model;

[0016] Figure 2 It is a top-sectional view of the installation structure of a support plate, an adjustment box and a limit card frame of a progressive working platform for bridge engineering of the utility model;

[0017] Figure 3 The utility model is a progressive working platform for bridge engineering Figure 2 The enlarged view of point A in the middle;

[0018] Figure 4 This is a left-side cross-sectional view of the installation structure of a support plate, a fixing box and a fixing frame of a progressive working platform for bridge engineering of the utility model;

[0019] Numbers in the figure: 1. Support plate; 2. Adjustment box; 3. Adjustment sleeve; 4. Limit card frame; 5. Travel roller; 6. Fixed box; 7. Winding roller; 8. Transmission cable; 9. Fixed frame; 10. Platform body; 11. First motor; 12. Second motor; 13. First worm; 14. First worm wheel; 15. Threaded shaft; 16. Fixed rod; 17. Third motor; 18. Second worm; 19. Second worm wheel; 20. Limit telescopic rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0022] A progressive working platform for bridge engineering, comprising a support plate 1, a fixed box 6 and a platform body 10, the left and right ends of the support plate 1 are fixedly connected with an adjustment box 2, the front and rear ends of the adjustment box 2 are slidably connected with an adjustment sleeve 3, the outer end of the adjustment sleeve 3 is fixedly connected with a limit card frame 4, the inner side of the limit card frame 4 is rotatably connected with a travel roller 5, the number of the limit card frames 4 is two, the rear end left side of the limit card frame 4 at the rear end is fixedly connected with a first motor 11, the output shaft of the first motor 11 is fixedly connected to the travel roller 5, the adjustment box 2 There are two of them, a second motor 12 is fixedly connected to the right side of the upper end of the regulating box 2 on the left side, a first worm 13 is fixedly connected to the lower end of the output shaft of the second motor 12, a first worm 13 is meshingly connected to the left side of the first worm 13, the first worm wheel 14 is rotationally connected to the regulating box 2, the front and rear ends of the first worm wheel 14 are fixedly connected to a threaded shaft 15, the threaded shaft 15 is spirally connected to the regulating sleeve 3, a fixing rod 16 is fixedly connected to the inside of the regulating box 2 at the right end, and the fixing rod 16 is slidably connected to the adjusting sleeve 3;

[0023] In this embodiment, the travel roller 5 can rotate by setting the rotation of the first motor 11, so that the travel roller 5 can drive the platform body 10 to automatically move on the steel pipe frame of the bridge, and the first worm 13 can drive the first worm wheel 14 to rotate by rotating the second motor 12, so that the threaded shaft 15 can drive the adjusting sleeve 3 to move forward and backward, so that the limit card frame 4 can drive the travel roller 5 to move forward and backward, so that the position of the travel roller 5 can be adjusted according to the distance between the steel pipes on the bridge steel frame, and the limit card frame 4 can be clamped on the outside of the bridge steel frame to prevent the travel roller 5 from falling off, so that the working platform can move automatically while ensuring the safety of the staff.

[0024] Example 2 Please refer to Figure 1 and Figure 4 , the difference between this embodiment and embodiment 1 is that: a fixed box 6 is fixedly connected at the middle position of the upper end of the support plate 1, a winding roller 7 is rotatably connected at the middle position inside the fixed box 6, a transmission cable 8 is wrapped around the outer side of the winding roller 7, a fixed frame 9 is fixedly connected at the lower end of the transmission cable 8, a platform body 10 is fixedly connected at the lower end of the fixed frame 9, a third motor 17 is fixedly connected to the rear side of the upper end of the fixed box 6, a second worm 18 is fixedly connected to the lower end of the output shaft of the third motor 17, a second worm gear 19 is meshedly connected to the right side of the second worm 18, the second worm gear 19 is fixedly connected to the winding roller 7, a limited telescopic rod 20 is fixedly connected at the corner position of the lower end of the support plate 1, and the limited telescopic rod 20 is fixedly connected to the platform body 10;

[0025] Through the above technical scheme, the second worm 18 can drive the second worm wheel 19 to rotate by rotating the third motor 17, so that the winding roller 7 can rotate, and then the transmission cable 8 can be wound or extended, so that the transmission cable 8 can drive the fixed frame 9 to move up and down, and under the limiting action of the limiting telescopic rod 20, the set working platform can automatically move up and down, so that the staff can perform progressive construction processing on different heights of the bridge.

[0026] Working principle of the utility model: when the device is in use, the travel roller 5 can be rotated by setting the rotation of the first motor 11, so that the travel roller 5 can drive the platform body 10 to automatically move on the steel pipe frame of the bridge, and the first worm 13 can drive the first worm wheel 14 to rotate by rotating the second motor 12, so that the threaded shaft 15 can drive the adjusting sleeve 3 to move forward and backward, so that the limit card frame 4 can drive the travel roller 5 to move forward and backward, so that the position of the travel roller 5 can be adjusted according to the distance between the steel pipes on the bridge steel frame, and the limit card frame 4 is set It can be clamped on the outside of the bridge steel frame to prevent the traveling roller 5 from falling off, so that the working platform can move automatically while ensuring the safety of the staff, and the rotation of the third motor 17 can make the second worm 18 drive the second worm wheel 19 to rotate, so that the winding roller 7 can rotate, and then the transmission cable 8 can be wound or extended, so that the transmission cable 8 can drive the fixed frame 9 to move up and down, and under the limiting action of the limiting telescopic rod 20, the set working platform can automatically move up and down, so that the staff can perform progressive construction processing on different heights of the bridge.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A progressive working platform for bridge engineering, comprising a support plate (1), a fixing box (6) and a platform body (10), characterized in that: The left and right ends of the support plate (1) are fixedly connected to an adjustment box (2), the front and rear ends of the adjustment box (2) are slidably connected to an adjustment sleeve (3), the outer end of the adjustment sleeve (3) is fixedly connected to a limit clamping frame (4), the inner side of the limit clamping frame (4) is rotatably connected to a travel roller (5), the middle position of the upper end of the support plate (1) is fixedly connected to a fixed box (6), the inner middle position of the fixed box (6) is rotatably connected to a winding roller (7), the outer side of the winding roller (7) is wrapped with a transmission steel cable (8), the lower end of the transmission steel cable (8) is fixedly connected to a fixed frame (9), and the lower end of the fixed frame (9) is fixedly connected to a platform body (10).

2. A bridge engineering progressive working platform according to claim 1, characterized in that: There are two limit card frames (4), and a first motor (11) is fixedly connected to the left side of the rear end of the limit card frame (4) at the rear end, and an output shaft of the first motor (11) is fixedly connected to the travel roller (5).

3. A bridge engineering progressive working platform according to claim 1, characterized in that: There are two regulating boxes (2), the upper right side of the regulating box (2) located on the left side is fixedly connected to a second motor (12), the lower end of the output shaft of the second motor (12) is fixedly connected to a first worm (13), the left side of the first worm (13) is meshingly connected to a first worm wheel (14), the first worm wheel (14) is rotationally connected to the regulating box (2), the front and rear ends of the first worm wheel (14) are fixedly connected to a threaded shaft (15), and the threaded shaft (15) is spirally connected to the regulating sleeve (3).

4. A bridge engineering progressive working platform according to claim 1, characterized in that: A fixing rod (16) is fixedly connected inside the adjusting box (2) at the right end, and the fixing rod (16) is slidably connected to the adjusting sleeve (3).

5. The bridge engineering progressive working platform according to claim 1, characterized in that: A third motor (17) is fixedly connected to the rear side of the upper end of the fixed box (6), a second worm (18) is fixedly connected to the lower end of the output shaft of the third motor (17), a second worm gear (19) is meshedly connected to the right side of the second worm gear (18), and the second worm gear (19) is fixedly connected to the winding roller (7).

6. The bridge engineering progressive working platform according to claim 1, characterized in that: A limiting telescopic rod (20) is fixedly connected at a corner position of the lower end of the support plate (1), and the limiting telescopic rod (20) is fixedly connected to the platform body (10).

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