A monorail box-type steel beam expansion joint structure

Abstract

The present invention provides a monorail box-shaped steel beam expansion joint structure, comprising an upper mounting seat (2), a lower mounting seat (3), a steel beam end interface assembly (4) and a locking assembly (5); the upper mounting seat (2) is mounted in the expansion joint and is used to connect the two ends of the monorail box-shaped steel beam; the lower mounting seat (3) is used to provide further support for the connection between the two ends of the monorail box-shaped steel beam; the steel beam end interface assembly (4) is used to limit the position of the upper mounting seat (2) and the lower mounting seat (3) relative to the box-shaped steel beam; the locking assembly (5) is used to compress and lock the upper mounting seat (2) and the lower mounting seat (3) during installation. The present invention achieves overall thickness adjustment by adopting a combination of a telescopic pad and a transition plate; the upper mounting seat (2) and the lower mounting seat (3) are limited and fixed by the steel beam end interface assembly (4); and quick assembly and disassembly are achieved by the locking assembly (5); the present invention has a simple structure and is easy to operate.

Description

Technical Field

[0001] The present invention relates to the technical field of tracks, in particular to a monorail box-type steel beam expansion joint structure. Background Art

[0002] Existing monorail box-type steel beams mainly use finger-shaped plates for transition, which are connected by screws and cannot be adjusted after installation. When the ambient temperature changes greatly, the steel beams may be stuck. Therefore, generally in areas with large temperature differences, a larger gap is required between the monorail box-type steel beams, which will eventually cause bumps and unevenness when the vehicle passes. Summary of the Invention

[0003] The object of the present invention is to provide a monorail box-type steel beam expansion joint structure with adjustable overall length.

[0004] To achieve the above-mentioned object, the present invention provides a monorail box-type steel beam expansion joint structure, comprising an upper mounting seat, a lower mounting seat and a steel beam end interface assembly;

[0005] The upper mounting seat is used for the transition of the expansion joint between the monorail box-section steel beams, and includes a first end seat, a first expansion pad, a first transition plate and a second end seat, wherein the first end seat and the second end seat are symmetrically arranged, and at least one set of first expansion pads and first transition plates arranged at intervals are further provided between the first end seat and the second end seat;

[0006] The lower mounting seat is arranged below the upper mounting seat, and is used for the transition of the expansion joint between the monorail box-section steel beams, and includes a third end seat, a second telescopic pad, a second transition plate and a fourth end seat, the third end seat and the fourth end seat are symmetrically arranged, and a second telescopic pad and a second transition plate are provided between the third end seat and the fourth end seat, and at least one group of the second telescopic pad is provided, and is respectively arranged between the third end seat and the second transition plate, and the second transition plate and the fourth end seat;

[0007] At least one set of the steel beam end interface components is provided, and is respectively arranged at both ends of the upper mounting seat and the lower mounting seat, and is used to limit the upper mounting seat and the lower mounting seat relative to the box-type steel beam.

[0008] Preferably, the upper mounting seat and the lower mounting seat are respectively provided with at least one set of support blocks, and the support blocks are respectively provided through the upper mounting seat and the lower mounting seat.

[0009] Preferably, a third telescopic pad is embedded in the support block.

[0010] Preferably, the first telescopic pad, the second telescopic pad and the third telescopic pad are all rubber pads.

[0011] Preferably, the steel beam end interface assembly is formed by welding plates, and includes a limiting end and a welding end, the welding end is connected to the end of the steel beam, and the limiting end is arranged above the welding end.

[0012] Preferably, four groups of the steel beam end interface components are provided, and are respectively connected to the ends of the steel beams by welding.

[0013] Preferably, it further comprises a stop block for limiting the upward displacement of the upper mounting seat, and there is at least one stop block, which is respectively arranged on the support block of the upper mounting seat.

[0014] As a further solution of the present invention: it also includes a locking assembly for locking the upper mounting seat and the lower mounting seat, and the locking assembly includes a first fixing member, a second fixing member, a screw and a nut, the first fixing member and the second fixing member are respectively installed on the screw, and the positions of the first fixing member and the second fixing member installed on the screw are limited by the nut. When the upper mounting seat or the lower mounting seat needs to be locked, the first fixing member and the second fixing member are respectively clamped at the two ends of the upper mounting seat or the lower mounting seat, and the upper mounting seat or the lower mounting seat is locked by adjusting the nut.

[0015] As a further solution of the present invention: a method for assembling and disassembling a monorail box-type steel beam expansion joint structure, the specific steps are as follows:

[0016] Step 1: Assemble the upper mounting seat and the lower mounting seat separately, and during the assembly process, select different numbers of first telescopic pads, first transition plates, second telescopic pads, and second transition plates according to the width of the expansion joint, so that the thickness of the assembled upper mounting seat and the lower mounting seat is greater than the mm of the expansion joint gap;

[0017] Step 2: Use a jack to compress the installed upper and lower mounting seats so that the thickness of the compressed upper and lower mounting seats is consistent with the width of the expansion joint, so that the upper and lower mounting seats can be installed into the expansion joint;

[0018] Step 3: Lock and fix the locking components to the upper mounting base and the lower mounting base respectively;

[0019] Step 4: Place the upper and lower mounting brackets together with the locking assembly into the expansion joint;

[0020] Step 5: Adjust the installation positions of the upper mounting seat and the lower mounting seat to reach the set position;

[0021] Step 6: Uninstall the locking assembly;

[0022] Step 7: Install the stop block and weld it to the steel beam to ensure that the upper surface of the upper mounting seat and the top surface of the steel beam are in the same plane;

[0023] Step 8: Weld the steel beam end interface assembly to the end of the steel beam so that both end surfaces of the upper mounting seat and the lower mounting seat are aligned with the end surfaces of the steel beam to limit and fix the upper mounting seat and the lower mounting seat, thus completing the assembly of the monorail box-type steel beam expansion joint structure;

[0024] Step 9: When the upper and lower mounting seats need to be uninstalled, install the locking assembly on the upper and lower mounting seats, compress the upper and lower mounting seats, then remove the lower mounting seat, cut and grind the weld at the stop block, and then remove the upper mounting seat to complete the unloading of the monorail box-type steel beam expansion joint structure.

[0025] The application of the technical solution of the present invention has the following beneficial effects:

[0026] (1) The present invention achieves adjustable overall thickness by adopting a combination of a telescopic pad and a transition plate.

[0027] (2) The present invention adopts a support block as a connection between the end seat, the telescopic pad and the transition plate, which has a simple structure and is easy to assemble. It can be serially arranged according to the different widths of the expansion joint and has a wide range of adaptability.

[0028] (3) In the present invention, by providing a telescopic pad inside the support block, a close fit between the support block and the end seat, the telescopic pad and the transition plate is effectively ensured.

[0029] (4) In the present invention, the end interface assembly of the steel beam is manufactured by welding, thereby effectively ensuring the rigidity of the end interface assembly of the steel beam.

[0030] (5) In the present invention, the steel beam end interface components are arranged into four groups to achieve the limiting fixation of the upper mounting seat and the lower mounting seat at both ends.

[0031] (6) In the present invention, a stop block is provided to fix and limit the installation position of the upper mounting seat relative to the monorail box-type steel beam.

[0032] (7) In the present invention, a locking assembly is provided to compress and lock the upper mounting seat and the lower mounting seat, so that the upper mounting seat and the lower mounting seat can be smoothly installed into the expansion joint or unloaded from the expansion joint.

[0033] (8) The present invention can be quickly installed and disassembled through the locking assembly, and maintenance is convenient and quick.

[0034] In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0036] Figure 1 This is an axonometric diagram of the present invention installed in an expansion joint of a box-type steel beam;

[0037] Figure 2 This is a schematic front view of the upper mounting seat and the stop block after being connected in the present invention;

[0038] Figure 3 In the present invention Figure 2 AA cross-sectional diagram;

[0039] Figure 4 is a top view schematic diagram of the connection between the first support block and the third telescopic pad in the present invention;

[0040] Figure 5 This is a schematic front view of the lower mounting base behind which the support block and the third telescopic pad are hidden in the present invention;

[0041] Figure 6 In the present invention Figure 3 BB cross-sectional diagram;

[0042] Figure 7 This is an axonometric diagram of the steel beam end interface assembly welded to the box-type steel beam in the present invention;

[0043] Figure 8 It is an axonometric diagram of the locking assembly of the present invention.

[0044] in:

[0045] 1: Steel beam,

[0046] 2: upper mounting seat, 2-1: first end seat, 2-2: first transition plate, 2-3: first telescopic pad, 2-4: first support block, 2-5: third telescopic pad, 2-6: stop block, 2-7: second end seat,

[0047] 3: lower mounting seat, 3-1: third end seat, 3-2: second transition plate, 3-3: second telescopic pad, 3-4: fourth end seat,

[0048] 4: Steel beam end interface assembly, 4-1: Limit end, 4-2: Welding end,

[0049] 5: Locking assembly, 5-1: Screw, 5-2: First fixing piece, 5-3: Second fixing piece, 5-4: Nut. DETAILED DESCRIPTION

[0050] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0051] In order to make the above-mentioned purposes, features and advantages of the present invention more clear and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are all simplified and non-precisely scaled, and are only used to conveniently and clearly assist in explaining the implementation of the present invention; the "numbers" mentioned in the present invention are not limited to the specific quantities in the examples in the accompanying drawings; the directions or positional relationships indicated by "front", "middle", "back", "left", "right", "up", "down", "top", "bottom", "middle", etc. mentioned in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor can they be understood as limitations on the present invention.

[0052] See also Figures 1 to 8 As shown, a monorail box-type steel beam expansion joint structure includes an upper mounting seat 2, a lower mounting seat 3, a steel beam end interface assembly 4 and a locking assembly 5. The upper mounting seat 2 and the lower mounting seat 3 are respectively installed in the expansion joint of the steel beam 1, and the upper surface of the upper mounting seat 2 is aligned with the surface of the steel beam 1; the steel beam end interface assembly 4 is provided with four groups, which are fixed to the steel beam by welding, and are respectively provided at the two ends of the upper mounting seat 2 and the lower mounting seat 3, so that the two ends of the upper mounting seat 2 and the lower mounting seat 3 are aligned with the two end surfaces of the steel beam 1; the locking assembly 5 is preferably provided with four groups, and is respectively provided on the upper mounting seat 2 and the lower mounting seat 3 to compress and lock the upper mounting seat 2 and the lower mounting seat 3.

[0053] The upper mounting seat 2 includes a first end seat 2-1, a first transition plate 2-2, a first telescopic pad 2-3 and a second end seat 2-7. The first end seat 2-1 and the second end seat 2-7 are symmetrically arranged. The first transition plate 2-2 and the first telescopic pad 2-3 are respectively provided with several pieces according to the width of the expansion joint, and are respectively arranged between the first end seat 2-1 and the second end seat 2-7, so that the overall width of the upper mounting seat 2 can be adjusted by the expansion and contraction amount of the first telescopic pad 2-3.

[0054] Preferably, in order to achieve a fixed connection between the first end seat 2-1, the first transition plate 2-2, the first telescopic pad 2-3 and the second end seat 2-7, the upper mounting seat 2 is also provided with a first support block 2-4 and a third telescopic pad 2-5 embedded in the first support block 2-4. The first support block 2-4 is arranged to pass through the first end seat 2-1, the first transition plate 2-2, the first telescopic pad 2-3 and the second end seat 2-7 to connect the first end seat 2-1, the first transition plate 2-2, the first telescopic pad 2-3 and the second end seat 2-7 to each other, and clamp and fix them through the telescopic amount of the third telescopic pad 2-5.

[0055] Preferably, in order to achieve a fixed connection between the upper mounting seat 2 and the steel beam 1, a stop block 2-6 is further provided on the upper mounting seat 2, the lower surface of the stop block 2-6 is installed on the first support block 2-4, and the side surface thereof is welded to the steel beam 1.

[0056] The lower mounting seat 3 includes a third end seat 3-1, a second transition plate 3-2, a second telescopic pad 3-3 and a fourth end seat 3-4. The third end seat 3-1 and the fourth end seat 3-4 are symmetrically arranged. The second transition plate 3-2 and the second telescopic pad 3-3 are respectively provided with several pieces according to the width of the expansion joint, and are respectively arranged between the third end seat 3-1 and the fourth end seat 3-4, so that the overall width of the lower mounting seat 3 can be adjusted through the expansion and contraction amount of the second telescopic pad 3-3.

[0057] Preferably, in order to achieve a fixed connection between the third end seat 3-1, the second transition plate 3-2, the second telescopic pad 3-3 and the fourth end seat 3-4, the lower mounting seat 3 is also provided with a first support block 2-4 and a third telescopic pad 2-5 embedded in the first support block 2-4. The first support block 2-4 is arranged to pass through the third end seat 3-1, the second transition plate 3-2, the second telescopic pad 3-3 and the fourth end seat 3-4 to connect the third end seat 3-1, the second transition plate 3-2, the second telescopic pad 3-3 and the fourth end seat 3-4 to each other, and clamp and fix them through the telescopic amount of the third telescopic pad 2-5.

[0058] The steel beam end interface assembly includes a limiting end 4-1 and a welding end 4-2. The welding end 4-2 is used for welding with the steel beam 1. The limiting end 4-1 is arranged above the welding end 4-2, and its inner surface is aligned with the end face of the steel beam 1 so that the end faces of the upper mounting seat 2 and the lower mounting seat 3 remain aligned with the end face of the steel beam 1.

[0059] The locking assembly 5 includes a screw 5-1, a first fixing member 5-2, a second fixing member 5-3 and a nut 5-4. The first fixing member 5-2 is fixedly mounted on the screw 5-1, and the second fixing member 5-3 is movably mounted on the screw 5-1. The second fixing member 5-3 is limited by the nut 5-4. When the upper mounting seat 2 needs to be locked, the first fixing member 5-2 and the second fixing member 5-3 are placed on the outer side surfaces of the first end seat 2-1 and the second end seat 2-7 respectively, and then the second fixing member 5-3 is locked by the nut 5-4 to fix the locking assembly 5 to the upper mounting seat 2; when the lower mounting seat 3 needs to be locked, the first fixing member 5-2 and the second fixing member 5-3 are placed on the outer side surfaces of the third end seat 3-1 and the fourth end seat 3-4 respectively, and then the second fixing member 5-3 is locked by the nut 5-4 to fix the locking assembly 5 to the lower mounting seat 3.

[0060] The specific steps of the expansion joint structure assembly and disassembly method using this embodiment are as follows:

[0061] Step 1: Assemble the upper mounting seat 2 and the lower mounting seat 3 separately. During the assembly process, select different numbers of first expansion pads 2-3, first transition plates 2-2, second expansion pads 3-3, and second transition plates 3-2 according to the width of the expansion joint, so that the thickness of the assembled upper mounting seat 2 and the lower mounting seat 3 is greater than the gap of the expansion joint by 10-20 mm;

[0062] Step 2: Use a jack to compress the installed upper mounting seat 2 and lower mounting seat 3 so that the thickness of the compressed upper mounting seat 2 and lower mounting seat 3 is consistent with the width of the expansion joint, so as to install the upper mounting seat 2 and lower mounting seat 3 into the expansion joint;

[0063] Step 3: Lock and fix the locking assembly 5 to the upper mounting base 2 and the lower mounting base 3 respectively;

[0064] Step 4: Place the upper mounting base 2 and the lower mounting base 3 together with the locking assembly 5 into the expansion joint;

[0065] Step 5: Adjust the installation positions of the upper mounting seat 2 and the lower mounting seat 3 to reach the set positions;

[0066] Step 6: Uninstall the locking assembly 5;

[0067] Step 7: Install the stop block 2-6 and weld the stop block 2-6 to the steel beam 1 to ensure that the upper surface of the upper mounting seat 2 and the top surface of the steel beam 1 are in the same plane;

[0068] Step 8: Weld the steel beam end interface assembly 4 to the end of the steel beam 1 so that both end surfaces of the upper mounting seat 2 and the lower mounting seat 3 are aligned with the end surfaces of the steel beam 1 to limit and fix the upper mounting seat 2 and the lower mounting seat 3, thereby completing the assembly of the monorail box-type steel beam expansion joint structure;

[0069] Step nine: When the upper mounting seat 2 and the lower mounting seat 3 need to be uninstalled, install the locking assembly 5 onto the upper mounting seat 2 and the lower mounting seat 3, compress the upper mounting seat 2 and the lower mounting seat 3, then remove the lower mounting seat 3, cut and grind the welds at the stop blocks 2-6, and then remove the upper mounting seat 2 to complete the unloading of the monorail box-type steel beam expansion joint structure.

[0070] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A monorail box-type steel beam expansion joint structure, characterized by: It comprises an upper mounting seat (2), a lower mounting seat (3), a steel beam end interface assembly (4), and a locking assembly (5) for locking the upper mounting seat (2) and the lower mounting seat (3); The upper mounting seat (2) is used for transition of expansion joints between monorail box-shaped steel beams, and comprises a first end seat (2-1), a first expansion pad (2-3), a first transition plate (2-2) and a second end seat (2-7); the first end seat (2-1) and the second end seat (2-7) are symmetrically arranged, and at least one set of first expansion pads (2-3) and first transition plates (2-2) arranged at intervals are further provided between the first end seat (2-1) and the second end seat (2-7); The lower mounting seat (3) is arranged below the upper mounting seat (2) and is used for transition of the expansion joint between the monorail box-shaped steel beams, and comprises a third end seat (3-1), a second expansion pad (3-3), a second transition plate (3-2) and a fourth end seat (3-4), wherein the third end seat (3-1) and the fourth end seat (3-4) are symmetrically arranged, and at least one set of the second expansion pad (3-3) and the second transition plate (3-2) are arranged at intervals between the third end seat (3-1) and the fourth end seat (3-4); At least one set of the steel beam end interface components (4) is provided and is respectively provided at both ends of the upper mounting seat (2) and the lower mounting seat (3), and is used to limit the upper mounting seat (2) and the lower mounting seat (3) relative to the box-shaped steel beam; the steel beam end interface components (4) are formed by welding plates, and include a limiting end (4-1) and a welding end (4-2), the welding end (4-2) is connected to the end of the steel beam (1), and the limiting end (4-1) is provided above the welding end (4-2); The upper mounting seat (2) and the lower mounting seat (3) are each provided with at least one set of support blocks, and the support blocks are respectively provided through the upper mounting seat (2) and the lower mounting seat (3); The locking assembly (5) comprises a first fixing member (5-2), a second fixing member (5-3), a screw rod (5-1) and a nut (5-4); the first fixing member (5-2) and the second fixing member (5-3) are respectively mounted on the screw rod (5-1); and the positions of the first fixing member (5-2) and the second fixing member (5-3) mounted on the screw rod (5-1) are limited by the nut (5-4); when the upper mounting seat (2) or the lower mounting seat (3) needs to be locked, the first fixing member (5-2) and the second fixing member (5-3) are respectively clamped on the two ends of the upper mounting seat (2) or the lower mounting seat (3), and the upper mounting seat (2) or the lower mounting seat (3) is locked by adjusting the nut (5-4).

2. The monorail box-type steel beam expansion joint structure according to claim 1, characterized in that: A third telescopic pad (2-5) is embedded in the support block.

3. The monorail box-type steel beam expansion joint structure according to claim 2, characterized in that: The first telescopic pad (2-3), the second telescopic pad (3-3) and the third telescopic pad (2-5) are all rubber pads.

4. The monorail box-type steel beam expansion joint structure according to claim 1, characterized in that: Four groups of the steel beam end interface components (4) are provided, and are respectively connected to the ends of the steel beam (1) in a welding manner.

5. The monorail box-type steel beam expansion joint structure according to any one of claims 1 to 4, characterized in that: It also includes a stop block (2-6) for limiting the upward displacement of the upper mounting seat (2), wherein at least one stop block (2-6) is provided and each stop block is respectively provided on a support block of the upper mounting seat (2).

6. A method for assembling and disassembling a monorail box-type steel beam expansion joint structure, characterized in that: The specific steps of loading and unloading using the monorail box-type steel beam expansion joint structure as described in claim 5 are as follows: Step 1: Assemble the upper mounting seat (2) and the lower mounting seat (3) separately, and during the assembly process, select different numbers of first telescopic pads (2-3), first transition plates (2-2), second telescopic pads (3-3) and second transition plates (3-2) according to the width of the expansion joint, so that the thickness of the assembled upper mounting seat (2) and the lower mounting seat (3) is greater than 10-20 mm of the expansion joint gap; Step 2: Using a jack to compress the installed upper mounting seat (2) and the lower mounting seat (3), so that the thickness of the compressed upper mounting seat (2) and the lower mounting seat (3) is consistent with the width of the expansion joint, so that the upper mounting seat (2) and the lower mounting seat (3) can be installed in the expansion joint; Step 3: Lock and fix the locking assembly (5) to the upper mounting seat (2) and the lower mounting seat (3) respectively; Step 4: Place the upper mounting seat (2) and the lower mounting seat (3) together with the locking assembly (5) in the expansion joint; Step 5: Adjust the installation positions of the upper mounting seat (2) and the lower mounting seat (3) to reach the set positions; Step 6: Uninstall the locking assembly (5); Step 7: Install the stop block (2-6) and weld the stop block (2-6) to the steel beam (1) to ensure that the upper surface of the upper mounting seat (2) and the top surface of the steel beam (1) are in the same plane; Step 8: Weld the steel beam end interface assembly (4) to the end of the steel beam (1) so that both end surfaces of the upper mounting seat (2) and the lower mounting seat (3) are aligned with the end surfaces of the steel beam (1) to limit and fix the upper mounting seat (2) and the lower mounting seat (3) to complete the assembly of the monorail box-type steel beam expansion joint structure; Step nine: When the upper mounting seat (2) and the lower mounting seat (3) need to be unloaded, the locking assembly (5) is installed on the upper mounting seat (2) and the lower mounting seat (3), and the upper mounting seat (2) and the lower mounting seat (3) are compressed, and then the lower mounting seat (3) is removed, and the weld seam at the stop block (2-6) is cut and polished, and then the upper mounting seat (2) is removed to complete the unloading of the monorail box-type steel beam expansion joint structure.

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