Swivel auxiliary support for bridge construction

Abstract

The utility model discloses a swivel auxiliary support for bridge construction, and relates to the technical field of bridge construction. The device comprises a base, a circular groove and a through groove are formed in the top end and the interior of the base respectively, a rotating mechanism is arranged in the circular groove and the through groove jointly, a supporting table is fixedly connected to the top end of the rotating mechanism, and two supporting bases are movably arranged at the top end of the supporting table; and the interior of the supporting table and the bottom ends of the two supporting bases are jointly provided with a quick mounting mechanism used in cooperation with the two supporting bases, the rotating body mechanism comprises two long rods, and one ends of the two long rods are rotationally connected with the inner wall of the circular groove. According to the rotating support, a bridge can be conveniently, accurately and rapidly rotated during construction, the practicability of the rotating support is improved, through the arrangement of the rapid assembly mechanism structure, the supporting seat in the rotating support can be conveniently and rapidly assembled, and the use convenience of the rotating support is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a swivel auxiliary support for bridge construction. Background Art

[0002] As a special construction method to overcome the limitations of terrain and traffic, bridge rotation construction is widely used in the construction of bridges across highways, railways, deep mountain valleys, etc. The principle is to first form the bridge structure at a non-design axis position, and then rotate the bridge structure as a whole to the design axis position to close it;

[0003] First, the auxiliary swivel bearing used in the existing bridge construction is more troublesome when rotating, and does not have an automatic swivel mechanism, which makes it inconvenient to accurately rotate the bridge during construction, reducing the practicality of the swivel bearing; secondly, the height of the support seat in the existing swivel bearing is relatively high, and the support platform and the support seat are generally transported separately during transportation. When the swivel bearing is used, the support seat needs to be spliced ​​on the support platform. The existing splicing operation of the support seat is time-consuming and the assembly effect is poor. It does not have a quick-installation mechanism, which makes it inconvenient to quickly assemble the support seat in the swivel bearing, reducing the convenience of using the swivel bearing. Utility Model Content

[0004] In order to solve the problem that the existing swivel bearing is convenient for accurate rotation of the bridge during construction and is inconvenient for rapid assembly of the support seat in the swivel bearing; the purpose of the utility model is to provide a swivel auxiliary bearing for bridge construction.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a swivel auxiliary support for bridge construction, comprising a base, a circular groove and a through groove are respectively provided at the top and inside of the base, a swivel mechanism is jointly provided inside the circular groove and the through groove, the top of the swivel mechanism is fixedly connected to a support platform, the top of the support platform is movably provided with two support seats, the inside of the support platform and the bottom ends of the two support seats are jointly provided with a quick-installation mechanism used in conjunction with the two support seats, the swivel mechanism comprises a long rod, two of the long rods are provided, one end of the two long rods is rotatably connected to the inner wall of the circular groove, and the two One end of each of the long rods passes through the inner wall of the circular groove and is fixedly connected to a sprocket, and a chain is commonly sleeved on the outer surfaces of the two sprockets, a support plate is fixedly connected to the inner wall of one side of the through groove, and the top of the support plate is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the middle part of one end of one of the sprockets, a worm is fixedly sleeved on the outer surfaces of the two long rods, and the outer surfaces of the two worms are meshingly connected with worm wheels, a vertical rod is rotatably connected to the middle part of the lower inner wall of the circular groove, and the two worm wheels are fixedly sleeved on the outer surface of the vertical rod, and the top of the vertical rod is fixedly connected to the middle part of the bottom end of the support platform.

[0006] Preferably, the quick-loading mechanism includes a long slot, wherein the long slots are provided with two, and the two long slots are both provided at the top of the support platform, and the inner walls on both sides of the two long slots are provided with a card slot, and the inner walls of the corresponding two card slots are movably connected with a card block, and the tops of the two card blocks are respectively fixedly connected to the bottom ends of the two support seats, and a sliding slot is provided inside the support platform, and a cross plate is fixedly connected to the inner wall of one side of the sliding slot, and the top of the cross plate is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to a bidirectional screw, and the outer surface of the bidirectional screw is threadedly sleeved with two moving blocks, and the two ends of the two moving blocks are fixedly connected with a connecting plate, and the inner walls on both sides of the sliding slot are provided with two limiting slots for matching with four connecting plates, and one end of the four connecting plates respectively passes through the four limiting slots, and one end of the four connecting plates is fixedly connected with a positioning plate, and the lower parts of both ends of the two card blocks are provided with positioning slots for matching with the positioning plate.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. This application, through the setting of the automatic rotating mechanism structure, can facilitate the accurate and rapid rotation of the bridge during construction, and improve the practicality of the rotating support;

[0009] 2. The present application, through the provision of a quick-assembly mechanism structure, can facilitate the rapid assembly of the support seat in the swivel support, thereby improving the convenience of using the swivel support. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0013] Figure 3 It is a schematic diagram of the cross-section structure of the swivel mechanism of the utility model.

[0014] Figure 4 It is a schematic diagram of the cross-section structure of the quick-loading mechanism of the utility model.

[0015] Figure 5 It is a partial structural schematic diagram of the quick-loading mechanism of the utility model.

[0016] In the figure: 1. base; 2. swivel mechanism; 21. round plate; 22. long rod; 23. worm; 24. worm wheel; 25. sprocket; 26. support plate; 27. first motor; 28. chain; 29. ​​circular groove; 201. vertical rod; 202. side groove; 203. circular plate; 3. quick-release mechanism; 31. moving block; 32. slide groove; 33. bidirectional screw; 34. horizontal plate; 35. second motor; 36. positioning groove; 37. clamping block; 38. limiting groove; 39. connecting plate; 301. positioning plate; 302. clamping groove; 303. long groove; 4. support table; 5. anti-slip pad; 6. support seat; 7. circular groove; 8. through groove. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Figure 1-5As shown, the utility model provides a swivel auxiliary support for bridge construction, including a base 1, a circular groove 7 and a through groove 8 are respectively opened at the top and inside of the base 1, a swivel mechanism 2 is commonly arranged inside the circular groove 7 and the through groove 8, the top of the swivel mechanism 2 is fixedly connected to a support platform 4, the top of the support platform 4 is movably provided with two support seats 6, the inside of the support platform 4 and the bottom ends of the two support seats 6 are commonly provided with a quick-installation mechanism 3 used in conjunction with the two support seats 6, the swivel mechanism 2 includes a long rod 22, and the long rod 22 is There are two, one end of the two long rods 22 is rotatably connected to the inner wall of the circular groove 7, one end of the two long rods 22 passes through the inner wall of the circular groove 7 and is fixedly connected to a sprocket 25, the outer surfaces of the two sprockets 25 are jointly sleeved with a chain 28, a support plate 26 is fixedly connected to the inner wall of one side of the through groove 8, and the top of the support plate 26 is fixedly connected to a first motor 27, the output end of the first motor 27 is fixedly connected to the middle of one end of one of the sprockets 25, the outer surfaces of the two long rods 22 are fixedly sleeved with a worm 23, and the two The outer surface of the worm 23 is meshed with a worm wheel 24, the middle part of the lower inner wall of the circular groove 7 is rotatably connected with a vertical rod 201, and the two worm wheels 24 are fixedly sleeved on the outer surface of the vertical rod 201, and the top of the vertical rod 201 is fixedly connected to the middle part of the bottom end of the support platform 4. First, the swivel support structure is transported and placed in a suitable use position, and then the two support seats 6 are installed at suitable positions on the support platform 4 through the quick-installation mechanism 3, and then the bridge body is built at the top of the two support seats 6, and then the first motor 27 is started through the swivel mechanism 2. The output end of the first motor 27 drives one of the sprockets 25 to rotate. The rotation of one of the sprockets 25 cooperates with the chain 28 to make the other sprocket 25 rotate at the same time. The two sprockets 25 rotate at the same time and drive the two worms 23 to transmit at the same time through the long rod 22. The two worms 23 transmit at the same time and drive the two worm wheels 24 to rotate at the same time. The two worm wheels 24 rotate at the same time and jointly drive the vertical rod 201 to rotate. The rotation of the vertical rod 201 drives the support platform 4 to rotate a certain angle, thereby realizing the function of precise rotation during bridge construction and improving the practicality of the swivel bearing.

[0019] The quick-loading mechanism 3 includes a long slot 303, two of which are provided. The two long slots 303 are both provided at the top of the support platform 4. The inner walls on both sides of the two long slots 303 are provided with a card slot 302, and the inner walls of the two corresponding card slots 302 are movably connected with a card block 37, and the tops of the two card blocks 37 are respectively fixedly connected to the bottom ends of the two support seats 6. The support platform 4 is provided with a slide slot 32 inside, and a cross plate 34 is fixedly connected to the inner wall of one side of the slide slot 32, and a second motor 35 is fixedly connected to the top of the cross plate 34, and a bidirectional screw 33 is fixedly connected to the output end of the second motor 35. The outer surface of the bidirectional screw 33 is threadedly sleeved with two moving blocks 31, and both ends of the two moving blocks 31 are fixedly connected with a connecting plate 39, and the inner walls on both sides of the slide slot 32 are provided with two limit slots 38 used to cooperate with four connecting plates 39, and one end of the four connecting plates 39 is divided into The two ends of the two clamping blocks 37 are respectively clamped in the corresponding clamping grooves 302, so that the support seat 6 and the support platform 4 can be quickly spliced. Then the second motor 35 is started, and the output end of the second motor 35 drives the bidirectional screw 33 to rotate. The rotation of the bidirectional screw 33 drives the two moving blocks 31 to move toward the opposite surface at the same time. The movement of the two moving blocks 31 drives the four connecting plates 39 to move at the same time. At the same time, the limiting grooves 38 play a role in facilitating the positioning of the four connecting plates 39 when moving. The movement of the four connecting plates 39 drives the four positioning plates 301 to be quickly clamped in the corresponding positioning grooves 36, so that the clamping blocks 37 are firmly clamped in the clamping grooves 302, thereby realizing the rapid assembly of the support seat 6 and improving the convenience of using the swivel support.

[0020] The top ends of the two support seats 6 are fixedly connected with anti-skid pads 5, which play an anti-skid role to avoid slipping when the bridge is rotated, so as to better rotate the bridge.

[0021] The outer surface of the vertical rod 201 is fixedly sleeved with a circular plate 21, and the inner wall of the circular groove 7 is provided with a side groove 202 used in conjunction with the circular plate 21, and the outer wall of the circular plate 21 is rotatably connected to the inner wall of the side groove 202. The side groove 202 is used in conjunction with the circular plate 21 to facilitate dispersing the supporting force of the vertical rod 201, so that the vertical rod 201 can better support the support platform 4 and drive the support platform 4 to rotate a certain angle.

[0022] The bottom end of the support platform 4 is fixedly connected with a circular plate 203, and the top of the base 1 is provided with a circular groove 29 used in conjunction with the circular plate 203, and the bottom end of the circular plate 203 is rotatably connected to the lower inner wall of the circular groove 29. The circular groove 29 is used in conjunction with the circular plate 203 to facilitate the positioning of the support platform 4 when it rotates.

[0023] The two ends of the four connecting plates 39 are respectively slidably connected to the inner walls of the two sides of the four limiting grooves 38, so that the limiting grooves 38 can more easily limit the connection plates 39 when they move.

[0024] The outer surfaces of the two moving blocks 31 are slidably connected to the inner wall of the slide groove 32, and the two moving blocks 31 are respectively threadedly sleeved on the different thread directions of the outer surface of the bidirectional screw 33, so as to facilitate the slide groove 32 to limit the movement of the moving blocks 31. At the same time, sleeves in different thread directions facilitate the two moving blocks 31 to move toward opposite sides or back to back at the same time.

[0025] The outer surfaces of the four positioning plates 301 are movably engaged with the inner walls of the four positioning slots 36 , respectively, so that the positioning slots 36 cooperate with the positioning plates 301 to firmly position the card block 37 in the card slot 302 .

[0026] Working principle: first, transport the swivel support structure and place it in a suitable position for use, then install the two support seats 6 in suitable positions on the support platform 4 through the quick-install mechanism 3, and respectively snap the two clamping blocks 37 into the corresponding clamping grooves 302, so that the support seat 6 and the support platform 4 can be quickly spliced, then start the second motor 35, and the output end of the second motor 35 drives the bidirectional screw 33 to rotate, and the rotation of the bidirectional screw 33 drives the two moving blocks 31 to move toward the opposite surface at the same time, and the movement of the two moving blocks 31 drives the four connecting plates 39 to move at the same time, and at the same time, the limiting grooves 38 play a role in facilitating the limiting of the movement of the four connecting plates 39, and the movement of the four connecting plates 39 drives the four positioning plates 301 to be quickly snapped into the corresponding positioning grooves 36, so that the clamping blocks 37 are firmly snapped into the clamping grooves 302, thereby realizing the rapid assembly of the support seat 6;

[0027] Then the bridge body is built on the anti-skid pads 5 on the two support seats 6, and the anti-skid pads 5 play an anti-skid role to avoid slipping when the bridge is rotated;

[0028] Then, the first motor 27 is started through the rotating mechanism 2, and the output end of the first motor 27 drives one of the sprockets 25 to rotate. The rotation of one of the sprockets 25 cooperates with the chain 28 to make the other sprocket 25 rotate at the same time. The two sprockets 25 rotate at the same time and drive the two worms 23 to transmit at the same time through the long rod 22. The two worms 23 transmit at the same time and drive the two worm wheels 24 to rotate at the same time. The two worm wheels 24 rotate at the same time and jointly drive the vertical rod 201 to rotate. The rotation of the vertical rod 201 drives the support platform 4 to rotate a certain angle. The side groove 202 is used in conjunction with the circular plate 21 to facilitate the dispersion of the supporting force of the vertical rod 201, so that the vertical rod 201 can better support the support platform 4 and drive the support platform 4 to rotate a certain angle. The annular groove 29 is used in conjunction with the annular plate 203 to facilitate the positioning of the support platform 4 when it rotates, and the bridge body can be rotated to a suitable angle.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A swivel auxiliary support for bridge construction, comprising a base (1), characterized in that: A circular groove (7) and a through groove (8) are respectively provided at the top and inside of the base (1); a swivel mechanism (2) is provided inside the circular groove (7) and the through groove (8); the top of the swivel mechanism (2) is fixedly connected to a support platform (4); two support seats (6) are movably provided at the top of the support platform (4); a quick-installation mechanism (3) used in conjunction with the two support seats (6) is provided inside the support platform (4) and at the bottom ends of the two support seats (6); The rotating mechanism (2) comprises a long rod (22), two of which are provided, one end of each of the two long rods (22) being rotatably connected to the inner wall of the circular groove (7), one end of each of the two long rods (22) passing through the inner wall of the circular groove (7) and being fixedly connected to a sprocket (25), the outer surfaces of the two sprockets (25) being jointly sleeved with a chain (28), a support plate (26) being fixedly connected to the inner wall of one side of the through groove (8), and a first motor (27) being fixedly connected to the top end of the support plate (26) The output end of the first motor (27) is fixedly connected to the middle of one end of one of the sprocket wheels (25); the outer surfaces of the two long rods (22) are fixedly sleeved with worms (23); the outer surfaces of the two worms (23) are meshingly connected with worm wheels (24); the middle part of the lower inner wall of the circular groove (7) is rotatably connected with a vertical rod (201), and the two worm wheels (24) are fixedly sleeved on the outer surface of the vertical rod (201); the top end of the vertical rod (201) is fixedly connected to the middle of the bottom end of the support platform (4).

2. The auxiliary support for bridge construction according to claim 1, characterized in that: The quick-loading mechanism (3) comprises a long slot (303), wherein two long slots (303) are provided, and the two long slots (303) are both provided at the top of the support platform (4). The inner walls of the two long slots (303) are provided with a clamping slot (302) on both sides, and the inner walls of the two corresponding clamping slots (302) are movably clamped with a clamping block (37), and the top ends of the two clamping blocks (37) are respectively fixedly connected to the bottom ends of the two support seats (6). The support platform (4) is provided with a sliding slot (32), and the inner wall of one side of the sliding slot (32) is fixedly connected with a horizontal plate (34), and the top end of the horizontal plate (34) is fixedly connected with a second motor (35). The output end of the second motor (35) is fixedly connected with a bidirectional screw (33), the outer surface of the bidirectional screw (33) is threadedly sleeved with two moving blocks (31), and both ends of the two moving blocks (31) are fixedly connected with connecting plates (39), the inner walls on both sides of the slide groove (32) are provided with two limiting grooves (38) used to match the four connecting plates (39), and one end of the four connecting plates (39) respectively passes through the four limiting grooves (38), one end of the four connecting plates (39) is fixedly connected with a positioning plate (301), and the lower parts of both ends of the two clamping blocks (37) are provided with positioning grooves (36) used to match the positioning plate (301).

3. The auxiliary swivel support for bridge construction according to claim 1, characterized in that: The top ends of the two support seats (6) are both fixedly connected with anti-skid pads (5).

4. The auxiliary swivel support for bridge construction according to claim 1, characterized in that: A circular plate (21) is fixedly sleeved on the outer surface of the vertical rod (201), a side groove (202) used in conjunction with the circular plate (21) is provided on the inner wall of the circular groove (7), and the outer wall of the circular plate (21) is rotatably connected to the inner wall of the side groove (202).

5. The auxiliary swivel support for bridge construction according to claim 1, characterized in that: The bottom end of the support platform (4) is fixedly connected to a circular plate (203), the top end of the base (1) is provided with a circular groove (29) used in conjunction with the circular plate (203), and the bottom end of the circular plate (203) is rotatably connected to the lower inner wall of the circular groove (29).

6. The auxiliary swivel support for bridge construction as claimed in claim 2, characterized in that: The two ends of the four connecting plates (39) are respectively slidably connected to the inner walls of both sides of the four limiting grooves (38).

7. The auxiliary swivel support for bridge construction as claimed in claim 2, characterized in that: The outer surfaces of the two moving blocks (31) are both slidably connected to the inner wall of the slide groove (32), and the two moving blocks (31) are respectively threadedly sleeved on different thread directions provided on the outer surface of the bidirectional screw (33).

8. The auxiliary swivel support for bridge construction as claimed in claim 2, characterized in that: The outer surfaces of the four positioning plates (301) are movably engaged with the inner walls of the four positioning grooves (36) respectively.

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