Bridge erecting machine supporting device for bridge erecting construction

Abstract

The utility model discloses a bridge erecting construction bridge girder erection machine supporting device, which relates to the technical field of bridge girder erection machines, and comprises bridge girder erection machine supporting legs, a pre-buried box, a supporting plate, a mounting plate, a plurality of threaded columns and a plurality of fasteners, the upper side of the pre-buried box is provided with an opening, the pre-buried box is arranged at an inverted arch of a tunnel portal, the supporting plate is movably connected to the opening of the upper side of the pre-buried box, and the mounting plate is arranged on the mounting plate. The supporting plate ascends and descends at an opening of the pre-buried box in the vertical direction, the mounting plate is slidably connected to the upper side of the supporting plate and slides on the supporting plate in the horizontal direction, the multiple threaded columns are evenly connected to the upper side of the mounting plate in the circumferential direction, the multiple fasteners correspond to the threaded columns one to one, and the threaded columns are movably sleeved with the fasteners. The fasteners fix the lower ends of the bridge girder erection machine supporting legs through nuts. The stable supporting effect on the supporting leg of the bridge erecting machine is achieved, the supporting leg of the bridge erecting machine is convenient to mount and dismount, the mounting plate can horizontally slide on the supporting plate, and the supporting leg of the bridge erecting machine can be conveniently moved and adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge erection machines, in particular to a supporting device for a bridge erection machine for bridge erection construction. Background Art

[0002] Bridge erecting machines are widely used in the construction of highway bridges, conventional railway bridges and passenger-dedicated railway bridges. They are mainly composed of a gantry system, a lifting system, a transportation system and a control system. They are a type of equipment that places prefabricated beams on prefabricated bridge piers. They belong to the category of cranes. With the support of the gantry system, the beams are lifted by the lifting system, then transported to the top of the bridge piers through the transportation system, and finally accurately placed at the predetermined position through the control system.

[0003] During the construction of bridges connecting bridges and tunnels, the tunnel may be relatively narrow, while the bridge-erecting machine is relatively tall and wide, resulting in the situation that the No. 0 and No. 1 legs cannot enter the tunnel during the last stretch of the bridge-erecting machine. Therefore, the tracks and half legs under the No. 0 and No. 1 legs of the bridge-erecting machine need to be removed. After the legs are removed, the front of the bridge-erecting machine becomes unstable. Therefore, a supporting device is needed to solve the current problem. Utility Model Content

[0004] In view of the above-mentioned problems, the utility model provides a supporting device for a bridge erection machine for bridge erection construction, which can achieve a stable supporting effect on the legs of the bridge erection machine and facilitate the installation and disassembly of the legs of the bridge erection machine. By setting a mounting plate, the supporting plate can slide horizontally on the supporting plate, which can facilitate the movement and adjustment operation of the supporting legs of the bridge erection machine.

[0005] The technical solution adopted to solve the above technical problems is: a bridge erection construction bridge erection machine support device, including a bridge erection machine support leg, an embedded box, a support plate, a mounting plate, a plurality of threaded columns and a plurality of fasteners, the embedded box is provided with an opening on the upper side, the embedded box is provided at the tunnel entrance arch, the support plate is movably connected to the upper side opening of the embedded box, the support plate is raised and lowered at the opening of the embedded box in a vertical direction, the mounting plate is slidably connected to the upper side of the support plate, the mounting plate slides on the support plate in a horizontal direction, a plurality of threaded columns are evenly connected to the upper side of the mounting plate in a circumferential direction, a plurality of fasteners correspond one-to-one to the threaded columns, the fasteners are movably sleeved on the threaded columns, and the fasteners fix the lower end of the bridge erection machine support leg through nuts.

[0006] Furthermore, it also includes two locking blocks, multiple slots, two locking holes and two screws. The two locking blocks are slidably connected to the two sides of the support plate. Multiple slots are evenly opened on both sides of the mounting plate. The locking blocks cooperate with the slots. Two locking holes are respectively opened on both sides of the support plate. Two screws correspond to the locking holes one by one. The screws pass through the locking blocks and are tightened in the locking holes.

[0007] Further, it further includes two springs, which correspond to the lock blocks one by one. The springs are connected to the lock blocks, and the springs provide elastic force for the lock blocks.

[0008] Further, it further includes a bidirectional lead screw, two moving blocks, two connecting rods, a rotating rod, an internal hexagonal nut, and a bevel gear set. The bidirectional lead screw is rotatably connected to the embedded box. The two moving blocks are respectively sleeved at both ends of the bidirectional lead screw. The moving blocks are threadedly connected to the bidirectional lead screw. The two connecting rods correspond to the moving blocks one by one. The first end of the connecting rod is hinged to the moving block, and the second end of the connecting rod is hinged to the lower side of the support plate. The rotating rod vertically penetrates the embedded box, and the rotating rod is rotatably connected to the embedded box. The internal hexagonal nut is fixedly connected to the upper end of the rotating rod, and the bevel gear set realizes the linkage between the rotating rod and the bidirectional lead screw.

[0009] Further, it further includes a plurality of sleeves and a plurality of limiting rods. The plurality of sleeves are connected to the lower side of the support plate. The plurality of limiting rods correspond to the sleeves one by one. The limiting rods are slidably inserted into the sleeves, and the lower ends of the limiting rods are fixedly connected to the bottom of the embedded box.

[0010] Further, it further includes a plurality of sliders and a plurality of chutes. The plurality of sliders are connected to the lower side of the mounting plate. A plurality of chutes are provided on the support plate. The chutes correspond to the sliders one by one, and the sliders slide in the chutes.

[0011] Further, it further includes a plurality of rolling grooves and a plurality of balls. A plurality of rolling grooves are provided on the support plate. The plurality of balls correspond to the rolling grooves one by one. The balls roll in the rolling grooves, and the balls are embedded in the lower side of the mounting plate.

[0012] The beneficial effects of the present utility model are as follows: By arranging the embedded box at the inverted arch position of the tunnel entrance, after the lower half of the support leg under the bridge erecting machine leg is disassembled, the support plate can be lifted to align the mounting plate with the lower end of the bridge erecting machine leg, and the bridge erecting machine leg can be fixed on the mounting plate through fasteners. After the fasteners are rotated, the fixing operation can be quickly carried out through nuts, thereby achieving a stable supporting effect on the bridge erecting machine leg, and facilitating the installation and disassembly of the bridge erecting machine leg. The provided mounting plate can slide horizontally on the support plate, which is convenient for the movement and adjustment operation of the bridge erecting machine support leg. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is a schematic diagram of the internal structure of the embedded box of the present utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the mounting plate of the present utility model.

[0016] Figure 4 This is a schematic diagram of the slider position of the present utility model.

[0017] Figure 5 This is a schematic diagram of the chute position of the present utility model.

[0018] Reference numerals: 1, leg of bridge erection machine; 2, embedded box; 3, support plate; 4, mounting plate; 5, threaded column; 6, fastener; 7, locking block; 8, card slot; 9, locking hole; 10, screw; 11, spring; 12, bidirectional lead screw; 13, moving block; 14, connecting rod; 15, rotating rod; 16, hexagon socket nut; 17, bevel gear set; 18, sleeve; 19, limiting rod; 20, slider; 21, chute; 22, rolling groove; 23, ball. Detailed implementation manners

[0019] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0020] As Figures 1 - 5 shown, a support device for a bridge erection machine in bridge erection construction provided in this embodiment includes a leg 1 of the bridge erection machine, an embedded box 2, a support plate 3, a mounting plate 4, a plurality of threaded columns 5 and a plurality of fasteners 6. The upper side of the embedded box 2 is provided with an opening. The embedded box 2 is arranged at the invert of the tunnel entrance. The support plate 3 is movably connected to the upper opening of the embedded box 2. The support plate 3 rises and falls at the opening of the embedded box 2 in the vertical direction. The mounting plate 4 is slidably connected to the upper side of the support plate 3. The mounting plate 4 slides on the support plate 3 in the horizontal direction. A plurality of threaded columns 5 are evenly connected to the upper side of the mounting plate 4 in the circumferential direction. A plurality of fasteners 6 correspond to the threaded columns 5 one by one. The fasteners 6 are movably sleeved on the threaded columns 5. The fasteners 6 fix the lower end of the leg 1 of the bridge erection machine through nuts.

[0021] The beneficial effects of the present utility model are as follows: By arranging the embedded box 2 at the invert position of the tunnel entrance, after the lower half of the leg 1 of the bridge erection machine is disassembled, the support plate 3 can be lifted or lowered so that the mounting plate 4 is aligned with the lower end of the leg 1 of the bridge erection machine. The leg 1 of the bridge erection machine is fixed on the mounting plate 4 through the fasteners 6. After the fasteners 6 are rotated, they can be quickly fixed through nuts, thereby realizing a stable support effect on the leg 1 of the bridge erection machine, and facilitating the installation and disassembly of the leg 1 of the bridge erection machine. By arranging the mounting plate 4 to be slidable horizontally on the support plate 3, the movement adjustment operation of the support leg of the bridge erection machine can be facilitated.

[0022] Specifically, it further includes two locking blocks 7, multiple card slots 8, two locking holes 9 and two screws 10. The two locking blocks 7 are slidably connected to both sides of the support plate 3. Multiple card slots 8 are evenly formed on both sides of the mounting plate 4. The locking blocks 7 cooperate with the card slots 8. The two locking holes 9 are respectively formed on both sides of the support plate 3. The two screws 10 correspond to the locking holes 9 one by one. After the screws 10 penetrate through the locking blocks 7, they are tightened in the locking holes 9.

[0023] In the above embodiments, when the leg 1 of the bridge erecting machine moves, the screw 10 is separated from the locking block 7, and the card slot 8 and the locking block 7 are in a non-locked state, which facilitates the movement operation of the mounting plate 4 and the leg 1 of the bridge erecting machine. After the movement operation adjustment is completed, the screw 10 can be vertically screwed into the locking hole 9 to achieve a quick locking operation.

[0024] Specifically, it further includes two springs 11. The two springs 11 correspond to the locking blocks 7 one by one. The springs 11 are connected to the locking blocks 7, and the springs 11 provide elastic force for the locking blocks 7.

[0025] In the above embodiments, the spring 11 further improves the practicability of the device. When the mounting plate 4 moves, the spring 11 is repeatedly compressed. There is no need to manually move the locking block 7 to engage with the card slot 8. The spring 11 provides a force for the locking block 7, so that the locking block 7 and the card slot 8 are self-locked. Only by screwing in the screw 10 can the practicability and convenience of the device be further improved.

[0026] Specifically, it further includes a bidirectional lead screw 12, two moving blocks 13, two connecting rods 14, a rotating rod 15, an internal hexagonal nut 16 and a bevel gear set 17. The bidirectional lead screw 12 is rotatably connected to the embedded box 2. The two moving blocks 13 are respectively sleeved at both ends of the bidirectional lead screw 12. The moving blocks 13 are threadedly connected to the bidirectional lead screw 12. The two connecting rods 14 correspond to the moving blocks 13 one by one. The first end of the connecting rod 14 is hinged to the moving block 13, and the second end of the connecting rod 14 is hinged to the lower side of the support plate 3. The rotating rod 15 vertically penetrates through the embedded box 2, and the rotating rod 15 is rotatably connected to the embedded box 2. The internal hexagonal nut 16 is fixedly connected to the upper end of the rotating rod 15, and the bevel gear set 17 realizes the linkage between the rotating rod 15 and the bidirectional lead screw 12.

[0027] In the above embodiments, by turning the internal hexagonal nut 16, the rotation of the rotating rod 15 is realized. Then, through the bevel gear set 17, the rotation of the bidirectional lead screw 12 is realized. When the bidirectional lead screw 12 rotates, the mutual approach or separation operation of the two moving blocks 13 is realized, and then the lifting operation of the support plate 3 and other structures is realized. The setting of the rotating rod 15 enables the operator to perform a convenient lifting operation outside the embedded box 2.

[0028] Specifically, it further includes a plurality of sleeves 18 and a plurality of limiting rods 19. The plurality of sleeves 18 are connected to the lower side of the support plate 3. The plurality of limiting rods 19 correspond to the sleeves 18 one by one. The limiting rods 19 are slidably inserted into the sleeves 18, and the lower ends of the limiting rods 19 are fixedly connected to the bottom of the embedded box 2.

[0029] In the above embodiments, the sleeves 18 and the limiting rods 19 cooperate to achieve the stable operation of the support plate 3, further improving the stability of the support device.

[0030] Specifically, it further includes a plurality of sliders 20 and a plurality of chutes 21. The plurality of sliders 20 are connected to the lower side of the mounting plate 4. A plurality of chutes 21 are formed on the support plate 3. The chutes 21 correspond to the sliders 20 one by one, and the sliders 20 slide in the chutes 21.

[0031] In the above embodiments, the sliding operation of the mounting plate 4 is achieved by means of the chutes 21 and the sliders 20.

[0032] Specifically, it further includes a plurality of rolling grooves 22 and a plurality of balls 23. A plurality of rolling grooves 22 are formed on the support plate 3. The plurality of balls 23 correspond to the rolling grooves 22 one by one. The balls 23 roll in the rolling grooves 22, and the balls 23 are embedded in the lower side of the mounting plate 4.

[0033] In the above embodiments, the arrangement of the balls 23 and the rolling grooves 22 makes the sliding of the mounting plate 4 smoother and further improves the stability during sliding.

[0034] The working principle of the present utility model is as follows: The embedded box 2 is embedded in the inverted arch at the tunnel port. When supporting the support leg of the bridge erecting machine, turn the inner hexagon nut 16 to make the rotating rod 15 rotate. The rotating rod 15 drives the bidirectional lead screw 12 to rotate through the bevel gear set 17. The bidirectional lead screw 12 drives the two moving blocks 13 to move away from or close to each other, thereby realizing the lifting operation of structures such as the support plate 3 and the mounting plate 4. During the lifting process of the support plate 3, the limiting rod 19 slides in the sleeve 18, and the limiting rod 19 and the sleeve 18 achieve the stable lifting of the support plate 3, so that the mounting plate 4 is aligned with the lower end of the support leg 1 of the bridge erecting machine. At this time, the fasteners 6 are loose or disassembled. After docking the lower end of the support leg of the bridge erecting machine at the center position of all the fasteners 6, rotate the fasteners 6 to fasten the lower end of the support leg 1 of the bridge erecting machine with the fasteners 6, and then lock it with a nut;

[0035] The support leg 1 of the bridge erecting machine can slide along with the mounting plate 4, or the sliding of the mounting plate 4 further facilitates the installation of the support leg 1 of the bridge erecting machine. When the mounting plate 4 slides, unscrew the screw 10. At this time, the lock block 7 makes a reciprocating motion due to the action of the spring 11, realizing the repeated engagement or separation operation with the card slot 8. After the position of the mounting plate 4 is adjusted by sliding, tighten the screw 10 so that the screw 10 is screwed into the lock hole 9 of the support plate 3 to realize the fixing operation of the mounting plate 4.

[0036] The above is only a preferred embodiment of the present utility model and is not intended to limit the protection scope of the present utility model.

Claims

1. A bridge erection machine support device for bridge erection construction, comprising a bridge erection machine support leg (1), characterized in that: Also includes: The embedded box (2) is arranged with an upper opening, and the embedded box (2) is arranged at the inverted arch of the tunnel entrance; A support plate (3) is movably connected to the upper opening of the embedded box (2), and the support plate (3) is lifted and lowered in the vertical direction at the opening of the embedded box (2); A mounting plate (4) is slidably connected to the upper side of the support plate (3), and the mounting plate (4) slides on the support plate (3) in a horizontal direction; A plurality of threaded columns (5) are evenly connected to the upper side of the mounting plate (4) along a circumferential direction; A plurality of fasteners (6) correspond to the threaded columns (5) one by one, the fasteners (6) are movably sleeved on the threaded columns (5), and the fasteners (6) fix the lower ends of the bridge erecting machine legs (1) via nuts.

2. A bridge erection machine support device according to claim 1, characterized in that: Also includes: Two locking blocks (7) are slidably connected to two sides of the support plate (3); A plurality of card slots (8), wherein the plurality of card slots (8) are evenly provided on both sides of the mounting plate (4), and the locking block (7) cooperates with the card slots (8); Two locking holes (9) are respectively provided on two sides of the support plate (3); Two screws (10) correspond to the locking holes (9) one by one. The screws (10) penetrate the locking block (7) and are then tightened in the locking holes (9).

3. A bridge erection machine support device for bridge erection construction according to claim 2, characterized in that: Also includes: Two springs (11) correspond to the locking blocks (7) one by one. The springs (11) are connected to the locking blocks (7) and provide elastic force for the locking blocks (7).

4. A bridge erection machine support device for bridge erection construction according to claim 1, characterized in that: Also includes: A bidirectional screw rod (12) is rotatably connected to the embedded box (2); Two moving blocks (13) are respectively sleeved on the two ends of the bidirectional screw rod (12), and the moving blocks (13) are threadedly connected to the bidirectional screw rod (12); Two connecting rods (14) corresponding to the moving blocks (13) one by one, the first ends of the connecting rods (14) being hinged to the moving blocks (13), and the second ends of the connecting rods (14) being hinged to the lower side of the support plate (3); A rotating rod (15) vertically penetrates the embedded box (2), and the rotating rod (15) is rotatably connected to the embedded box (2); A hexagon socket nut (16) fixedly connected to the upper end of the rotating rod (15); The bevel gear set (17) realizes linkage between the rotating rod (15) and the bidirectional screw rod (12).

5. The bridge erection machine support device according to claim 1, characterized in that: Also includes: A plurality of sleeves (18) connected to the lower side of the support plate (3); A plurality of limit rods (19) correspond to the sleeves (18) one by one. The limit rods (19) are slidably inserted in the sleeves (18). The lower ends of the limit rods (19) are fixedly connected to the bottom of the embedded box (2).

6. A bridge erection machine support device for bridge erection construction according to claim 1, characterized in that: Also includes: A plurality of sliders (20) connected to the lower side of the mounting plate (4); A plurality of slide grooves (21), wherein the support plate (3) is provided with a plurality of slide grooves (21), the slide grooves (21) correspond to the sliders (20) one by one, and the sliders (20) slide in the slide grooves (21).

7. A bridge erection machine support device for bridge erection construction according to claim 1, characterized in that: Also includes: A plurality of rolling grooves (22), wherein the support plate (3) is provided with a plurality of rolling grooves (22); A plurality of balls (23) correspond to the rolling grooves (22) one by one. The balls (23) roll in the rolling grooves (22). The balls (23) are embedded in the lower side of the mounting plate (4).

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