Steel transportation device for bridge engineering construction

Abstract

The invention discloses a steel transportation device for bridge engineering construction. The steel transportation device comprises a first base, and a second base and a third support are arranged on the two sides of the first base correspondingly. According to the invention, the handle is rotated to drive the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive the first worm and the second worm to rotate, the first worm and the second worm drive the corresponding first worm gear and the second worm gear to rotate, and the first worm gear and the second worm gear drive the corresponding first gear and the second gear to rotate; a first gear and a second gear are meshed with transmission teeth to drive a first telescopic rod and a second telescopic rod to move in the opposite directions, then a second base and a third support can be driven to move in the opposite directions with the first base as the center, and the overall length of the conveying device is adjusted by adjusting the distance between the second base and the third support. And the transportation device can be adjusted according to the length of the steel, so that the steel with different lengths can be transported.

Description

Technical Field

[0001] The invention relates to the technical field of steel transportation, and in particular to a steel transportation device for bridge engineering construction. Background Art

[0002] A bridge refers to a building built for roads to cross natural or artificial obstacles. During the construction of bridge projects, a large amount of bridge steel is needed. When transporting bridge steel, bridge steel transportation equipment is needed.

[0003] When transporting bridge steel, in order to prevent the bridge steel from crushing the vehicle plate and to limit the bridge steel, a transportation device is needed to support and limit the bridge steel. However, the lengths of bridge steel are different, and the lengths of the transportation devices required are different. The existing bridge steel transportation device is fixed in length and cannot be adjusted according to the length of the bridge steel. As a result, when transporting bridge steels of different lengths, transportation devices of different lengths need to be used, which is inconvenient to use. Therefore, we propose a steel transportation device for bridge engineering construction to solve the problem raised. Summary of the invention

[0004] The purpose of the present invention is to provide a steel transportation device for bridge engineering construction, which achieves the purpose of adjusting the overall length of the transportation device by adjusting the distance between the second base and the third support, and can adjust the transportation device according to the length of the steel to transport steel of different lengths.

[0005] To achieve the above object, the present invention provides the following technical solution: A steel material transportation device for bridge engineering construction, comprising a first base, a second base and a third support are respectively arranged on both sides of the first base, and universal wheels are symmetrically arranged on the side of the second base and the third support away from the first base, wherein: The universal wheel is lifted and lowered by a telescopic mechanism, first telescopic slots are symmetrically penetrated on both sides of the second base, a second telescopic slot is penetrated in the middle of the third support, connecting slots are penetrated at positions of the first base corresponding to the first telescopic slot and the second telescopic slot, a first telescopic rod is fixedly connected to one end of the third support corresponding to the first telescopic slot, and a second telescopic rod is fixedly connected to one end of the second base corresponding to the second telescopic slot, a first gear slot is symmetrically opened in the middle of the inner side of the first base, second gear slots are symmetrically opened inside the two sides of the first base, the first gear slot and the second gear slot are connected with the corresponding connecting slots, the first gear slot and the second gear slot are rotatably connected inside respectively, a transmission tooth is equidistantly arranged on one side of the first telescopic rod corresponding to the second gear, and a transmission tooth is also equidistantly arranged on one side of the second telescopic rod corresponding to the first gear; The first gear is fixedly connected to the first worm gear at the shaft end near the first base, and the second gear is fixedly connected to the second worm gear at the shaft end near the first base. The first rotating shaft and the second rotating shaft are symmetrically connected to the top of both sides of the first base. The first rotating shaft and the second rotating shaft are fixedly connected. The first rotating shaft is provided with a first worm gear on the outer side of the first rotating shaft corresponding to the first worm gear and the second worm gear, and the second rotating shaft is provided with a second worm gear on the outer side of the first worm gear and the second worm gear. A handle is fixedly connected to the end of the first rotating shaft, and mounting seats are symmetrically installed on the top of both sides of the second base and the third support. A bracket is provided on the top of the mounting seat, and the support height of the bracket is adjusted by a lifting mechanism.

[0006] Preferably, the telescopic mechanism includes a lifting slot, and the second base and the third support are provided with lifting slots at the bottom of the universal wheels corresponding to the second base and the third support, a lifting rod is provided in the lifting slot, and the universal wheel is installed at the bottom of the lifting rod, and the second base and the third support are rotatably connected to the inside of the lifting rod corresponding to the third support, and the adjusting screw is threadedly connected to the lifting rod.

[0007] Preferably, the lifting rod is in the shape of a rectangular column, and the outer dimensions of the lifting rod match the inner dimensions of the lifting slot.

[0008] Preferably, the first telescopic rod and the second telescopic rod are both rectangular column-shaped, and the outer dimensions of the first telescopic rod and the second telescopic rod are respectively consistent with the inner dimensions of the first telescopic slot and the second telescopic slot.

[0009] Preferably, the first gear and the second gear are both meshed with the transmission teeth.

[0010] Preferably, the directions of the helical teeth on the first worm and the second worm are opposite.

[0011] Preferably, the lifting mechanism includes a support rod, the top of the mounting seat is symmetrically fixedly connected to the support rod, the top of the support rod is provided with a guide groove, the bottom of the bracket corresponding to the guide groove is fixedly connected to a guide rod, the top of both sides of the mounting seat are symmetrically slidably provided with sliding seats, the top of the sliding seat is rotatably connected to a transmission rod between the top of the sliding seat and the bottom of the bracket, the top of the mounting seat corresponding to the sliding seat is provided with a slide groove, the bottom of the sliding seat corresponding to the slide groove is fixedly connected to a slider, and the inside of the slide groove is rotatably connected to a screw rod threadedly connected to the slider.

[0012] Preferably, the guide rod is a cylinder, and the outer diameter of the guide rod matches the inner diameter of the guide groove.

[0013] Preferably, the screw rod is provided with two opposite sections of external threads, and the screw rod is threadedly connected to the sliders on both sides respectively through the two opposite sections of external threads.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention, when transporting steels of different lengths, rotates the handle so that the handle drives the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive the first worm and the second worm to rotate, the first worm and the second worm drive the corresponding first worm wheel and the second worm wheel to rotate, the first worm wheel and the second worm wheel drive the corresponding first gear and the second gear to rotate, the first gear and the second gear drive the first telescopic rod and the second telescopic rod to move in opposite directions by meshing with the transmission teeth, and can further drive the second base and the third support to move in opposite directions with the first base as the center, and by adjusting the spacing between the second base and the third support, the overall length of the transport device is adjusted, and the transport device can be adjusted according to the length of the steel so as to transport steels of different lengths.

[0015] According to the present invention, when the screw rod is rotated, the screw rod drives the sliders on both sides to move in opposite directions through the threaded connection, so that the slider drives the sliding seats on both sides to move in opposite directions, and the sliding seats drive the brackets to be lifted and lowered through the transmission rods. Through the lifting mechanism, the steel is supported by multiple brackets, and the brackets can be lifted and lowered independently, so that when supporting special-shaped steel, the independently adjustable brackets can adapt to the shape of the steel, so as to stably support the special-shaped steel.

[0016] According to the present invention, when it is necessary to adjust the distance between the second base and the third support, the adjusting screw is rotated, and the adjusting screw drives the lifting rod to move downward through the threaded connection, so that the lifting rod drives the universal wheel to move downward, and the transportation device is supported by the universal wheel. When the second base and the third support are adjusted, the second base and the third support can move through the universal wheel, which is convenient for adjusting the second base and the third support. After the adjustment is completed, the universal wheel is retracted into the interior of the lifting slot to prevent the transportation device from shaking due to the universal wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the side structure of the first base of the present invention; Figure 3 It is a schematic cross-sectional structural diagram of the first base of the present invention; Figure 4 It is a structural schematic diagram of the lifting mechanism of the present invention; Figure 5 It is a schematic diagram of the telescopic mechanism structure of the present invention; Figure 6 For the present invention Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] In the figure: 1. first base; 2. second base; 3. third support; 4. universal wheel; 5. lifting slot; 6. lifting rod; 7. adjusting screw; 8. first telescopic slot; 9. second telescopic slot; 10. connecting slot; 11. first telescopic rod; 12. second telescopic rod; 13. first gear slot; 14. second gear slot; 15. first gear; 16. second gear; 17. transmission tooth; 18. first worm gear; 19. second worm gear; 20. first rotating shaft; 21. second rotating shaft; 22. first worm; 23. second worm; 24. handle; 25. mounting seat; 26. bracket; 27. support rod; 28. guide slot; 29. ​​guide rod; 30. sliding seat; 31. transmission rod; 32. slide slot; 33. slider; 34. screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0020] See also Figures 1 to 6 The present invention provides a technical solution: a steel material transportation device for bridge engineering construction, comprising a first base 1, a second base 2 and a third support 3 are respectively arranged on both sides of the first base 1, and universal wheels 4 are symmetrically arranged on the side of the second base 2 and the third support 3 away from the first base 1, wherein: The universal wheel 4 is lifted and lowered by a telescopic mechanism, first telescopic slots 8 are symmetrically penetrated on both sides of the second base 2, a second telescopic slot 9 is penetrated in the middle of the third support 3, and connecting slots 10 are penetrated at positions of the first base 1 corresponding to the first telescopic slot 8 and the second telescopic slot 9, a first telescopic rod 11 is fixedly connected to one end of the third support 3 corresponding to the first telescopic slot 8, and a second telescopic rod 12 is fixedly connected to one end of the second base 2 corresponding to the second telescopic slot 9, a first gear slot 13 is symmetrically opened in the middle of the inner side of the first base 1, and second gear slots 14 are symmetrically opened inside the two sides of the first base 1, the first gear slot 13 and the second gear slot 14 are connected with the corresponding connecting slot 10, and the first gear slot 13 and the second gear slot 14 are rotatably connected inside respectively, and a transmission tooth 17 is equidistantly arranged on one side of the first telescopic rod 11 corresponding to the second gear 16, and a transmission tooth 17 is also equidistantly arranged on one side of the second telescopic rod 12 corresponding to the first gear 15; The first gear 15 is fixedly connected to a first worm gear 18 at an end of the shaft near the top of the first base 1, and the second gear 16 is fixedly connected to a second worm gear 19 at an end of the shaft near the top of the first base 1. The first rotating shaft 20 and the second rotating shaft 21 are symmetrically rotatably connected at the tops on both sides of the first base 1. The first rotating shaft 20 and the second rotating shaft 21 are fixedly connected. The first rotating shaft 20 is provided with a first worm 22 on the outer side of the first worm gear 18 and the second worm gear 19 corresponding to the first rotating shaft 20, and the second rotating shaft 21 is provided with a second worm 23 on the outer side of the first worm gear 18 and the second worm gear 19 corresponding to the second rotating shaft 21. A handle 24 is fixedly connected to the end of the first rotating shaft 20. Mounting seats 25 are symmetrically installed on the tops of both sides of the second base 2 and the third support 3. A bracket 26 is provided on the top of the mounting seat 25, and the support height of the bracket 26 is adjusted by a lifting mechanism. When transporting bridge steel, the steel is supported and limited by the bracket 26 to prevent the steel from shaking or causing damage to the vehicle plate during transportation. When transporting steel of different lengths, the handle 24 is rotated to make the handle 24 drive the first rotating shaft 20 and the second rotating shaft 21 to rotate, the first rotating shaft 20 and the second rotating shaft 21 drive the first worm 22 and the second worm 23 to rotate, the first worm 22 and the second worm 23 drive the corresponding first worm wheel 18 and the second worm wheel 19 to rotate, the first worm wheel 18 and the second worm wheel 19 drive the corresponding first gear 15 and the second gear 16 to rotate, the first gear 15 and the second gear 16 drive the first telescopic rod 11 and the second telescopic rod 12 to move in opposite directions through engagement with the transmission tooth 17, and then can drive the second base 2 and the third support 3 to move in opposite directions with the first base 1 as the center, by adjusting the distance between the second base 2 and the third support 3, the overall length of the transport device is adjusted, and the transport device can be adjusted according to the length of the steel so as to transport steel of different lengths.

[0021] See also Figures 1 to 6 The telescopic mechanism includes a lifting slot 5. The bottom of the universal wheel 4 corresponding to the second base 2 and the third support 3 is provided with a lifting slot 5. A lifting rod 6 is arranged in the lifting slot 5. The universal wheel 4 is installed at the bottom of the lifting rod 6. The second base 2 and the third support 3 are rotatably connected to the inside of the lifting rod 6 corresponding to the lifting rod 6. The adjusting screw 7 is threadedly connected to the lifting rod 6. The lifting rod 6 is a rectangular column, and the external size of the lifting rod 6 coincides with the internal size of the lifting slot 5. When it is necessary to adjust the spacing between the second base 2 and the third support 3, the adjusting screw 7 is rotated. The adjusting screw 7 drives the lifting rod 6 to move downward through the threaded connection, so that the lifting rod 6 drives the universal wheel 4 to move downward, and the transport device is supported by the universal wheel 4. When the second base 2 and the third support 3 are adjusted, the second base 2 and the third support 3 can be moved through the universal wheel 4, which is convenient for adjusting the second base 2 and the third support 3. After the adjustment is completed, the universal wheel 4 is retracted into the interior of the lifting slot 5 to prevent the transport device from shaking through the universal wheel 4.

[0022] See also Figures 1 to 6 The first telescopic rod 11 and the second telescopic rod 12 are both rectangular columns, and the outer dimensions of the first telescopic rod 11 and the second telescopic rod 12 are respectively consistent with the inner dimensions of the first telescopic slot 8 and the second telescopic slot 9. The first gear 15 and the second gear 16 are both meshed with the transmission gear 17. The directions of the spiral teeth on the first worm 22 and the second worm 23 are opposite. When the first worm 22 and the second worm 23 rotate, the first gear 15 and the second gear 16 on both sides can be driven to rotate in opposite directions, and the first telescopic rod 11 and the second telescopic rod 12 can be driven to move in opposite directions, so as to drive the second base 2 and the third support 3 to move in opposite directions with the first base 1 as the center.

[0023] See also Figures 1 to 6 The lifting mechanism includes a support rod 27, the top of the mounting seat 25 is symmetrically fixedly connected with the support rod 27, the top of the support rod 27 is provided with a guide groove 28, the bottom of the bracket 26 corresponding to the guide groove 28 is fixedly connected with a guide rod 29, the top of both sides of the mounting seat 25 is symmetrically slidably provided with a sliding seat 30, the top of the sliding seat 30 is rotatably connected with a transmission rod 31 between the bottom of the bracket 26, the top of the mounting seat 25 corresponding to the sliding seat 30 is provided with a slide groove 32, the bottom of the sliding seat 30 corresponding to the slide groove 32 is fixedly connected with a slider 33, the inside of the slide groove 32 is rotatably connected with a screw rod 34 threadedly connected to the slider 33, the guide rod 29 is a cylinder, and the outer diameter of the guide rod 29 is the same as the guide groove The inner diameter of 28 is consistent with that of the inner diameter of the bracket 28. The screw rod 34 is provided with two opposite external threads, and the screw rod 34 is threadedly connected with the sliders 33 on both sides through the two opposite external threads. When the screw rod 34 is rotated, the screw rod 34 drives the sliders 33 on both sides to move in opposite directions through the threaded connection, so that the sliders 33 drive the sliding seats 30 on both sides to move in opposite directions. The sliding seats 30 drive the bracket 26 to move up and down through the transmission rod 31. Through the lifting mechanism, the steel is supported by multiple brackets 26, and the brackets 26 can be independently lifted and lowered, so that when supporting special-shaped steel, the independently adjustable brackets 26 can adapt to the shape of the steel, so as to stably support the special-shaped steel.

[0024] Working principle: This steel transportation device for bridge engineering construction supports and limits the steel through the bracket 26 when transporting bridge steel to prevent the steel from shaking or damaging the vehicle plate during transportation. When transporting steel of different lengths, the handle 24 is turned to make the handle 24 drive the first rotating shaft 20 and the second rotating shaft 21 to rotate, and the first rotating shaft 20 and the second rotating shaft 21 drive the first worm 22 and the second worm 23 to rotate, and the first worm 22 and the second worm 23 drive the corresponding first worm wheel 18 and the second worm wheel 19 to rotate, and the first worm wheel 22 and the second worm wheel 23 drive the corresponding first worm wheel 18 and the second worm wheel 19 to rotate. The first worm gear 18 and the second worm gear 19 drive the corresponding first gear 15 and the second gear 16 to rotate. The first gear 15 and the second gear 16 drive the first telescopic rod 11 and the second telescopic rod 12 to move in opposite directions by meshing with the transmission tooth 17, thereby driving the second base 2 and the third support 3 to move in opposite directions with the first base 1 as the center. By adjusting the distance between the second base 2 and the third support 3, the overall length of the transport device is adjusted, and the transport device can be adjusted according to the length of the steel, so as to transport steels of different lengths; When it is necessary to adjust the distance between the second base 2 and the third support 3, the adjusting screw 7 is rotated, and the adjusting screw 7 drives the lifting rod 6 to move downward through the threaded connection, so that the lifting rod 6 drives the universal wheel 4 to move downward, and the transportation device is supported by the universal wheel 4. When the second base 2 and the third support 3 are adjusted, the second base 2 and the third support 3 can be moved through the universal wheel 4, which is convenient for adjusting the second base 2 and the third support 3. After the adjustment is completed, the universal wheel 4 is retracted into the inside of the lifting slot 5 to prevent the transportation device from passing through the universal wheel When the wheel 4 shakes and the screw rod 34 is rotated, the screw rod 34 drives the sliders 33 on both sides to move in opposite directions through the threaded connection, so that the sliders 33 drive the sliding seats 30 on both sides to move in opposite directions, and the sliding seats 30 drive the brackets 26 to move up and down through the transmission rods 31. Through the lifting mechanism, the steel is supported by multiple brackets 26, and the brackets 26 can be independently lifted and lowered. When supporting special-shaped steel, the independently adjustable brackets 26 can adapt to the shape of the steel so as to stably support the special-shaped steel.

[0025] 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 steel material transport device for bridge engineering construction, comprising a first base (1), characterized in that: A second base (2) and a third support (3) are respectively arranged on both sides of the first base (1); universal wheels (4) are symmetrically arranged on the side of the second base (2) and the third support (3) away from the first base (1), wherein: The universal wheel (4) is raised and lowered by a telescopic mechanism. First telescopic grooves (8) are symmetrically penetrated on both sides of the second base (2). A second telescopic groove (9) is penetrated in the middle of the third support (3). Connecting grooves (10) are penetrated at positions of the first base (1) corresponding to the first telescopic groove (8) and the second telescopic groove (9). A first telescopic rod (11) is fixedly connected to one end of the third support (3) corresponding to the first telescopic groove (8). A second telescopic rod (12) is fixedly connected to one end of the second base (2) corresponding to the second telescopic groove (9). The inner middle part of the first base (1) is symmetrically opened. A first gear groove (13) is provided, and second gear grooves (14) are symmetrically provided inside the two sides of the first base (1), the first gear groove (13) and the second gear groove (14) are connected to the corresponding connecting groove (10), and the first gear groove (13) and the second gear groove (14) are rotatably connected inside, respectively, and a first gear (15) and a second gear (16) are equidistantly provided on one side of the first telescopic rod (11) corresponding to the second gear (16), and a transmission tooth (17) is also equidistantly provided on one side of the second telescopic rod (12) corresponding to the first gear (15); The shaft end of the first gear (15) close to the top of the first base (1) is fixedly connected to a first worm gear (18); the shaft end of the second gear (16) close to the top of the first base (1) is fixedly connected to a second worm gear (19); the tops of both sides of the first base (1) are symmetrically connected to a first rotating shaft (20) and a second rotating shaft (21); the first rotating shaft (20) and the second rotating shaft (21) are fixedly connected; the first rotating shaft (20) is provided with a first worm (22) on the outer side of the first rotating shaft (20) corresponding to the first worm gear (18) and the second worm gear (19); the second rotating shaft (21) is provided with a second worm (23) on the outer side of the first worm gear (18) and the second worm gear (19); the end of the first rotating shaft (20) is fixedly connected to a handle (24); the tops of both sides of the second base (2) and the third support (3) are symmetrically installed with mounting seats (25); the top of the mounting seats (25) is provided with a bracket (26); the support height of the bracket (26) is adjusted by a lifting mechanism.

2. The steel material transportation device for bridge engineering construction according to claim 1 is characterized in that: The telescopic mechanism comprises a lifting groove (5), the second base (2) and the third support (3) are both provided with a lifting groove (5) at the bottom of the universal wheel (4), a lifting rod (6) is arranged in the lifting groove (5), the universal wheel (4) is mounted at the bottom of the lifting rod (6), the second base (2) and the third support (3) are both rotatably connected to the inside of the lifting rod (6) corresponding to the lifting rod (6), and the adjusting screw (7) is threadedly connected to the lifting rod (6).

3. The steel material transportation device for bridge engineering construction according to claim 2 is characterized in that: The lifting rod (6) is in the shape of a rectangular column, and the outer dimensions of the lifting rod (6) coincide with the inner dimensions of the lifting slot (5).

4. The steel material transportation device for bridge engineering construction according to claim 1 is characterized in that: The first telescopic rod (11) and the second telescopic rod (12) are both rectangular column-shaped, and the external dimensions of the first telescopic rod (11) and the second telescopic rod (12) are respectively consistent with the internal dimensions of the first telescopic slot (8) and the second telescopic slot (9).

5. The steel material transportation device for bridge engineering construction according to claim 1 is characterized in that: The first gear (15) and the second gear (16) are both meshed with the transmission gear (17).

6. The steel material transportation device for bridge engineering construction according to claim 1 is characterized in that: The directions of the helical teeth on the first worm (22) and the second worm (23) are opposite.

7. The steel material transportation device for bridge engineering construction according to claim 1 is characterized in that: The lifting mechanism comprises a support rod (27), the top of the mounting seat (25) is symmetrically fixedly connected to the support rod (27), the top of the support rod (27) is provided with a guide groove (28), the bottom of the bracket (26) corresponding to the guide groove (28) is fixedly connected to a guide rod (29), the top of both sides of the mounting seat (25) are symmetrically slidably provided with sliding seats (30), the top of the sliding seat (30) and the bottom of the bracket (26) are rotatably connected with a transmission rod (31), the top of the mounting seat (25) corresponding to the sliding seat (30) is provided with a slide groove (32), the bottom of the sliding seat (30) corresponding to the slide groove (32) is fixedly connected to a slider (33), and the inside of the slide groove (32) is rotatably connected with a screw rod (34) threadedly connected to the slider (33).

8. The steel material transportation device for bridge engineering construction according to claim 7 is characterized in that: The guide rod (29) is a cylinder, and the outer diameter of the guide rod (29) matches the inner diameter of the guide groove (28).

9. The steel material transportation device for bridge engineering construction according to claim 7 is characterized in that: The screw rod (34) is provided with two sections of opposite external threads, and the screw rod (34) is threadedly connected to the sliders (33) on both sides via the two sections of opposite external threads.

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