Bridge deck pavement truss structure
By designing the bridge deck paving truss structure, the slidingly connected truss body is used to achieve full-frame casting, which solves the problem of bridge deck cracking caused by human factors in traditional construction, and improves construction quality and efficiency.
Patent Information
- Application Number
- CN202420877954.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-24
AI Technical Summary
Traditional bridge deck paving construction is subject to great human factors, resulting in improper handling of construction longitudinal joints and longitudinal joints, causing cracks in the bridge deck.
A bridge deck paving truss structure is designed, including a first track, a second track and a truss body. The truss body is slidably connected to the track through the first pulley and the second pulley to realize full casting of the bridge deck and eliminate construction longitudinal joints.
Full-frame pouring of the bridge deck has been achieved, the construction longitudinal joints have been eliminated, the influence of human factors has been reduced, and the quality and efficiency of bridge deck paving construction have been improved.
Smart Images
Figure CN222499990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bridge construction, in particular to a bridge deck pavement truss structure. Background Art
[0002] The traditional process is to cast the entire bridge deck in sections; after half of the paving reaches a certain strength, the remaining half of the bridge deck is cast with concrete.
[0003] The inventors have found through research that the use of traditional construction technology is greatly affected by human factors; improper construction of longitudinal joints and improper handling of longitudinal joint positions lead to cracks in the bridge deck. Utility Model Content
[0004] The utility model aims to provide a bridge deck pavement truss structure, which can realize full-width pouring of the bridge deck and effectively eliminate the longitudinal joints in the bridge deck pavement construction.
[0005] The embodiment of the utility model is achieved as follows:
[0006] The present embodiment provides a bridge deck paving truss structure, comprising a first track, a second track and a truss body, wherein the first track is used to be set on the left elevation belt of the bridge deck and is set along the setting direction of the left elevation belt; the second track is used to be set on the right elevation belt of the bridge deck and is set along the setting direction of the right elevation belt; the truss body is used to cast the bridge deck from the left elevation belt to the right elevation belt, and the truss body is provided with a first pulley and a second pulley, the first pulley is slidably connected to the first track, and the second pulley is slidably connected to the second track. Optionally, the truss body comprises a first truss, a second truss and a fixing pin, the first truss and the second truss are connected by mortise and tenon joints, and the fixing pin transversely penetrates the connecting ends of the first truss and the second truss and fixes the first truss and the second truss.
[0007] Optionally, a third truss is provided between the first truss and the second truss;
[0008] One end of the third truss is connected to the first truss by mortise and tenon joints, and the other end of the third truss is connected to the second truss by mortise and tenon joints.
[0009] Optionally, the first truss comprises a plurality of first square steels and second square steels, and the length of the first square steel is greater than the length of the second square steel;
[0010] A plurality of the first square steels and the second square steels are staggered and connected in sequence to form a first groove for mortise and tenon connection of the third truss.
[0011] Optionally, the structure of the first truss is consistent with the structure of the second truss.
[0012] Optionally, the third truss includes a plurality of third party steels and fourth party steels, and the length of the third party steel is shorter than the length of the fourth party steel;
[0013] The plurality of third party steels and the fourth party steels are staggered and connected in sequence, and second grooves are formed at both ends for mortise and tenon connection with the first truss or the second truss.
[0014] Optionally, the fixing pin passes through the first square steel and the third square steel which are mutually mortise and tenon-jointed in sequence to fix the first truss and the third truss and fix the second truss and the third truss.
[0015] Optionally, two first pulleys are disposed at the bottom of the first truss, and two second pulleys are disposed at the bottom of the second truss.
[0016] Optionally, a plurality of channel steels are fixed to the bottom of the truss body, and the plurality of channel steels are in a cross shape.
[0017] Optionally, a fence is fixed to the top of the truss body along the edge of the truss body.
[0018] The beneficial effects of the embodiments of the utility model are:
[0019] The bridge deck paving truss structure is provided with a first track on the left elevation belt and a second track on the right elevation belt, so that the truss body can span the bridge deck and slide along the bridge deck through the first pulley and the second pulley; when the bridge deck is fully poured, the truss body can be used for the operator to stand steadily for construction, and the first track and the second track can be used for the truss body to be pushed along the pouring trough of the bridge deck to realize the full-width pouring of the bridge deck, effectively eliminate the longitudinal joints of the bridge deck paving construction, reduce the influence of human factors, and at the same time improve the quality and efficiency of the bridge deck paving construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 This is a schematic diagram of the structure of the bridge deck of an embodiment of the utility model;
[0022] Figure 2 This is a structural schematic diagram of a bridge deck pavement truss structure arranged on a bridge deck according to an embodiment of the utility model;
[0023] Figure 3This is a schematic diagram of the structure of the first track of an embodiment of the utility model;
[0024] Figure 4 It is a cross-sectional view of the first track of the embodiment of the utility model;
[0025] Figure 5 It is a side view of the truss body of the embodiment of the utility model;
[0026] Figure 6 This is a first structural schematic diagram of the truss body of an embodiment of the utility model;
[0027] Figure 7 This is a second structural schematic diagram of the truss body of an embodiment of the utility model;
[0028] Figure 8 This is a schematic diagram of the structure of the first truss of an embodiment of the utility model;
[0029] Fig. 9 This is a schematic diagram of the structure of the first square steel of the embodiment of the utility model;
[0030] Fig.10 This is a schematic structural diagram of the bottom of the truss body of an embodiment of the utility model;
[0031] Fig.11 This is a schematic diagram of the structure of the channel steel of the utility model embodiment;
[0032] Fig.12 This is a schematic diagram of a bridge deck pavement truss structure under construction in accordance with an embodiment of the utility model;
[0033] Fig.13 It is a schematic diagram of the bridge deck pavement truss structure after the bridge deck construction is completed according to the embodiment of the utility model.
[0034] Icons: 010-bridge deck; 011-left elevation strip; 012-right elevation strip; 013-guardrail; 014-casting trough; 100-bridge deck paving truss structure; 110-first track; 120-second track; 130-truss body; 131-first truss; 1311-first square steel; 1312-second square steel; 132-second truss; 133-third truss; 134-fixing pin; 135-channel steel; 136-fence; 140-first pulley; 150-second pulley; 160-pipeline. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.
[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0038] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0039] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0040] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0041] Please refer to Figure 1-Figure 2 This embodiment provides a bridge deck pavement truss structure 100 for full-width casting of a bridge deck 010 .
[0042] In this embodiment, please refer to Figure 1 Before the bridge deck 010 is paved, two parallel left elevation belts 011 and right elevation belts 012 are first cast on both sides of the guardrail 013 of the bridge deck 010 along the paving construction direction, which are used to raise the bridge deck 010 when the full width is cast later. At the same time, a casting trough 014 for full width casting is formed between the left elevation belt 011 and the right elevation belt 012.
[0043] It can be understood that by casting the full width of the elevation strips on both sides of the guardrail 013, the overall height and protective layer of the bridge deck 010 pavement are guaranteed, so that the integrity of the bridge deck 010 concrete is better.
[0044] Please refer to Figure 2 The present embodiment provides a bridge deck paving truss structure 100, comprising a first track 110, a second track 120 and a truss body 130, wherein the first track 110 is used to be set on a left elevation belt 011 of the bridge deck 010 and is set along the setting direction of the left elevation belt 011; the second track 120 is used to be set on a right elevation belt 012 of the bridge deck 010 and is set along the setting direction of the right elevation belt 012; the truss body 130 is used to cast the bridge deck 010 from the left elevation belt 011 to the right elevation belt 012, and a first pulley 140 and a second pulley 150 are provided on the truss body 130, the first pulley 140 is slidably connected to the first track 110, and the second pulley 150 is slidably connected to the second track 120.
[0045] It can be understood that by setting the first track 110 on the left elevation belt 011 and the second track 120 on the right elevation belt 012, the truss body 130 can span the bridge deck 010 and slide along the bridge deck 010 through the first pulley 140 and the second pulley 150; when the bridge deck 010 is fully cast, the truss body 130 can be used for the operator to stand steadily for construction, and the first track 110 and the second track 120 can be used for the truss body 130 to be pushed along the casting trough 014 of the bridge deck 010 to achieve full-width casting of the bridge deck 010, effectively eliminating the longitudinal joints of the bridge deck 010 paving construction, reducing the impact of human factors, and at the same time improving the quality and efficiency of the bridge deck 010 paving construction.
[0046] In this embodiment, the bridge deck pavement truss structure 100 includes a first track 110 ; the first track 110 may be a first channel steel, which is disposed on the left elevation band 011 of the bridge deck 010 and along the setting direction of the left elevation band 011 .
[0047] Please refer to Figure 3-Figure 4 The cross section of the first channel steel is an inverted "C"-shaped structure, and the length of the first channel steel is 6m and the width is 12cm. Of course, the first channel steel can be welded or selected according to the required length of the on-site construction.
[0048] In this embodiment, the bridge deck pavement truss structure 100 includes a second track 120 ; the second track 120 may be a second channel steel, and the second channel steel is arranged on the right elevation band 012 of the bridge deck 010 and along the setting direction of the right elevation band 012 .
[0049] The second channel steel is consistent with the first channel steel; the cross section of the second channel steel is an inverted "C" structure, and the length of the first channel steel is 6m and the width is 12cm. Of course, the second channel steel can be welded or selected according to the required length of the on-site construction.
[0050] Please refer to Figure 5 In this embodiment, the bridge deck pavement truss structure 100 includes a truss body 130 ; wherein the truss body 130 spans across the casting trough 014 of the bridge deck 010 .
[0051] Optionally, see Figure 5-Figure 7 The truss body 130 includes a first truss 131 , a second truss 132 , a third truss 133 and a fixing pin 134 .
[0052] For details, please refer to Figure 8 The first truss 131 includes a plurality of first square steels 1311 and a plurality of second square steels 1312, which are alternately arranged and welded in sequence, and one end of the plurality of first square steels 1311 is flush with one end of the plurality of second square steels 1312; at the same time, the length of the first square steel 1311 is greater than the length of the second square steel 1312, so that the two adjacent first square steels 1311 and the shorter second square steel 1312 form a first groove, and the first groove is used for the protruding third steel of the third truss 133 to be mortise and tenon-jointed.
[0053] Also, please refer to Figure 6 , first reinforcement holes are opened on the multiple first square steels 1311, and the first reinforcement holes are used for the fixing pins 134 to pass through; the first reinforcement holes on the multiple first square steels 1311 on the first truss 131 are axially arranged.
[0054] Specifically, the structure of the second truss 132 is consistent with the structure of the first truss 131 .
[0055] For details, please refer to Figure 7The third truss 133 includes multiple third party steels and multiple fourth party steels, which are alternately arranged in sequence and welded together; and the midpoints of the multiple third party steels and the midpoints of the multiple fourth party steels are arranged opposite to each other. Since the length of the third party steel is less than that of the fourth party steel, second grooves are formed between adjacent fourth party steels and the shorter third party steels at both ends of the third truss 133, and the second grooves are used for mortise and tenon connection with the first truss 131 or the second truss 132.
[0056] Also, please refer to Figure 6 Second reinforcement holes are opened at both ends of the multiple fourth square steels, and the second reinforcement holes are used to allow the fixing pins 134 to pass through; the second reinforcement holes at both ends of the multiple fourth square steels on the third truss 133 are axially arranged.
[0057] In this embodiment, the first square steel 1311, the second square steel 1312, the third square steel and the fourth square steel are all cut from square steel materials with a width and height of 12cm*12cm and a wall thickness of 5mm; please refer to Fig. 9 , Fig. 9 It is a schematic diagram of the structure of the first square steel 1311.
[0058] For details, please refer to Figure 6 The fixing pins 134 include two, and the length of the fixing pins 134 is 1.32m and the diameter is 8cm. After the first groove of the first truss 131 is connected with the fourth square steel at one end of the third truss 133 by mortise and tenon joints, the fixing pins 134 are inserted into the first fixing hole and the second fixing hole in sequence to fix the first truss 131 and the third truss 133. Of course, the second truss 132 and the third truss 133 are also fixed using the same fixing method.
[0059] In other embodiments, the truss body 130 may also only include a first truss 131, a second truss 132 and a fixing pin 134; the first truss 131 and the second truss 132 are connected by mortise and tenon joints, and the fixing pin 134 transversely penetrates the connecting ends of the first truss 131 and the second truss 132 and fixes the first truss 131 and the second truss 132.
[0060] Optionally, see Figure 10-11 A plurality of channel steels 135 are fixed at the bottom of the truss body 130 . The plurality of channel steels 135 are arranged in a cross shape and further reinforce the truss body 130 .
[0061] Optionally, see Figure 5 A fence 136 is fixed at the top of the truss body 130 along the edge of the truss body 130; when the operator stands steadily on the truss body 130 to perform construction, the fence 136 can prevent the operator from falling and causing accidents and casualties.
[0062] In this embodiment, please refer to Figure 5 Two first pulleys 140 are disposed at the bottom of the first truss 131 , and two second pulleys 150 are disposed at the bottom of the second truss 132 .
[0063] The construction process of the bridge deck pavement truss structure 100 in this embodiment includes:
[0064] S1: Fabrication and tying of bridge deck 010 steel bars into place.
[0065] S2: Measure the elevation strips on both sides of the bridge deck 010 and the guardrail 013. Controlling the elevation is the primary task of the project. Before paving the bridge deck 010, cast the left elevation strip 011 and the right elevation strip 012 on both sides of the guardrail 013.
[0066] S3: After the elevation belt is poured, the steel truss is installed. The truss body 130 is hoisted in sections by a crane or a tower crane and assembled on the bridge deck 010.
[0067] S4: After installing the truss body 130 and the first rail 110 and the second rail 120 and completing the trial, return to the starting point of the bridge deck 010.
[0068] S5: The truss body 130 spans the bridge deck 010 and allows the operator to stand steadily for construction. The first track 110 and the second track 120 installed on both sides of the truss body 130 can be used to advance the truss body 130; the pipe 160 is used to pump concrete to cast the entire bridge deck 010. After the casting is completed, it is maintained in time according to the weather. Figure 12-13 ,in, Fig.12 FIG. 1 is a side view of a bridge deck paving truss structure 100 being constructed on a bridge deck 010 along the direction of the arrow in the figure; Fig.13 The diagram in the middle is a schematic diagram showing that the bridge deck pavement truss structure 100 has been completed on the bridge deck 010.
[0069] S6: dismantle the truss body 130, the first rail 110 and the second rail 120 and move to the next work site.
[0070] S7: Repeat the above operation and proceed to the next cycle.
[0071] In summary, the bridge deck paving truss structure 100 is provided with a first track 110 on the left elevation belt 011 and a second track 120 on the right elevation belt 012, so that the truss body 130 can span the bridge deck 010 and can slide along the bridge deck 010 through the first pulley 140 and the second pulley 150; when the bridge deck 010 is fully cast, the truss body 130 can be used for the operator to stand steadily for construction, and the first track 110 and the second track 120 can be used for the truss body 130 to be pushed along the casting trough 014 of the bridge deck 010 to achieve full-width casting of the bridge deck 010, effectively eliminating the longitudinal joints of the bridge deck 010 paving construction, reducing the influence of human factors, and at the same time improving the quality and efficiency of the bridge deck 010 paving construction.
[0072] Furthermore, the truss body 130 adopts a steel truss, which saves construction time, reduces the workload of workers, and speeds up the construction progress; at the same time, it reduces the use of labor and saves construction costs.
[0073] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A bridge deck pavement truss structure, characterized in that: include: A first track, the first track is used to be arranged on a left elevation belt of the bridge deck and arranged along the setting direction of the left elevation belt; A second track, the second track is used to be arranged on the right elevation belt of the bridge deck and arranged along the setting direction of the right elevation belt; A truss body, wherein the truss body is used to cast the bridge deck from the left elevation belt to the right elevation belt, and a first pulley and a second pulley are provided on the truss body, wherein the first pulley is slidably connected to the first track, and the second pulley is slidably connected to the second track.
2. The bridge deck pavement truss structure according to claim 1, characterized in that: The truss body includes a first truss, a second truss and a fixing pin. The first truss and the second truss are connected by mortise and tenon joints. The fixing pin transversely penetrates the connecting ends of the first truss and the second truss and fixes the first truss and the second truss.
3. The bridge deck pavement truss structure according to claim 2, characterized in that: A third truss is arranged between the first truss and the second truss; One end of the third truss is connected to the first truss by mortise and tenon joints, and the other end of the third truss is connected to the second truss by mortise and tenon joints.
4. The bridge deck pavement truss structure according to claim 3, characterized in that: The first truss comprises a plurality of first square steels and second square steels, wherein the length of the first square steels is greater than the length of the second square steels; A plurality of the first square steels and the second square steels are staggered and connected in sequence to form a first groove for mortise and tenon connection of the third truss.
5. The bridge deck pavement truss structure according to claim 4, characterized in that: The structure of the first truss is consistent with the structure of the second truss.
6. The bridge deck pavement truss structure according to claim 4, characterized in that: The third truss includes a plurality of third party steels and fourth party steels, wherein the length of the third party steels is shorter than the length of the fourth party steels; The plurality of third party steels and the fourth party steels are staggered and connected in sequence, and second grooves are formed at both ends for mortise and tenon connection with the first truss or the second truss.
7. The bridge deck pavement truss structure according to claim 6, characterized in that: The fixing pin passes through the first square steel and the third square steel which are mutually mortise and tenon-jointed in sequence to fix the first truss and the third truss and fix the second truss and the third truss.
8. The bridge deck pavement truss structure according to claim 2, characterized in that: Two first pulleys are disposed at the bottom of the first truss, and two second pulleys are disposed at the bottom of the second truss.
9. The bridge deck pavement truss structure according to claim 1, characterized in that: A plurality of channel steels are fixed to the bottom of the truss body, and the plurality of channel steels are in a cross shape.
10. The bridge deck pavement truss structure according to claim 1, characterized in that: A fence is fixed to the top of the truss body along the edge of the truss body.