Bridge engineering bridge girder erection machine construction fast adjusting support

By using a threaded rotary telescopic mechanism and a retractable bottom structure, the problem of adjusting the support height and bottom area during bridge erection machine construction was solved, thereby improving the adaptability and transportation efficiency of the bridge erection machine.

CN223607759UActive Publication Date: 2025-11-28CCCC (CHONGQING) HEAVY IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423170603.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-28
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing bridge erecting machine construction equipment cannot accurately adjust the support height and cannot adapt to changes in terrain, resulting in the main beam of the bridge erecting machine being non-level, unable to provide a stable working platform, and the bottom area cannot match the piers of different spans, increasing the space occupied for transportation.

Method used

The system employs a threaded rotary telescopic mechanism and a retractable bottom structure. By driving the threaded rod and the positive and negative lead screws with a motor, the height of the support and the area of ​​the bottom surface can be precisely adjusted, ensuring that the main beam of the bridge erecting machine is level and can adapt to different pier sizes.

Benefits of technology

It enables precise adjustment of the support height and bottom area, ensuring the main beam of the bridge erecting machine is level, providing a stable working platform, and reducing space occupation during transportation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223607759U_ABST
    Figure CN223607759U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of bridge girder erection machine construction, and provides a bridge engineering bridge girder erection machine construction fast adjusting support which comprises two main supports, auxiliary supports are movably embedded in the inner surfaces of the main supports, lining plates are fixedly connected to the inner surfaces of the main supports, threaded rods are rotatably connected to the interiors of the lining plates, and the threaded rods are fixedly connected to the inner surfaces of the main supports. An inner threaded block is in threaded connection with the outer surface of the threaded rod, fixing plates are fixedly connected to the two sides of the inner threaded block, the sides, away from the inner threaded block, of the two fixing plates are fixedly connected to the inner surface of the auxiliary support, and a driven bevel gear is fixedly connected to the top of the threaded rod; and the outer surface of the driven bevel gear is in engaged connection with a driving bevel gear. The device is provided with the threaded rotating telescopic mechanism, the height of the support can be accurately adjusted, the bridge erecting machine can adapt to the topographic change, it is ensured that the main beam of the bridge erecting machine is in the horizontal state, and a stable working platform is provided for follow-up bridge body erecting.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge erecting machine construction technical field especially relates to a bridge engineering bridge erecting machine construction quick adjusting support. BACKGROUND

[0002] The bridge erecting machine construction quick adjusting support has the following effects: in the construction process of the bridge erecting machine, the terrain condition of the construction site is often complex and changeable, and the quick adjusting support can quickly adjust the working height of the bridge erecting machine to adapt to the change of the pier height. In this way, the bridge erecting machine can be quickly adjusted to the appropriate height whether it is located on a high mountain slope or a pier in a valley, ensuring the smooth erection of the girder body and greatly improving the construction efficiency. The accurate installation of the girder body is a key link in the bridge erection. The quick adjusting support can quickly fine-tune the position of the girder body in the horizontal and vertical directions. When the girder body is hoisted to the vicinity of the pier, some positional deviations may occur. By adjusting the support, the girder body can be quickly adjusted to the accurate installation position, and the axis of the girder body is accurately aligned with the center line of the pier.

[0003] However, the prior art such as Chinese Publication No. CN219839954U, "Bridge erecting machine connecting support", provides a bridge erecting machine connecting support, which is set on the boundary pier and includes an extension component, an anchor bar, and a support. The extension component is set on the boundary pier to extend outward to form a position space; the anchor bar is pre-buried in the boundary pier and connected with the extension component to fix the position of the extension component; the utility model is suitable for the support setting of the bridge erecting machine, can perform regular operations with the materials on the construction site, provides a front support point and a moving track for the bridge erecting machine to cross, realizes the operation of the bridge erecting machine to cross, and improves the universality of the bridge erecting machine.

[0004] However, this device does not have a threaded rotating telescopic mechanism, which cannot accurately adjust the height of the support, resulting in the bridge erecting machine being unable to adapt to the change of the terrain, failing to ensure that the main girder of the bridge erecting machine is in a horizontal state, and being unable to provide a stable working platform for the subsequent erection of the bridge girder body. The device does not have a bottom area telescopic structure, and the size and span of the pier vary depending on the design of the bridge. When the bridge erecting machine works between piers of different spans, the fixed bottom area cannot better match the size of the top surface of the pier, and the support cannot be shrunk to the minimum bottom area during transportation, thereby reducing the space occupation during transportation. UTILITY MODEL CONTENTS

[0005] The utility model discloses a bridge engineering bridge erecting machine construction quick adjustment support, including two main supports, the inner surface movable inlay of main support is equipped with vice support, the inner surface fixed connection of main support has the lining plate, the inside rotation of lining plate is connected with screw rod, the outer surface screw thread connection of screw rod has internal thread block, the both sides fixed connection of internal thread block has fixed plate, two fixed plate away from internal thread block one side fixed connection in the inner surface of vice support, the top fixed connection of screw rod has driven bevel gear, the outer surface meshing connection of driven bevel gear has driving bevel gear, the inside fixed inlay of two driving bevel gears is equipped with power pole, the outer surface rotation of power pole is connected in the inside of two main supports and extends one end, and rotating screw thread will drive internal thread block, because internal thread block is connected in the inner surface of vice support through fixed plate, so rotating screw thread will drive, and vice support is stretched out downward in the inner surface of main support, and bears the weight of device.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a bridge engineering bridge erecting machine construction quick adjustment support, including two main supports, the inner surface movable inlay of main support is equipped with vice support, the inner surface fixed connection of main support has the lining plate, the inside rotation of lining plate is connected with screw rod, the outer surface screw thread connection of screw rod has internal thread block, the both sides fixed connection of internal thread block has fixed plate, two fixed plate away from internal thread block one side fixed connection in the inner surface of vice support, the top fixed connection of screw rod has driven bevel gear, the outer surface meshing connection of driven bevel gear has driving bevel gear, the inside fixed inlay of two driving bevel gears is equipped with power pole, the outer surface rotation of power pole is connected in the inside of two main supports and extends one end, and rotating screw thread will drive internal thread block, because internal thread block is connected in the inner surface of vice support through fixed plate, so rotating screw thread will drive, and vice support is stretched out downward in the inner surface of main support, and bears the weight of device.

[0007] As a preferred implementation, the inner side of the two main supports is rotatably connected with a protective shell, the inner surface of the protective shell is fixedly connected with a stabilizing block, the inside of the stabilizing block is rotatably connected with the outer surface of the power rod, and the stabilizing block makes the power rod rotate more stably inside the protective shell.

[0008] As a preferred implementation, one side of the main support is fixedly connected with a mounting sleeve, the inner surface of the mounting sleeve is fixedly inlaid with a first motor, the output end of the first motor is fixedly connected with the end of the power rod extending out, and the first motor is fixed on one side of the main support through the mounting sleeve.

[0009] As a preferred implementation, the inner side of the two main supports is fixedly connected with two fixed frames, and the top of the two main supports is fixedly connected with a moving frame. The main support moves on the pier through the moving frame.

[0010] As a preferred implementation, the bottom of the vice support is fixedly connected with a fixed shell, and the outer surface of the fixed shell movably sleeves two expanding shells. According to the width of the pier, the length of the expanding shell and the fixed shell is adjusted.

[0011] As a preferred implementation form, the inner surface of the fixed shell is fixedly connected with two shaft plates, and a positive and negative screw rod is rotatably connected inside the two shaft plates and extends from one end.

[0012] As a preferred implementation form, the outer surface of the positive and negative screw rod is threadedly connected with two internally threaded sleeves, the outer surface of the internally threaded sleeves is fixedly connected with two connecting plates, both sides of the fixed shell are provided with through grooves, and the one end of the two connecting plates away from the internally threaded sleeves is fixedly connected with the inner surface of the outer expansion shell.

[0013] As a preferred implementation form, the inner surface of the fixed shell is fixedly connected with two connecting rods, and the one end of the two connecting rods away from the fixed shell is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with the one end of the positive and negative screw rod extending out.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、 the utility model discloses, device sets up thread rotation telescopic mechanism, can accurately adjust the height of support, so that the bridge erecting machine can adapt to this topography change, ensure that the bridge erecting machine girder is in the horizontal state, provide stable work platform for the bridge body erecting of subsequent.

[0016] 2、 the utility model discloses, device sets up bottom area telescopic structure, when the bridge erecting machine works between the bridge pier of different span, adjustable bottom area can better match the size of bridge pier top surface, make support shrink to the state of minimum bottom area in the transportation process, thereby reduce the space occupation in the transportation process. SHEET DESCRIPTION

[0017] Figure 1 It is a three-dimensional structure schematic view of the quick adjustment support of the bridge engineering bridge erecting machine construction provided by the utility model;

[0018] Figure 2 It is a side structure schematic view of the quick adjustment support of the bridge engineering bridge erecting machine construction provided by the utility model;

[0019] Figure 3 It is a cross section structure schematic view of the quick adjustment support of the bridge engineering bridge erecting machine construction provided by the utility model;

[0020] Figure 4 It is a disassembly structure schematic view of the quick adjustment support of the bridge engineering bridge erecting machine construction provided by the utility model.

[0021] Figure 5 The utility model provides a bridge engineering bridge erecting machine construction quick adjusting support Figure 3 The enlarged structure of the A is shown in the figure.

[0022] Legend:

[0023] 1, main support; 2, vice support; 3, lining plate; 4, threaded rod; 5, internal thread block; 6, fixed plate; 7, driven bevel gear; 8, driving bevel gear; 9, power rod; 10, protective shell; 11, stabilizing block; 12, mounting sleeve; 13, first motor; 14, fixed frame; 15, moving frame; 16, fixed shell; 17, outer expansion shell; 18, shaft plate; 19, positive and negative screw rod; 20, internal thread sleeve; 21, connecting plate; 22, through slot; 23, connecting rod; 24, second motor. Specific embodiments

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a bridge engineering bridge erecting machine construction quick adjusting support, including two main supports 1, the inner surface of main support 1 is movably embedded with vice support 2, the inner surface of main support 1 is fixedly connected with lining plate 3, the inside of lining plate 3 is rotatably connected with threaded rod 4, the outer surface of threaded rod 4 is threadedly connected with internal thread block 5, the both sides of internal thread block 5 are fixedly connected with fixed plate 6, the inner surface of vice support 2 is fixedly connected with the side of the two fixed plates 6 away from internal thread block 5, the top of threaded rod 4 is fixedly connected with driven bevel gear 7, the outer surface of driven bevel gear 7 is meshingly connected with driving bevel gear 8, the inside of the two driving bevel gears 8 is fixedly embedded with power rod 9, the outer surface of power rod 9 is rotatably connected in the inside of the two main supports 1 and extends one end, the driving bevel gear 8 of following power rod 9 rotation will make threaded rod 4 rotate in the inside of lining plate 3 under the meshing effect of driven bevel gear 7.

[0026] As Figures 1 to 5 The inner side of the two main supports 1 is rotatably connected with protective shell 10, the inner surface of protective shell 10 is fixedly connected with stabilizing block 11, the inside of stabilizing block 11 is rotatably connected with the outer surface of power rod 9, stabilizing block 11 makes power rod 9 rotate more stably in the inside of protective shell 10.

[0027] AsFigures 1 to 5 As shown, one side of the main support 1 is fixedly connected with a mounting sleeve 12, the inner surface of the mounting sleeve 12 is fixedly embedded with a first motor 13, the output end of the first motor 13 is fixedly connected to one end of the power rod 9, and the first motor 13 will drive the power rod 9 to rotate in the main support 1 after being powered on.

[0028] As shown in the figure, Figures 1 to 5 As shown, the inner sides of the two main supports 1 are fixedly connected with two fixed frames 14, and the top of the two main supports 1 is fixedly connected with a moving frame 15, and the fixed frame 14 serves to fix the two main supports 1.

[0029] As shown in the figure, Figures 1 to 5 As shown, the bottom of the auxiliary support 2 is fixedly connected with a fixed shell 16, and the outer surface of the fixed shell 16 movably sleeves two outer expansion shells 17. First, adjust the length of the outer expansion shell 17 and the fixed shell 16 according to the width of the pier.

[0030] As shown in the figure, Figures 1 to 5 As shown, the inner surface of the fixed shell 16 is fixedly connected with two shaft plates 18 at the bottom, and the inside of the two shaft plates 18 is rotatably connected with a forward and reverse screw rod 19 and extends one end, and the forward and reverse screw rod 19 can rotate in the shaft plate 18.

[0031] As shown in the figure, Figures 1 to 5 As shown, the outer surface of the forward and reverse screw rod 19 is threadedly connected with two internal thread sleeves 20, the outer surface of the internal thread sleeve 20 is fixedly connected with two connecting plates 21, the two sides of the fixed shell 16 are provided with through grooves 22, and the end of the two connecting plates 21 away from the internal thread sleeve 20 is fixedly connected to the inner surface of the outer expansion shell 17. The outer surface of the connecting plate 21 is arranged in the through groove 22, and the rotating thread will drive the internal thread sleeve 20.

[0032] As shown in the figure, Figures 1 to 5 As shown, the inner surface of the fixed shell 16 is fixedly connected with two connecting rods 23, and the end of the two connecting rods 23 away from the fixed shell 16 is fixedly connected with a second motor 24, and the output end of the second motor 24 is fixedly connected to one end of the forward and reverse screw rod 19. The second motor 24 is fixed in the inside of the fixed shell 16 through the connecting rod 23.

[0033] Working principle: first according to the width of the pier, the length of the outer shell 17 and fixed shell 16 can be adjusted, the external power supply of the second motor 24 can be started, the model of the second motor 24 is BYG, the rated power is 222W, the second motor 24 is fixed in the inside of the fixed shell 16 through the connecting rod 23, the second motor 24 will drive the positive and negative screw rod 19 to rotate in the shaft plate 18 after being electrified, the rotating screw will drive the inner threaded sleeve 20, because the connecting plate 21 can only move along the slotting direction of the through slot 22, so the rotating screw can drive the two inner threaded sleeves 20 and the outer shell 17 to move away from each other along the slotting direction of the through slot 22, so as to adjust the length of the outer shell 17 and the fixed shell 16, when the main support 1 moves on the pier through the moving frame 15, the external power supply of the first motor 13 is started, the model of the first motor 13 is DOY106, the rated power is 750W, the first motor 13 is fixed on one side of the main support 1 through the mounting sleeve 12, the first motor 13 will drive the power rod 9 to rotate in the main support 1 after being electrified, the stable block 11 makes the power rod 9 rotate more stably in the protection shell 10, the driving bevel gear 8 rotating with the power rod 9 will make the threaded rod 4 rotate in the lining plate 3 under the meshing action of the driven bevel gear 7, the rotating screw will drive the inner threaded block 5, because the inner threaded block 5 is connected to the inner surface of the auxiliary support 2 through the fixed plate 6, so the rotating screw will drive the auxiliary support 2 to stretch out downward on the inner surface of the main support 1 and bear the weight of the device, the fixed frame 14 plays a role in fixing the two main supports 1.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A bridge engineering bridge erecting machine construction fast adjustment support, comprising two main supports (1), characterized in that, The inner surface of the main support (1) movably embeds a vice support (2), the inner surface of the main support (1) is fixedly connected with a lining plate (3), the inside of the lining plate (3) is rotatably connected with a threaded rod (4), the outer surface of the threaded rod (4) is threadedly connected with an internal threaded block (5), the two sides of the internal threaded block (5) are fixedly connected with a fixed plate (6), the sides, away from the internal threaded block (5), of the two fixed plates (6) are fixedly connected to the inner surface of the vice support (2), the top of the threaded rod (4) is fixedly connected with a driven bevel gear (7), the outer surface of the driven bevel gear (7) is meshedly connected with a driving bevel gear (8), the inside of the two driving bevel gears (8) movably embeds a power rod (9), and the outer surface of the power rod (9) is rotatably connected inside the two main supports (1) and extends out one end.

2. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 1, characterized in that: The inner side of the two main supports (1) is rotatably connected with a protective shell (10), the inner surface of the protective shell (10) is fixedly connected with a stabilizing block (11), and the inside of the stabilizing block (11) is rotatably connected to the outer surface of the power rod (9).

3. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 2, characterized in that: One side of the main support (1) is fixedly connected with a mounting sleeve (12), the inner surface of the mounting sleeve (12) movably embeds a first motor (13), and the output end of the first motor (13) is fixedly connected to the end extended out of the power rod (9).

4. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 3, characterized in that: The inner side of the two main supports (1) is fixedly connected with two fixed frames (14), and the top of the two main supports (1) is fixedly connected with a moving frame (15).

5. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 4, characterized in that: The bottom of the vice support (2) is fixedly connected with a fixed shell (16), and the outer surface of the fixed shell (16) movably sleeves two expanding shells (17).

6. The bridge engineering bridge erecting machine construction quick adjustment support according to claim 5, characterized in that: The inner surface of the fixed shell (16) is fixedly connected with two shaft plates (18), the inside of the two shaft plates (18) is rotatably connected with a reversible screw rod (19) and extends out one end.

7. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 6, characterized in that: The outer surface of the reversible screw rod (19) is threadedly connected with two internal threaded sleeves (20), the outer surface of the internal threaded sleeve (20) is fixedly connected with two connecting plates (21), the two sides of the fixed shell (16) are provided with through grooves (22), one end of the two connecting plates (21), away from the internal threaded sleeve (20), is fixedly connected to the inner surface of the expanding shell (17), and the outer surface of the connecting plate (21) is arranged inside the through groove (22).

8. The bridge engineering bridge erecting machine construction quick-adjusting support according to claim 7, characterized in that: The inner surface of the fixed shell (16) is fixedly connected with two connecting rods (23), one end of the two connecting rods (23), away from the fixed shell (16), is fixedly connected with a second motor (24), and the output end of the second motor (24) is fixedly connected to the end extended out of the reversible screw rod (19).

Citation Information

Patent Citations

  • Connecting bracket of bridge girder erection machine

    CN219839954U