CN211849004U

CN211849004U - Arch active control leveling anchoring device assembly for suspender replacement

Info

Publication number: CN211849004U
Application number: CN201922202663.2U
Authority: CN
Inventors: 窦勇芝; 宁绍锋; 韦福堂; 王晓琳; 黎祖金; 甘科; 刘炜; 余丹
Original assignee: Liuzhou Ovm Engineering Co ltd; Liuzhou Ovm Structure Inspection Technology Co ltd
Current assignee: Liuzhou Ovm Engineering Co ltd; Liuzhou Ovm Structure Inspection Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-03
Anticipated expiration: 2029-12-10

Abstract

An arch active control leveling anchor assembly for boom replacement comprising two sets of arch active control leveling anchors, each set of arch active control leveling anchor comprising: leveling beams, 7 pin joint structures, 2 electric cylinders I and II, upper clamps I and II, and upper and lower high-strength screw rods; the lower clamps I and II, the inclination angle sensor, the force sensors I and II and the contact sensor are arranged on the lower clamp; in a working state, two sides of the upper clamp I and the lower clamp I and two sides of the upper clamp II and the lower clamp II are respectively connected with 1 electric cylinder; the two sides of the upper clamp I and the lower clamp II are respectively connected through high-strength screws; be provided with contact sensor in I side of last anchor clamps, set up force sensor I, force sensor II and force sensor III respectively on electronic jar I, electronic jar II and electronic jar III, leveling roof beam top face is provided with inclination sensor, adopts this to encircle the initiative control leveling anchor subassembly and implements the jib and change, can realize standardized construction, and the ann tears the progress fast open, and fail safe nature is strong.

Description

Arch active control leveling anchoring device assembly for suspender replacement

Technical Field

The utility model relates to a bridge construction equipment, especially an arch up active control leveling anchor subassembly that is used for concrete to encircle bridge davit and changes.

Background

At present, most of concrete arch bridge lifting rod replacement cable force conversion devices are mainly temporary hanging devices, and the upper portion of an arch needs to be provided with cushion blocks in the modes of bar planting, steel bar net binding and concrete pouring, so that the purposes of leveling the arch, facilitating the arrangement of a cross beam and resisting sliding are achieved. The disadvantages are as follows: the main arch ring is damaged by the steel bar planting drill hole, the engineering operation strength is high, the poured concrete can be used only when the poured concrete needs to be cured to the designed strength, the cushion blocks cannot be used in a circulating way, the dismantling and recovering operation progress is slow, the period is long, and the construction cost is high;

secondly, the anti-slippage safety in the replacement process is monitored by manual offline in the prior art, the feedback control cannot be performed in time, the safety and reliability are poor, and the period is long.

Disclosure of Invention

The utility model aims to provide a: providing an over-arch active control leveling anchor assembly for concrete arch bridge boom replacement; the arch active control leveling anchoring device assembly has the advantages that in the cable force conversion process of replacing the suspender, an original structure stress system is not changed, the influence on the original structure stress is small, the monitoring and the active control of the arch leveling anchoring device can be realized, the manual operation strength is low, the construction installation and disassembly progress is fast, the original concrete main arch ring is not damaged, the arch active control leveling anchoring device assembly can be used circularly, the modular design is convenient, the standardized construction is realized, the work efficiency is high, the construction cost is low, and therefore the problems in the prior art are solved.

The technical scheme for solving the problems is as follows: an on-arch active control leveling anchor assembly for boom replacement, characterized by: this an encircle initiative control leveling anchor assembly on for jib is changed includes two sets of encircles initiative control leveling anchor assembly, and two sets of encircles initiative control leveling anchor assembly set up respectively in old jib one side, encircle initiative control leveling anchor assembly and include: the device comprises a leveling beam, a pin joint structure I, a tilt angle sensor, a pin joint structure II, a force sensor I, an electric cylinder I, a pin joint structure III, an upper clamp I, an upper clamp II, a pin joint structure IV, a pin joint structure V, 2 pairs of high-strength screw rods, a force sensor II, 2 electric cylinders II, a force sensor III, 2 electric cylinders III, a lower clamp I, a pin joint structure VI, a lower clamp II, a pin joint structure VII, 2 pairs of lower high-strength screw rods and a contact sensor;

in a working state, two sides of an upper clamp I and two sides of a lower clamp I are respectively connected with 1 electric cylinder II through a pin joint structure IV and a pin joint structure VI; the two sides of the upper clamp II and the lower clamp II are respectively connected with 1 electric cylinder III through a pin joint structure V and a pin joint structure VII;

the two sides of the upper clamp I and the upper clamp II are respectively connected through a high-strength screw rod, and the two sides of the lower clamp I and the lower clamp II are respectively connected through a lower high-strength screw rod; the electric cylinder II and the electric cylinder III are driven to generate clamping force among the upper clamp I, the lower clamp I, the upper clamp II and the lower clamp II and a concrete main arch ring, so that friction force resisting downward sliding is generated on a contact surface of the upper clamp I and the concrete main arch ring, a contact sensor is arranged on the side surface of the upper clamp I, and the electric cylinder II and the electric cylinder III are respectively provided with a force sensor II and a force sensor III for monitoring the anti-sliding state and the clamping force value of the clamps in the process of replacing a suspender on line;

one end of the leveling beam is connected with the upper clamp II through a pin joint structure II, the other end of the leveling beam is connected with one end of the electric cylinder I through a pin joint structure I, the other end of the electric cylinder I is connected with the upper clamp I through a pin joint structure III, the leveling beam, the high-strength screw and the electric cylinder I form a stable triangular structure, an inclination angle sensor used for monitoring the leveling condition of the top surface of the leveling beam in the process of replacing a suspender on line is arranged on the top surface of the leveling beam, and a force sensor I used for monitoring the leveling force value in the process of replacing the suspender on line is arranged on the electric cylinder.

The further technical scheme is as follows: the leveling beam of the arch active control leveling anchoring device comprises a rectangular leveling beam body and connecting lug plates which are positioned at two ends of the leveling beam body and are connected with the leveling beam body into a whole, and pin holes are reserved in the connecting lug plates.

The pin joint structure I, the pin joint structure III, the pin joint structure IV, the pin joint structure V, the pin joint structure VI and the pin joint structure VII of the arch active control leveling anchoring device are all formed by assembling a cuboid-shaped base plate and a cylindrical pin shaft, threaded holes are reserved in the left side surface and the right side surface of the base plate and are in threaded connection with the cylindrical pin shaft, and bolt holes are reserved in the upper side surface and the lower side surface of the base plate and are convenient to connect with an upper flange of an electric cylinder.

The pin joint structure II of the arch active control leveling anchoring device is composed of a cylindrical pin shaft.

Since the technical scheme is used, the utility model relates to an encircle and go up active control leveling anchor assembly for concrete arch bridge davit is changed has following beneficial effect:

the method has the advantages of realizing standardized construction, fast mounting and dismounting progress, high work efficiency and low construction cost:

the utility model relates to an arch active control leveling anchor device of arch active control leveling anchor device subassembly for concrete arch bridge hanger rod replacement assembles an organic whole through the pin joint structure mode, can replace the concrete leveling anchor cushion block of prior art, each part of the device can modularized design, convenient change and installation and disassembly, not only can have enough to meet need the change of the hanger rod of different positions of the same bridge and use, but also can have enough to meet need the change of hanger rod of different positions of other bridges of the same type, can realize standardized construction, the installation and disassembly progress is fast, the work efficiency is high, construction cost is little; the problems that in the prior art, the cushion block cannot be used in a turnover mode, the dismantling and recovering operation progress is slow, the period is long, and the construction cost is high are well solved.

Two, change cable power conversion in-process at the jib, do not change original structure atress system, it is less to original structure atress influence, and manual work intensity is little, and the cycle is short, and construction quality is convenient for control:

the anchor of drilling bar planting of prior art, ligature reinforcing bar and concreting, manual work intensity is high, and the main arch ring of damage, construction quality difficult control, cycle length, the utility model relates to an arch that is used for concrete to encircle bridge hanger rod to change is gone up the active control leveling anchor device subassembly and is encircleed the active control leveling anchor device and take the anchor of the main arch ring mode of anchor centre gripping from top to bottom, to former concrete main arch ring not damaged, manual work intensity is little, and the cycle is short, construction quality is convenient for control.

In the cable force conversion process of the suspender replacement, the active control leveling and the active control anchoring on the arch can be realized in the process, the on-line monitoring and the timely feedback control are realized, and the safety and the reliability are strong:

in the prior art, the anti-slippage safety in the replacement process of the suspender is monitored manually in an off-line manner, the feedback control cannot be carried out in time, the safety and reliability are poor, and the period is long;

the utility model relates to an arch active control leveling anchoring device component for replacing a concrete arch bridge lifting rod, one end of a leveling beam of the arch active control leveling anchoring device is connected with an upper clamp II through a pin joint structure II, the other end is connected with one end of an electric cylinder I through a pin joint structure I, the other end of the electric cylinder I is connected with the upper clamp I through a pin joint structure III, the leveling beam, a high-strength screw and the electric cylinder I generate a stable triangular structure, an inclination angle sensor is arranged on the top surface of the leveling beam, a force sensor I is arranged on the electric cylinder I, the leveling condition and the leveling force value of the top surface of the leveling beam in the replacement process of the suspender are monitored on line, driving the electric cylinder I to control a leveling force value and a rotation angle according to a monitoring feedback result so as to meet the leveling safety requirement, realizing the arch-up active control leveling in the process, realizing the on-line monitoring and timely feedback control, and being safe and reliable;

meanwhile, a contact sensor is arranged on the side face of the upper clamp I, a force sensor II and a force sensor III are respectively arranged on the electric cylinder II and the electric cylinder III, the anti-slipping condition and the clamping force value of the clamp in the process of replacing the suspender are monitored on line, the electric cylinder II or the electric cylinder III is driven according to a monitoring feedback result to control the clamping force of the clamp to meet the anti-slipping safety requirement, active control anchoring is achieved in arching in the process, real-time monitoring and feedback control are achieved, safety and reliability are high, and the period is short.

The technical features of an arch active control leveling anchor assembly for concrete arch bridge boom replacement according to one of the present invention will be further described with reference to the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure and installation and use status of an over-arch active control leveling anchor assembly for concrete arch bridge boom replacement according to the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is an enlarged view of section B of FIG. 1 (i.e., a schematic view of a set of over-arch active control leveling anchors);

fig. 4-6 are schematic structural diagrams of leveling beams of the arch active control leveling anchoring device:

FIG. 4: front view, fig. 5: top view of fig. 4, fig. 6: a perspective view;

fig. 7 to 8 are schematic structural diagrams of a pin joint structure i, a pin joint structure iii, a pin joint structure iv, a pin joint structure v, a pin joint structure vi and a pin joint structure vii of the arch active control leveling anchoring device:

FIG. 7: perspective view, fig. 8: fig. 7 is a front view.

In the figure:

1-upper locking device, 2-tensioning jack, 3-upper shoulder pole beam, 4-leveling beam, 401-leveling beam body, 402-connecting lug plate, 403-pin hole;

5-pin joint structure I, 501-pin shaft, 502-backing plate, 503-threaded hole and 504-bolt hole;

6-tilt angle sensor, 7-pin joint structure II, 8-force sensor I, 9-electric cylinder I, 10-pin joint structure III, 11-upper clamp I, 12-upper clamp II, 13-pin joint structure IV, 14-pin joint structure V, 15-high strength screw rod, 16-force sensor II, 17-electric cylinder II, 18-force sensor III, 19-electric cylinder III, 20-lower clamp I, 21-pin joint structure VI, 22-lower clamp II, 23-pin joint structure VII, 24-lower high strength screw rod, 25-concrete main arch ring, 26-old suspender, 27-bridge deck, 28-temporary suspender, 29-suspender beam, 30-lower carrying pole beam, 31-lower locker and 32-contact sensor.

Detailed Description

An on-arch active control leveling anchor assembly for boom replacement:

as shown in fig. 1 to 3, the arch active control leveling anchor assembly for boom replacement includes two sets of arch active control leveling anchor devices, the two sets of arch active control leveling anchor devices are respectively disposed on one side of an old boom, and the arch active control leveling anchor device includes: the device comprises a leveling beam 4, a pin joint structure I5, an inclination angle sensor 6, a pin joint structure II 7, a force sensor I8, an electric cylinder I9, a pin joint structure III 10, an upper clamp I11, an upper clamp II 12, a pin joint structure IV 13, a pin joint structure V14, 2 high-strength screw rods 15, a force sensor II 16, 2 electric cylinders II 17, a force sensor III 18, 2 electric cylinders III 19, a lower clamp I20, a pin joint structure VI 21, a lower clamp II 22, a pin joint structure VII 23, 2 lower high-strength screw rods 24 and a contact sensor 32;

in a working state, two sides of an upper clamp I11 and two sides of a lower clamp I20 are respectively connected with 1 electric cylinder II 17 through a pin joint structure IV 13 and a pin joint structure VI 21; the two sides of the upper clamp II 12 and the lower clamp II 22 are respectively connected with 1 electric cylinder III 19 through a pin joint structure V14 and a pin joint structure VII 23;

the two sides of the upper clamp I and the upper clamp II are respectively connected through an upper high-strength screw 15, and the two sides of the lower clamp I and the lower clamp II are respectively connected through a lower high-strength screw 24; the clamping force is generated between the upper clamp I, the lower clamp I, the upper clamp II and the lower clamp II and the concrete main arch ring 25 by driving the electric cylinder II 17 and the electric cylinder III 19, so that the friction force resisting the downward sliding is generated on the contact surface of the upper clamp I11, a contact sensor 32 is arranged on the side surface of the upper clamp I11, a force sensor II 16 and a force sensor III 18 for monitoring the anti-sliding state and the clamping force value of the clamp in the process of replacing the suspender on line are respectively arranged on the electric cylinder II and the electric cylinder III, the electric cylinder II or the electric cylinder III is driven according to the monitoring feedback result to control the clamping force of the clamp to meet the anti-sliding safety requirement, and the active control of the upward arching and the anchoring in the process of replacing the suspender is;

one end of a leveling beam 4 is connected with an upper clamp II 12 through a pin joint structure II 7, the other end of the leveling beam 4 is connected with one end of an electric cylinder I9 through a pin joint structure I5, the other end of the electric cylinder I9 is connected with an upper clamp I11 through a pin joint structure III 10, the leveling beam 4, an upper high-strength screw 15 and the electric cylinder I9 form a stable triangular structure, an inclination angle sensor 6 used for monitoring the leveling condition of the top surface of the leveling beam in the process of replacing a suspender on line is arranged on the top surface of the leveling beam 4, a force sensor I8 used for monitoring the leveling force value in the process of replacing the suspender on line is arranged on the electric cylinder I9, the electric cylinder I is driven according to a monitoring feedback result to control the leveling force value and a rotation angle to meet leveling safety requirements.

As shown in fig. 4-6, the leveling beam 4 of the arch active control leveling anchoring device includes a rectangular leveling beam body 401 and connecting ear plates 402 located at two ends of the leveling beam body 401 and integrally connected with the leveling beam body, pin holes 403 are reserved on the connecting ear plates 402, and the leveling beam 4 is a casting or is made of steel plates by welding.

As shown in fig. 7-8, the pin joint structure i 5, the pin joint structure iii 10, the pin joint structure iv 13, the pin joint structure v 14, the pin joint structure vi 21 and the pin joint structure vii 23 of the arch active control leveling anchoring device are formed by assembling a rectangular parallelepiped-shaped base plate 502 and a cylindrical pin shaft 501, a threaded hole 503 is reserved in the left and right side surfaces of the base plate 502 and is in threaded connection with the cylindrical pin shaft 501, and bolt holes 504 are reserved in the upper and lower side surfaces of the base plate 502 and are convenient for connection with an upper flange of an electric cylinder; the pin joint structure I5, the pin joint structure III 10, the pin joint structure IV 13, the pin joint structure V14, the pin joint structure VI 21 and the pin joint structure VII 23 are integrally cast.

The pin joint structure II 7 of the arch active control leveling anchoring device is formed by a cylindrical pin shaft, and the pin joint structure II 7 is an integral casting.

Claims

1. An on-arch active control leveling anchor assembly for boom replacement, characterized by: this an encircle initiative control leveling anchor assembly on for jib is changed includes two sets of encircles initiative control leveling anchor assembly, and two sets of encircles initiative control leveling anchor assembly set up respectively in old jib one side, encircle initiative control leveling anchor assembly and include: the device comprises a leveling beam (4), a pin joint structure I (5), an inclination angle sensor (6), a pin joint structure II (7), a force sensor I (8), an electric cylinder I (9), a pin joint structure III (10), an upper clamp I (11), an upper clamp II (12), a pin joint structure IV (13), a pin joint structure V (14), 2 pairs of high-strength screw rods (15), a force sensor II (16), 2 electric cylinders II (17), a force sensor III (18), 2 electric cylinders III (19), a lower clamp I (20), a pin joint structure VI (21), a lower clamp II (22), a pin joint structure VII (23), 2 pairs of lower high-strength screw rods (24) and a contact sensor (32);

in a working state, two sides of an upper clamp I (11) and two sides of a lower clamp I (20) are respectively connected with 1 electric cylinder II (17) through a pin joint structure IV (13) and a pin joint structure VI (21); the two sides of the upper clamp II (12) and the lower clamp II (22) are respectively connected with 1 electric cylinder III (19) through a pin joint structure V (14) and a pin joint structure VII (23);

the two sides of the upper clamp I and the upper clamp II are respectively connected through an upper high-strength screw rod (15), and the two sides of the lower clamp I and the lower clamp II are respectively connected through a lower high-strength screw rod (24); the clamping force is generated among the upper clamp I, the lower clamp I, the upper clamp II, the lower clamp II and the concrete main arch ring (25) by driving the electric cylinder II (17) and the electric cylinder III (19), so that the friction force resisting the downward sliding is generated on the contact surface of the upper clamp I (11), a contact sensor (32) is arranged on the side surface of the upper clamp I (11), and the electric cylinder II and the electric cylinder III are respectively provided with a force sensor II (16) and a force sensor III (18) for monitoring the anti-sliding state and the clamping force value of the clamps in the process of replacing the suspender on line;

leveling roof beam (4) one end is connected through pin joint structure II (7) with last anchor clamps II (12), the other end is connected through pin joint structure I (5) with electronic jar I (9) one end, electronic jar I (9) other end is connected through pin joint structure III (10) with last anchor clamps I (11), leveling roof beam (4), high-strength screw rod (15) form stable triangular structure with electronic jar I (9), be provided with inclination sensor (6) that are used for the leveling situation of on-line monitoring jib top surface in leveling roof beam change process at leveling roof beam (4) top surface, be provided with I (8) of force sensor that are used for on-line monitoring jib change in-process leveling force value at electronic jar I (9).

2. An on-arch active control leveling anchor assembly for boom replacement as claimed in claim 1 wherein: the leveling beam (4) of the arch active control leveling anchoring device comprises a rectangular leveling beam body (401) and connecting lug plates (402) which are positioned at two ends of the leveling beam body (401) and connected with the leveling beam body into a whole, and pin holes (403) are reserved in the connecting lug plates (402).

3. An on-arch active control leveling anchor assembly for boom replacement as claimed in claim 1 wherein: the pin joint structure I (5), the pin joint structure III (10), the pin joint structure IV (13), the pin joint structure V (14), the pin joint structure VI (21) and the pin joint structure VII (23) of the arch active control leveling anchoring device are assembled by a cuboid-shaped base plate (502) and a cylindrical pin shaft (501), threaded connection is reserved between a threaded hole (503) in the left side surface and a threaded hole (503) in the right side surface of the base plate (502) and the cylindrical pin shaft (501), and bolt holes (504) are reserved in the upper side surface and the lower side surface of the base plate (502) and are convenient to connect with an upper flange plate of an electric cylinder.

4. An on-arch active control leveling anchor assembly for boom replacement as claimed in claim 1 wherein: the pin joint structure II of the arch active control leveling anchoring device is composed of a cylindrical pin shaft.