Bridge integral sliding pushing device
By installing sliding tracks and hydraulic rail clamps on both sides of the bridge, the overall sliding of the bridge can be achieved, solving the problem of difficult movement of the bridge steel structure and improving construction efficiency and quality.
Patent Information
- Application Number
- CN202520217544.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The steel structure of the bridge is difficult to move, resulting in low construction efficiency and difficulty in ensuring quality. Crane operation is also difficult to control in terms of consistency and positioning accuracy.
The bridge adopts an integral sliding and jacking device, which includes a sliding track beam, a supporting sliding seat, and a hydraulic rail clamp. The supporting sliding seat and the sliding track are driven by a hydraulic cylinder to achieve the integral sliding of the bridge.
It improved the efficiency and quality of bridge construction, ensured the accuracy and stability of bridge movement, and reduced deviations during construction.
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Figure CN223824043U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge construction technical field more particularly related to a bridge integral sliding pushing device. BACKGROUND
[0002] In the process of bridge steel structure construction, usually after processing on the side of convenient construction, the steel structure is moved to the other side and then construction is carried out, so that the whole construction process of bridge is realized.
[0003] At present, the bridge steel structure moving mode mostly adopts crane lifting to move, the bridge steel structure is also relatively heavy, usually needs multiple cranes to operate cooperatively, in the process of operation, the consistency of multiple cranes is difficult to control, leading to the process of bridge steel structure moving to be relatively difficult, the efficiency of bridge construction is affected, and the crane is not easy to position in the process of lifting the bridge steel structure and placing, and the bridge integral construction quality is affected. UTILITY MODEL CONTENTS
[0004] The utility model needs to solve the technical problem to provide a bridge integral sliding pushing device, can bridge steel structure integral sliding, improve construction efficiency, and then guarantee construction quality.
[0005] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows.
[0006] A bridge integral sliding pushing device, including the sliding rail beam that is set on the bridge pier of bridge two sides, the sliding rail is set on the sliding rail beam along the bridge moving direction, the sliding rail is provided with a plurality of groups of support sliding seat for supporting the bridge movement and the hydraulic rail clamp for fixing that is set in the rear of support sliding seat and is used for clamping the sliding rail, the first hydraulic cylinder for driving support sliding seat to move is set between support sliding seat and hydraulic rail clamp, the hydraulic telescopic rod of first hydraulic cylinder is hinged through the mounting lug on the back of support sliding seat, and the rear end of first hydraulic cylinder is hinged on the mounting lug on the front end of hydraulic rail clamp through the mounting rod.
[0007] Further optimize technical scheme, the support sliding seat is L type structure, and the low end of support sliding seat faces the direction of bridge movement.
[0008] Further optimize technical scheme, the support plate is set on the support sliding seat, the second hydraulic cylinder for adjusting the height of support rod is set in the inside of support sliding seat, and the top end of piston rod of second hydraulic cylinder is connected on the bottom end face of support plate.
[0009] Further optimize technical scheme, the hydraulic rail clamp includes the clamping arm for clamping the sliding rail and is arranged at both sides of the sliding rail, the connecting rod is hinged between the upper portions of the two clamping arms, the top of the two clamping arms is hinged with the transmission rod respectively, the middle portions of the two transmission rods intersect and are arranged on the shell of the hydraulic rail clamp through the rotating shaft; the internal top of the hydraulic rail clamp is provided with the third hydraulic cylinder, the third hydraulic cylinder is a bidirectional hydraulic cylinder, the top of the piston rod at both sides of the third hydraulic cylinder is hinged at the top of the transmission rod.
[0010] Due to the adoption of the above technical scheme, the technical progress achieved by the utility model is as follows.
[0011] The bridge integral sliding jacking device provided by the utility model sets the sliding rail on the sliding rail beam on the pier, sets the support sliding seat and the hydraulic rail clamp on the sliding rail, sets the first hydraulic cylinder between the support sliding seat and the hydraulic rail clamp, pushes the support sliding seat and pulls the hydraulic rail clamp by the first hydraulic cylinder to realize the sliding of the bridge on the support sliding seat, improves the construction efficiency and guarantees the construction quality. ACCURACY OF DRAWINGS
[0012] Fig. 1 It is the structural schematic diagram of the utility model;
[0013] Fig. 2 It is the internal structure schematic diagram of the support sliding seat of the utility model;
[0014] Fig. 3 It is the internal structure schematic diagram of the hydraulic rail clamp of the utility model.
[0015] Wherein: 1. pier, 2. sliding rail beam, 3. sliding rail, 4. support sliding seat, 5. support plate, 6. first hydraulic cylinder, 7. hydraulic telescopic rod, 8. mounting rod, 9. mounting lug, 10. hydraulic rail clamp, 11. second hydraulic cylinder, 12. guide groove, 13. pulley, 14. clamping arm, 15. transmission rod, 16. third hydraulic cylinder, 17. piston rod, 18. connecting rod. DETAILED DESCRIPTION
[0016] The utility model will be further explained in detail in combination with the drawings and specific embodiments.
[0017] The bridge integral sliding jacking device is combined Figs. 1 to 3 As shown in the figure, it comprises the sliding rail beam 2 arranged on the pier 1 at both sides of the bridge, the sliding rail beam 2 is provided with the sliding rail 3, the sliding rail 3 is arranged along the moving direction of the bridge, the sliding rail 3 is provided with a plurality of groups of support sliding seats 4 and hydraulic rail clamps 10, the hydraulic rail clamp 10 is arranged behind the support sliding seat 4, the first hydraulic cylinder 6 is arranged between the support sliding seat 4 and the hydraulic rail clamp 10 to drive the support sliding seat 4 to move forward.
[0018] Supporting sliding seat 4 is L-shaped structure, the low end of supporting sliding seat 4 is towards the bridge moving direction, the high end of supporting sliding seat 4 is tightly against the bridge on the low end, prevent the bridge from moving back in the process of moving.
[0019] Supporting plate 5 is arranged on supporting sliding seat 4, the inside of supporting sliding seat 4 is provided with second hydraulic cylinder 11, the top end of the piston rod of second hydraulic cylinder 11 is connected on the bottom end face of supporting plate 5, the height of supporting plate is adjusted by second hydraulic cylinder, when moving the bridge, the bottom end of bridge is placed on supporting plate, the height of supporting plate is adjusted by second hydraulic cylinder to adapt to the bridge of different height, make the stress of multiple supporting sliding seats uniform, facilitate the bridge sliding.
[0020] The guide groove 12 is opened on the sliding rail beam 2 of the left and right sides of the sliding rail 3, the pulley 13 is arranged on the bottom of supporting sliding seat 4, the pulley 13 extends into the guide groove 12, when supporting sliding seat moves, the pulley moves in the guide groove, improve the smoothness when moving, at the same time, the supporting sliding seat can be supported, the pressure of supporting sliding seat is dispersed, the service life of supporting sliding seat is improved.
[0021] The first hydraulic cylinder 6 is arranged at the back of supporting sliding seat 4, the hydraulic telescopic rod 7 of first hydraulic cylinder 6 is hinged at the back of supporting sliding seat 4 through mounting lug 9, the rear end of first hydraulic cylinder 6 is provided with mounting rod 8, the mounting rod 8 is hinged at the front end of hydraulic rail clamp 10 through mounting lug 9, the supporting sliding seat 4 is driven to move forward by first hydraulic cylinder.
[0022] The hydraulic rail clamp 10 includes clamping arm 14 arranged on both sides of sliding rail 3, the clamping arm is used to clamp the sliding rail to realize fixation, the connecting rod 18 is hinged between the middle upper part of two clamping arms, the top end of two clamping arms 14 is respectively hinged with transmission rod 15, the middle part of two transmission rods 15 is cross arranged, and is arranged on the shell of hydraulic rail clamp through rotating shaft. The third hydraulic cylinder 16 is arranged at the top end of the inside of hydraulic rail clamp 10, the third hydraulic cylinder is bidirectional hydraulic cylinder, the top end of the piston rod 17 of both sides of third hydraulic cylinder 16 is respectively hinged at the top end of transmission rod 15, the third hydraulic cylinder drives the clamping arm to clamp and release the sliding rail through extension and contraction.
[0023] When the piston rod of the third hydraulic cylinder extends outward, as the middle parts of the two transmission rods are hinged on the shell of the hydraulic rail clamp, when the piston rod pushes the top ends of the two transmission rods to move outward, the bottom ends of the two transmission rods also move outward, driving the upper ends of the two clamping arms to move outward, as the middle parts of the two clamping arms are hinged together through the connecting rod, when the upper ends of the two clamping arms move outward, the bottom ends of the two clamping arms move inward, realizing clamping of the sliding rail; conversely, when the piston rod of the third hydraulic cylinder is retracted inward, driving the top ends of the two transmission rods to move inward, while the bottom ends of the transmission rods also move inward, driving the top parts of the two clamping arms to move inward, and the bottom ends of the two clamping arms move outward, at this time, the clamping arms release the sliding rail.
[0024] The utility model discloses when the bridge is sliding, the bridge is placed on the support plate of support sliding seat through the crane, and the height of support plate is adjusted through the second hydraulic cylinder, so that each support sliding seat can be uniformly stressed, the third hydraulic cylinder starts, drives the piston rod to move outward, makes the clamping arm clamp the sliding rail, realizes the fixation of hydraulic rail clamp, after the fixation of hydraulic rail clamp, the first hydraulic cylinder starts, and the support sliding seat is pushed forward through the hydraulic telescopic link, when moving to the maximum stroke of first hydraulic cylinder, the piston rod of third hydraulic cylinder retracts, and the hydraulic rail clamp releases the sliding rail, at this time, the first hydraulic cylinder retracts, as the weight of bridge on the support sliding seat is relatively heavy, and the hydraulic rail clamp is an object of movement relative to support sliding seat after releasing the sliding rail, therefore, when the first hydraulic cylinder retracts, pulls the hydraulic rail clamp to the support sliding seat, when the hydraulic telescopic link of first hydraulic cylinder retracts in place, the piston rod of third hydraulic cylinder extends outward, drives the clamping arm to clamp the sliding rail, and the hydraulic rail clamp is fixed on the sliding rail to support the forward movement of support sliding seat, until the bridge moves in place.
Claims
1. A bridge integral sliding and jacking device, characterized in that: The system includes sliding track beams (2) installed on the piers (1) on both sides of the bridge, sliding tracks (3) installed on the sliding track beams (2) along the direction of bridge movement, several sets of supporting sliding seats (4) installed on the sliding tracks (3) for supporting the movement of the bridge, and hydraulic rail clamps (10) installed behind the supporting sliding seats (4) for clamping and fixing the sliding tracks (3). A space is provided between the supporting sliding seats (4) and the hydraulic rail clamps (10) for driving the supporting sliding seats (4) to move. The first hydraulic cylinder (6) is activated. The hydraulic telescopic rod (7) of the first hydraulic cylinder (6) is hinged to the back of the support sliding seat (4) through the mounting lug (9). The rear end of the first hydraulic cylinder (6) is hinged to the mounting lug (9) at the front end of the hydraulic rail clamp (10) through the mounting rod (8). Guide grooves (12) are provided on the sliding rail beams (2) on the left and right sides of the sliding rail (3). The bottom of the support sliding seat (4) is provided with pulleys (13) that extend into the guide grooves (12).
2. The bridge integral sliding and jacking device according to claim 1, characterized in that: The support sliding seat (4) has an L-shaped structure, with the lower end of the support sliding seat (4) facing the direction of bridge movement.
3. The bridge integral sliding and jacking device according to claim 1, characterized in that: The support sliding seat (4) is provided with a support plate (5), and the support sliding seat (4) is provided with a second hydraulic cylinder (11) for adjusting the height of the support rod. The top end of the piston rod of the second hydraulic cylinder is connected to the bottom end surface of the support plate (5).
4. The bridge integral sliding and jacking device according to claim 1, characterized in that: The hydraulic rail clamp (10) includes clamping arms (14) arranged on both sides of the sliding rail (3) for clamping the sliding rail. A connecting rod (18) is hinged between the upper part of the two clamping arms (14). A transmission rod (15) is hinged to the top of the two clamping arms (14) respectively. The middle parts of the two transmission rods (15) cross and are set on the outer shell of the hydraulic rail clamp through a rotating shaft. A third hydraulic cylinder (16) is arranged at the top of the inside of the hydraulic rail clamp. The third hydraulic cylinder (16) is a bidirectional hydraulic cylinder. The tops of the piston rods (17) on both sides of the third hydraulic cylinder (16) are respectively hinged to the tops of the transmission rods (15).