Transverse moving device for mounting precast beam with small curve radius
By designing a lateral movement device for installing precast beams with small curve radii, the problems of inaccurate lateral movement, high cost, and high risk of overturning during the installation of precast bridge beams were solved. This device enabled accurate positioning and fixing of the precast beams, reduced lateral movement resistance, and improved operational safety and precision.
Patent Information
- Application Number
- CN202520086628.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing technologies for installing precast bridge beams suffer from problems such as inaccurate lateral movement, high costs, high risk of overturning, and insufficient fixing measures.
A transverse movement device for installing precast beams with small curve radii was designed, including a support base, a limiting structure, pulleys, adjusting components, and a rotating mechanism. The position and angle of the support beam are adjusted by the adjusting components and the rotating mechanism to ensure accurate positioning and fixation of the precast beam and the beam cover, thereby reducing the risk of overturning.
This method enables accurate positioning and fixing of precast beams, reduces lateral resistance, lowers costs, and improves operational safety and precision.
Smart Images

Figure CN223893252U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction equipment technology, and more specifically, to a transverse movement device for installing precast beams with small curve radii. Background Technology
[0002] After the superstructure of the bridge is erected, the load of construction and transportation vehicles will cause a slight lateral movement of the superstructure towards the inside of the curve.
[0003] The commonly used lateral movement method involves placing the precast T-beam onto a supporting mechanism, which then moves along a predetermined track using thrust. However, this method presents several problems in practice: First, the lateral movement distances at the abutment and the cap beam end often differ, causing the supporting mechanism to "bite" the track, increasing lateral movement resistance and potentially preventing further movement. Second, directly fixing the precast T-beam to the supporting mechanism requires not only sufficient strength but also additional support structures, increasing costs. Third, the lack of measures to secure the precast T-beam to existing structures increases the risk of overturning during lateral movement. Fourth, accurate control is difficult when the beam is nearing its final position, and there is often no convenient method to reverse it after over-movement. Utility Model Content
[0004] The purpose of this utility model is to provide a transverse movement device for installing precast beams with small curve radii, which addresses the shortcomings of existing technologies and solves the problems mentioned in the background.
[0005] The technical solution of this utility model is implemented as follows:
[0006] The utility model provides a transverse movement device for installing precast beams with small curve radii, including a support base and two sets of limiting structures. Both sets of limiting structures are installed on the side wall of the support base. Support beams are slidably provided in each limiting structure. The support base is provided with a second adjusting member for driving the two support beams to reciprocate. Several first adjusting members are installed on the side wall of the support base and are respectively connected to the two sets of limiting structures.
[0007] In some technical solutions of this utility model, the limiting structure includes two sets of limiting seats. Each limiting seat has a pulley rotatably mounted on its two opposite side walls. Each supporting beam has a limiting groove on its two side walls. The pulley is embedded in the limiting groove. The telescopic end of the first adjusting member is connected to the outer side wall of the limiting seat. The body of the first adjusting member is fixedly connected to the supporting base.
[0008] In some technical solutions of this utility model, a connecting frame is installed between the opposite side walls of the two support beams, the telescopic end of the second adjusting member is hinged to the connecting frame, and the body of the second adjusting member is rotatably connected to the support base.
[0009] In some technical solutions of this utility model, a frame is rotatably mounted on the bottom of the support base, multiple load-bearing wheels are mounted on the side wall of the frame, and a rotation mechanism for driving the frame to rotate is provided on the support base.
[0010] In some technical solutions of this utility model, the rotating mechanism includes a first drive motor mounted on a support base, an internal gear ring mounted on the side wall of the frame, a drive gear mounted on the output end of the first drive motor, and two driven gears mounted on the side wall of the support base. The internal gear ring and the drive gear mesh with the driven gears.
[0011] In some technical solutions of this utility model, the support base is U-shaped.
[0012] In some technical solutions of this utility model, the side wall of the support beam is provided with concave and convex scratches.
[0013] Compared with the prior art, this utility model has at least the following advantages or beneficial effects: The two support beams located on the support base provide an upward thrust in the vertical direction to the bottom of the box girder under the adjustment of the first adjusting member, creating a space for movement between the box girder and the beam cover, facilitating the adjustment of the relative position of the beam and the beam cover. This structure also prevents the risk of the support base overturning on the beam cover. Both sets of limiting structures are installed on the side walls of the support base. Support beams are slidably arranged within each limiting structure. A second adjusting member is provided on the support base to drive the two support beams to reciprocate. By pushing the two support beams to move slightly within the limiting structure along the extension direction of the support base, the box girder sitting on the support beams can be adjusted to move laterally within the beam cover, positioning the box girder in a suitable position within the beam cover. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the working structure of this utility model.
[0015] Figure 2 This is a three-dimensional structural diagram of the transverse movement device in this utility model.
[0016] Figure 3 This is a side sectional view of the transverse movement device in this utility model.
[0017] Figure 4 This is a cross-sectional schematic diagram of the rotating mechanism in this utility model.
[0018] Figure 5 This is a schematic diagram of the combined structure of the internal gear ring and the drive gear in this utility model.
[0019] Reference numerals in the attached drawings: 1. Box girder; 2. Beam cap; 3. Limiting seat; 4. Support beam; 5. Support base; 6. Bearing wheel; 7. First adjusting component; 8. Second adjusting component; 9. Pulley; 10. Frame; 11. First drive motor; 12. Internal gear ring; 13. Drive gear; 14. Driven gear. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0022] Example
[0023] This utility model provides a transverse movement device for installing precast beams with small curve radii, such as... Figure 1 , Figure 2 As shown, the structure includes a support base 5 and two sets of limiting structures. The support base 5 is a U-shaped steel frame structure with good load-bearing capacity. The U-shaped area formed by the support base 5 allows the support seat to be placed within the U-shaped area of the support base 5 when the end of the box girder 1 is seated within the support seat of the beam cover 2. This prevents the support seat from interfering with the installation position of the support base 5 on the beam cover 2. Under the adjustment of the first adjusting member 7, the two support beams 4 located on the support base 5 provide an upward thrust in the vertical direction to the bottom of the box girder 1, creating space between the box girder 1 and the beam cover 2, facilitating the adjustment of their relative positions. This structure also prevents the risk of the support base 5 overturning on the beam cover 2. Both sets of limiting structures are installed on the side walls of the support base 5. The limiting structure is equipped with a sliding support beam 4. The support base 5 is equipped with a second adjusting member 8 to drive the two support beams 4 to reciprocate. After the two support beams 4 are pushed to move slightly within the limiting structure along the extension direction of the support base 5 by the second adjusting member 8, the box beam 1 sitting on the support beam 4 can be adjusted to move laterally within the beam cover 2, so that the box beam 1 is located in a suitable position in the beam cover 2.
[0024] In some technical solutions of this utility model, the limiting structure includes two sets of limiting seats 3. The limiting seats 3 are U-shaped and are formed by bending a sheet metal using a bending device. Pulleys 9 are rotatably mounted on the two opposite side walls of the limiting seats 3 via pins. The pulleys 9 are located inside the limiting seats 3, within the U-shaped area of the limiting seats 3. The support beam 4 is an I-beam structure. Limiting grooves are formed on both side walls of the support beam 4. The pulleys 9 are embedded in the limiting grooves, and the wheel surfaces of the pulleys 9 abut against the two opposite inner side walls of the limiting grooves. This supports the support beam 4 while reducing the friction between the pulleys 9 and the support beam 4, ensuring smooth sliding of the support beam 4 within the limiting structure. The telescopic end of the first adjusting member 7 is fixedly connected to the outer side wall of the limiting seat 3 by bolts, and the body of the first adjusting member 7 is fixedly connected to the support base 5 by bolts.
[0025] Preferably, the first adjusting element 7 is a hydraulic push rod. The number of first adjusting elements 7 installed between the limiting seat 3 and the support base 5 can be 1, 2, 3 or 4, used to increase the load-bearing capacity of the support beam 4, so that the above structure can lift precast beams of different sizes.
[0026] In some technical solutions of this utility model, a connecting frame is installed between the opposite sidewalls of the two support beams 4. The connecting frame is fixed between the two support beams 4 by bolts, which can increase the connection strength of the two support beams 4 and ensure that the two support beams 4 move synchronously within the limiting structure. The telescopic end of the second adjusting member 8 is hinged to the connecting frame by a pin, and the body of the second adjusting member 8 is rotatably connected to the support base 5 by a pin. Preferably, the second adjusting member 8 is a hydraulic push rod. There can be two second adjusting members 8, which are used to increase the load-bearing capacity of the support beams 4, so that the above structure can lift precast beams of different sizes.
[0027] In some technical solutions of this utility model, two frames 10 are rotatably mounted on the bottom of the support base 5, and the two frames 10 are respectively set on two vertical sections of the support base 5. Multiple load-bearing wheels 6 are installed on the side walls of the frames 10, and a rotating mechanism for driving the frames 10 to rotate is provided on each of the two vertical sections of the support base 5. The two rotating mechanisms can move synchronously or in opposite directions. This allows the support base 5 to rotate a certain angle on the frames 10, thereby changing the relative position of the box girder 1 and the beam cover 2, so that the box girder 1 located on the support base 5 can rotate a certain angle within the beam cover 2 under the adjustment of the above-mentioned structure, allowing the box girder 1 to sit more accurately on the support structure within the beam cover 2.
[0028] In some technical solutions of this utility model, the rotating mechanism includes a first drive motor 11 mounted on a support base 5, an internal gear ring 12 mounted on the side wall of the frame 10, a drive gear 13 mounted on the output end of the first drive motor 11, and two driven gears 14 mounted on the side wall of the support base 5. The internal gear ring 12 and the drive gear 13 are all meshed with the driven gears 14. When the operator starts the first drive motor 11, the internal gear ring 12, driven by the drive gear 13 and the driven gears 14, changes the relative position of the frame 10 and the support base 5. Even when the frame 10 rotates relative to the support base 5, the box girder 1 located on the support base 5 can rotate at a certain angle within the beam cover 2 under the adjustment of the above structure, so that the box girder 1 sits on the support structure within the beam cover 2 in a more accurate posture.
[0029] In some technical solutions of this utility model, the side wall of the support beam 4 is provided with raised and recessed scratches. The raised and recessed scratches can increase the friction between the support beam 4 and the box girder 1, preventing the box girder 1 from shifting on the support beam 4 and affecting the adjustment accuracy of the box girder 1.
[0030] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A transverse movement device for installing precast beams with small curve radii, characterized in that, It includes a support base (5) and two sets of limiting structures. Both sets of limiting structures are installed on the side wall of the support base (5). Each limiting structure has a sliding support beam (4). The support base (5) is provided with a second adjusting member (8) for driving the two support beams (4) to reciprocate. Several first adjusting members (7) are installed on the side wall of the support base (5) and are respectively connected to the two sets of limiting structures.
2. The transverse movement device for installing precast beams with small curve radii according to claim 1, characterized in that, The limiting structure includes two sets of limiting seats (3). Each limiting seat (3) has a pulley (9) rotatably mounted on its two opposite side walls. Each supporting beam (4) has a limiting groove on its two side walls. The pulley (9) is embedded in the limiting groove. The telescopic end of the first adjusting member (7) is connected to the outer side wall of the limiting seat (3). The body of the first adjusting member (7) is fixedly connected to the supporting base (5).
3. The transverse movement device for installing precast beams with small curve radii according to claim 1, characterized in that, A connecting frame is installed between the opposite side walls of the two support beams (4), the telescopic end of the second adjusting member (8) is hinged to the connecting frame, and the body of the second adjusting member (8) is rotatably connected to the support base (5).
4. The transverse movement device for installing precast beams with small curve radii according to claim 1, characterized in that, The bottom of the support base (5) is rotatably provided with a frame (10), and multiple load-bearing wheels (6) are installed on the side wall of the frame (10). The support base (5) is provided with a rotating mechanism to drive the frame (10) to rotate.
5. A transverse movement device for installing precast beams with small curve radii according to claim 4, characterized in that, The rotating mechanism includes a first drive motor (11) mounted on a support base (5), an internal gear ring (12) mounted on the side wall of the frame (10), a drive gear (13) mounted on the output end of the first drive motor (11), and two driven gears (14) mounted on the side wall of the support base (5). The internal gear ring (12) and the drive gears (13) are both meshed with the driven gears (14).
6. The transverse movement device for installing a precast beam with a small curve radius according to claim 5, characterized in that, The support base (5) is U-shaped.
7. The transverse movement device for installing precast beams with small curve radii according to claim 1, characterized in that, The side wall of the support beam (4) has raised and recessed scratches.