Bridge floor embedded sleeve positioning device

Abstract

The utility model discloses a bridge floor embedded sleeve positioning device which comprises a sleeve positioning piece used for positioning an embedded sleeve piece, positioning square steel used for limiting the embedded sleeve piece and a top cover bolt connected with the embedded sleeve piece in a screwed mode through threads, the bottom end of the embedded sleeve piece is connected with an embedded steel bar, and a positioning hole is formed in the surface of the positioning square steel. One end of the positioning square steel is provided with a vertical first limiting anti-tilt column; the limiting assembly comprises a drawing plate connected with one end of the positioning square steel in a sliding mode, a second limiting anti-tilt column perpendicular to the drawing plate and a locking bolt penetrating through the drawing plate, and a limiting protruding block is fixedly connected to the surface of the drawing plate; the pre-embedded sleeve part is positioned through designed positioning square steel and top cover bolts, and through designed first limiting anti-tilt columns, second limiting anti-tilt columns and drawing plates, the first limiting anti-tilt columns and the second limiting anti-tilt columns are limited by steel bars, and the placed positioning square steel is prevented from being tilted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pre -buried sleeve positioning device, concretely relates to bridge deck pre -buried sleeve positioning device. BACKGROUND

[0002] In the process of bridge box girder manufacturing, there is a step of prefabricating box girder, one of the box girder prefabrication procedures is girder surface embedded part manufacturing, the girder surface embedded part adopts the method of pre -buried sleeve, is composed of three parts of pre -buried reinforcement, pre -buried sleeve and base connecting reinforcement, the pre -buried sleeve pre -buried standard is not allowed to be higher than girder surface, the top surface of pre -buried sleeve should be lower than girder surface 2mm, in the process of box girder prefabrication, the pre -buried sleeve is positioned in plane by the method of measuring with level and ruler, this method is more complicated and low in efficiency, the plane position accuracy is poor, and the pre -buried position is inaccurate easily.

[0003] When the sleeve is pre -buried, if the pre -buried sleeve is higher than girder surface, the high part can be directly rolled by beam transport vehicle in the process of beam transport, causing sleeve failure, and lower than girder surface, ballastless track base plate construction needs time and effort to search sleeve, low in construction efficiency, and affects the height of connecting reinforcement embedded in base plate, there is no installation positioning design for the positioning of sleeve elevation, the pre -buried sleeve cannot be positioned accurately, the height is ensured to be in the appropriate position, and there is the shortcoming.

[0004] The pre -buried sleeve pre -buried in the prior art does not have the positioning design for limiting the pre -buried sleeve, therefore the bridge deck pre -buried sleeve positioning device is provided. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing bridge deck pre -buried sleeve positioning device to solve the problem of no positioning design for limiting the pre -buried sleeve in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: bridge deck pre -buried sleeve positioning device, including

[0007] The sleeve positioning part for positioning the pre -buried sleeve part includes the positioning square steel for limiting the pre -buried sleeve part, the top cap bolt for being connected with the pre -buried sleeve part by thread rotation, the pre -buried reinforcement is connected to the bottom end of the pre -buried sleeve part, the positioning hole is formed in the surface of the positioning square steel, and the vertical first limiting anti -tilt column is arranged on one end of the positioning square steel;

[0008] The limiting assembly includes the pull -out plate slidably connected with one end of the positioning square steel, the second limiting anti -tilt column perpendicular to the pull -out plate, and the locking bolt penetrating through the pull -out plate, and the limiting protrusion is fixedly connected to the surface of the pull -out plate;

[0009] The shielding assembly includes the positioning shell and the sleeve plate weldedly connected, and the limiting frame is fixedly connected to the inner surface of the positioning shell.

[0010] Preferably, the top cover bolt penetrates the positioning hole, and the center line of the pre-buried sleeve part is on the same vertical axis as the center of the positioning hole.

[0011] Preferably, the second limiting anti-inclination column and the first limiting anti-inclination column are diagonally distributed, the first limiting anti-inclination column and the second limiting anti-inclination column have the same diameter, and the distance between the first limiting anti-inclination column and the second limiting anti-inclination column is the spacing H.

[0012] Preferably, the pull-out plate is provided with a sliding groove c for inserting one end of the positioning square steel, the sliding groove c has a rectangular shape in orthographic projection, the pull-out plate is welded with an integral protruding plate b on the surface, the locking bolt penetrates the protruding plate b, and the surface of the positioning square steel is attached to the surface of the protruding plate b.

[0013] Preferably, the limiting protruding block has a cuboid structure, and the inner surface of the limiting frame is attached to the outer surface of the limiting protruding block.

[0014] Preferably, the positioning shell has a bottom surface of a three-dimensional isosceles trapezoidal table structure, and one end of the sleeve plate is fixedly connected to the inclined surface of the positioning shell.

[0015] Preferably, the sleeve plate has a "U" shaped structure in cross section, the sleeve plate is provided with a sealing plate d at the end away from the positioning shell, and the internal space formed by the positioning shell, the sleeve plate and the sealing plate d is a shielding cavity, and the surface e of the sleeve plate is attached to the surface of the positioning square steel.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. In the utility model, the positioning square steel and the top cover bolt are designed to realize the positioning of the pre-buried sleeve part.

[0018] 2. In the utility model, the first limiting anti-inclination column and the second limiting anti-inclination column and the pull-out plate are designed, so that the first limiting anti-inclination column and the second limiting anti-inclination column are limited by the reinforcing steel bars, and the placed positioning square steel is prevented from being inclined.

[0019] 3. In the utility model, the positioning shell and the sleeve plate 7 are designed to shield the top cover bolt, and the concrete is prevented from affecting the disassembly of the top cover bolt. DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a schematic view of the three-dimensional structure of one end of the positioning square steel of the utility model;

[0022] Figure 3 It is a schematic view of the three-dimensional structure of one end of the positioning square steel of the utility model; Figure 1Structure schematic view of the enlarged middle A part;

[0023] Figure 4 Schematic view of the three-dimensional structure of the positioning shell and the cover plate of the utility model;

[0024] In the figure: 1, pre-buried sleeve; 2, pre-buried steel bar; 3, positioning square steel; 4, top cover bolt; 5, pull-out plate; 6, positioning shell; 7, cover plate; 8, first limited anti-buckling column; 9, second limited anti-buckling column; 10, limited protruding block; 31, positioning hole; 51, locking bolt; 61, limited frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 4The utility model provides a technical scheme: bridge embedded sleeve positioning device, including sleeve positioning spare for positioning embedded sleeve spare 1, including the positioning square steel 3 of definition embedded sleeve spare 1, with the top cap bolt 4 of embedded sleeve spare 1 through thread engagement connection, the bottom end of this embedded sleeve spare 1 is connected with embedded steel bar 2, the surface of this positioning square steel 3 is equipped with the positioning hole 31, one end of this positioning square steel 3 is equipped with the vertical first definition prevent skew column 8, when installing, the embedded sleeve spare 1 of bridge, positioning square steel 3 is attached on the steel bar frame of bridge, the top surface of embedded sleeve spare 1 is attached with positioning square steel 3, top cap bolt 4 is penetrated positioning hole 31, top cap bolt 4 is spun into the inside of embedded sleeve spare 1, under the synergies of positioning square steel 3 and top cap bolt 4, make embedded sleeve spare 1 get fixed, when actual prefabricated bridge, with positioning square steel 3 as reference, can adjust the height of embedded sleeve spare 1, benefit the filling of concrete mortar, the first definition prevent skew column 8 is attached with the steel bar on the steel bar frame;Definition subassembly, including the pull -out plate 5 of one end sliding connection with positioning square steel 3, the second definition prevent skew column 9 of vertical pull -out plate 5, the locking bolt 51 of penetration pull -out plate 5, the surface of this pull -out plate 5 is fixedly connected with definition boss 10, definition boss 10 is welded with pull -out plate 5, the second definition prevent skew column 9 is attached with the steel bar on the steel bar frame, under the synergies of first definition prevent skew column 8 and second definition prevent skew column 9, make first definition prevent skew column 8 and second definition prevent skew column 9 be limited by the steel bar frame, make positioning square steel 3 keep stable that is placed on the steel bar frame, avoid the interference of concrete mortar when concrete mortar filling, positioning square steel 3 is skewed, definition boss 10 plays the role of definition positioning shell 6;Shielding subassembly, including the positioning shell 6 and sleeve plate 7 of welding connection, the inner surface of this positioning shell 6 is fixedly connected with definition frame 61, positioning shell 6 and sleeve plate 7 play the role of shielding positioning square steel 3 and top cap bolt 4, avoid the interference of external concrete mortar to top cap bolt 4, benefit the disassembly of top cap bolt 4.

[0027] In the embodiment, the top cap bolt 4 penetrates the positioning hole 31, and the top cap bolt 4 is connected with the embedded sleeve spare 1, so that the embedded sleeve spare 1 is positioned by the top cap bolt 4 and the positioning square steel 3, the center line of the embedded sleeve spare 1 is on the same vertical axis line as the center of the positioning hole 31, and the embedded sleeve spare 1 and the positioning square steel 3 are accurately positioned.

[0028] In the embodiment, the second definition prevent skew column 9 and the first definition prevent skew column 8 are diagonally distributed, the diameters of the first definition prevent skew column 8 and the second definition prevent skew column 9 are the same, the distance between the first definition prevent skew column 8 and the second definition prevent skew column 9 is the interval H, the interval H can be adjusted according to actual conditions, the positioning square steel 3 is installed on the steel bar frame, and the first definition prevent skew column 8 and the second definition prevent skew column 9 are diagonally distributed and limited by the steel bars on the steel bar frame, so that the positioning square steel 3 is prevented from being skewed.

[0029] In this embodiment, a sliding groove c is provided on the pull-out plate 5 for inserting one end of the positioning square steel 3. The orthographic projection of the sliding groove c is rectangular. The pull-out plate 5 is slidably connected to the positioning square steel 3. The position of the pull-out plate 5 can be changed, which is beneficial to changing the distance between the first limiting anti-tilt post 8 and the second limiting anti-tilt post 9. An integral protrusion b is welded on the surface of the pull-out plate 5. The locking bolt 51 passes through the protrusion b. The surface of the positioning square steel 3 is in contact with the surface of the protrusion b. Under the locking action of the locking bolt 51, the pull-out plate 5 and the positioning square steel 3 remain stable.

[0030] In this embodiment, the limiting protrusion 10 is a cuboid structure, and the inner surface of the limiting frame 61 is in contact with the outer surface of the limiting protrusion 10. When the positioning shell 6 is installed, the limiting frame 61 is fitted on the outside of the limiting protrusion 10, so that the limiting frame 61 and the positioning shell 6 are limited.

[0031] In this embodiment, the positioning shell 6 is a three-dimensional isosceles trapezoidal truncated structure with an open bottom surface. One end of the sleeve plate 7 is fixedly connected to the inclined surface of the positioning shell 6. The positioning shell 6 and the sleeve plate 7 serve to cover the top cover bolt 4.

[0032] In this embodiment, the cross-section of the sleeve plate 7 is a "U" shaped structure. The end of the sleeve plate 7 away from the positioning shell 6 is provided with a sealing plate d. The internal space formed by the positioning shell 6, the sleeve plate 7 and the sealing plate d is a shielding cavity. The surface e of the sleeve plate 7 is in contact with the surface of the positioning square steel 3. There is a gap between the sleeve plate 7 and the positioning square steel 3 that are in contact with each other, which is conducive to shielding the top cover bolt 4.

[0033] Working principle and usage process of this utility model:

[0034] Preparatory work for the pre-embedded sleeve 1 during pre-embedded installation: connect the bottom end of the pre-embedded sleeve 1 to the pre-embedded steel bar 2, and select a positioning square steel bar 3 of appropriate thickness according to the required elevation of the pre-embedded sleeve 1.

[0035] Install the pre-embedded sleeve 1 on the prefabricated steel frame, and first place the positioning square steel 3 in a suitable position;

[0036] The first anti-tilting column 8 is attached to the steel bars on the steel frame, and the second anti-tilting column 9 is attached to the steel bars on the steel frame. Under the synergistic effect of the first anti-tilting column 8 and the second anti-tilting column 9, the first anti-tilting column 8 and the second anti-tilting column 9 are restricted by the steel frame, so as to prevent the positioning square steel 3 from being tilted due to the interference of the concrete mortar when the concrete mortar is filled, and to keep the positioning square steel 3 placed on the steel frame stable.

[0037] The top surface of the pre-embedded sleeve 1 is attached to the positioning square steel 3. The top cover bolt 4 is passed through the positioning hole 31 and screwed into the interior of the pre-embedded sleeve 1. Under the synergistic action of the positioning square steel 3 and the top cover bolt 4, the pre-embedded sleeve 1 is fixed.

[0038] The positioning shell 6 is installed on the surface of the positioning square steel 3, the limiting frame 61 is sleeved on the outer side of the limiting protrusion 10, the positioning shell 6 and the sleeve plate 7 shield the positioning square steel 3 and the cover bolt 4, the cover bolt 4 is prevented from being interfered by external concrete mortar, and the cover bolt 4 is beneficial to disassembly;

[0039] When the concrete is poured, the reserved groove on the leveling machine is aligned with the positioning square steel 3, and the concrete is leveled on the bottom surface of the positioning square steel 3;

[0040] After the concrete is initially cured, the positioning shell 6 and the sleeve plate 7, the cover bolt 4 and the positioning square steel 3 are removed, and the depression flowing down after the positioning square steel 3 is removed is leveled and finished;

[0041] In summary, the application provides a positioning design for limiting the embedded sleeve piece 1, the cover bolt 4 is screwed into the inside of the embedded sleeve piece 1, the embedded sleeve piece 1 is positioned under the cooperation of the positioning square steel 3 and the cover bolt 4, the steel bar limits the first limiting anti-bending column 8 and the second limiting anti-bending column 9 under the cooperation of the first limiting anti-bending column 8 and the second limiting anti-bending column 9, the positioning square steel 3 and the cover bolt 4 are shielded by the positioning shell 6 and the sleeve plate 7 on the outer side of the positioning square steel 3, the positioning square steel 3 and the cover bolt 4 are prevented from being interfered by external concrete mortar, and the cover bolt 4 is beneficial to disassembly.

[0042] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bridge deck pre-embedded sleeve positioning device, characterized in that: include The sleeve positioning component for positioning the embedded sleeve component (1) includes a positioning square steel (3) that limits the embedded sleeve component (1) and a top cover bolt (4) that is threadedly connected to the embedded sleeve component (1). The bottom end of the embedded sleeve component (1) is connected to an embedded steel bar (2). A positioning hole (31) is provided on the surface of the positioning square steel (3). A vertical first limiting anti-tilting post (8) is provided on one end of the positioning square steel (3). The limiting components include a pull-out plate (5) slidably connected to one end of the positioning square steel (3), a second limiting anti-tilting post (9) of the vertical pull-out plate (5), and a locking bolt (51) penetrating the pull-out plate (5). A limiting protrusion (10) is fixedly connected to the surface of the pull-out plate (5). The shielding assembly includes a welded positioning shell (6) and a sleeve (7), the inner surface of which is fixedly connected with a limiting frame (61).

2. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The top cover bolt (4) passes through the positioning hole (31), and the center line of the pre-embedded sleeve (1) and the center of the positioning hole (31) are on the same vertical axis.

3. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The second limiting anti-tilt post (9) and the first limiting anti-tilt post (8) are diagonally distributed. The first limiting anti-tilt post (8) and the second limiting anti-tilt post (9) have the same diameter. The distance between the first limiting anti-tilt post (8) and the second limiting anti-tilt post (9) is the spacing H.

4. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The pull-out plate (5) has a sliding groove c for inserting one end of the positioning square steel (3). The orthographic projection of the sliding groove c is rectangular. An integral protrusion b is welded on the surface of the pull-out plate (5). The locking bolt (51) passes through the protrusion b. The surface of the positioning square steel (3) is in contact with the surface of the protrusion b.

5. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The limiting protrusion (10) has a cuboid structure, and the inner surface of the limiting frame (61) is in contact with the outer surface of the limiting protrusion (10).

6. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The positioning shell (6) is a three-dimensional isosceles trapezoidal truncated structure with an open bottom surface, and one end of the sleeve plate (7) is fixedly connected to the inclined surface of the positioning shell (6).

7. The bridge deck pre-embedded sleeve positioning device according to claim 1, characterized in that: The cross section of the sleeve (7) is a "U" shaped structure. The end of the sleeve (7) away from the positioning shell (6) is provided with a sealing plate d. The internal space formed by the positioning shell (6), the sleeve (7) and the sealing plate d is a shielding cavity. The surface e of the sleeve (7) is in contact with the surface of the positioning square steel (3).

Images