Bailey beam arch frame integral displacement device, system and method for arch bridge construction

Abstract

The invention discloses a bailey beam arch frame integral displacement device, system and method for arch bridge construction, and relates to the technical field of arch bridge construction, the bailey beam arch frame integral displacement device comprises a bailey beam arch frame, the bailey beam arch frame is in an arch shape, the bailey beam arch frame is erected between a first bridge shore and a second bridge shore, and the bailey beam arch frame is used for carrying out formwork supporting on arch bridge construction; a mid-span construction platform; two groups of side span transverse moving structures; provided is a midspan transverse moving structure. The prefabricated and assembled bailey beam arch frame is moved to the construction position between the first bridge shore and the second bridge shore through the two sets of side span transverse moving structures and the two sets of middle span transverse moving structures, the arch bridge construction period is shortened, and due to the fact that on-site assembly construction is not needed, the construction difficulty and the construction cost are reduced. The defect that in the prior art, the bailey beam arch frame is long in construction period is effectively overcome.

Description

Technical Field

[0001] The invention relates to the technical field of arch bridge construction, and in particular to a Bailey beam arch frame integral displacement device, system and method for arch bridge construction. Background Art

[0002] As the supporting formwork component for arch bridge construction, the Bailey beam arch frame is generally assembled on-site between the two bridge banks according to actual construction requirements. That is, between the two bridge banks, the conditions required for the construction of the left and right sides of the side arch ring are adopted, and the arch frame is erected in the full width of the Bailey plate bracket. On the one hand, the full width of the Bailey plate arch frame will consume a large amount of steel, Bailey plates and other auxiliary construction materials and construction personnel costs, which will eventually make the project construction cost too high; on the other hand, the construction period is extended due to the need to assemble the arch frame formwork on-site. Therefore, the existing Bailey beam arch frame has a long overall construction period and high construction cost. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcoming of the long construction period of Bailey beam arch frame in the prior art, and to propose a Bailey beam arch frame integral displacement device, system and method for arch bridge construction.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] In a first aspect, the present invention provides a Bailey beam arch frame integral displacement device for arch bridge construction, comprising:

[0006] A Bailey beam arch frame, wherein the Bailey beam arch frame is in an arch shape and is erected between the first bridge bank and the second bridge bank, and the Bailey beam arch frame is used for supporting the formwork for the arch bridge construction;

[0007] A mid-span construction platform, which is arranged on one side of the first bridge bank and the second bridge bank, extends between the first bridge bank and the second bridge bank, and is located in the middle of the Bailey beam arch frame;

[0008] Two sets of side span transverse movement structures, the two sets of side span transverse movement structures are respectively arranged on both sides of the Bailey beam arch frame, the two sets of side span transverse movement structures are respectively located on the first bridge bank and the second bridge bank, and the two sets of side span transverse movement structures are used to drive the Bailey beam arch frame to move on the first bridge bank and the second bridge bank as a whole;

[0009] A mid-span transverse movement structure is arranged on a mid-span construction platform, and is connected to the middle part of the Bailey beam arch frame. The mid-span transverse movement structure is used to drive the Bailey beam arch frame to move on the mid-span construction platform to a construction position between the first bridge bank and the second bridge bank.

[0010] In a feasible solution, the side span transverse shifting structure includes:

[0011] a first slide plate, the first slide plate being arranged on the first bridge bank and / or the second bridge bank, the first slide plate being located at one side of the Bailey beam arch frame, the first slide plate being provided with a first slideway, the sliding direction of the first slideway being perpendicular to between the first bridge bank and the second bridge bank;

[0012] A support plate, wherein the support plate is disposed on the first slide plate, the support plate is located on the first slideway, and the support plate slides along the first slideway;

[0013] A mounting plate, the mounting plate is arranged at a position of the support plate away from the first slideway, the mounting plate is provided with a plurality of mounting grooves, and the mounting plate is connected to the Bailey beam arch frame through the plurality of mounting grooves;

[0014] A first pulling component is disposed at one end of the first slideway, one end of the first pulling component is connected to the support plate, and the first pulling component is used to drive the support plate to move in the first slideway.

[0015] In a feasible solution, the first pulling component includes:

[0016] A first anchoring block, wherein the first anchoring block is disposed on the first slide plate, the first anchoring block is located at a position of the first slide plate away from the first bridge bank, and the first anchoring block is used to provide a moving fulcrum;

[0017] A first pulling member, one end of which is connected to the first anchoring block, and the other end of which is connected to the support plate via a first connecting steel rope.

[0018] In a feasible solution, the mid-span transverse structure includes:

[0019] A plurality of support rods, wherein the plurality of support rods are symmetrically arranged on both sides of the mid-span construction platform, and the plurality of support rods are located between the first bridge bank and the second bridge bank;

[0020] Two second slides, the two second slides are respectively arranged on both sides of the mid-span construction platform, the two second slides are respectively connected to the plurality of support rods, and the two second slides are both provided with a second slideway, and the setting direction of the second slideway is consistent with the setting direction of the first slideway;

[0021] A plurality of locking blocks, wherein the plurality of locking blocks are respectively arranged in the two second slideways, a sliding block is arranged at one end of the locking block, and the locking block is slidably connected to the second slideway through the sliding block;

[0022] A plurality of anchor rods, wherein the plurality of anchor rods are vertically arranged at the other end of the locking block, one end of the anchor rod away from the locking block is inserted into the support frame of the Bailey beam arch, and the other end of the locking block is connected to the support frame of the Bailey beam arch through the anchor rod;

[0023] Two second pulling assemblies are symmetrically arranged on one end of the two second slides, the second pulling assembly is located away from the first bridge bank and the second bridge bank, one end of the second pulling assembly is connected to the locking block, and the pulling direction of the second pulling assembly is consistent with the pulling direction of the first pulling assembly.

[0024] In a feasible solution, the second pulling component includes:

[0025] A second anchoring block, wherein the second anchoring block is disposed on the second slide plate, the second anchoring block is located at a position of the second slide plate away from the first bridge bank, and the second anchoring block is used to provide a moving fulcrum;

[0026] A second pulling member, one end of which is connected to the second anchoring block, and the other end of which is connected to the locking block via a second connecting steel rope.

[0027] In a feasible solution, the first pulling member and the second pulling member are any one of a hand chain hoist, an electric hoist or a hydraulic telescopic structure.

[0028] In a feasible solution, the locking block is inclined on a surface away from the second slideway, and the locking block abuts against the arched inner wall of the Bailey beam arch frame through the inclined shape, and the anchor rod is connected to the locking block at the inclined portion of the locking block.

[0029] In a feasible solution, the mid-span transverse structure further includes:

[0030] A plurality of lifting members are respectively arranged on the plurality of support rods, the lifting members are located between the support rods and the second slide plate, and the lifting members are used to drive the support slide height of the second slide plate and the locking block as a whole.

[0031] In a second aspect, the present invention provides a Bailey beam arch frame integral displacement system for arch bridge construction, which adopts a Bailey beam arch frame integral displacement device for arch bridge construction as described in any one of the first aspects; the displacement system further includes:

[0032] A displacement control module, the displacement control module is used to control the pulling amount of the first pulling component and the second pulling component, and control the lifting and lowering of the lifting member;

[0033] A distance measurement module is used to perform position calibration on each arch structure.

[0034] In a third aspect, the present invention provides a Bailey beam arch frame integral displacement method for arch bridge construction, which adopts a Bailey beam arch frame integral displacement device for arch bridge construction described in any one of the first aspects or a Bailey beam arch frame integral displacement system for arch bridge construction described in the second aspect; the displacement method further comprises:

[0035] Before the Bailey beam casting construction, multiple groups of arch frame structures are assembled between the first bridge bank and the second bridge bank to form a Bailey beam arch frame as a whole. After the Bailey beam arch frame as a whole is moved to the construction positions of the first bridge bank and the second bridge bank through two groups of first pulling components and second pulling components through the first slideway and the second slideway respectively, wind-resistant steel cables are set at the wind cable pulling points at the Bailey beam arch frame to connect the first bridge bank and the second bridge bank as a whole, completing the overall connection between the Bailey beam arch frame and the first bridge bank and the second bridge bank and the overall installation of the displacement device;

[0036] After the Bailey beam is cast, the overall connection between the wind-resistant steel rope and the first bridge bank and the second bridge bank is released, and the two sets of first pulling components are used to drive the side span feet of the Bailey beam arch frame to move as a whole along the first slideway. At the same time, the second pulling component is used to drive the middle span of the Bailey beam arch frame to move as a whole along the second slideway, so as to complete the mold disassembly and separation of the Bailey beam arch frame and the completed Bailey beam, so as to achieve the reuse of the Bailey beam arch frame and the displacement device.

[0037] The beneficial effects of the present invention are:

[0038] The present invention moves the prefabricated and assembled Bailey beam arch frame to the construction position between the first bridge bank and the second bridge bank through two sets of side span transverse movement structures and the middle span transverse movement structure, shortening the arch bridge construction period, and reducing the construction difficulty and construction cost because no on-site assembly construction is required. That is, it effectively solves the disadvantage of the long construction period of the Bailey beam arch frame in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A schematic diagram of the overall structure and use of a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0040] Figure 2 It is a schematic diagram of the overall structure of a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0041] Figure 3 A schematic diagram of a side span transverse displacement structure in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0042] Figure 4It is a partial schematic diagram of a side span transverse displacement structure in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0043] Figure 5 It is a structural schematic diagram of a support body in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0044] Figure 6 A schematic diagram of a mid-span transverse displacement structure in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0045] Figure 7 It is a partial schematic diagram of a mid-span transverse displacement structure in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention;

[0046] Figure 8 The present invention is a schematic diagram of a Bailey beam arch frame structure in a Bailey beam arch frame integral displacement device for arch bridge construction provided in an embodiment of the present invention.

[0047] The markings in the figure are as follows:

[0048] 1. First bridge shore;

[0049] 2. Side span transverse shifting structure; 21. First slide plate; 211. Mounting plate; 212. Support plate; 213. Mounting groove; 22. First anchor block; 221. First pulling member; 222. First connecting steel rope;

[0050] 3. Bailey beam arch frame; 31. First support body; 311. Second support body; 32. Support connecting rod; 33. Support frame; 331. Strengthening frame; 34. Reinforced flower rack; 35. Wind cable tie point; 36. Transverse connecting rod;

[0051] 4. Mid-span construction platform; 41. Support rod; 411. Lifting member; 42. Second slide plate; 421. First limit plate; 422. Second limit plate; 43. Locking block; 431. Sliding block; 432. Anchor rod; 44. Second anchor block; 441. Second pulling member; 442. Second connecting steel rope;

[0052] 5. Second bridge bank; 51. Support block. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0055] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0057] Reference Figures 1 to 8In order to solve the shortcoming of the long construction period of the Bailey beam arch frame 3 in the prior art, the present invention provides a Bailey beam arch frame 3 integral displacement device for arch bridge construction in this embodiment. The displacement device is arranged between two bridge banks that need to be constructed, that is, the displacement device is arranged between the first bridge bank 1 and the second bridge bank 5. The Bailey beam arch frame 3 body is arranged on the displacement device, and then the Bailey beam arch frame 3 is moved to the construction position between the first bridge bank 1 and the second bridge bank 5 by the displacement device, so that the Bailey beam arch frame 3 can perform formwork support for the arch bridge construction. Specifically, the displacement device includes: a Bailey beam arch frame 3, a mid-span construction platform 4, two sets of side span transverse displacement structures 2 and a mid-span transverse displacement structure. The Bailey beam arch frame 3 is arch-shaped, and the Bailey beam arch frame 3 is erected between the first bridge bank 1 and the second bridge bank 5. The Bailey beam arch frame 3 is used to perform formwork support for the arch bridge construction. The middle span construction platform 4 is arranged on one side of the first bridge bank 1 and the second bridge bank 5, and the middle span construction platform 4 extends between the first bridge bank 1 and the second bridge bank 5, and is located in the middle of the Bailey beam arch frame 3. Two groups of the side span transverse structures 2 are respectively arranged on both sides of the Bailey beam arch frame 3, and the two groups of the side span transverse structures 2 are respectively arranged on the first bridge bank 1 and the second bridge bank 5. The two groups of the side span transverse structures 2 are used to drive the Bailey beam arch frame 3 to move on the first bridge bank 1 and the second bridge bank 5 as a whole, so as to achieve the displacement of the Bailey beam arch frame 3 to the construction position between the first bridge bank 1 and the second bridge bank 5. The middle span transverse structure is arranged on the middle span construction platform 4, and the middle span transverse structure is connected to the middle part of the Bailey beam arch frame 3. The middle span transverse structure is used to drive the Bailey beam arch frame 3 to cooperate with the two groups of side span transverse structures 2 on the middle span construction platform 4 to displace the Bailey beam arch frame 3 to the construction position between the first bridge bank 1 and the second bridge bank 5. That is, in this embodiment, the prefabricated and assembled Bailey beam arch frame 3 is moved to the construction position between the first bridge bank 1 and the second bridge bank 5 through two sets of side span transverse displacement structures 2 and the middle span transverse displacement structure, which shortens the construction period of the arch bridge, and because no on-site assembly construction is required, the construction difficulty and construction cost are reduced. That is, the disadvantage of the long construction period of the Bailey beam arch frame 3 in the prior art is effectively solved.

[0058] Reference Figures 3 to 5In this embodiment, two groups of the side span transverse structures 2 are respectively arranged between the first bridge bank 1 and the second bridge bank 5, so that the Bailey beam arch frame 3 can be moved to the construction position between the first bridge bank 1 and the second bridge bank 5 through the two groups of side span transverse structures 2 and the middle span transverse structure. Here, in order to facilitate the description of the side span transverse structure 2, a group of side span transverse structures 2 is used as an example. Specifically, a group of the side span transverse structures 2 includes: a first slide plate 21, a support plate 212, a mounting plate 211 and a first pulling assembly. The first slide plate 21 is arranged on the first bridge bank 1, and the first slide plate 21 is located on one side of the Bailey beam arch frame 3. The first slide plate 21 is provided with a first slideway (not marked in the figure), and the sliding direction of the first slideway is perpendicular to the first bridge bank 1 and the second bridge bank 5, that is, the Bailey beam arch frame can be moved to the construction position between the first bridge bank 1 and the second bridge bank 5 along the first slideway. The support plate 212 is arranged on the first slide plate 21, the support plate 212 is located on the first slideway, and the support plate 212 slides along the first slideway. The mounting plate 211 is arranged at a position where the support plate 212 is far away from the first slideway, and a plurality of mounting grooves 213 are arranged on the mounting plate 211. The mounting plate 211 is connected to the Bailey beam arch frame 3 through the plurality of mounting grooves 213, so as to drive the Bailey beam arch frame 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. The first pulling assembly is arranged at one end of the first slideway, and one end of the first pulling assembly is connected to the support plate 212. The first pulling assembly is used to drive the support plate 212 to move in the first slideway, so as to drive the Bailey beam arch frame 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. Specifically, the first pulling assembly includes: a first anchor block 22, a first pulling member 221, and a first connecting steel rope 222. The first anchor block 22 is arranged on the first slide plate 21, and the first anchor block 22 is located at the first slide plate 21 away from the first bridge bank 1, and the first anchor block 22 is used to provide a moving fulcrum. One end of the first pulling member 221 is connected to the first anchor block 22, and the other end of the first pulling member 221 is connected to the support plate 212 through a first connecting steel rope 222. That is, the first pulling member 221 is connected to the support plate 212 by the first connecting steel rope 222, so that the first pulling member 221 pulls the first connecting steel rope 222 to drive the Bailey beam arch frame 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. Similarly, the side span transverse displacement structure 2 arranged at the second bridge bank 5 also includes: a first slide plate 21, a support plate 212, a mounting plate 211 and a first pulling assembly.The first slide plate 21 is arranged on the second bridge bank 5, and the first slide plate 21 is located on one side of the Bailey beam arch 3. The first slide plate 21 is provided with a first slideway (not shown in the figure), and the sliding direction of the first slideway is perpendicular to the first bridge bank 1 and the second bridge bank 5, that is, to enable the Bailey beam arch to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. The support plate 212 is arranged on the first slide plate 21, and the support plate 212 is located on the first slideway, and the support plate 212 slides along the first slideway. The mounting plate 211 is arranged at a position where the support plate 212 is far away from the first slideway, and a plurality of mounting grooves 213 are arranged on the mounting plate 211. The mounting plate 211 is connected to the Bailey beam arch 3 through the plurality of mounting grooves 213, so as to enable the Bailey beam arch 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. The first pulling assembly is arranged at one end of the first slideway, and one end of the first pulling assembly is connected to the support plate 212. The first pulling assembly is used to drive the support plate 212 to move in the first slideway, so as to drive the Bailey beam arch frame 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. Specifically, the first pulling assembly on the second bridge bank 5 also includes: a first anchor block 22, a first pulling member 221 and a first connecting steel rope 222. The first anchor block 22 is arranged on the first slide plate 21, and the first anchor block 22 is located at the place where the first slide plate 21 is far away from the first bridge bank 1. The first anchor block 22 is used to provide a moving force point. One end of the first pulling member 221 is connected to the first anchor block 22, and the other end of the first pulling member 221 is connected to the support plate 212 through a first connecting steel rope 222. That is, the first pulling member 221 is connected to the support plate 212 by the first connecting steel rope 222, and the first pulling member 221 pulls the first connecting steel rope 222 to drive the Bailey beam arch 3 to move along the first slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. In this embodiment, the first pulling member 221 is a hand chain hoist, an electric hoist or a hydraulic telescopic structure.

[0059] Reference Figure 6 and Figure 7In this embodiment, the mid-span transverse structure is arranged on the mid-span construction platform 4, wherein, in order to facilitate the displacement of the middle part of the Bailey beam arch frame 3 and subsequent construction, the mid-span construction platform 4 can be arranged in a T-shaped structure, and the mid-span construction platform 4 is supported by an integral platform bracket and a platform surface, which will not be described in detail here. The mid-span transverse structure displaces the Bailey beam arch frame 3 to the construction position between the first bridge bank 1 and the second bridge bank 5 on the mid-span construction platform 4. Specifically, the mid-span transverse structure includes: a plurality of support rods 41, two second slide plates 42, a plurality of locking blocks 43, a plurality of anchor rods 432 and two second pulling assemblies. The plurality of support rods 41 are symmetrically arranged on both sides of the mid-span construction platform 4, the plurality of support rods 41 are located between the first bridge bank 1 and the second bridge bank 5, and the plurality of support rods 41 form supporting bodies on both sides of the mid-span construction platform 4, respectively, so as to facilitate the subsequent erection of the displacement structure. Two second slides 42 are respectively arranged on both sides of the mid-span construction platform 4, and the two second slides 42 are respectively connected to the plurality of support rods 41. The two second slides 42 are both provided with second slideways, and the setting direction of the second slideways is consistent with the setting direction of the first slideways, that is, to achieve driving the Bailey beam arch 3 to move along the second slideways to the construction position between the first bridge bank 1 and the second bridge bank 5. Multiple locking blocks 43 are respectively arranged in the two second slideways, and a sliding block 431 is arranged at one end of the locking block 43, and the locking block 43 is slidably connected to the second slideway through the sliding block 431. Multiple anchor rods 432 are vertically arranged at the other end of the locking block 43, and the end of the anchor rod 432 away from the locking block 43 is inserted into the support frame 33 of the Bailey beam arch 3, and the other end of the locking block 43 is connected to the support frame 33 of the Bailey beam arch 3 through the anchor rod 432. The two second pulling assemblies are symmetrically arranged on one end of the two second slide plates 42, respectively. The second pulling assemblies are located away from the first bridge bank 1 and the second bridge bank 5. One end of the second pulling assemblies is connected to the locking block 43. The pulling direction of the second pulling assemblies is consistent with the pulling direction of the first pulling assemblies, so as to move the Bailey beam arch frame 3 along the second slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. That is, in this embodiment, by arranging the second slide plates 42 on both sides of the mid-span construction platform 4, the second pulling assemblies drive the locking block 43 in the second slideway of the second slide plate 42 through the anchor rod 432 to move the Bailey beam arch frame 3 along the second slideway to the construction position between the first bridge bank 1 and the second bridge bank 5.

[0060] In this embodiment, the second pulling assembly includes: a second anchor block 44, a second pulling member 441 and a second connecting steel rope 442. The second anchor block 44 is arranged on the second slide 42, and the second anchor block 44 is located at the second slide 42 away from the first bridge bank 1, and the second anchor block 44 is used to provide a moving fulcrum. One end of the second pulling member 441 is connected to the second anchor block 44, and the other end of the second pulling member 441 is connected to the locking block 43 through a second connecting steel rope 442. That is, the second pulling member 441 is connected to the locking block 43 through the second connecting steel rope 442, so that the second pulling member 441 pulls the second connecting steel rope 442 to drive the Bailey beam arch frame 3 to move along the second slideway to the construction position between the first bridge bank 1 and the second bridge bank 5. In this embodiment, the second pulling member 441 is a hand chain hoist, an electric hoist or a hydraulic telescopic structure.

[0061] In this embodiment, in order to make the locking block 43 and the anchor rod 432 fit the arch of the Bailey beam arch frame 3 more conveniently, the locking block 43 is inclined on the side away from the second slide, and the locking block 43 is abutted against the arched inner wall of the Bailey beam arch frame 3 through the inclination, and the anchor rod 432 is connected to the locking block 43 at the inclination of the locking block 43.

[0062] In this embodiment, in order to facilitate the lifting and disassembly of the mid-span transverse structure and the Bailey beam arch frame 3, the mid-span transverse structure further includes: a plurality of lifting members 411, the plurality of lifting members 411 are respectively arranged on the plurality of support rods 41, the lifting members 411 are located between the support rods 41 and the second slide plate 42, and the lifting members 411 are used to drive the support slide height of the second slide plate 42 and the locking block 43 as a whole, so as to facilitate the subsequent lifting and disassembly of the mid-span transverse structure. In this embodiment, the lifting method of the lifting member 411 can be electric, hydraulic and pneumatic. That is, the lifting member 411 is any one of an electric push rod, a hydraulic push rod and a pneumatic push rod.

[0063] Reference Figure 6 and Figure 7In this embodiment, in order to prevent the sliding block 431 in the mid-span transverse structure from sliding out of the second slideway, a first limiting plate 421 and two second limiting plates 422 are provided on the second slide 42. The first limiting plate 421 is provided at a position of the second slide 42 away from the pulling assembly, and the first limiting plate 421 is used to prevent the sliding block 431 from driving the locking block 43 to move out of the second slideway of the second slide 42. The second limiting plates 422 are symmetrically provided on both sides of the second slide 42, and the two second limiting plates 422 are located on both sides of the second slideway. The second limiting plates 422 are used to prevent the sliding block 431 from driving the locking block 43 to move out of the second slideway of the second slide 42 from the side of the second slideway.

[0064] In this embodiment, in order to ensure the displacement effect, butter or other lubricating oil can be applied to the first slideway and the second slideway to achieve smoother movement of the side span transverse displacement structure 2 and the middle span transverse displacement structure.

[0065] In this embodiment, in order to meet the construction requirements of bridge banks of different heights, the side span transverse displacement structure 2 can be integrally arranged on the support block 51, so that the support block 51 can integrally lift the Bailey beam arch frame 3. That is, by arranging the support block 51 with a height-increasing function at the bottom of the side span transverse displacement structure 2, the Bailey beam arch frame 3 can meet the displacement requirements and the requirements of arch bridge construction.

[0066] Reference Figure 8In this embodiment, in order to reduce the assembly time of the Bailey beam arch frame 3, the Bailey beam arch frame 3 is a prefabricated integrated structure, that is, the Bailey beam arch frame 3 can be directly produced and processed at a convenient construction location or in a factory. The Bailey beam arch frame 3 includes: multiple groups of arch frame structures, multiple groups of arch frame structures are arched to achieve the construction of the Bailey beam of the arch bridge, and multiple groups of arch frame structures are arranged parallel to each other between the first bridge bank 1 and the second bridge bank 5. In order to strengthen the overall support effect of the multiple groups of arch frame structures on the construction of the Bailey beam of the arch bridge, transverse connecting rods 36 are arranged between the multiple groups of the arch frame structures, and the transverse connecting rods 36 are used to cross-connect the multiple groups of arch frame structures to achieve the connection of the multiple groups of arch frame structures as a whole. In order to facilitate the description of the multiple groups of arch frame structures, an arch frame structure is used as an example. Specifically, one arch frame structure includes: multiple support frames 33, multiple reinforcement flower racks 34, two first support bodies 31 and two support connecting rods 32. The support frame 33 is provided with a reinforcement frame 331 inside, and the reinforcement frame 331 is used to strengthen the construction support effect of the support frame 33 as a whole. The multiple support frames 33 are spliced ​​and connected to each other, and the multiple support frames 33 are spliced ​​to form an arch. In order to increase the wind resistance of the arch structure, at least two wind cable tie points 35 are provided at the points where the multiple support frames 33 are spliced ​​to each other, and the wind cable tie points 35 are used to connect wind-resistant cables. The multiple reinforced flower racks 34 are square frames, and the reinforced flower racks 34 are provided on the multiple support frames 33. The reinforced flower racks 34 are used to install and strengthen the bending points where the multiple support frames 33 are spliced ​​to each other, so as to ensure the overall arch stability of the arch structure. The first support body 31 is V-shaped, and two of the first support bodies 31 are respectively arranged on both sides of the arch structure formed by the plurality of support frames 33 being spliced ​​together. The open end of the first support body 31 is connected to the support frame 33, and the two first support bodies 31 are respectively connected to two mounting plates 211 in the two side span transverse structures 2 away from the open end (preferably, the first support body 31 is detachably connected to the mounting plate 211 via a mounting groove 213 away from the open end, so as to meet different construction requirements). The two support links 32 are symmetrically arranged on both sides of the arch formed by the plurality of support frames 33 being spliced ​​together, and the support links 32 are connected to the open end of the first support body 31, and the support links 32 and the first support body 31 form a triangular structure, and the support links 32 are used to splice and connect the first support body 31 with the plurality of support frames 33. In this embodiment, a plurality of support frames 33 are spliced ​​together to form an arch, and then the arch is reinforced with a flower rack 34, a reinforcement frame 331, and wind-resistant cables are connected at the cable anchoring point 35 to ensure the stability of the multiple groups of arch frame structures erected parallel to each other between the first bridge bank 1 and the second bridge bank 5, and then the whole is connected through a transverse connecting rod 36 to strengthen the support stability of the multiple groups of arch frame structures as a whole.

[0067] Reference Figure 3 and Figure 4 In this embodiment, in order to ensure that the first support body 31 firmly connects the multiple groups of arch structures with the side span transverse structure 2, a second support body 311 is provided inside each of the first support bodies 31. The second support body 311 is triangular in shape, and the triangular ends of the second support body 311 are respectively in contact with the first support body 31 and the supporting connecting rod 32. The second support bodies 311 are arranged parallel to each other inside the first support bodies 31. In this embodiment, in order to facilitate the recycling and reuse of the arch structure, the second support body 311 is composed of three support rods, and the three support rods are respectively rotatably connected to the first support body 31 and the supporting connecting rod 32, so as to facilitate the separation of the second support body 311 from the first support body 31 and the supporting connecting rod 32.

[0068] In a second aspect, the present invention further provides a Bailey beam arch frame 3 integral displacement system for arch bridge construction, wherein the displacement system adopts one of the above-mentioned Bailey beam arch frame 3 integral displacement devices for arch bridge construction, and the displacement system also includes: a displacement control module and a distance measurement module. The displacement control module is used to control the pulling amount of the first pulling component and the second pulling component, and to control the lifting and lowering of the lifting member 411, that is, in a feasible embodiment, the pulling amount of the first pulling component and the second pulling component can be controlled by controlling hydraulic pressure, air pressure or electrical signals, or the pulling amount of the first pulling component and the second pulling component can be controlled manually. The distance measurement module is used to perform position calibration and calibration on each arch frame structure.

[0069] In a third aspect, the present invention further provides a method for overall displacement of a Bailey beam arch frame 3 for arch bridge construction, wherein the displacement method adopts one of the above-mentioned Bailey beam arch frame 3 overall displacement devices for arch bridge construction or one of the above-mentioned Bailey beam arch frame 3 overall displacement systems for arch bridge construction, and the displacement method further comprises:

[0070] Before the Bailey beam casting construction, multiple groups of arch frame structures are assembled between the first bridge bank 1 and the second bridge bank 5 to form the Bailey beam arch frame 3 as a whole. After the Bailey beam arch frame 3 as a whole is moved to the construction positions of the first bridge bank 1 and the second bridge through the two groups of first pulling components and the second pulling components through the first slideway and the second slideway respectively, a wind-resistant steel rope is set at the wind cable pulling point 35 of the Bailey beam arch frame 3 to connect with the first bridge bank 1 and the second bridge bank 5 as a whole, completing the overall connection between the Bailey beam arch frame 3 and the first bridge bank 1 and the second bridge bank 5 and the installation of the displacement device as a whole;

[0071] After the Bailey beam is cast, the overall connection between the wind-resistant steel rope and the first bridge bank 1 and the second bridge bank 5 is released, and the side span feet of the Bailey beam arch frame 3 are driven to move along the first slideway as a whole by two sets of first pulling components, and the middle span of the Bailey beam arch frame 3 is driven to move along the second slideway as a whole by the second pulling component, so as to complete the mold disassembly and separation of the Bailey beam arch frame 3 and the Bailey beam after construction, so as to realize the reuse of the Bailey beam arch frame 3 and the displacement device. That is, in this embodiment, by moving the prefabricated and assembled Bailey beam arch frame 3 to the construction position between the first bridge bank 1 and the second bridge bank 5 through two sets of side span transverse displacement structures 2 and the middle span transverse displacement structure, the construction period of the arch bridge is shortened, and because no on-site assembly construction is required, the construction difficulty and construction cost are reduced. That is, the disadvantage of the long construction period of the Bailey beam arch frame 3 in the prior art is effectively solved.

[0072] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A Bailey beam arch frame integral displacement device for arch bridge construction, characterized in that: include: A Bailey beam arch frame, wherein the Bailey beam arch frame is in an arch shape and is erected between the first bridge bank and the second bridge bank, and the Bailey beam arch frame is used for supporting the formwork for the arch bridge construction; A mid-span construction platform, which is arranged on one side of the first bridge bank and the second bridge bank, extends between the first bridge bank and the second bridge bank, and is located in the middle of the Bailey beam arch frame; Two sets of side span transverse movement structures, the two sets of side span transverse movement structures are respectively arranged on both sides of the Bailey beam arch frame, the two sets of side span transverse movement structures are respectively located on the first bridge bank and the second bridge bank, and the two sets of side span transverse movement structures are used to drive the Bailey beam arch frame to move on the first bridge bank and the second bridge bank as a whole; A mid-span transverse movement structure is arranged on a mid-span construction platform, and is connected to the middle part of the Bailey beam arch frame. The mid-span transverse movement structure is used to drive the Bailey beam arch frame to move on the mid-span construction platform to a construction position between the first bridge bank and the second bridge bank.

2. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 1, characterized in that: The side span transverse shifting structure comprises: a first slide plate, the first slide plate being arranged on the first bridge bank and / or the second bridge bank, the first slide plate being located at one side of the Bailey beam arch frame, the first slide plate being provided with a first slideway, the sliding direction of the first slideway being perpendicular to between the first bridge bank and the second bridge bank; A support plate, wherein the support plate is disposed on the first slide plate, the support plate is located on the first slideway, and the support plate slides along the first slideway; A mounting plate, the mounting plate is arranged at a position of the support plate away from the first slideway, the mounting plate is provided with a plurality of mounting grooves, and the mounting plate is connected to the Bailey beam arch frame through the plurality of mounting grooves; A first pulling component is disposed at one end of the first slideway, one end of the first pulling component is connected to the support plate, and the first pulling component is used to drive the support plate to move in the first slideway.

3. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 2, characterized in that: The first pulling assembly comprises: A first anchoring block, wherein the first anchoring block is disposed on the first slide plate, the first anchoring block is located at a position of the first slide plate away from the first bridge bank, and the first anchoring block is used to provide a moving fulcrum; A first pulling member, one end of which is connected to the first anchoring block, and the other end of which is connected to the support plate via a first connecting steel rope.

4. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 3, characterized in that: The mid-span lateral shifting structure comprises: A plurality of support rods, wherein the plurality of support rods are symmetrically arranged on both sides of the mid-span construction platform, and the plurality of support rods are located between the first bridge bank and the second bridge bank; Two second slides, the two second slides are respectively arranged on both sides of the mid-span construction platform, the two second slides are respectively connected to the plurality of support rods, and the two second slides are both provided with a second slideway, and the setting direction of the second slideway is consistent with the setting direction of the first slideway; A plurality of locking blocks, wherein the plurality of locking blocks are respectively arranged in the two second slideways, a sliding block is arranged at one end of the locking block, and the locking block is slidably connected to the second slideway through the sliding block; A plurality of anchor rods, wherein the plurality of anchor rods are vertically arranged at the other end of the locking block, one end of the anchor rod away from the locking block is inserted into the support frame of the Bailey beam arch, and the other end of the locking block is connected to the support frame of the Bailey beam arch through the anchor rod; Two second pulling assemblies are symmetrically arranged on one end of the two second slides, the second pulling assembly is located away from the first bridge bank and the second bridge bank, one end of the second pulling assembly is connected to the locking block, and the pulling direction of the second pulling assembly is consistent with the pulling direction of the first pulling assembly.

5. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 4, characterized in that: The second pulling assembly comprises: A second anchoring block, wherein the second anchoring block is disposed on the second slide plate, the second anchoring block is located at a position of the second slide plate away from the first bridge bank, and the second anchoring block is used to provide a moving fulcrum; A second pulling member, one end of which is connected to the second anchoring block, and the other end of which is connected to the locking block via a second connecting steel rope.

6. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 5, characterized in that: The first pulling member and the second pulling member are any one of a hand chain hoist, an electric hoist or a hydraulic telescopic structure.

7. The Bailey beam arch frame integral displacement device for arch bridge construction according to claim 6, characterized in that: The locking block is inclined on a surface away from the second slideway, and the locking block abuts against the arched inner wall of the Bailey beam arch frame through the inclination, and the anchor rod is connected to the locking block at the inclination of the locking block.

8. A Bailey beam arch frame integral displacement device for arch bridge construction according to claim 6 or 7, characterized in that: The mid-span lateral shifting structure further comprises: A plurality of lifting members are respectively arranged on the plurality of support rods, the lifting members are located between the support rods and the second slide plate, and the lifting members are used to drive the support slide height of the second slide plate and the locking block as a whole.

9. A Bailey beam arch frame integral displacement system for arch bridge construction, characterized in that: A Bailey beam arch frame integral displacement device for arch bridge construction according to any one of claims 1 to 8 is adopted; the displacement system also includes: A displacement control module, the displacement control module is used to control the pulling amount of the first pulling component and the second pulling component, and control the lifting and lowering of the lifting member; A distance measurement module is used to perform position calibration on each arch structure.

10. A Bailey beam arch frame integral displacement method for arch bridge construction, characterized in that: The Bailey beam arch frame integral displacement device for arch bridge construction described in any one of claims 1 to 8 or the Bailey beam arch frame integral displacement system for arch bridge construction described in claim 9 is adopted; the displacement method also includes: Before the Bailey beam casting construction, multiple groups of arch frame structures are assembled between the first bridge bank and the second bridge bank to form a Bailey beam arch frame as a whole. After the Bailey beam arch frame as a whole is moved to the construction positions of the first bridge bank and the second bridge bank through two groups of first pulling components and second pulling components through the first slideway and the second slideway respectively, wind-resistant steel cables are set at the wind cable pulling points at the Bailey beam arch frame to connect the first bridge bank and the second bridge bank as a whole, completing the overall connection between the Bailey beam arch frame and the first bridge bank and the second bridge bank and the overall installation of the displacement device; After the Bailey beam is cast, the overall connection between the wind-resistant steel rope and the first bridge bank and the second bridge bank is released, and the two sets of first pulling components are used to drive the side span feet of the Bailey beam arch frame to move as a whole along the first slideway. At the same time, the second pulling component is used to drive the middle span of the Bailey beam arch frame to move as a whole along the second slideway, so as to complete the mold disassembly and separation of the Bailey beam arch frame and the completed Bailey beam, so as to achieve the reuse of the Bailey beam arch frame and the displacement device.

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