CN114837062A - Steel trestle connecting platform - Google Patents
Steel trestle connecting platform Download PDFInfo
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- CN114837062A CN114837062A CN202210631475.5A CN202210631475A CN114837062A CN 114837062 A CN114837062 A CN 114837062A CN 202210631475 A CN202210631475 A CN 202210631475A CN 114837062 A CN114837062 A CN 114837062A
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- trestle
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
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Abstract
The invention discloses a steel trestle connecting platform, which belongs to the field of steel trestles and comprises a rock foundation and a bearing platform, wherein the bearing platform is fixedly embedded on the rock foundation, a mounting plate is fixedly installed on the bearing platform, a vertical plate is vertically and fixedly installed on the mounting plate, a trestle body is borne on the right side of the upper surface of the mounting plate, a flexible connecting structure is arranged on the vertical plate, the vertical plate is connected with the trestle body through the flexible connecting structure, a triangular plate is connected with the joint of the mounting plate and the vertical plate, a ramming soil layer is filled on the right side of the vertical plate, a road surface plate is installed on the upper portion of the ramming soil layer, a plurality of guide columns which are distributed at equal intervals are slidably inserted on the vertical plate, and a transition plate is fixedly installed at the upper ends of the guide columns. The trestle bridge has the advantages that the vertical plates are connected through the flexible connecting structure, the flexible supporting effect is realized when the trestle bridge body deforms, the protection on the joint is realized by matching with the transition plate, and vehicles can pass through the trestle bridge conveniently.
Description
Technical Field
The invention relates to the field of steel trestles, in particular to a steel trestle connection platform.
Background
At present, in the construction of highway bridges, river crossing or canyon crossing is common, and in order to solve the transportation problems of construction materials, machinery, personnel and the like, a steel trestle is used as a transportation channel thereof and is commonly used, particularly in bedrock exposed sections; the conventional gravity type abutment is adopted in most of existing steel trestle abutments, the excavation depth is large, the construction difficulty is large, damage to the environment is easy to achieve to a certain degree, the stability of the steel trestle is poor, the anti-sliding effect is poor, and the use has limitation.
Among the prior art, patent publication number CN 212641181U's patent discloses a steel trestle anti-skidding abutment, including rock foundation, abutment back backfill soil layer, steel trestle, first fastening bolt and second fixing bolt backup pad platform, the top of rock foundation is pour and is provided with the abutment structure, and the left side of abutment structure is provided with abutment back backfill soil layer to the top on abutment back backfill soil layer is provided with the abutment attachment strap, abutment attachment strap below is provided with the gag lever post, install the backup pad platform between the bottom of steel trestle and the rock foundation, and the inboard fixed mounting of backup pad platform has the vertical pole. The anti-sliding bridge abutment of the steel trestle is anchored with a rock foundation through the V-shaped bottom surface and the anchoring steel bars.
Above-mentioned technical scheme has solved the problem that proposes in the above-mentioned background art to a certain extent, but it is in actual operation, because the steel landing stage body receives rolling of vehicle can take place deformation, and then can produce the pulling force on the upper portion of junction, and then the junction is easy fracture after long-time the use, and then influences the normal current of vehicle, consequently needs a steel landing stage who solves above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems in the background technology and designs a steel trestle connecting platform.
The technical scheme includes that the steel trestle connecting platform comprises a rock foundation and a bearing platform, the bearing platform is fixedly embedded on the rock foundation, a mounting plate is fixedly mounted on the bearing platform, a vertical plate is vertically and fixedly mounted on the mounting plate, a trestle body is borne on the right side of the upper surface of the mounting plate, a flexible connecting structure is arranged on the vertical plate, the vertical plate is connected with the trestle body through the flexible connecting structure, a triangular plate is connected with the joint of the mounting plate and the vertical plate, a ramming layer is filled on the right side of the vertical plate, a road deck is mounted on the upper portion of the ramming layer, a plurality of guide columns which are distributed at equal intervals are slidably inserted on the vertical plate, and a transition plate is fixedly mounted at the upper ends of the guide columns.
Furthermore, flexible connection structure includes connecting screw, and is a plurality of connecting screw is vertical distribution horizontal cartridge respectively on vertical board and landing stage body, the cover is equipped with the block rubber on the connecting screw, the block rubber right-hand member is fixed with the steel ring, be connected with the spring on the steel ring, spring one end is connected the other end with the steel ring and is connected with the connecting screw right-hand member.
Furthermore, an accommodating groove is formed in the vertical plate and corresponds to the connecting screw in position, and the cap end at the left end of the connecting screw falls into the accommodating groove.
Further, vertical ribs are arranged on the mounting plate, and the vertical ribs are welded on the lower surface of the mounting plate, poured on the bearing platform and extend into a rock foundation below the bearing platform through the bearing platform.
Furthermore, the left end of the trestle body is of a plate-shaped structure, the right end of the connecting screw penetrates through the plate-shaped structure, and the left end of the rubber block is in contact with the right surface of the plate-shaped structure.
The triangular plate is further replaced by a triangular plate structure, the triangular plate structure comprises a mounting plate, a vertical plate and a stabilizing and reinforcing mechanism, the mounting plate is mounted inside the foundation, the vertical plate is vertically mounted on the top end face of the mounting plate, a triangular plate body is mounted on the top end face of the mounting plate, one side face of the triangular plate body is connected with one side face of the vertical plate, a supporting plate is mounted on the other side of the triangular plate body, and the stabilizing and reinforcing mechanism is mounted in the triangular plate body;
the stable reinforcing mechanism comprises a limiting cylinder, a spring, a sliding rod and a connecting rod, wherein the limiting cylinder is installed on one side of the supporting plate, the spring is connected inside the limiting cylinder, one end of the spring is connected with the sliding rod, one side of the sliding rod is connected with one side surface of the triangular plate body, the connecting rod is installed at the top of the sliding rod, a push rod is installed at one end of the connecting rod, a limiting frame is installed on one side surface of the supporting plate, a press support is rotatably installed inside the limiting frame, and one end of the push rod is connected with the press support; the top of the foundation is provided with a rammed soil layer, the top of the rammed soil layer is provided with a road deck, and the triangular plate body is positioned in the rammed soil layer; : the plummer is installed to the bottom face of mounting panel, run through in the plummer and install vertical muscle, the plummer all is located the ground with vertical muscle.
Furthermore, a plurality of connecting screw rods are horizontally and threadedly mounted on the vertical plate, and are uniformly distributed on the vertical plate; the inside of backup pad has seted up the spout, push rod slidable mounting is in the spout.
Furthermore, the one end that the pressure propped is connected with the corresponding side of set square body, the mounting groove has been seted up to one side of vertical board, the pressure props and is located the mounting groove.
Has the advantages that:
the invention provides a steel trestle connecting platform which has the following beneficial effects that through the structural design, a vertical plate is connected through a flexible connecting structure, a flexible supporting effect is achieved when a trestle body deforms, the protection of a seam is achieved by matching with a transition plate, vehicles can pass through the platform conveniently, the flexible connection can achieve a certain resetting effect on the trestle body, and the seam of the joint can be reduced when heavy-load vehicles do not pass through the platform;
the trestle body is directly contacted with the mounting plate instead of the bearing table through the mounting plate, so that the bearing table is prevented from being damaged due to extrusion of the trestle body on the bearing table of a concrete structure;
the connection strength between the vertical plate and the mounting plate is increased through the triangular plate, the combination with the ramming layer is realized, and then the strength of the connection platform is increased.
In the optimized triangular plate structure, the vertical plate can be stabilized through the triangular plate body and the supporting plate, so that the connection strength between the vertical plate and the mounting plate is increased, and the steel trestle is prevented from being structurally broken due to outward deviation of the vertical plate when the steel trestle is used; in the triangle plate structure, through the stable strengthening mechanism who sets up, because gravity will vertical board to one side skew when the steel trestle uses, further support the set-square body under the effect that the pressure propped this moment to further increased the stability of vertical board, increased the life of steel trestle and increased the security.
Drawings
FIG. 1 is a schematic structural diagram of a steel trestle connecting platform according to the present invention;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1 according to the present invention.
FIG. 3 is a schematic perspective view of a triangular plate structure;
FIG. 4 is a left side view structural diagram of the joint between the mounting plate and the bearing table in the triangular plate structure;
FIG. 5 is a schematic view of an explosion structure at the junction of a supporting plate and a triangle body in a triangle structure;
fig. 6 is an explosion structure diagram of the connection between the limiting cylinder and the sliding rod in the triangular plate structure.
In the figure, 1, a rock foundation; 2. a bearing table; 3. mounting a plate; 4. a vertical plate; 5. a trestle body; 6. a set square; 7. tamping a soil layer; 8. a road surface plate; 9. a guide post; 10. a transition plate; 11. connecting a screw rod; 12. a rubber block; 13. a steel ring; 14. a spring; 15. accommodating grooves; 16. vertical ribs; a1, foundation; a2, rammed earth layer; a3, road surface board; a4, mounting plate; a5, a bearing platform; a6, vertical ribs; a7, vertical plates; a8, connecting screw; a9, a triangle body; a10, support plate; a11, a limiting cylinder; a12, spring; a13, a slide bar; a14, connecting rod; a15, push rod; a16, a limiting frame; a17, and pressing and supporting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a steel trestle connecting platform comprises a rock foundation 1 and a bearing platform 2, wherein the bearing platform 2 is fixedly embedded on the rock foundation 1, a mounting plate 3 is fixedly installed on the bearing platform 2, a vertical plate 4 is vertically and fixedly installed on the mounting plate 3, a trestle body 5 is loaded on the right side of the upper surface of the mounting plate 3, a flexible connecting structure is arranged on the vertical plate 4, the vertical plate 4 is connected with the trestle body 5 through the flexible connecting structure, a triangular plate 6 is connected with the joint of the mounting plate 3 and the vertical plate 4, a rammed soil layer 7 is filled on the right side of the vertical plate 4, a road deck 8 is installed on the upper part of the rammed soil layer 7, a plurality of guide posts 9 which are distributed at equal intervals are slidably inserted on the vertical plate 4, a transition plate 10 is fixedly installed at the upper ends of the guide posts 9, the mounting plate 3 is loaded through the bearing platform 2 on the rock foundation 1, the trestle body 5 is loaded through the mounting plate 3, and the damage to the bearing platform 2 caused by the direct action of the trestle body 5 on the bearing platform 2 is avoided, draw landing stage body 5 at flexible connection structure through vertical board 4, carry out the tractive to landing stage body 5 when landing stage body 5 takes place to deform, and then avoid landing stage body 5 excessively to shift and lead to the junction gap too big, and cover the seam department through crossing cab apron 10, the vehicle of being convenient for passes through, and the cab apron 10 is convenient for cross in the cooperation of guide post 9 and cooperate the deformation lifting when landing stage body 5 deforms.
According to the invention, the flexible connection structure comprises connection screws 11, a plurality of connection screws 11 are respectively vertically distributed and transversely inserted on the vertical plate 4 and the trestle body 5, a rubber block 12 is sleeved on each connection screw 11, a steel ring 13 is fixed at the right end of each rubber block 12, a spring 14 is connected onto each steel ring 13, one end of each spring 14 is connected with each steel ring 13, the other end of each spring is connected with the right end of each connection screw 11, the rubber blocks 12 play a role in buffering, each steel ring 13 is used for connecting the springs 14, and the springs 14 are pressed and retracted under the traction of the connection screws 11 to play a role in reverse traction.
According to the invention, the vertical plate 4 is provided with the accommodating groove 15, the accommodating groove 15 corresponds to the connecting screw rod 11 in position, and the cap end at the left end of the connecting screw rod 11 falls in the accommodating groove 15, so that the connecting screw rod 11 is accommodated.
According to the invention, the mounting plate 3 is provided with the vertical ribs 16, the vertical ribs 16 are welded and connected to the lower surface of the mounting plate 3, poured on the bearing platform 2 and penetrate through the bearing platform 2 to extend into the rock foundation 1 below the bearing platform 2, and the connection stability of the mounting plate 3, the bearing platform 2 and the rock foundation 1 is further improved through the vertical ribs 16.
In the invention, the left end of the trestle body 5 is of a plate-shaped structure, the right end of the connecting screw 11 penetrates through the plate-shaped structure, the left end of the rubber block 12 is in contact with the right surface of the plate-shaped structure, and further the rubber block 12 can play a certain buffering role.
The triangular plate 6 in the preferred implementation is replaced by a triangular plate structure, as shown in fig. 3-6, the triangular plate structure comprises a mounting plate a4, a vertical plate a7 and a stabilizing and reinforcing mechanism, the mounting plate a4 is installed inside the foundation a1, the vertical plate a7 is vertically installed on the top end surface of the mounting plate a4, the triangular plate body a9 is installed on the top end surface of the mounting plate a4, one side surface of the triangular plate body a9 is connected with one side surface of the vertical plate a7, the support plate a10 is installed on the other side of the triangular plate body a9, and the stabilizing and reinforcing mechanism is installed in the triangular plate body a 9;
the stabilizing and reinforcing mechanism comprises a limiting cylinder a11, a spring a12, a sliding rod a13 and a connecting rod a14, wherein a limiting cylinder a11 is installed on one side of a supporting plate a10, a spring a12 is connected inside the limiting cylinder a11, a sliding rod a13 is connected to one end of the spring a12, one side of the sliding rod a13 is connected with one side surface of a triangular plate body a9, the connecting rod a14 is installed at the top of the sliding rod a13, a push rod a15 is installed at one end of the connecting rod a14, a limiting frame a16 is installed on one side surface of the supporting plate a10, a support a17 is rotatably installed inside the limiting frame a16, and one end of the push rod a15 is connected with a support a 17; a rammed earth layer a2 is arranged at the top of the foundation a1, a road surface plate a3 is arranged at the top of the rammed earth layer a2, and the triangular plate body a9 is positioned in the rammed earth layer a 2; : the bottom end face of mounting panel a4 installs plummer a5, run through in plummer a5 and install vertical muscle a6, plummer a5 and vertical muscle a6 all are located ground a 1. A plurality of connecting screw rods a8 are horizontally and threadedly mounted on the vertical plate a7, and a plurality of connecting screw rods a8 are uniformly distributed on the vertical plate a 7; the supporting plate a10 is internally provided with a sliding groove, and the push rod a15 is slidably arranged in the sliding groove. One end of the pressure brace a17 is connected with a side face corresponding to the triangle body a9, an installation groove is formed in one side of the vertical plate a7, and the pressure brace a17 is located in the installation groove.
In the embodiment shown in fig. 3-6, the vertical ribs a6 stabilize the bearing platform a5 and the mounting plate a4, at this time, the steel trestle is mounted by the connecting screw a8, when in use, the steel trestle slightly pulls the vertical plate a7 to the inner side, at the moment, the vertical plate a7 slightly deflects to the inner side, the vertical plate of the triangle body a9 is driven to deflect to the inner side, at the moment, the sliding rod a13 is driven to move to one side, simultaneously drives the connecting rod a14, and drives the push rod a15 to move outwards through the connecting rod a14, under the action of the limiting frame a16, the top of the pressing brace a17 is enabled to be close to one side of the vertical plate a7, and the bottom of the pressure support a17 moves to one side close to the triangle board body a9, the triangle board body a9 is supported and reinforced, the stability is improved, in the triangle board structure, the vertical plate can be stabilized through the set triangular plate body and the supporting plate, the connecting strength between the vertical plate and the mounting plate is increased, and the steel trestle is prevented from being structurally broken due to the fact that the vertical plate is shifted outwards when the steel trestle is used; in the triangle plate structure, through the stable strengthening mechanism who sets up, because gravity will vertical board to one side skew when the steel trestle uses, further support the set-square body under the effect that the pressure propped this moment to further increased the stability of vertical board, increased the life of steel trestle and increased the security.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The steel trestle connecting platform comprises a rock foundation (1) and a bearing platform (2), and is characterized in that the bearing platform (2) is fixedly embedded on the rock foundation (1), a mounting plate (3) is fixedly mounted on the bearing platform (2), a vertical plate (4) is vertically and fixedly mounted on the mounting plate (3), a trestle body (5) is borne on the right side of the upper surface of the mounting plate (3), a flexible connecting structure is arranged on the vertical plate (4), the vertical plate (4) is connected with the trestle body (5) through the flexible connecting structure, a triangular plate (6) is connected with the joint of the vertical plate (4) on the mounting plate (3), a rammer layer (7) is filled on the right side of the vertical plate (4), a road deck (8) is mounted on the upper part of the rammer layer (7), a plurality of guide columns (9) which are equidistantly distributed are slidably inserted on the vertical plate (4), and a transition plate (10) is fixedly arranged at the upper end of the guide post (9).
2. The steel trestle connecting platform of claim 1, characterized in that, flexible connection structure includes connecting screw (11), and is a plurality of connecting screw (11) vertical distribution respectively horizontal cartridge is on vertical board (4) and trestle body (5), the cover is equipped with rubber block (12) on connecting screw (11), rubber block (12) right-hand member is fixed with steel ring (13), be connected with spring (14) on steel ring (13), spring (14) one end is connected the other end with steel ring (13) and is connected with connecting screw (11) right-hand member.
3. The steel trestle connecting platform according to claim 2, characterized in that the vertical plate (4) is provided with a receiving groove (15), the receiving groove (15) corresponds to the connecting screw (11), and the cap end of the left end of the connecting screw (11) is located in the receiving groove (15).
4. The steel trestle connection platform of claim 1, wherein vertical ribs (16) are arranged on the mounting plate (3), and the vertical ribs (16) are welded to the lower surface of the mounting plate (3), poured on the bearing platform (2) and penetrate through the bearing platform (2) to extend into the rock foundation (1) below the bearing platform (2).
5. The steel trestle connecting platform according to claim 2, characterized in that the left end of the trestle body (5) is a plate-shaped structure, the right end of the connecting screw (11) passes through the plate-shaped structure, and the left end of the rubber block (12) is in contact with the right surface of the plate-shaped structure.
6. The steel trestle connecting platform according to claim 1, characterized in that a triangular plate (6) is replaced by a triangular plate structure, the triangular plate structure comprises a mounting plate (a4), a vertical plate (a7) and a stabilizing and reinforcing mechanism, a mounting plate (a4) is mounted inside a foundation (a1), a vertical plate (a7) is vertically mounted on the top end surface of the mounting plate (a4), a triangular plate body (a9) is mounted on the top end surface of the mounting plate (a4), one side surface of the triangular plate body (a9) is connected with one side surface of the vertical plate (a7), a support plate (a10) is mounted on the other side of the triangular plate body (a9), and the stabilizing and reinforcing mechanism is mounted in the triangular plate body (a 9);
the stable reinforcing mechanism comprises a limiting cylinder (a11), a spring (a12), a sliding rod (a13) and a connecting rod (a14), wherein a limiting cylinder (a11) is installed on one side of a supporting plate (a10), a spring (a12) is connected to the inside of the limiting cylinder (a11), a sliding rod (a13) is connected to one end of the spring (a12), one side of the sliding rod (a13) is connected with one side of a triangular plate body (a9), a connecting rod (a14) is installed at the top of the sliding rod (a13), a push rod (a15) is installed at one end of the connecting rod (a14), a limiting frame (a16) is installed on one side of the supporting plate (a10), a pressure support (a17) is installed in the limiting frame (a16) in a rotating mode, and a17) is connected to one end of the push rod (a 15); a ramming layer (a2) is arranged on the top of the foundation (a1), a road surface plate (a3) is arranged on the top of the ramming layer (a2), and the triangular plate body (a9) is located in the ramming layer (a 2); : plummer (a5) are installed to the bottom face of mounting panel (a4), run through in plummer (a5) and install vertical muscle (a6), plummer (a5) all are located ground (a1) with vertical muscle (a 6).
7. The steel trestle connecting platform according to claim 6, characterized in that a plurality of connecting screws (a8) are horizontally screwed on the vertical plate (a7), and a plurality of connecting screws (a8) are uniformly distributed on the vertical plate (a 7); the supporting plate (a10) is internally provided with a sliding groove, and the push rod (a15) is slidably arranged in the sliding groove.
8. The steel trestle connecting platform of claim 7, wherein one end of the pressure brace (a17) is connected with one side surface corresponding to the triangle plate body (a9), one side of the vertical plate (a7) is provided with a mounting groove, and the pressure brace (a17) is positioned in the mounting groove.
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| CN202210631475.5A CN114837062B (en) | 2022-06-06 | 2022-06-06 | Steel trestle connecting platform |
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| CN202210631475.5A CN114837062B (en) | 2022-06-06 | 2022-06-06 | Steel trestle connecting platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
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| CN211368349U (en) * | 2019-11-28 | 2020-08-28 | 湖北省路桥集团有限公司 | Steel trestle end of steel pipe pile |
| CN212404805U (en) * | 2020-05-28 | 2021-01-26 | 中铁五局集团机械化工程有限责任公司 | Combined abutment structure for temporary trestle |
| CN212641181U (en) * | 2020-06-16 | 2021-03-02 | 中交二公局第三工程有限公司 | Anti abutment that slides of steel landing stage |
| CN213978546U (en) * | 2020-09-25 | 2021-08-17 | 四川省交通建设集团股份有限公司 | Assembled bridge abutment structure and assembled bridge abutment using same |
| CN112482202A (en) * | 2020-10-27 | 2021-03-12 | 中建三局基础设施建设投资有限公司 | Pull rod type multipurpose steel trestle bridge abutment and construction method thereof |
| CN214573260U (en) * | 2021-04-12 | 2021-11-02 | 中冶建工集团有限公司 | Interim river steel landing stage of striding of construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
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