Continuous box girder construction supporting structure

Abstract

The utility model discloses a continuous box girder construction supporting structure, which belongs to the technical field of bridge road construction, and comprises two supports, the two supports are symmetrically arranged and are connected through a connecting piece, a supporting table is arranged on the supports, the supporting table is in running fit with the supports, and the connecting piece is arranged on the supporting table. A driving part used for pushing the supporting table to rotate is arranged on the support, telescopic parts are arranged at the bottom of the support and detachably matched with the support, the connecting part comprises a two-way threaded rod and two movable parts, the two-way threaded rod is rotationally arranged at the bottom of the telescopic parts, and the two movable parts are arranged at the two ends of the two-way threaded rod in a sleeving mode respectively; and the movable parts are in threaded fit with the two-way threaded rod, and the two movable parts are connected with the two supports correspondingly, so that different box girders can be conveniently supported, and disassembly is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge road construction technical field more specifically, relate to a continuous box girder construction support structure. BACKGROUND

[0002] Box girder, a kind of beam in bridge engineering, inside is hollow, upper two sides have flange, similar to box, thus named, in the erection process of box girder bridge, to prevent box girder accidental inclination influence construction progress, thus needs to use auxiliary support device for box girder bridge construction, most auxiliary support devices do not have the function of adjusting, it is not convenient to disassemble after erection, there is limitation in use, for the above problems following proposed a kind of solution. CONTENT OF UTILITY MODEL

[0003] In view of the problems in the prior art, the utility model aims at providing a continuous box girder construction support structure, which can conveniently support different box girders and be easily disassembled.

[0004] To solve the above problems, the utility model adopts the following technical scheme.

[0005] A continuous box girder construction support structure includes support, the support is provided with two, two The support is symmetrically arranged, two The support is connected by connecting piece, support is equipped with support platform, support platform and support rotate and cooperate, support is equipped with drive element for driving support platform rotation, the bottom of support is equipped with telescopic piece, telescopic piece and support can be disassembled and cooperate, connecting piece includes two-way threaded rod and movable element, two-way threaded rod is rotatably arranged at the bottom of telescopic piece, movable element is provided with two, two The movable element is respectively set in two-way threaded rod two ends, and movable element and two-way threaded rod are screwed together, two The movable element is respectively connected with two supports.

[0006] Preferably, the drive element includes a drive hydraulic cylinder, the drive hydraulic cylinder is located between the support and the support platform, the fixed end of the drive hydraulic cylinder is hinged to the support, and the output end of the drive hydraulic cylinder is hinged to the support platform.

[0007] Preferably, the telescopic piece includes a base, a support seat and a support hydraulic cylinder, the base and the support seat are symmetrically arranged in the vertical direction, the support hydraulic cylinder is vertically arranged between the base and the support seat, the fixed end of the support hydraulic cylinder is fixedly connected to the base, the output end of the support hydraulic cylinder is fixedly connected to the support seat, and the side surface of the support hydraulic cylinder is uniformly provided with a plurality of limiting pieces, the two ends of the limiting piece are respectively fixedly connected to the support seat and the base.

[0008] Preferably, the movable part comprises a right block, a left block and a fixing bolt, the left block is arranged on one side of the right block, the left block and the right block are in sliding fit, the left block and the right block are detachably fixed by the fixing bolt, the side of the right block and the left block in contact is respectively provided with a connecting groove, the connecting grooves on the left block and the right block can form a complete through groove, the through groove is matched with the bidirectional threaded rod, and the through groove is in threaded fit with the threaded rod.

[0009] Preferably, the limiting part comprises a limiting sleeve and a limiting rod, the limiting rod is arranged in the limiting sleeve, and the limiting rod and the limiting sleeve are in sliding fit.

[0010] Preferably, the top of the support base is symmetrically provided with a guide rail, and the bottom of the support frame is provided with a guide groove, the guide groove and the guide rail correspond to and match with each other.

[0011] Preferably, one end of the bidirectional threaded rod is provided with a hand wheel for rotation.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] Firstly, the two support tables on the two supports are used for fixing the two sides of the box girder, the driving part supports the support tables, the driving part is used for adjusting the angle of the support tables, the two supports are adjusted in distance by the two connecting parts, the height of the support frame is adjusted by the telescopic part, so that different box girders are satisfied, the bidirectional threaded rod and the movable part are used for conveniently adjusting the movement of the two supports at the same time, the symmetry of the whole is ensured, and the adjusting efficiency is improved.

[0014] Secondly, the driving hydraulic oil cylinder is used for supporting the support tables, the length of the driving hydraulic oil cylinder is adjusted, the angle of the support tables is adjusted, the driving hydraulic oil cylinder, the support frame and the support tables are hingedly connected, and the limiting jamming is avoided.

[0015] Thirdly, the base is in contact with the ground, the support base is in contact with the support frame, the support effect is achieved by the supporting hydraulic oil cylinder, the different height requirements are met by changing the length of the supporting hydraulic oil cylinder, and the limiting part is used for stably supporting between the support base and the base.

[0016] Fourthly, the through groove formed by the right block and the left block is in threaded fit with the bidirectional threaded rod, so that the driving is realized by the rotation of the bidirectional threaded rod, the fixed bolt is used, the fixed bolt is disassembled, the left block and the right block are moved, and the separation from the bidirectional threaded rod is realized, so that the position of the adjusting support frame can be quickly adjusted, and the efficiency is improved.

[0017] Fifthly, the sliding fit of the limiting sleeve and the limiting rod makes the movement between the support base and the base only along the axis direction of the limiting rod, and the inclination between the support base and the base can be avoided.

[0018] Six, the design of the guide rail and the guide groove can avoid the separation of the support and the support base, can guide and limit the movement between the support base and the support, can protect the bidirectional threaded rod, and avoid deformation of the bidirectional threaded rod under stress.

[0019] Seven, the hand wheel is used for rotating the bidirectional threaded rod, and the hand wheel can increase the length of the force applying arm and can reduce the output size of rotating the bidirectional threaded rod. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a sectional view structural schematic diagram of the working state of the support and the support base of the utility model;

[0022] Figure 3 It is a sectional view structural schematic diagram of the installation state of the support and the support base of the utility model;

[0023] Figure 4 It is a top view structural schematic diagram of the support base of the utility model;

[0024] Figure 5 It is a bottom view structural schematic diagram of the support base of the utility model;

[0025] Figure 6 It is a schematic diagram of the installation structure of the support and the movable piece of the utility model.

[0026] Explanation of reference numerals in the drawing:

[0027] 1, support; 2, connecting piece; 3, support table; 4, driving piece; 5, telescopic piece; 6, bidirectional threaded rod; 7, movable piece; 8, driving hydraulic oil cylinder; 9, base; 10, support base; 11, supporting hydraulic oil cylinder; 12, right block; 13, left block; 14, fixing bolt; 15, connecting groove; 16, through groove; 17, limiting sleeve; 18, limiting rod; 19, guide rail; 20, guide groove; 21, hand wheel; 22, limiting piece. DETAILED DESCRIPTION

[0028] Example 1:

[0029] Please refer to Figures 1-6The utility model provides a continuous box girder construction support structure, including support 1, two support 1 are provided with, two support 1 are arranged symmetrically, the bottom of two support 1 is provided with telescopic piece 5, telescopic piece 5 includes base 9, support seat 10 and support hydraulic oil cylinder 11, base 9 and support seat 10 are arranged symmetrically in vertical direction, symmetrically set up guide rail 19 on support seat 10, the bottom of support 1 is set up guide groove 20, guide groove 20 and guide rail 19 correspond and mutually adapt, guide rail 19 and guide groove 20 are slidably connected, the design of guide rail 19 and guide groove 20 can avoid the separation of support 1 and support seat 10 simultaneously, can guide and limit the movement between support seat 10 and support 1, support hydraulic oil cylinder 11 is vertically arranged between base 9 and support seat 10, the fixed end of support hydraulic oil cylinder 11 is fixedly connected with base 9, the output end of support hydraulic oil cylinder 11 is fixedly connected with support seat 10, a plurality of limiting pieces 22 are evenly arranged on the side of support hydraulic oil cylinder 11 along the circumference, limiting piece 22 includes limiting sleeve 17 and limiting rod 18, limiting rod 18 is arranged in limiting sleeve 17, limiting rod 18 and limiting sleeve 17 are slidably connected, limiting sleeve 17 is fixedly connected with base 9, limiting rod 18 is fixedly connected with support seat 10, the slidably connected of limiting sleeve 17 and limiting rod 18 make the movement between support seat 10 and base 9 can only follow the axial direction of limiting rod 18, can avoid the inclination between support seat 10 and base 9.

[0030] By the contact of base 9 and ground, by the contact of support seat 10 and support 1, by the support effect of support hydraulic oil cylinder 11, by changing the length of support hydraulic oil cylinder 11 to adapt to the demand of different height, limiting piece 22 is used for the relative position between support seat 10 and base 9, and the stability of the support structure is ensured.

[0031] The connecting piece 2 is connected between the two supports 1, the connecting piece 2 comprises a bidirectional threaded rod 6 and a movable piece 7, the upper end face of the supporting seat 10 is provided with a mounting groove, the mounting groove is located between the two guide rails 19, and the mounting groove and the guide rail 19 are parallel to each other, and the length of the mounting groove is longer than the length of the guide rail 19, so that the movable piece 7 can be connected with the bidirectional threaded rod 6 from the end of the mounting groove, the guide rail 19 cannot hinder the installation, the bidirectional threaded rod 6 is rotationally arranged in the mounting groove, one side of the supporting seat 10 is provided with a hand wheel 21, the output end of the hand wheel 21 is fixedly connected with one end of the bidirectional threaded rod 6 through the supporting seat 10, the output end of the hand wheel 21 is in rotational fit with the supporting seat 10, the movable piece 7 comprises two right blocks 12, two left blocks 13 and two fixed bolts 14, the bottom of the support 1 is provided with a guide rod, the left block 13 and the right block 12 are respectively sleeved on the guide rod, the left block 13 is arranged on one side of the right block 12, and the left block 13 and the right block 12 are in sliding fit with the guide rod, the fixed bolt 14 passes through the left block 13 and the right block 12 in sequence, and the fixed bolt 14 is in threaded fit with the left block 13 and the right block 12, the detachable fixing of the left block 13 and the right block 12 is realized through the fixed bolt 14, the side surfaces of the right block 12 and the left block 13 in contact with each other are respectively provided with connecting grooves 15, the connecting grooves 15 are located between the guide rod and the fixed bolt 14, and the connecting grooves 15 on the left block 13 and the right block 12 can form a complete through groove 16, the through groove 16 is adapted to one end of the bidirectional threaded rod 6, and the through groove 16 is in threaded fit with the threaded rod.

[0032] The through groove 16 formed by the right block 12 and the left block 13 is in threaded fit with the bidirectional threaded rod 6, the movable piece 7 can be driven to move along the axial direction of the bidirectional threaded rod 6 by rotating the bidirectional threaded rod 6, and the right block 12 and the left block 13 are connected through the fixed bolt 14, when disassembled, the fixed bolt 14 is disassembled, and then the left block 13 and the right block 12 are moved, so that the movable piece 7 is separated from the bidirectional threaded rod 6, that is, the position of the support 1 can be quickly adjusted, and the efficiency is improved.

[0033] The support 1 is provided with a supporting table 3, the supporting table 3 is in rotational fit with the support 1, the support 1 is provided with a driving piece 4 for driving the supporting table 3 to rotate, the driving piece 4 comprises a driving hydraulic oil cylinder 8, the driving hydraulic oil cylinder 8 is located between the support 1 and the supporting table 3, the fixed end of the driving hydraulic oil cylinder 8 is hinged to the support 1, and the output end of the driving hydraulic oil cylinder 8 is hinged to the supporting table 3.

[0034] The two supporting tables 3 on the two supports 1 are used for fixing the two sides of the box girder, the driving piece 4 supports the supporting table 3, the driving piece 4 is used for adjusting the angle of the supporting table 3, the distance between the two supports 1 is adjusted through the two connecting pieces 2, and the height of the support 1 can be adjusted through the telescopic piece 5, so that different requirements of the box girder are met.

[0035] Working principle:

[0036] In use, the telescopic part 5 is symmetrically arranged at the bottom of the box girder, and the corresponding two supports 1 are arranged at the top of the support seat 10. The movable part 7 at the bottom of the support 1 is placed in the installation slot, the support 1 is pushed, the guide groove 20 is moved, the guide groove 20 and the guide rail 19 are matched, the guide groove 20 moves along the guide rail 19, and the left block 13 and the right block 12 are respectively sleeved on one end of the two-way threaded rod 6. The connection groove 15 and the two-way threaded rod 6 are matched, the left block 13 and the right block 12 are fixed by the fixing bolt 14, the two connection grooves 15 form a complete through groove 16, the through groove 16 and one end of the two-way threaded rod 6 are screwed, the two ends of the two-way threaded rod 6 are screwed in opposite directions, the hand wheel 21 drives the two-way threaded rod 6 to rotate, and the two movable parts 7 move towards each other, that is, the two supports 1 move towards each other, so that the position of the support 1 is fixed and adjusted. The driving hydraulic oil cylinder 8 is started, the driving hydraulic oil cylinder 8 drives the support table 3 to rotate, so that the support table 3 adapts to the bottom of the box girder, the two sides of the box girder are limited by the support table 3, the supporting hydraulic oil cylinder 11 is started, the supporting hydraulic oil cylinder 11 drives the support seat 10 to move upwards, so that the two supports 1 support the bottom of the box girder.

[0037] The height of the support seat 10 can be adjusted by the supporting hydraulic oil cylinder 11, the height of the support seat 10 can be adjusted by the driving hydraulic oil cylinder 8, the angle of the support table 3 can be adjusted, and the box girder of different angles can be satisfied. The distance between the two support tables 3 can be adjusted by the two-way threaded rod 6, so that the box girder of different widths can be satisfied, and the adaptability is strong.

[0038] The left block 13 and the right block 12 are connected with the two-way threaded rod 6 in a matched manner, the left block 13 and the right block 12 can be quickly installed or disassembled with the two-way threaded rod 6 by separating the left block 13 and the right block 12, and the two-way threaded rod 6 does not need to be adjusted during the installation and disassembly of the whole device, so that the installation and disassembly efficiency of the whole device can be improved.

Claims

1. A continuous box girder construction support structure, characterized by: The utility model provides a support device, including support (1), two support (1) are arranged symmetrically, two support (1) are connected with connecting piece (2), support (1) is installed with support platform (3), support platform (3) and support (1) rotate and cooperate, support (1) is provided with the drive member (4) for pushing support platform (3) rotation, the bottom of support (1) is provided with telescopic spare (5), telescopic spare (5) and support (1) can be detachably cooperated, connecting piece (2) includes two -way threaded rod (6) and movable part (7), two -way threaded rod (6) rotates the bottom of telescopic spare (5) and is arranged, movable part (7) is provided with two, two movable part (7) is respectively set in two -way threaded rod (6) both ends, and movable part (7) and two -way threaded rod (6) are threadedly connected, two movable part (7) are connected with two support (1) respectively.

2. The continuous box girder construction support structure according to claim 1, wherein: The drive member (4) includes a drive hydraulic cylinder (8), the drive hydraulic cylinder (8) is located between the support (1) and the support platform (3), the fixed end of the drive hydraulic cylinder (8) is hinged to the support (1), and the output end of the drive hydraulic cylinder (8) is hinged to the support platform (3).

3. The continuous box girder construction support structure according to claim 1, wherein: The telescopic spare (5) includes a base (9), a support seat (10) and a support hydraulic cylinder (11), the base (9) and the support seat (10) are arranged symmetrically in the vertical direction, the support hydraulic cylinder (11) is arranged vertically between the base (9) and the support seat (10), the fixed end of the support hydraulic cylinder (11) is fixedly connected to the base (9), the output end of the support hydraulic cylinder (11) is fixedly connected to the support seat (10), and the side surfaces of the support hydraulic cylinder (11) are uniformly provided with a plurality of limiting members (22), the two ends of each limiting member (22) are fixedly connected to the support seat (10) and the base (9) respectively.

4. The continuous box girder construction support structure according to claim 1, wherein: The movable part (7) includes a right block (12), a left block (13) and a fixing bolt (14), the left block (13) is arranged on one side of the right block (12), the left block (13) and the right block (12) are slidably connected, the left block (13) and the right block (12) are detachably fixed by the fixing bolt (14), the side surfaces of the right block (12) and the left block (13) in contact with each other are respectively provided with connecting grooves (15), the connecting grooves (15) on the right block (12) and the left block (13) can form a complete through groove (16), the through groove (16) is matched with the two-way threaded rod (6), and the through groove (16) is threadedly connected with the threaded rod.

5. The continuous box girder construction support structure according to claim 3, wherein: The limiting member (22) includes a limiting sleeve (17) and a limiting rod (18), the limiting rod (18) is arranged in the limiting sleeve (17), and the limiting rod (18) and the limiting sleeve (17) are slidably connected.

6. The continuous box girder construction support structure according to claim 3, wherein: The top of the support seat (10) is symmetrically provided with a guide rail (19), and the bottom of the support (1) is provided with a guide groove (20), the guide groove (20) corresponds to the guide rail (19) and is matched with each other.

7. The continuous box girder construction support structure according to claim 1, wherein: One end of the two-way threaded rod (6) is provided with a hand wheel (21) for rotation.

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