Arch rib positioning device for concrete-filled steel tube tied arch bridge
The arch rib positioning device for steel-concrete tied arch bridges utilizes hydraulic rods and threaded connections to achieve precise positioning of the arch ribs, solving the problems of time-consuming and labor-intensive arch foot installation and difficulty in ensuring accuracy, thus improving construction efficiency and bridge stability.
Patent Information
- Application Number
- CN202423209407.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In the construction of arch bridges, the positioning and adjustment of the arch feet need to be repeated, which makes the installation time-consuming and labor-intensive, and the final installation accuracy is difficult to guarantee.
The steel-concrete tied arch bridge arch rib positioning device includes the arch rib body, connecting foot plate, positioning component and adjustment component. Precise positioning is achieved through hydraulic rod and threaded connection, reducing the number of adjustments to the positioning components and improving installation accuracy.
It reduced the time and labor consumption for arch foot installation, improved construction efficiency, and enhanced the stability and safety of the bridge.
Smart Images

Figure CN223753189U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to positioning device technical field, concretely is a kind of steel pipe concrete tied arch bridge arch rib positioning device. BACKGROUND
[0002] The arch rib of tied arch bridge is one of the main load-bearing structures of bridge, it and tied rod and suspender jointly constitute the basic component of arch combined system bridge, arch rib mainly bears vertical load in structure, and cooperates with tied rod to work, to balance the horizontal thrust generated by load, arch rib design and construction form are various;
[0003] In arch bridge construction, when the bottom layer steel bar of two end bases is bound, arch foot positioning frame is placed, then, arch foot is hoisted to positioning frame, and total station is used to carry out accurate positioning review;
[0004] However, this method needs to repeatedly adjust positioning piece in actual operation, which increases the difficulty of adjustment, and the installation process of arch foot is time-consuming and laborious, due to these factors, the final installation accuracy is difficult to be fully guaranteed, therefore, aiming at the above problems, a kind of steel pipe concrete tied arch bridge arch rib positioning device is provided. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of steel pipe concrete tied arch bridge arch rib positioning device to solve the problem that operation needs to repeatedly adjust positioning piece, which increases the difficulty of adjustment, and the installation process of arch foot is time-consuming and laborious, due to these factors, the final installation accuracy is difficult to be fully guaranteed.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of steel pipe concrete tied arch bridge arch rib positioning device, including arch rib body, connecting foot plate, positioning assembly and first adjusting assembly, the connecting foot plate rear end is fixedly connected with connecting foot plate, the connecting foot plate one side is fixedly connected with positioning assembly by bolt, the outer side of positioning assembly and upper sleeve plate assembly inner side closely, the lower end of positioning assembly is installed in the inner side of the upper end of first adjusting assembly, the inner side of the rear end of first adjusting assembly is installed with second adjusting assembly, the positioning assembly includes positioning table, the bottom of the bottom of the bottom is fixedly connected with bottom plate, the rear end of the bottom plate is provided with clamping groove, the upper sleeve plate assembly includes first cover plate, the bottom of the first cover plate is fixedly connected with first support block and second support block, the front end of the first cover plate and the rear end of second cover plate clearance fit, the first adjusting assembly includes pedestal, the inner side of the pedestal close to dovetail sliding block is provided with dovetail sliding groove, the inner side of dovetail sliding groove is slidably connected with dovetail sliding block, the one side of dovetail sliding block is fixedly connected with hydraulic rod, the one side of hydraulic rod is fixedly connected with push plate, the inner side of the pedestal is provided with positioning groove, the inner side of the rear end of the pedestal is provided with built-in groove, the second adjusting assembly includes square plate, the front end of the square plate is fixedly connected with support plate, the front end of the support plate is fixedly connected with first threaded cylinder, the first threaded cylinder is spirally connected with double-threaded rod by reserving screw hole, the outer side of double-threaded rod is fixedly connected with hexagonal block, the outer side of the front end of double-threaded rod is spirally connected with the inner side of second threaded cylinder, the front end of second threaded cylinder is fixedly connected with pasting plate, the front end of pasting plate is fixedly connected with clamping plate.
[0008] As the further optimization of the utility model, the front part of the upper end of the positioning table is fixedly connected with the one side of the connecting foot plate by bolt, the number of the connecting foot plates is the same as the number of the positioning tables, and the clamping groove protrudes from the upper end of the upper sleeve plate assembly.
[0009] As the further optimization of the utility model, the rear end of the second cover plate is provided with a groove, the outer side of the positioning table clearance fits with the groove in the rear end of the second cover plate, the rear end of the positioning table is attached to the front end of the first cover plate, and the bottom plate is embedded in the inside of the positioning groove.
[0010] As the further optimization of the utility model, the top end of the bottom plate is attached to the top end of the second cover plate, the top end of the bottom plate is attached to the bottom end of the first cover plate, and the left side and the right side of the second support block are attached to the two bottom plates.
[0011] As the further optimization of the utility model, the bottom plate is fixed with the push plate by bolt, the first adjusting assembly is embedded in the inside of the positioning groove, the front view of the dovetail sliding groove has the same shape as the front view of the dovetail sliding block, and the number of the first adjusting assemblies is two.
[0012] As the further optimization of the utility model, wherein: the gap cooperation between the outer side of the square plate and the inner side of the built-in groove, the bottom end of the supporting plate and the bottom end of the positioning groove opened in the base are attached, the clamping plate is clamped in the inner side of the clamping groove, and the second threaded cylinder has a threaded hole opened in the inner side.
[0013] As the further optimization of the utility model, wherein: the second cover plate and the base are fixed through bolts, the first cover plate and the base are fixed through bolts, the number of the second adjusting assemblies is two groups, the number of each group of the second adjusting assemblies is two, and the first supporting blocks are between two second adjusting assemblies in the same group.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] In the utility model, through the positioning assembly, the upper sleeve plate assembly, the first adjusting assembly and the second adjusting assembly, the device reduces the repeated adjustment of the positioning member, thereby reducing the time and labor consumption in the installation process of the arch foot, the installation precision of the arch foot is ensured through the accurate control of the movement and positioning of each component, the construction efficiency is improved, and the stability and safety of the bridge structure are also enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an overall structure schematic view of the utility model;
[0017] Figure 2 It is an upper sleeve plate assembly structure schematic view of the utility model;
[0018] Figure 3 It is a positioning table structure schematic view of the utility model;
[0019] Figure 4 It is a sectional view structure schematic view of the base of the utility model;
[0020] Figure 5 It is a bottom plate structure schematic view of the utility model;
[0021] Figure 6 It is a second adjusting assembly structure schematic view of the utility model.
[0022] In the drawing: 1, arch rib body; 2, connecting foot plate;
[0023] 3, positioning assembly; 31, positioning table; 32, bottom plate; 33, clamping groove;
[0024] 4, upper sleeve plate assembly; 41, first cover plate; 42, first supporting block; 43, second supporting block; 44, second cover plate;
[0025] 5, first adjusting assembly; 51, base; 52, dovetail sliding groove; 53, dovetail sliding block; 54, hydraulic rod; 55, push plate; 56, built-in groove; 57, positioning groove;
[0026] 6, second adjusting assembly; 61, square plate; 62, support plate; 63, first threaded cylinder; 64, reserved threaded hole; 65, double-threaded rod; 66, hexagonal block; 67, second threaded cylinder; 68, sticking plate; 69, clamping plate. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0029] Please refer to Figures 1-6 The present application provides a technical solution:
[0030] The utility model provides a kind of steel pipe concrete tied arch bridge arch rib positioning device, including arch rib body 1, connecting foot plate 2, positioning assembly 3 and first adjusting assembly 5, arch rib body 1 rear end is fixedly connected with connecting foot plate 2, connecting foot plate 2 side is fixedly connected with positioning assembly 3 by bolt, the outer side of positioning assembly 3 is close to the inner side of upper sleeve plate assembly 4, the lower end of positioning assembly 3 is installed in the inner side of the upper end of first adjusting assembly 5, the inner side of the rear end of first adjusting assembly 5 is installed with second adjusting assembly 6, positioning assembly 3 includes positioning table 31, positioning table 31 bottom end is fixedly connected with bottom plate 32, bottom plate 32 rear end is provided with clamping groove 33, upper sleeve plate assembly 4 includes first cover plate 41, and first cover plate 41 bottom end is fixedly connected with first support block 42 and second support block 43, and first cover plate 41 front end is in clearance fit with the rear end of second cover plate 44, and first adjusting assembly 5 includes base 51, and the inner side of base 51 close to dovetail sliding block 53 is provided with dovetail sliding groove 52, and the inner side of dovetail sliding groove 52 is slidably connected with dovetail sliding block 53, and one side of dovetail sliding block 53 is fixedly connected with hydraulic rod 54, and one side of hydraulic rod 54 is fixedly connected with push plate 55, and the inner side of base 51 is provided with positioning groove 57, and the inner side of the rear end of base 51 is provided with built-in groove 56, and second adjusting assembly 6 includes square plate 61, and square plate 61 front end is fixedly connected with support plate 62, and support plate 62 front end is fixedly connected with first threaded cylinder 63, and first threaded cylinder 63 is spirally connected with double-threaded rod 65 by reserving screw hole 64, and the outer side of double-threaded rod 65 is fixedly connected with hexagonal block 66, and the outer side of the front end of double-threaded rod 65 is spirally connected with the inner side of second threaded cylinder 67, and second threaded cylinder 67 front end is fixedly connected with pasting plate 68, and pasting plate 68 front end is fixedly connected with clamping plate 69.
[0031] As further implementation of the scheme, connecting foot plate 2 side is fixedly connected with the front of the upper end of positioning table 31 by bolt, the number of connecting foot plate 2 is same with the number of positioning table 31, clamping groove 33 protrudes the upper end of upper sleeve plate assembly 4, the rear end of second cover plate 44 is provided with recess, the outer side of positioning table 31 is in clearance fit with the recess of the rear end of second cover plate 44, the rear end of positioning table 31 is in contact with the front end of first cover plate 41, bottom plate 32 is embedded in the inside of positioning groove 57, the top end of bottom plate 32 is in contact with the top end of second cover plate 44, the top end of bottom plate 32 is in contact with the bottom end of first cover plate 41, the left side and the right side of second support block 43 are in contact with two bottom plates 32, conveniently, upper sleeve plate assembly 4 is sleeved on the outer side of two positioning tables 31, so as to realize the effect of limiting positioning table 31, and the stability of bottom plate 32 in the inside of positioning groove 57 can be improved by the limiting of first support block 42 and second support block 43, the safety of arch rib body 1 is enhanced;
[0032] As a further implementation of the present scheme, the bottom plate 32 is fixed by bolts and the push plate 55, the first adjusting assembly 5 is embedded in the inside of the positioning groove 57, the front view of the dovetail sliding groove 52 is the same as the front view of the dovetail sliding block 53, the number of the first adjusting assembly 5 is two, the positions of the two positioning assemblies 3 are adjusted by the two first adjusting assemblies 5 respectively, so that the positions of the two positioning assemblies 3 are in the same straight line with the position where the arch rib body 1 lands, and the adjusting efficiency is improved;
[0033] As a further implementation of the present scheme, the outer side of the square plate 61 is gap fitted with the inner side of the built-in groove 56, the bottom end of the supporting plate 62 is attached to the bottom end of the positioning groove 57 of the base 51, the clamping plate 69 is clamped on the inner side of the clamping groove 33, the second threaded cylinder 67 is provided with a threaded hole on the inner side, the second cover plate 44 is fixed between the base 51 by bolts, the first cover plate 41 is fixed between the base 51 by bolts, the number of the second adjusting assembly 6 is two groups, the number of the second adjusting assembly 6 in each group is two, the first supporting block 42 is between the two second adjusting assemblies 6 in the same group, the positioning assembly 3 and the first adjusting assembly 5 are simultaneously pushed forward by the four second adjusting assemblies 6, so that the two positioning assemblies 3 are in the position where the arch rib body 1 lands.
[0034] Work flow: for the position of the arch rib body 1, when the arch rib body 1 is positioned, the coordinates position of the arch rib body 1 falling into the positioning groove 57 is determined by the total station, after the determination is completed, the hydraulic rod 54 is started to push the bottom plate 32 to move, the bottom plate 32 drives the positioning table 31 to move, the bottom end of the bottom plate 32 is matched with the lower end of the positioning groove 57 opened in the base 51, when the bottom plate 32 moves to the same straight line where the arch rib body 1 falls, another hydraulic rod 54 is started in the same way, when the position between the two positioning tables 31 is aligned with the position between the arch rib body 1, the second adjusting assembly 6 is placed into the inside of the positioning groove 57, the outer side of the square plate 61 is embedded into the temple of the built-in groove 56, at the same time, the bottom end of the supporting plate 62 is matched with the inner side of the base 51, at this time, the hexagonal block 66 is rotated to drive the double threaded rod 65 to rotate, the double threaded rod 65 is screw connected into the reserved screw hole 64 opened in the first threaded cylinder 63, the double threaded rod 65 drives the device at the front end to move forward and rotate, when the clamping plate 69 approaches the clamping groove 33, the second threaded cylinder 67 is rotated alone, so that the clamping plate 69 remains vertical, when the clamping plate 69 is in the inside of the clamping groove 33, the hexagonal block 66 is rotated to make the second threaded cylinder 67 and the supporting plate 62 move away in opposite directions, because the double threaded rod 65 is opposite threaded at both ends, the screw holes in the first threaded cylinder 63 and the second threaded cylinder 67 are symmetrical, when the front end of the pasting plate 68 is matched with the rear end of the bottom plate 32, the bottom plate 32 can be pushed to move forward through the movement of the pasting plate 68, until the bottom plate 32 is aligned with the position where the arch rib body 1 falls, the effect of temporary positioning of the bottom plate 32 is realized, the first supporting block 42 and the second supporting block 43 are cut according to the space in the inside of the positioning groove 57, the first supporting block 42 is placed between the two second adjusting assemblies 6 in the same group, so that the front end of the first supporting block 42 is matched with the rear end of the bottom plate 32, and the rear end of the first supporting block 42 is matched with the inner side of the rear end of the base 51, the left side of the second supporting block 43 is matched between the two bottom plates 32, the bottom end of the first cover plate 41 is matched with the top end of the base 51, the second cover plate 44 is sleeved on the outer side of the two positioning tables 31 from the front end, the first cover plate 41 and the base 51 are fixed by bolts, the second cover plate 44 and the base 51 are fixed by bolts, at this time, the arch rib body 1 can be positioned, the positioning mode of the device can flexibly adjust the position of the two positioning assemblies 3 according to the position where the arch rib body 1 falls, after the positioning is completed, the stability of the arch rib body 1 can be provided.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A positioning device for arch rib of a concrete-filled steel tube tied-arch bridge, comprising an arch rib body (1), a connecting foot plate (2), a positioning assembly (3) and a first adjusting assembly (5), characterized in that: The rear end of the arch rib body (1) is fixedly connected to a connecting foot plate (2). A positioning component (3) is fixedly connected to one side of the connecting foot plate (2) by bolts. The outer side of the positioning component (3) is in close contact with the inner side of the upper sleeve plate component (4). The lower end of the positioning component (3) is installed on the inner side of the upper end of the first adjustment component (5). A second adjustment component (6) is installed on the inner side of the rear end of the first adjustment component (5). The positioning component (3) includes a positioning platform (31), a base plate (32) is fixedly connected to the bottom end of the positioning platform (31), and a slot (33) is provided at the rear end of the base plate (32). The upper sleeve component (4) includes a first cover plate (41), a first support block (42) and a second support block (43) are fixedly connected to the bottom end of the first cover plate (41), and the front end of the first cover plate (41) and the rear end of the second cover plate (44) are clearance-fitted. The first adjustment component (5) includes a base (51), a dovetail groove (52) is provided on the inner side of the base (51) near the dovetail slider (53), the dovetail slider (53) is slidably connected to the inner side of the dovetail groove (52), and a hydraulic rod (54) is fixedly connected to one side of the dovetail slider (53). A push plate (55) is fixedly connected to the base (51), a positioning groove (57) is provided on the inner side of the base (51), and an internal groove (56) is provided on the inner side of the rear end of the base (51). The second adjustment component (6) includes a square plate (61), a support plate (62) is fixedly connected to the front end of the square plate (61), a first threaded cylinder (63) is fixedly connected to the front end of the support plate (62), a double threaded rod (65) is spirally connected to the first threaded cylinder (63) through a reserved screw hole (64), a hexagonal block (66) is fixedly connected to the outer side of the double threaded rod (65), and the outer side of the front end of the double threaded rod (65) is spirally connected to the inner side of the second threaded cylinder (67). A plate (68) is fixedly connected to the front end of the second threaded cylinder (67), and a clamping plate (69) is fixedly connected to the front end of the plate (68).
2. The device for positioning arch ribs of a concrete-filled steel tube tied-arch bridge according to claim 1, characterized in that: The connecting foot plate (2) is fixedly connected to the front of the upper end of the positioning platform (31) by bolts on one side. The number of connecting foot plates (2) is the same as the number of positioning platforms (31). The slot (33) protrudes from the upper end of the upper sleeve assembly (4).
3. The CFST bowstring arch bridge arch rib positioning device according to claim 1, characterized in that: The second cover plate (44) has a groove at its rear end. The outer side of the positioning platform (31) is in clearance fit with the groove at the rear end of the second cover plate (44). The rear end of the positioning platform (31) is in contact with the front end of the first cover plate (41). The bottom plate (32) is embedded in the positioning groove (57).
4. The CFST bowstring arch bridge arch rib positioning device according to claim 1, characterized in that: The top of the base plate (32) is attached to the top of the second cover plate (44), the top of the base plate (32) is attached to the bottom of the first cover plate (41), and the left and right sides of the second support block (43) are attached to both base plates (32).
5. The CFST bowstring arch bridge arch rib positioning device according to claim 1, characterized in that: The bottom plate (32) is fixed by bolts and the push plate (55), the first adjusting assembly (5) is embedded in the inside of the positioning groove (57), the front view of the dovetail sliding groove (52) is the same as the front view of the dovetail sliding block (53), the number of the first adjusting assembly (5) is two.
6. The CFST bowstring arch bridge arch rib positioning device according to claim 1, characterized in that: The outside of the square plate (61) is matched with the inside of the built-in groove (56), the bottom end of the supporting plate (62) is attached to the bottom end of the positioning groove (57) of the base (51), the clamping plate (69) is clamped in the inside of the clamping groove (33), and the inside of the second threaded barrel (67) is provided with a threaded hole.
7. The CFST bowstring arch bridge arch rib positioning device according to claim 1, characterized in that: The second cover plate (44) is fixed between the base (51) by bolts, the first cover plate (41) is fixed between the base (51) by bolts, the number of the second adjusting assembly (6) is two groups, the number of each group of the second adjusting assembly (6) is two, and the first supporting block (42) is between the two second adjusting assemblies (6) in the same group.