A vertical swing bridge installation device and method

Abstract

The present invention relates to the technical field of movable bridge construction, and discloses a device and method for installing a vertically rotating opening bridge, including a bridge pier, wherein a pre-embedded hole is opened on the top of the bridge pier, a bearing seat embedded part and a cylinder seat embedded part are fixedly connected inside the pre-embedded hole, the outer parts of the bearing seat embedded part and the cylinder seat embedded part are both threadedly connected with lower nuts, the tops of the lower nuts are respectively fixedly connected to a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are respectively sleeved on the outer parts of the bearing seat embedded part and the cylinder seat embedded part; the device and method for installing a vertically rotating opening bridge adopt an overall pre-embedded manner to enable all pre-embedded bolts to be embedded with high precision, while ensuring the coaxiality of all bearing seats, all bolts can be accurately aligned, the construction is simple, the precision adjustment is convenient and quick, and the device can be widely used in the field of similar large movable bridges and projects with high requirements for pre-embedded precision.

Description

Technical Field

[0001] The invention relates to the technical field of movable bridge construction, and in particular to a vertical swing bridge installation device and method. Background Art

[0002] As a movable bridge, a bascule bridge is needed to solve water and land transportation problems when land transportation is not very busy, there are ships sailing on rivers and seas, and fixed bridges cannot be built above the navigation clearance.

[0003] A vertical swing bridge is a bridge that can be opened and closed vertically. It has two types: single-leaf opening and closing and double-leaf opening and closing. The key moving component of this kind of swing bridge is the main axis of the bridge body rotating around multiple sets of bearings and bearing seats to achieve opening and closing. In order to achieve the function, the installation accuracy of all bearing seats is very high. The general design requires that the coaxiality be controlled within 1mm. However, for large movable bridges, the error of the embedded bolts in the civil engineering is large, and it is difficult to ensure such a high installation accuracy. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a vertical swing bridge installation device and method, which has the advantages of simple construction and convenient and quick precision adjustment. It solves the problem that the prior art has very high requirements for the installation accuracy of the bearing seat. The general design requires the coaxiality to be controlled within 1mm, but for large movable bridges, the error of the embedded bolts in the civil engineering is large, making it difficult to ensure such a high installation accuracy.

[0005] The technical solution of the present invention for solving the above-mentioned technical problems is as follows: a vertical opening bridge installation device comprises a pier, a pre-embedded hole is opened on the top of the pier, a bearing seat embedded part and a cylinder seat embedded part are fixedly connected inside the pre-embedded hole, the outside of the bearing seat embedded part and the cylinder seat embedded part are both threadedly connected with a lower nut, the top of the lower nut is respectively fixedly connected to a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are respectively sleeved on the outside of the bearing seat embedded part and the cylinder seat embedded part, the outside of the bearing seat embedded part and the cylinder seat embedded part are both threadedly connected with an upper nut located above the first mounting plate and the second mounting plate, and the top of the first mounting plate and the second mounting plate are both fixedly connected to the embedded bracket.

[0006] Based on the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the bearing seat embedded parts and the cylinder seat embedded parts each include a plurality of anchor bolts and fixing nuts, the embedded bracket is provided with holes having the same number as the anchor bolts, the outside of each of the plurality of anchor bolts is threadedly connected to two fixing nuts, and a bolt group fixing plate fixedly connected to the plurality of anchor bolts is fixedly connected between the two fixing nuts.

[0008] Another technical problem to be solved by the present invention is to provide an installation method of a vertical swing bridge installation device, comprising the following steps:

[0009] S1: Open embedded holes on the bridge pier;

[0010] S2: Connect the bearing seat embedded part and the cylinder seat embedded part to form an embedded part as a whole;

[0011] S3: hoist the connected embedded parts into the embedded holes as a whole;

[0012] S4: Use a total station and a level to measure the embedded parts multiple times and adjust their elevations to the design values;

[0013] S5: Fix the embedded parts in the embedded holes to complete the embedding work.

[0014] Further, the method further comprises the following steps:

[0015] S01: Wash and bore the connection parts of the bearing seat embedded parts and the cylinder seat embedded parts with the first mounting plate, the second mounting plate and the bolt group fixing plate;

[0016] S02: Screw in lower fixing nuts on the outside of several anchor bolts, and adjust the heights of several lower fixing nuts to a height H of the same horizontal line parallel to the top surface of the pier;

[0017] S03: insert a number of anchor bolts into the bolt group fixing plate, and place the bolt group fixing plate on the fixing nuts below;

[0018] S04: Screw the outer part of the anchor bolt into the upper fixing nut, and clamp and fix the bolt group fixing plate;

[0019] S05: Screw in lower nuts on the outside of the anchor bolts of several embedded parts of the oil cylinder seats, and adjust the heights of the several lower nuts to a height H1 of the same horizontal line parallel to the top surface of the pier;

[0020] S06: Screw in lower nuts on the outside of the anchor bolts of several bearing seat embedded parts, and adjust the heights of several lower nuts to the height H2 of the same horizontal line parallel to the top surface of the pier;

[0021] S07: insert the anchor bolts on one side of the bearing seat embedded part and the anchor bolts on one side of the cylinder seat embedded part into the first mounting plate and the second mounting plate respectively, so that the first mounting plate and the second mounting plate are placed on the lower nuts on the same side thereof;

[0022] S08: Screw in upper nuts on the outside of a plurality of anchor bolts to clamp and fix the first mounting plate and the second mounting plate respectively;

[0023] S09: The tops of the first mounting plate and the second mounting plate are fixedly connected to the embedded bracket.

[0024] Further, the method further comprises the following steps:

[0025] S001: After measuring with a total station and a level and adjusting the overall elevation accuracy of the embedded parts, the first concrete pouring is carried out;

[0026] S002: After the first concrete pouring, measure the elevation and flatness of the embedded parts again;

[0027] S003: According to the measured data, fine-tune the lower nut and the upper nut so that the elevation and flatness of the first mounting plate and the second mounting plate reach the preset values;

[0028] S004: After the elevation accuracy is adjusted for the second time, the second concrete pouring is carried out to complete the embedding.

[0029] Further, the method further comprises the following steps:

[0030] S0001: After the pre-embedded work is completed, remove the pre-embedded bracket;

[0031] S0002: Remeasure the elevation and flatness of the upper surfaces of the first mounting plate and the second mounting plate, and record the data;

[0032] S0003: Prepare stainless steel pads according to the retest data, and perform pad processing on the first mounting plate and the second mounting plate to ensure that the mounting surface meets the design requirements;

[0033] S0004: Install the bearing seat and cylinder seat on top of the stainless steel pad.

[0034] Further, the height H2>height H1>height H.

[0035] Furthermore, the error values ​​between the central axis of the bearing seat and the cylinder seat and the central axis of the pier are maintained between -0.5mm and 0.5mm.

[0036] Furthermore, after the first mounting plate and the second mounting plate are connected to the embedded bracket, the deformation in the elevation direction is -1 mm to 1 mm.

[0037] Furthermore, the machining accuracy requirement for the mating surfaces between the embedded bracket and the first mounting plate and the second mounting plate is not less than Ra3.2.

[0038] The beneficial effects of the present invention are:

[0039] Before pre-embedding, pre-embedded holes are opened on the piers; after the holes are opened, the bearing seat embedded parts and the cylinder seat embedded parts are connected to form a whole; the relative position relationship and accuracy requirements of the connection between the embedded parts and the embedded brackets are consistent with the pre-embedded holes of the piers and matched with the bridge body. After the embedded parts are connected as a whole, the connected embedded parts are hoisted as a whole into the embedded holes; then the embedded parts are measured multiple times with a total station and a level and their elevations are adjusted to the design values; after the total station and the level are used to measure and adjust the overall elevation accuracy of the embedded parts to the right position, the first concrete pouring is carried out; after the first concrete pouring, the elevation and flatness of the embedded parts are measured again as a whole; according to the measurement data, the lower nut and the upper nut are fine-tuned to make the elevation and flatness of the first mounting plate and the second mounting plate reach the pre-embedded position. Set value; since secondary grouting holes are opened inside the first mounting plate and the second mounting plate, after confirming that the elevation and flatness of the first mounting plate and the second mounting plate reach the preset values, the second concrete pouring is carried out to complete the embedding. From then on, the embedding work is completed, and the precision control is carried out one by one according to the above steps to ensure the high-precision embedding requirements of the bearing seat embedded parts and the cylinder seat embedded parts, and ensure the coaxiality requirement of the bearing seat and the cylinder seat within 1mm. Then the vertical rotation opening bridge installation device and method adopts the overall embedding method to make all the embedded bolts embed with high precision, while ensuring the coaxiality of all bearing seats, all bolts can be accurately positioned, the construction is simple, the precision adjustment is convenient and quick, and it can be widely used in similar large-scale movable bridge fields and projects with high embedding precision requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a structural schematic diagram of the present invention after installation is completed;

[0041] Figure 2 This is a schematic diagram of the structure of the integral pre-embedded bracket of the present invention;

[0042] Figure 3 This is a schematic diagram of the installation structure of the integral embedded bracket of the present invention;

[0043] Figure 4 It is a schematic diagram of the installation structure of the cylinder seat embedded parts and the bearing seat embedded parts of the present invention.

[0044] In the figure: 1. Bridge pier; 2. Bearing seat embedded part; 3. Cylinder seat embedded part; 4. Lower nut; 5. First mounting plate; 6. Second mounting plate; 7. Upper nut; 8. Embedded bracket; 9. Bolt group fixing plate. DETAILED DESCRIPTION

[0045] The following will be combined with 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.

[0046] Embodiment 1, by Figure 1-4A vertical swing bridge installation device is provided, the invention comprises a bridge pier 1, a pre-buried hole is opened on the top of the bridge pier 1, a bearing seat pre-buried part 2 and a cylinder seat pre-buried part 3 are fixedly connected inside the pre-buried hole, the outer parts of the bearing seat pre-buried part 2 and the cylinder seat pre-buried part 3 are both threadedly connected with a lower nut 4, the top of the lower nut 4 is respectively fixedly connected with a first mounting plate 5 and a second mounting plate 6, the first mounting plate 5 and the second mounting plate 6 are provided with secondary grouting holes, the first mounting plate 5 and the second mounting plate 6 are respectively sleeved on the outer parts of the bearing seat pre-buried part 2 and the cylinder seat pre-buried part 3, the outer parts of the bearing seat pre-buried part 2 and the cylinder seat pre-buried part 3 are both threadedly connected with upper nuts 7 respectively located above the first mounting plate 5 and the second mounting plate 6, the bearing seat pre-buried part 2 and the cylinder seat pre-buried part 3 are The first mounting plate 5 and the second mounting plate 6 are fixed by multiple screws through the upper nut 7 and the lower nut 4. The elevation and flatness of the mounting plate can be adjusted by adjusting the lower nut 4. The tops of the first mounting plate 5 and the second mounting plate 6 are fixedly connected to the embedded bracket 8. The embedded bracket 8 is a temporary fixture designed to ensure the overall embedded accuracy of multiple bearing seats and cylinder seats. The bearing seat embedded part 2 and the cylinder seat embedded part 3 both include a number of anchor bolts and fixing nuts. The embedded bracket 8 is provided with the same number of holes as the anchor bolts. All bolt holes of the embedded bracket 8 are refined holes to avoid a large offset of the bolts in the holes, and the hole group arrangement of the embedded bracket 8 is manufactured according to the theoretical size of the embedded bolt group designed for the entire bridge to ensure the single-side bridge The relative position relationship of all embedded parts, the contact surface between the embedded bracket 8 and the first mounting plate 5 and the second mounting plate 6 are machined and milled to ensure the plane accuracy; the outer sides of several anchor bolts are threadedly connected with two fixing nuts, and a bolt group fixing plate 9 fixedly connected to several anchor bolts is fixedly connected between the two fixing nuts; the cylinder seat embedded parts and the bearing seat embedded parts are all embedded as a whole. Before embedding, step S1 is implemented: an embedded hole is opened on the pier 1; after the hole opening is completed, step S2 is implemented: the bearing seat embedded part 2 and the cylinder seat embedded part 3 are connected to form a whole; the relative position relationship and accuracy requirements of the connection between the embedded parts and the embedded bracket 8 are consistent with the embedded hole of the pier 1, and match the bridge body, and the embedded parts are connected as a whole After the connection is completed, step S3 is implemented: the connected embedded parts are hoisted as a whole into the embedded holes; then step S4 is implemented: the embedded parts are measured multiple times with a total station and a level and their elevation is adjusted to the design value; then step S001 is implemented: after the total station and the level are used to measure and adjust the overall elevation accuracy of the embedded parts, the first concrete pouring is performed; the height of the first concrete pouring should be greater than the height H and less than the height H1, and step S002 is continued to be implemented: after the first concrete pouring, the elevation and flatness of the embedded parts are measured again as a whole; then step S003 is implemented: according to the measurement data, the lower nut 4 and the upper nut 7 are fine-tuned so that the elevation and flatness of the first mounting plate 5 and the second mounting plate 6 reach the preset values;Since the second grouting holes are opened inside the first mounting plate 5 and the second mounting plate 6, after confirming that the elevation and flatness of the first mounting plate 5 and the second mounting plate 6 have reached the preset value, step S004 is implemented: after the elevation accuracy is adjusted twice, the second concrete pouring is performed to complete the pre-embedding, and the pre-embedding work is completed. ;

[0047] Embodiment 2: After the embedded hole is opened on the top of the bridge pier 1, the following steps are performed in sequence:

[0048] S01: Clean and bore the connection parts of the bearing seat embedded part 2 and the cylinder seat embedded part 3 with the first mounting plate 5, the second mounting plate 6 and the bolt group fixing plate 9;

[0049] S02: Screw in lower fixing nuts on the outside of a plurality of anchor bolts, and adjust the heights of the plurality of lower fixing nuts to a height H of the same horizontal line parallel to the top surface of the pier 1;

[0050] S03: insert a plurality of anchor bolts into the bolt group fixing plate 9, and place the bolt group fixing plate 9 on the fixing nuts below;

[0051] S04: Screw the outer part of the anchor bolt into the upper fixing nut to clamp and fix the bolt group fixing plate 9;

[0052] S05: Screw the lower nuts 4 into the outside of the anchor bolts of the plurality of oil cylinder seat embedded parts 3, and adjust the heights of the plurality of lower nuts 4 to a height H1 of the same horizontal line parallel to the top surface of the pier 1, wherein the height H1 is greater than the height H;

[0053] S06: Screw the lower nuts 4 into the outside of the anchor bolts of the plurality of bearing seat embedded parts 2, and adjust the heights of the plurality of lower nuts 4 to a height H2 of the same horizontal line parallel to the top surface of the pier 1, wherein the height H2 is greater than the height H1;

[0054] S07: insert the anchor bolts on one side of the bearing seat embedded part 2 and the anchor bolts on one side of the cylinder seat embedded part 3 into the first mounting plate 5 and the second mounting plate 6 respectively, so that the first mounting plate 5 and the second mounting plate 6 are placed on the lower nuts 4 on the same side thereof;

[0055] S08: Screw in upper nuts 7 on the outside of a plurality of anchor bolts to clamp and fix the first mounting plate 5 and the second mounting plate 6 respectively;

[0056] S09: The tops of the first mounting plate 5 and the second mounting plate 6 are fixedly connected to the embedded bracket 8 .

[0057] When fixing the embedded parts as an integral embedded part, firstly, wash the connection parts of the bearing seat embedded part 2 and the cylinder seat embedded part 3 with the first mounting plate 5, the second mounting plate 6, the embedded bracket 8 and the bolt group fixing plate 9, and bore the first mounting plate 5, the second mounting plate 6, the embedded bracket 8 and the bolt group fixing plate 9 to ensure the positioning accuracy of the bearing seat and the cylinder seat of the single-span bridge; then install the lower fixing nut-bolt group fixing plate-upper fixing nut on the outside of the bearing seat anchor bolt and part of the cylinder seat anchor bolt in sequence, and clamp and fix the entire bolt group fixing plate 9 by the upper and lower fixing nuts. The embedded design can adjust the elevation and flatness of the bolt group fixing plate 9 by adjusting the lower fixing nut. After the bolt group fixing plate 9 is installed and fixed, install the lower nut 4 on the outside of the anchor bolt, and then install the anchor bolt and the cylinder seat embedded part 2 on one side of the bearing seat anchor bolt The first mounting plate 5 and the second mounting plate 6 are respectively installed on the outside of the anchor bolt on one side of the embedded part 3, and then the upper nut 7 is installed on the outside of the anchor bolt. The first mounting plate 5 and the second mounting plate 6 are clamped and fixed by the lower nut 4 and the upper nut 7. The embedded design can adjust the elevation and flatness of the first mounting plate 5 and the second mounting plate 6 by adjusting the lower nut 4. Finally, the top of the first mounting plate 5 and the second mounting plate 6 are fixedly connected to the embedded bracket 8. After the first mounting plate 5 and the second mounting plate 6 are connected to the embedded bracket 8, the deformation in the elevation direction is -1mm to 1mm. The contact surfaces of the embedded bracket 8 and the first mounting plate 5 and the second mounting plate 6 are machined and milled to ensure flatness. To ensure flatness, the machining accuracy of the mating surfaces on the embedded bracket 8 with the first mounting plate 5 and the second mounting plate 6 is required to be no less than Ra3.2. From then on, the installation of the overall embedded parts is completed.

[0058] Embodiment 3: All embedded parts are connected into an integral embedded part, and embedded by multiple pouring and measuring methods, so as to ensure the installation accuracy of the embedded parts, and then continue to perform the following steps:

[0059] S0001: After the pre-embedded work is completed, the pre-embedded bracket 8 is removed;

[0060] S0002: Remeasure the elevation and flatness of the upper surfaces of the first mounting plate 5 and the second mounting plate 6, and record the data;

[0061] S0003: Prepare stainless steel pads according to the retest data, and perform pad processing on the first mounting plate 5 and the second mounting plate 6 to ensure that the mounting surface meets the design requirements;

[0062] S0004: Install the bearing seat and cylinder seat on top of the stainless steel pad.

[0063] By performing precision control one by one according to the above steps, the high-precision embedding requirements of the bearing seat embedded parts 2 and the cylinder seat embedded parts 3 can be guaranteed, and the coaxiality requirements of the bearing seat and the cylinder seat within 1 mm can be guaranteed.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical swing bridge installation device, comprising a bridge pier (1), wherein a pre-buried hole is provided on the top of the bridge pier (1), and the characteristics are: The embedded hole is fixedly connected with a bearing seat embedded part (2) and a cylinder seat embedded part (3); the outer parts of the bearing seat embedded part (2) and the cylinder seat embedded part (3) are both threadedly connected with a lower nut (4); the top of the lower nut (4) is respectively fixedly connected with a first mounting plate (5) and a second mounting plate (6); the first mounting plate (5) and the second mounting plate (6) are respectively sleeved on the outer parts of the bearing seat embedded part (2) and the cylinder seat embedded part (3); the outer parts of the bearing seat embedded part (2) and the cylinder seat embedded part (3) are both threadedly connected with an upper nut (7) located above the first mounting plate (5) and the second mounting plate (6); the tops of the first mounting plate (5) and the second mounting plate (6) are both fixedly connected with an embedded bracket (8).

2. A vertical swing bridge installation device according to claim 1, characterized in that: The bearing seat embedded part (2) and the oil cylinder seat embedded part (3) both include a plurality of anchor bolts and fixing nuts. The embedded bracket (8) is provided with holes in the same number as the anchor bolts. The exteriors of the plurality of anchor bolts are threadedly connected to two fixing nuts. A bolt group fixing plate (9) fixedly connected to the plurality of anchor bolts is fixedly connected between the two fixing nuts.

3. The method for installing a vertical swing bridge installation device according to claim 1 or 2, characterized in that: The steps include: S1: opening a pre-buried hole on the bridge pier (1); S2: Connect the bearing seat embedded part (2) and the cylinder seat embedded part (3) to form an embedded part as a whole; S3: hoist the connected embedded parts into the embedded holes as a whole; S4: Use a total station and a level to measure the embedded parts multiple times and adjust their elevations to the design values; S5: Fix the embedded parts in the embedded holes to complete the embedding work.

4. The method for installing a vertical swing bridge installation device according to claim 3, characterized in that: The step S2 comprises: S01: cleaning and boring the connection parts between the bearing seat embedded part (2) and the oil cylinder seat embedded part (3) and the first mounting plate (5), the second mounting plate (6) and the bolt group fixing plate (9); S02: Screw in lower fixing nuts on the outside of a plurality of anchor bolts, and adjust the heights of the plurality of lower fixing nuts to a height H of the same horizontal line parallel to the top surface of the bridge pier (1); S03: inserting a plurality of anchor bolts into the bolt group fixing plate (9), and placing the bolt group fixing plate (9) on the fixing nuts below; S04: Screw the outer part of the anchor bolt into the upper fixing nut, and clamp the bolt group fixing plate (9) to fix it; S05: Screw the lower nuts (4) into the outside of the anchor bolts of the plurality of cylinder seat embedded parts (3), and adjust the heights of the plurality of lower nuts (4) to a height H1 of the same horizontal line parallel to the top surface of the pier (1); S06: Screw lower nuts (4) into the outside of the anchor bolts of the plurality of bearing seat embedded parts (2), and adjust the heights of the plurality of lower nuts (4) to a height H2 of the same horizontal line parallel to the top surface of the pier (1); S07: inserting the anchor bolts on one side of the bearing seat embedded part (2) and the anchor bolts on one side of the oil cylinder seat embedded part (3) into the first mounting plate (5) and the second mounting plate (6) respectively, so that the first mounting plate (5) and the second mounting plate (6) are respectively placed on the lower nuts (4) on the same side thereof; S08: screwing upper nuts (7) onto the outside of a plurality of anchor bolts to clamp and fix the first mounting plate (5) and the second mounting plate (6) respectively; S09: The tops of the first mounting plate (5) and the second mounting plate (6) are fixedly connected to the embedded bracket (8).

5. The method for installing a vertical swing bridge installation device according to claim 3, characterized in that: The step S5 comprises: S001: After measuring with a total station and a level and adjusting the overall elevation accuracy of the embedded parts, the first concrete pouring is carried out; S002: After the first concrete pouring, measure the elevation and flatness of the embedded parts again; S003: fine-adjusting the lower nut (4) and the upper nut (7) according to the measured data so that the elevation and flatness of the first mounting plate (5) and the second mounting plate (6) reach preset values; S004: After the elevation accuracy is adjusted for the second time, the second concrete pouring is carried out to complete the embedding.

6. The method for installing a vertical swing bridge installation device according to claim 3, characterized in that: The following steps are also included: S0001: After the pre-embedded work is completed, the pre-embedded bracket (8) is removed; S0002: re-measure the elevation and flatness of the upper surfaces of the first mounting plate (5) and the second mounting plate (6), and record the data; S0003: Based on the retest data, prepare a stainless steel pad and perform pad processing on the first mounting plate (5) and the second mounting plate (6) to ensure that the mounting surface meets the design requirements; S0004: Install the bearing seat and cylinder seat on top of the stainless steel pad.

7. The method for installing a vertical swing bridge installation device according to claim 4, characterized in that: The height H2>height H1>height H.

8. The method for installing a vertical swing bridge installation device according to claim 5, characterized in that: The error values ​​between the central axis of the bearing seat and the oil cylinder seat and the central axis of the bridge pier (1) are maintained between -0.5 mm and 0.5 mm.

9. The method for installing a vertical swing bridge installation device according to claim 4, characterized in that: After the first mounting plate (5) and the second mounting plate (6) are connected to the embedded bracket (8), the deformation amount in the elevation direction is -1 mm to 1 mm.

10. The method for installing a vertical swing bridge installation device according to claim 4 or 9, characterized in that: The machining accuracy requirement for the mating surfaces of the embedded bracket (8) and the first mounting plate (5) and the second mounting plate (6) is not less than Ra3.2.

Images